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3057 lines
114 KiB
3057 lines
114 KiB
/* |
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* The simplest mpeg encoder (well, it was the simplest!) |
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* Copyright (c) 2000,2001 Fabrice Bellard |
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* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at> |
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* |
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* 4MV & hq & B-frame encoding stuff by Michael Niedermayer <michaelni@gmx.at> |
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* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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|
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/** |
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* @file |
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* The simplest mpeg encoder (well, it was the simplest!). |
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*/ |
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|
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#include "libavutil/intmath.h" |
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#include "libavutil/imgutils.h" |
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#include "avcodec.h" |
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#include "dsputil.h" |
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#include "internal.h" |
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#include "mpegvideo.h" |
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#include "mjpegenc.h" |
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#include "msmpeg4.h" |
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#include "xvmc_internal.h" |
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#include "thread.h" |
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#include <limits.h> |
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|
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//#undef NDEBUG |
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//#include <assert.h> |
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|
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static void dct_unquantize_mpeg1_intra_c(MpegEncContext *s, |
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DCTELEM *block, int n, int qscale); |
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static void dct_unquantize_mpeg1_inter_c(MpegEncContext *s, |
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DCTELEM *block, int n, int qscale); |
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static void dct_unquantize_mpeg2_intra_c(MpegEncContext *s, |
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DCTELEM *block, int n, int qscale); |
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static void dct_unquantize_mpeg2_intra_bitexact(MpegEncContext *s, |
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DCTELEM *block, int n, int qscale); |
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static void dct_unquantize_mpeg2_inter_c(MpegEncContext *s, |
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DCTELEM *block, int n, int qscale); |
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static void dct_unquantize_h263_intra_c(MpegEncContext *s, |
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DCTELEM *block, int n, int qscale); |
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static void dct_unquantize_h263_inter_c(MpegEncContext *s, |
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DCTELEM *block, int n, int qscale); |
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|
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|
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/* enable all paranoid tests for rounding, overflows, etc... */ |
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//#define PARANOID |
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|
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//#define DEBUG |
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static const uint8_t ff_default_chroma_qscale_table[32] = { |
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// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 |
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0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, |
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16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31 |
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}; |
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|
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const uint8_t ff_mpeg1_dc_scale_table[128] = { |
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// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 |
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8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, |
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8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, |
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8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, |
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8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, |
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8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, |
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8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, |
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8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, |
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8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, |
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}; |
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|
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static const uint8_t mpeg2_dc_scale_table1[128] = { |
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// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 |
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4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, |
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4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, |
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4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, |
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4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, |
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4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, |
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4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, |
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4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, |
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4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, |
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}; |
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|
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static const uint8_t mpeg2_dc_scale_table2[128] = { |
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// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 |
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2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, |
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2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, |
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2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, |
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2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, |
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2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, |
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2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, |
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2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, |
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2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, |
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}; |
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static const uint8_t mpeg2_dc_scale_table3[128] = { |
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// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 |
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
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}; |
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const uint8_t *const ff_mpeg2_dc_scale_table[4] = { |
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ff_mpeg1_dc_scale_table, |
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mpeg2_dc_scale_table1, |
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mpeg2_dc_scale_table2, |
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mpeg2_dc_scale_table3, |
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}; |
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const enum AVPixelFormat ff_pixfmt_list_420[] = { |
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AV_PIX_FMT_YUV420P, |
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AV_PIX_FMT_NONE |
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}; |
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const enum AVPixelFormat ff_hwaccel_pixfmt_list_420[] = { |
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AV_PIX_FMT_DXVA2_VLD, |
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AV_PIX_FMT_VAAPI_VLD, |
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AV_PIX_FMT_VDA_VLD, |
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AV_PIX_FMT_YUV420P, |
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AV_PIX_FMT_NONE |
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}; |
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const uint8_t *avpriv_mpv_find_start_code(const uint8_t *av_restrict p, |
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const uint8_t *end, |
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uint32_t *av_restrict state) |
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{ |
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int i; |
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assert(p <= end); |
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if (p >= end) |
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return end; |
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for (i = 0; i < 3; i++) { |
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uint32_t tmp = *state << 8; |
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*state = tmp + *(p++); |
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if (tmp == 0x100 || p == end) |
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return p; |
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} |
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while (p < end) { |
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if (p[-1] > 1 ) p += 3; |
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else if (p[-2] ) p += 2; |
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else if (p[-3]|(p[-1]-1)) p++; |
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else { |
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p++; |
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break; |
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} |
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} |
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p = FFMIN(p, end) - 4; |
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*state = AV_RB32(p); |
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return p + 4; |
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} |
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|
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/* init common dct for both encoder and decoder */ |
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av_cold int ff_dct_common_init(MpegEncContext *s) |
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{ |
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ff_dsputil_init(&s->dsp, s->avctx); |
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|
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s->dct_unquantize_h263_intra = dct_unquantize_h263_intra_c; |
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s->dct_unquantize_h263_inter = dct_unquantize_h263_inter_c; |
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s->dct_unquantize_mpeg1_intra = dct_unquantize_mpeg1_intra_c; |
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s->dct_unquantize_mpeg1_inter = dct_unquantize_mpeg1_inter_c; |
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s->dct_unquantize_mpeg2_intra = dct_unquantize_mpeg2_intra_c; |
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if (s->flags & CODEC_FLAG_BITEXACT) |
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s->dct_unquantize_mpeg2_intra = dct_unquantize_mpeg2_intra_bitexact; |
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s->dct_unquantize_mpeg2_inter = dct_unquantize_mpeg2_inter_c; |
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#if ARCH_X86 |
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ff_MPV_common_init_x86(s); |
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#elif ARCH_ALPHA |
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ff_MPV_common_init_axp(s); |
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#elif HAVE_MMI |
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ff_MPV_common_init_mmi(s); |
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#elif ARCH_ARM |
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ff_MPV_common_init_arm(s); |
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#elif HAVE_ALTIVEC |
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ff_MPV_common_init_altivec(s); |
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#elif ARCH_BFIN |
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ff_MPV_common_init_bfin(s); |
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#endif |
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|
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/* load & permutate scantables |
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* note: only wmv uses different ones |
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*/ |
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if (s->alternate_scan) { |
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ff_init_scantable(s->dsp.idct_permutation, &s->inter_scantable , ff_alternate_vertical_scan); |
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ff_init_scantable(s->dsp.idct_permutation, &s->intra_scantable , ff_alternate_vertical_scan); |
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} else { |
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ff_init_scantable(s->dsp.idct_permutation, &s->inter_scantable , ff_zigzag_direct); |
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ff_init_scantable(s->dsp.idct_permutation, &s->intra_scantable , ff_zigzag_direct); |
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} |
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ff_init_scantable(s->dsp.idct_permutation, &s->intra_h_scantable, ff_alternate_horizontal_scan); |
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ff_init_scantable(s->dsp.idct_permutation, &s->intra_v_scantable, ff_alternate_vertical_scan); |
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return 0; |
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} |
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void ff_copy_picture(Picture *dst, Picture *src) |
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{ |
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*dst = *src; |
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dst->f.type = FF_BUFFER_TYPE_COPY; |
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} |
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/** |
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* Release a frame buffer |
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*/ |
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static void free_frame_buffer(MpegEncContext *s, Picture *pic) |
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{ |
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/* WM Image / Screen codecs allocate internal buffers with different |
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* dimensions / colorspaces; ignore user-defined callbacks for these. */ |
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if (s->codec_id != AV_CODEC_ID_WMV3IMAGE && |
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s->codec_id != AV_CODEC_ID_VC1IMAGE && |
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s->codec_id != AV_CODEC_ID_MSS2) |
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ff_thread_release_buffer(s->avctx, &pic->f); |
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else |
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avcodec_default_release_buffer(s->avctx, &pic->f); |
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av_freep(&pic->f.hwaccel_picture_private); |
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} |
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/** |
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* Allocate a frame buffer |
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*/ |
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static int alloc_frame_buffer(MpegEncContext *s, Picture *pic) |
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{ |
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int r; |
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|
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if (s->avctx->hwaccel) { |
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assert(!pic->f.hwaccel_picture_private); |
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if (s->avctx->hwaccel->priv_data_size) { |
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pic->f.hwaccel_picture_private = av_mallocz(s->avctx->hwaccel->priv_data_size); |
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if (!pic->f.hwaccel_picture_private) { |
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av_log(s->avctx, AV_LOG_ERROR, "alloc_frame_buffer() failed (hwaccel private data allocation)\n"); |
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return -1; |
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} |
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} |
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} |
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|
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if (s->codec_id != AV_CODEC_ID_WMV3IMAGE && |
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s->codec_id != AV_CODEC_ID_VC1IMAGE && |
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s->codec_id != AV_CODEC_ID_MSS2) |
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r = ff_thread_get_buffer(s->avctx, &pic->f); |
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else |
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r = avcodec_default_get_buffer(s->avctx, &pic->f); |
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|
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if (r < 0 || !pic->f.type || !pic->f.data[0]) { |
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av_log(s->avctx, AV_LOG_ERROR, "get_buffer() failed (%d %d %p)\n", |
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r, pic->f.type, pic->f.data[0]); |
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av_freep(&pic->f.hwaccel_picture_private); |
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return -1; |
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} |
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|
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if (s->linesize && (s->linesize != pic->f.linesize[0] || |
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s->uvlinesize != pic->f.linesize[1])) { |
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av_log(s->avctx, AV_LOG_ERROR, |
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"get_buffer() failed (stride changed)\n"); |
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free_frame_buffer(s, pic); |
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return -1; |
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} |
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|
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if (pic->f.linesize[1] != pic->f.linesize[2]) { |
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av_log(s->avctx, AV_LOG_ERROR, |
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"get_buffer() failed (uv stride mismatch)\n"); |
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free_frame_buffer(s, pic); |
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return -1; |
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} |
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|
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return 0; |
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} |
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|
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/** |
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* Allocate a Picture. |
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* The pixels are allocated/set by calling get_buffer() if shared = 0 |
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*/ |
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int ff_alloc_picture(MpegEncContext *s, Picture *pic, int shared) |
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{ |
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const int big_mb_num = s->mb_stride * (s->mb_height + 1) + 1; |
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|
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// the + 1 is needed so memset(,,stride*height) does not sig11 |
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|
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const int mb_array_size = s->mb_stride * s->mb_height; |
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const int b8_array_size = s->b8_stride * s->mb_height * 2; |
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const int b4_array_size = s->b4_stride * s->mb_height * 4; |
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int i; |
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int r = -1; |
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|
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if (shared) { |
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assert(pic->f.data[0]); |
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assert(pic->f.type == 0 || pic->f.type == FF_BUFFER_TYPE_SHARED); |
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pic->f.type = FF_BUFFER_TYPE_SHARED; |
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} else { |
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assert(!pic->f.data[0]); |
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|
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if (alloc_frame_buffer(s, pic) < 0) |
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return -1; |
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|
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s->linesize = pic->f.linesize[0]; |
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s->uvlinesize = pic->f.linesize[1]; |
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} |
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|
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if (pic->f.qscale_table == NULL) { |
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if (s->encoding) { |
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FF_ALLOCZ_OR_GOTO(s->avctx, pic->mb_var, |
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mb_array_size * sizeof(int16_t), fail) |
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FF_ALLOCZ_OR_GOTO(s->avctx, pic->mc_mb_var, |
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mb_array_size * sizeof(int16_t), fail) |
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FF_ALLOCZ_OR_GOTO(s->avctx, pic->mb_mean, |
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mb_array_size * sizeof(int8_t ), fail) |
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} |
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|
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FF_ALLOCZ_OR_GOTO(s->avctx, pic->f.mbskip_table, |
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mb_array_size * sizeof(uint8_t) + 2, fail)// the + 2 is for the slice end check |
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FF_ALLOCZ_OR_GOTO(s->avctx, pic->qscale_table_base, |
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(big_mb_num + s->mb_stride) * sizeof(uint8_t), |
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fail) |
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FF_ALLOCZ_OR_GOTO(s->avctx, pic->mb_type_base, |
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(big_mb_num + s->mb_stride) * sizeof(uint32_t), |
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fail) |
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pic->f.mb_type = pic->mb_type_base + 2 * s->mb_stride + 1; |
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pic->f.qscale_table = pic->qscale_table_base + 2 * s->mb_stride + 1; |
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if (s->out_format == FMT_H264) { |
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for (i = 0; i < 2; i++) { |
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FF_ALLOCZ_OR_GOTO(s->avctx, pic->motion_val_base[i], |
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2 * (b4_array_size + 4) * sizeof(int16_t), |
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fail) |
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pic->f.motion_val[i] = pic->motion_val_base[i] + 4; |
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FF_ALLOCZ_OR_GOTO(s->avctx, pic->f.ref_index[i], |
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4 * mb_array_size * sizeof(uint8_t), fail) |
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} |
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pic->f.motion_subsample_log2 = 2; |
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} else if (s->out_format == FMT_H263 || s->encoding || |
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(s->avctx->debug & FF_DEBUG_MV) || s->avctx->debug_mv) { |
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for (i = 0; i < 2; i++) { |
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FF_ALLOCZ_OR_GOTO(s->avctx, pic->motion_val_base[i], |
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2 * (b8_array_size + 4) * sizeof(int16_t), |
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fail) |
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pic->f.motion_val[i] = pic->motion_val_base[i] + 4; |
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FF_ALLOCZ_OR_GOTO(s->avctx, pic->f.ref_index[i], |
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4 * mb_array_size * sizeof(uint8_t), fail) |
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} |
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pic->f.motion_subsample_log2 = 3; |
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} |
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if (s->avctx->debug&FF_DEBUG_DCT_COEFF) { |
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FF_ALLOCZ_OR_GOTO(s->avctx, pic->f.dct_coeff, |
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64 * mb_array_size * sizeof(DCTELEM) * 6, fail) |
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} |
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pic->f.qstride = s->mb_stride; |
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FF_ALLOCZ_OR_GOTO(s->avctx, pic->f.pan_scan, |
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1 * sizeof(AVPanScan), fail) |
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} |
|
|
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pic->owner2 = s; |
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|
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return 0; |
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fail: // for the FF_ALLOCZ_OR_GOTO macro |
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if (r >= 0) |
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free_frame_buffer(s, pic); |
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return -1; |
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} |
|
|
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/** |
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* Deallocate a picture. |
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*/ |
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static void free_picture(MpegEncContext *s, Picture *pic) |
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{ |
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int i; |
|
|
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if (pic->f.data[0] && pic->f.type != FF_BUFFER_TYPE_SHARED) { |
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free_frame_buffer(s, pic); |
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} |
|
|
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av_freep(&pic->mb_var); |
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av_freep(&pic->mc_mb_var); |
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av_freep(&pic->mb_mean); |
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av_freep(&pic->f.mbskip_table); |
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av_freep(&pic->qscale_table_base); |
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pic->f.qscale_table = NULL; |
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av_freep(&pic->mb_type_base); |
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pic->f.mb_type = NULL; |
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av_freep(&pic->f.dct_coeff); |
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av_freep(&pic->f.pan_scan); |
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pic->f.mb_type = NULL; |
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for (i = 0; i < 2; i++) { |
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av_freep(&pic->motion_val_base[i]); |
|
av_freep(&pic->f.ref_index[i]); |
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pic->f.motion_val[i] = NULL; |
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} |
|
|
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if (pic->f.type == FF_BUFFER_TYPE_SHARED) { |
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for (i = 0; i < 4; i++) { |
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pic->f.base[i] = |
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pic->f.data[i] = NULL; |
|
} |
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pic->f.type = 0; |
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} |
|
} |
|
|
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static int init_duplicate_context(MpegEncContext *s, MpegEncContext *base) |
|
{ |
|
int y_size = s->b8_stride * (2 * s->mb_height + 1); |
|
int c_size = s->mb_stride * (s->mb_height + 1); |
|
int yc_size = y_size + 2 * c_size; |
|
int i; |
|
|
|
// edge emu needs blocksize + filter length - 1 |
|
// (= 17x17 for halfpel / 21x21 for h264) |
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->edge_emu_buffer, |
|
(s->width + 95) * 2 * 21 * 4, fail); // (width + edge + align)*interlaced*MBsize*tolerance |
|
|
|
// FIXME should be linesize instead of s->width * 2 |
|
// but that is not known before get_buffer() |
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->me.scratchpad, |
|
(s->width + 95) * 4 * 16 * 2 * sizeof(uint8_t), fail) |
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s->me.temp = s->me.scratchpad; |
|
s->rd_scratchpad = s->me.scratchpad; |
|
s->b_scratchpad = s->me.scratchpad; |
|
s->obmc_scratchpad = s->me.scratchpad + 16; |
|
if (s->encoding) { |
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->me.map, |
|
ME_MAP_SIZE * sizeof(uint32_t), fail) |
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->me.score_map, |
|
ME_MAP_SIZE * sizeof(uint32_t), fail) |
|
if (s->avctx->noise_reduction) { |
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->dct_error_sum, |
|
2 * 64 * sizeof(int), fail) |
|
} |
|
} |
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->blocks, 64 * 12 * 2 * sizeof(DCTELEM), fail) |
|
s->block = s->blocks[0]; |
|
|
|
for (i = 0; i < 12; i++) { |
|
s->pblocks[i] = &s->block[i]; |
|
} |
|
|
|
if (s->out_format == FMT_H263) { |
|
/* ac values */ |
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->ac_val_base, |
|
yc_size * sizeof(int16_t) * 16, fail); |
|
s->ac_val[0] = s->ac_val_base + s->b8_stride + 1; |
|
s->ac_val[1] = s->ac_val_base + y_size + s->mb_stride + 1; |
|
s->ac_val[2] = s->ac_val[1] + c_size; |
|
} |
|
|
|
return 0; |
|
fail: |
|
return -1; // free() through ff_MPV_common_end() |
|
} |
|
|
|
static void free_duplicate_context(MpegEncContext *s) |
|
{ |
|
if (s == NULL) |
|
return; |
|
|
|
av_freep(&s->edge_emu_buffer); |
|
av_freep(&s->me.scratchpad); |
|
s->me.temp = |
|
s->rd_scratchpad = |
|
s->b_scratchpad = |
|
s->obmc_scratchpad = NULL; |
|
|
|
av_freep(&s->dct_error_sum); |
|
av_freep(&s->me.map); |
|
av_freep(&s->me.score_map); |
|
av_freep(&s->blocks); |
|
av_freep(&s->ac_val_base); |
|
s->block = NULL; |
|
} |
|
|
|
static void backup_duplicate_context(MpegEncContext *bak, MpegEncContext *src) |
|
{ |
|
#define COPY(a) bak->a = src->a |
|
COPY(edge_emu_buffer); |
|
COPY(me.scratchpad); |
|
COPY(me.temp); |
|
COPY(rd_scratchpad); |
|
COPY(b_scratchpad); |
|
COPY(obmc_scratchpad); |
|
COPY(me.map); |
|
COPY(me.score_map); |
|
COPY(blocks); |
|
COPY(block); |
|
COPY(start_mb_y); |
|
COPY(end_mb_y); |
|
COPY(me.map_generation); |
|
COPY(pb); |
|
COPY(dct_error_sum); |
|
COPY(dct_count[0]); |
|
COPY(dct_count[1]); |
|
COPY(ac_val_base); |
|
COPY(ac_val[0]); |
|
COPY(ac_val[1]); |
|
COPY(ac_val[2]); |
|
#undef COPY |
|
} |
|
|
|
void ff_update_duplicate_context(MpegEncContext *dst, MpegEncContext *src) |
|
{ |
|
MpegEncContext bak; |
|
int i; |
|
// FIXME copy only needed parts |
|
// START_TIMER |
|
backup_duplicate_context(&bak, dst); |
|
memcpy(dst, src, sizeof(MpegEncContext)); |
|
backup_duplicate_context(dst, &bak); |
|
for (i = 0; i < 12; i++) { |
|
dst->pblocks[i] = &dst->block[i]; |
|
} |
|
// STOP_TIMER("update_duplicate_context") |
|
// about 10k cycles / 0.01 sec for 1000frames on 1ghz with 2 threads |
|
} |
|
|
|
int ff_mpeg_update_thread_context(AVCodecContext *dst, |
|
const AVCodecContext *src) |
|
{ |
|
int i; |
|
MpegEncContext *s = dst->priv_data, *s1 = src->priv_data; |
|
|
|
if (dst == src) |
|
return 0; |
|
|
|
// FIXME can parameters change on I-frames? |
|
// in that case dst may need a reinit |
|
if (!s->context_initialized) { |
|
memcpy(s, s1, sizeof(MpegEncContext)); |
|
|
|
s->avctx = dst; |
|
s->bitstream_buffer = NULL; |
|
s->bitstream_buffer_size = s->allocated_bitstream_buffer_size = 0; |
|
|
|
if (s1->context_initialized){ |
|
s->picture_range_start += MAX_PICTURE_COUNT; |
|
s->picture_range_end += MAX_PICTURE_COUNT; |
|
ff_MPV_common_init(s); |
|
} |
|
} |
|
|
|
if (s->height != s1->height || s->width != s1->width || s->context_reinit) { |
|
int err; |
|
s->context_reinit = 0; |
|
s->height = s1->height; |
|
s->width = s1->width; |
|
if ((err = ff_MPV_common_frame_size_change(s)) < 0) |
|
return err; |
|
} |
|
|
|
s->avctx->coded_height = s1->avctx->coded_height; |
|
s->avctx->coded_width = s1->avctx->coded_width; |
|
s->avctx->width = s1->avctx->width; |
|
s->avctx->height = s1->avctx->height; |
|
|
|
s->coded_picture_number = s1->coded_picture_number; |
|
s->picture_number = s1->picture_number; |
|
s->input_picture_number = s1->input_picture_number; |
|
|
|
memcpy(s->picture, s1->picture, s1->picture_count * sizeof(Picture)); |
|
memcpy(&s->last_picture, &s1->last_picture, |
|
(char *) &s1->last_picture_ptr - (char *) &s1->last_picture); |
|
|
|
// reset s->picture[].f.extended_data to s->picture[].f.data |
|
for (i = 0; i < s->picture_count; i++) |
|
s->picture[i].f.extended_data = s->picture[i].f.data; |
|
|
|
s->last_picture_ptr = REBASE_PICTURE(s1->last_picture_ptr, s, s1); |
|
s->current_picture_ptr = REBASE_PICTURE(s1->current_picture_ptr, s, s1); |
|
s->next_picture_ptr = REBASE_PICTURE(s1->next_picture_ptr, s, s1); |
|
|
|
// Error/bug resilience |
|
s->next_p_frame_damaged = s1->next_p_frame_damaged; |
|
s->workaround_bugs = s1->workaround_bugs; |
|
s->padding_bug_score = s1->padding_bug_score; |
|
|
|
// MPEG4 timing info |
|
memcpy(&s->time_increment_bits, &s1->time_increment_bits, |
|
(char *) &s1->shape - (char *) &s1->time_increment_bits); |
|
|
|
// B-frame info |
|
s->max_b_frames = s1->max_b_frames; |
|
s->low_delay = s1->low_delay; |
|
s->dropable = s1->dropable; |
|
|
|
// DivX handling (doesn't work) |
|
s->divx_packed = s1->divx_packed; |
|
|
|
if (s1->bitstream_buffer) { |
|
if (s1->bitstream_buffer_size + |
|
FF_INPUT_BUFFER_PADDING_SIZE > s->allocated_bitstream_buffer_size) |
|
av_fast_malloc(&s->bitstream_buffer, |
|
&s->allocated_bitstream_buffer_size, |
|
s1->allocated_bitstream_buffer_size); |
|
s->bitstream_buffer_size = s1->bitstream_buffer_size; |
|
memcpy(s->bitstream_buffer, s1->bitstream_buffer, |
|
s1->bitstream_buffer_size); |
|
memset(s->bitstream_buffer + s->bitstream_buffer_size, 0, |
|
FF_INPUT_BUFFER_PADDING_SIZE); |
|
} |
|
|
|
// MPEG2/interlacing info |
|
memcpy(&s->progressive_sequence, &s1->progressive_sequence, |
|
(char *) &s1->rtp_mode - (char *) &s1->progressive_sequence); |
|
|
|
if (!s1->first_field) { |
|
s->last_pict_type = s1->pict_type; |
|
if (s1->current_picture_ptr) |
|
s->last_lambda_for[s1->pict_type] = s1->current_picture_ptr->f.quality; |
|
|
|
if (s1->pict_type != AV_PICTURE_TYPE_B) { |
|
s->last_non_b_pict_type = s1->pict_type; |
|
} |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
/** |
|
* Set the given MpegEncContext to common defaults |
|
* (same for encoding and decoding). |
|
* The changed fields will not depend upon the |
|
* prior state of the MpegEncContext. |
|
*/ |
|
void ff_MPV_common_defaults(MpegEncContext *s) |
|
{ |
|
s->y_dc_scale_table = |
|
s->c_dc_scale_table = ff_mpeg1_dc_scale_table; |
|
s->chroma_qscale_table = ff_default_chroma_qscale_table; |
|
s->progressive_frame = 1; |
|
s->progressive_sequence = 1; |
|
s->picture_structure = PICT_FRAME; |
|
|
|
s->coded_picture_number = 0; |
|
s->picture_number = 0; |
|
s->input_picture_number = 0; |
|
|
|
s->picture_in_gop_number = 0; |
|
|
|
s->f_code = 1; |
|
s->b_code = 1; |
|
|
|
s->picture_range_start = 0; |
|
s->picture_range_end = MAX_PICTURE_COUNT; |
|
|
|
s->slice_context_count = 1; |
|
} |
|
|
|
/** |
|
* Set the given MpegEncContext to defaults for decoding. |
|
* the changed fields will not depend upon |
|
* the prior state of the MpegEncContext. |
|
*/ |
|
void ff_MPV_decode_defaults(MpegEncContext *s) |
|
{ |
|
ff_MPV_common_defaults(s); |
|
} |
|
|
|
/** |
|
* Initialize and allocates MpegEncContext fields dependent on the resolution. |
|
*/ |
|
static int init_context_frame(MpegEncContext *s) |
|
{ |
|
int y_size, c_size, yc_size, i, mb_array_size, mv_table_size, x, y; |
|
|
|
s->mb_width = (s->width + 15) / 16; |
|
s->mb_stride = s->mb_width + 1; |
|
s->b8_stride = s->mb_width * 2 + 1; |
|
s->b4_stride = s->mb_width * 4 + 1; |
|
mb_array_size = s->mb_height * s->mb_stride; |
|
mv_table_size = (s->mb_height + 2) * s->mb_stride + 1; |
|
|
|
/* set default edge pos, will be overriden |
|
* in decode_header if needed */ |
|
s->h_edge_pos = s->mb_width * 16; |
|
s->v_edge_pos = s->mb_height * 16; |
|
|
|
s->mb_num = s->mb_width * s->mb_height; |
|
|
|
s->block_wrap[0] = |
|
s->block_wrap[1] = |
|
s->block_wrap[2] = |
|
s->block_wrap[3] = s->b8_stride; |
|
s->block_wrap[4] = |
|
s->block_wrap[5] = s->mb_stride; |
|
|
|
y_size = s->b8_stride * (2 * s->mb_height + 1); |
|
c_size = s->mb_stride * (s->mb_height + 1); |
|
yc_size = y_size + 2 * c_size; |
|
|
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->mb_index2xy, (s->mb_num + 1) * sizeof(int), fail); // error ressilience code looks cleaner with this |
|
for (y = 0; y < s->mb_height; y++) |
|
for (x = 0; x < s->mb_width; x++) |
|
s->mb_index2xy[x + y * s->mb_width] = x + y * s->mb_stride; |
|
|
|
s->mb_index2xy[s->mb_height * s->mb_width] = (s->mb_height - 1) * s->mb_stride + s->mb_width; // FIXME really needed? |
|
|
|
if (s->encoding) { |
|
/* Allocate MV tables */ |
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->p_mv_table_base, mv_table_size * 2 * sizeof(int16_t), fail) |
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->b_forw_mv_table_base, mv_table_size * 2 * sizeof(int16_t), fail) |
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->b_back_mv_table_base, mv_table_size * 2 * sizeof(int16_t), fail) |
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->b_bidir_forw_mv_table_base, mv_table_size * 2 * sizeof(int16_t), fail) |
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->b_bidir_back_mv_table_base, mv_table_size * 2 * sizeof(int16_t), fail) |
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->b_direct_mv_table_base, mv_table_size * 2 * sizeof(int16_t), fail) |
|
s->p_mv_table = s->p_mv_table_base + s->mb_stride + 1; |
|
s->b_forw_mv_table = s->b_forw_mv_table_base + s->mb_stride + 1; |
|
s->b_back_mv_table = s->b_back_mv_table_base + s->mb_stride + 1; |
|
s->b_bidir_forw_mv_table = s->b_bidir_forw_mv_table_base + s->mb_stride + 1; |
|
s->b_bidir_back_mv_table = s->b_bidir_back_mv_table_base + s->mb_stride + 1; |
|
s->b_direct_mv_table = s->b_direct_mv_table_base + s->mb_stride + 1; |
|
|
|
/* Allocate MB type table */ |
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->mb_type, mb_array_size * sizeof(uint16_t), fail) // needed for encoding |
|
|
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->lambda_table, mb_array_size * sizeof(int), fail) |
|
|
|
FF_ALLOC_OR_GOTO(s->avctx, s->cplx_tab, |
|
mb_array_size * sizeof(float), fail); |
|
FF_ALLOC_OR_GOTO(s->avctx, s->bits_tab, |
|
mb_array_size * sizeof(float), fail); |
|
|
|
} |
|
|
|
FF_ALLOC_OR_GOTO(s->avctx, s->er_temp_buffer, |
|
mb_array_size * sizeof(uint8_t), fail); |
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->error_status_table, |
|
mb_array_size * sizeof(uint8_t), fail); |
|
|
|
if (s->codec_id == AV_CODEC_ID_MPEG4 || (s->flags & CODEC_FLAG_INTERLACED_ME)) { |
|
/* interlaced direct mode decoding tables */ |
|
for (i = 0; i < 2; i++) { |
|
int j, k; |
|
for (j = 0; j < 2; j++) { |
|
for (k = 0; k < 2; k++) { |
|
FF_ALLOCZ_OR_GOTO(s->avctx, |
|
s->b_field_mv_table_base[i][j][k], |
|
mv_table_size * 2 * sizeof(int16_t), |
|
fail); |
|
s->b_field_mv_table[i][j][k] = s->b_field_mv_table_base[i][j][k] + |
|
s->mb_stride + 1; |
|
} |
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->b_field_select_table [i][j], mb_array_size * 2 * sizeof(uint8_t), fail) |
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->p_field_mv_table_base[i][j], mv_table_size * 2 * sizeof(int16_t), fail) |
|
s->p_field_mv_table[i][j] = s->p_field_mv_table_base[i][j] + s->mb_stride + 1; |
|
} |
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->p_field_select_table[i], mb_array_size * 2 * sizeof(uint8_t), fail) |
|
} |
|
} |
|
if (s->out_format == FMT_H263) { |
|
/* cbp values */ |
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->coded_block_base, y_size, fail); |
|
s->coded_block = s->coded_block_base + s->b8_stride + 1; |
|
|
|
/* cbp, ac_pred, pred_dir */ |
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->cbp_table , mb_array_size * sizeof(uint8_t), fail); |
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->pred_dir_table, mb_array_size * sizeof(uint8_t), fail); |
|
} |
|
|
|
if (s->h263_pred || s->h263_plus || !s->encoding) { |
|
/* dc values */ |
|
// MN: we need these for error resilience of intra-frames |
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->dc_val_base, yc_size * sizeof(int16_t), fail); |
|
s->dc_val[0] = s->dc_val_base + s->b8_stride + 1; |
|
s->dc_val[1] = s->dc_val_base + y_size + s->mb_stride + 1; |
|
s->dc_val[2] = s->dc_val[1] + c_size; |
|
for (i = 0; i < yc_size; i++) |
|
s->dc_val_base[i] = 1024; |
|
} |
|
|
|
/* which mb is a intra block */ |
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->mbintra_table, mb_array_size, fail); |
|
memset(s->mbintra_table, 1, mb_array_size); |
|
|
|
/* init macroblock skip table */ |
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->mbskip_table, mb_array_size + 2, fail); |
|
// Note the + 1 is for a quicker mpeg4 slice_end detection |
|
|
|
return 0; |
|
fail: |
|
return AVERROR(ENOMEM); |
|
} |
|
|
|
/** |
|
* init common structure for both encoder and decoder. |
|
* this assumes that some variables like width/height are already set |
|
*/ |
|
av_cold int ff_MPV_common_init(MpegEncContext *s) |
|
{ |
|
int i, err; |
|
int nb_slices = (HAVE_THREADS && |
|
s->avctx->active_thread_type & FF_THREAD_SLICE) ? |
|
s->avctx->thread_count : 1; |
|
|
|
if (s->encoding && s->avctx->slices) |
|
nb_slices = s->avctx->slices; |
|
|
|
if (s->codec_id == AV_CODEC_ID_MPEG2VIDEO && !s->progressive_sequence) |
|
s->mb_height = (s->height + 31) / 32 * 2; |
|
else if (s->codec_id != AV_CODEC_ID_H264) |
|
s->mb_height = (s->height + 15) / 16; |
|
|
|
if (s->avctx->pix_fmt == AV_PIX_FMT_NONE) { |
|
av_log(s->avctx, AV_LOG_ERROR, |
|
"decoding to AV_PIX_FMT_NONE is not supported.\n"); |
|
return -1; |
|
} |
|
|
|
if (nb_slices > MAX_THREADS || (nb_slices > s->mb_height && s->mb_height)) { |
|
int max_slices; |
|
if (s->mb_height) |
|
max_slices = FFMIN(MAX_THREADS, s->mb_height); |
|
else |
|
max_slices = MAX_THREADS; |
|
av_log(s->avctx, AV_LOG_WARNING, "too many threads/slices (%d)," |
|
" reducing to %d\n", nb_slices, max_slices); |
|
nb_slices = max_slices; |
|
} |
|
|
|
if ((s->width || s->height) && |
|
av_image_check_size(s->width, s->height, 0, s->avctx)) |
|
return -1; |
|
|
|
ff_dct_common_init(s); |
|
|
|
s->flags = s->avctx->flags; |
|
s->flags2 = s->avctx->flags2; |
|
|
|
/* set chroma shifts */ |
|
avcodec_get_chroma_sub_sample(s->avctx->pix_fmt, &s->chroma_x_shift, |
|
&s->chroma_y_shift); |
|
|
|
/* convert fourcc to upper case */ |
|
s->codec_tag = avpriv_toupper4(s->avctx->codec_tag); |
|
s->stream_codec_tag = avpriv_toupper4(s->avctx->stream_codec_tag); |
|
|
|
s->avctx->coded_frame = &s->current_picture.f; |
|
|
|
if (s->encoding) { |
|
if (s->msmpeg4_version) { |
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->ac_stats, |
|
2 * 2 * (MAX_LEVEL + 1) * |
|
(MAX_RUN + 1) * 2 * sizeof(int), fail); |
|
} |
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->avctx->stats_out, 256, fail); |
|
|
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->q_intra_matrix, 64 * 32 * sizeof(int), fail) |
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->q_chroma_intra_matrix, 64 * 32 * sizeof(int), fail) |
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->q_inter_matrix, 64 * 32 * sizeof(int), fail) |
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->q_intra_matrix16, 64 * 32 * 2 * sizeof(uint16_t), fail) |
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->q_chroma_intra_matrix16, 64 * 32 * 2 * sizeof(uint16_t), fail) |
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->q_inter_matrix16, 64 * 32 * 2 * sizeof(uint16_t), fail) |
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->input_picture, MAX_PICTURE_COUNT * sizeof(Picture *), fail) |
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->reordered_input_picture, MAX_PICTURE_COUNT * sizeof(Picture *), fail) |
|
|
|
if (s->avctx->noise_reduction) { |
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->dct_offset, 2 * 64 * sizeof(uint16_t), fail); |
|
} |
|
} |
|
|
|
s->picture_count = MAX_PICTURE_COUNT * FFMAX(1, s->avctx->thread_count); |
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->picture, |
|
s->picture_count * sizeof(Picture), fail); |
|
for (i = 0; i < s->picture_count; i++) { |
|
avcodec_get_frame_defaults(&s->picture[i].f); |
|
} |
|
|
|
if ((err = init_context_frame(s))) |
|
goto fail; |
|
|
|
s->parse_context.state = -1; |
|
|
|
s->context_initialized = 1; |
|
s->thread_context[0] = s; |
|
|
|
// if (s->width && s->height) { |
|
if (nb_slices > 1) { |
|
for (i = 1; i < nb_slices; i++) { |
|
s->thread_context[i] = av_malloc(sizeof(MpegEncContext)); |
|
memcpy(s->thread_context[i], s, sizeof(MpegEncContext)); |
|
} |
|
|
|
for (i = 0; i < nb_slices; i++) { |
|
if (init_duplicate_context(s->thread_context[i], s) < 0) |
|
goto fail; |
|
s->thread_context[i]->start_mb_y = |
|
(s->mb_height * (i) + nb_slices / 2) / nb_slices; |
|
s->thread_context[i]->end_mb_y = |
|
(s->mb_height * (i + 1) + nb_slices / 2) / nb_slices; |
|
} |
|
} else { |
|
if (init_duplicate_context(s, s) < 0) |
|
goto fail; |
|
s->start_mb_y = 0; |
|
s->end_mb_y = s->mb_height; |
|
} |
|
s->slice_context_count = nb_slices; |
|
// } |
|
|
|
return 0; |
|
fail: |
|
ff_MPV_common_end(s); |
|
return -1; |
|
} |
|
|
|
/** |
|
* Frees and resets MpegEncContext fields depending on the resolution. |
|
* Is used during resolution changes to avoid a full reinitialization of the |
|
* codec. |
|
*/ |
|
static int free_context_frame(MpegEncContext *s) |
|
{ |
|
int i, j, k; |
|
|
|
av_freep(&s->mb_type); |
|
av_freep(&s->p_mv_table_base); |
|
av_freep(&s->b_forw_mv_table_base); |
|
av_freep(&s->b_back_mv_table_base); |
|
av_freep(&s->b_bidir_forw_mv_table_base); |
|
av_freep(&s->b_bidir_back_mv_table_base); |
|
av_freep(&s->b_direct_mv_table_base); |
|
s->p_mv_table = NULL; |
|
s->b_forw_mv_table = NULL; |
|
s->b_back_mv_table = NULL; |
|
s->b_bidir_forw_mv_table = NULL; |
|
s->b_bidir_back_mv_table = NULL; |
|
s->b_direct_mv_table = NULL; |
|
for (i = 0; i < 2; i++) { |
|
for (j = 0; j < 2; j++) { |
|
for (k = 0; k < 2; k++) { |
|
av_freep(&s->b_field_mv_table_base[i][j][k]); |
|
s->b_field_mv_table[i][j][k] = NULL; |
|
} |
|
av_freep(&s->b_field_select_table[i][j]); |
|
av_freep(&s->p_field_mv_table_base[i][j]); |
|
s->p_field_mv_table[i][j] = NULL; |
|
} |
|
av_freep(&s->p_field_select_table[i]); |
|
} |
|
|
|
av_freep(&s->dc_val_base); |
|
av_freep(&s->coded_block_base); |
|
av_freep(&s->mbintra_table); |
|
av_freep(&s->cbp_table); |
|
av_freep(&s->pred_dir_table); |
|
|
|
av_freep(&s->mbskip_table); |
|
|
|
av_freep(&s->error_status_table); |
|
av_freep(&s->er_temp_buffer); |
|
av_freep(&s->mb_index2xy); |
|
av_freep(&s->lambda_table); |
|
|
|
av_freep(&s->cplx_tab); |
|
av_freep(&s->bits_tab); |
|
|
|
s->linesize = s->uvlinesize = 0; |
|
|
|
for (i = 0; i < 3; i++) |
|
av_freep(&s->visualization_buffer[i]); |
|
|
|
if (!(s->avctx->active_thread_type & FF_THREAD_FRAME)) |
|
avcodec_default_free_buffers(s->avctx); |
|
|
|
return 0; |
|
} |
|
|
|
int ff_MPV_common_frame_size_change(MpegEncContext *s) |
|
{ |
|
int i, err = 0; |
|
|
|
if (s->slice_context_count > 1) { |
|
for (i = 0; i < s->slice_context_count; i++) { |
|
free_duplicate_context(s->thread_context[i]); |
|
} |
|
for (i = 1; i < s->slice_context_count; i++) { |
|
av_freep(&s->thread_context[i]); |
|
} |
|
} else |
|
free_duplicate_context(s); |
|
|
|
free_context_frame(s); |
|
|
|
if (s->picture) |
|
for (i = 0; i < s->picture_count; i++) { |
|
s->picture[i].needs_realloc = 1; |
|
} |
|
|
|
s->last_picture_ptr = |
|
s->next_picture_ptr = |
|
s->current_picture_ptr = NULL; |
|
|
|
// init |
|
if (s->codec_id == AV_CODEC_ID_MPEG2VIDEO && !s->progressive_sequence) |
|
s->mb_height = (s->height + 31) / 32 * 2; |
|
else if (s->codec_id != AV_CODEC_ID_H264) |
|
s->mb_height = (s->height + 15) / 16; |
|
|
|
if ((s->width || s->height) && |
|
av_image_check_size(s->width, s->height, 0, s->avctx)) |
|
return AVERROR_INVALIDDATA; |
|
|
|
if ((err = init_context_frame(s))) |
|
goto fail; |
|
|
|
s->thread_context[0] = s; |
|
|
|
if (s->width && s->height) { |
|
int nb_slices = s->slice_context_count; |
|
if (nb_slices > 1) { |
|
for (i = 1; i < nb_slices; i++) { |
|
s->thread_context[i] = av_malloc(sizeof(MpegEncContext)); |
|
memcpy(s->thread_context[i], s, sizeof(MpegEncContext)); |
|
} |
|
|
|
for (i = 0; i < nb_slices; i++) { |
|
if (init_duplicate_context(s->thread_context[i], s) < 0) |
|
goto fail; |
|
s->thread_context[i]->start_mb_y = |
|
(s->mb_height * (i) + nb_slices / 2) / nb_slices; |
|
s->thread_context[i]->end_mb_y = |
|
(s->mb_height * (i + 1) + nb_slices / 2) / nb_slices; |
|
} |
|
} else { |
|
if (init_duplicate_context(s, s) < 0) |
|
goto fail; |
|
s->start_mb_y = 0; |
|
s->end_mb_y = s->mb_height; |
|
} |
|
s->slice_context_count = nb_slices; |
|
} |
|
|
|
return 0; |
|
fail: |
|
ff_MPV_common_end(s); |
|
return err; |
|
} |
|
|
|
/* init common structure for both encoder and decoder */ |
|
void ff_MPV_common_end(MpegEncContext *s) |
|
{ |
|
int i; |
|
|
|
if (s->slice_context_count > 1) { |
|
for (i = 0; i < s->slice_context_count; i++) { |
|
free_duplicate_context(s->thread_context[i]); |
|
} |
|
for (i = 1; i < s->slice_context_count; i++) { |
|
av_freep(&s->thread_context[i]); |
|
} |
|
s->slice_context_count = 1; |
|
} else free_duplicate_context(s); |
|
|
|
av_freep(&s->parse_context.buffer); |
|
s->parse_context.buffer_size = 0; |
|
|
|
av_freep(&s->bitstream_buffer); |
|
s->allocated_bitstream_buffer_size = 0; |
|
|
|
av_freep(&s->avctx->stats_out); |
|
av_freep(&s->ac_stats); |
|
|
|
if(s->q_chroma_intra_matrix != s->q_intra_matrix ) av_freep(&s->q_chroma_intra_matrix); |
|
if(s->q_chroma_intra_matrix16 != s->q_intra_matrix16) av_freep(&s->q_chroma_intra_matrix16); |
|
s->q_chroma_intra_matrix= NULL; |
|
s->q_chroma_intra_matrix16= NULL; |
|
av_freep(&s->q_intra_matrix); |
|
av_freep(&s->q_inter_matrix); |
|
av_freep(&s->q_intra_matrix16); |
|
av_freep(&s->q_inter_matrix16); |
|
av_freep(&s->input_picture); |
|
av_freep(&s->reordered_input_picture); |
|
av_freep(&s->dct_offset); |
|
|
|
if (s->picture && !s->avctx->internal->is_copy) { |
|
for (i = 0; i < s->picture_count; i++) { |
|
free_picture(s, &s->picture[i]); |
|
} |
|
} |
|
av_freep(&s->picture); |
|
|
|
free_context_frame(s); |
|
|
|
s->context_initialized = 0; |
|
s->last_picture_ptr = |
|
s->next_picture_ptr = |
|
s->current_picture_ptr = NULL; |
|
s->linesize = s->uvlinesize = 0; |
|
} |
|
|
|
void ff_init_rl(RLTable *rl, |
|
uint8_t static_store[2][2 * MAX_RUN + MAX_LEVEL + 3]) |
|
{ |
|
int8_t max_level[MAX_RUN + 1], max_run[MAX_LEVEL + 1]; |
|
uint8_t index_run[MAX_RUN + 1]; |
|
int last, run, level, start, end, i; |
|
|
|
/* If table is static, we can quit if rl->max_level[0] is not NULL */ |
|
if (static_store && rl->max_level[0]) |
|
return; |
|
|
|
/* compute max_level[], max_run[] and index_run[] */ |
|
for (last = 0; last < 2; last++) { |
|
if (last == 0) { |
|
start = 0; |
|
end = rl->last; |
|
} else { |
|
start = rl->last; |
|
end = rl->n; |
|
} |
|
|
|
memset(max_level, 0, MAX_RUN + 1); |
|
memset(max_run, 0, MAX_LEVEL + 1); |
|
memset(index_run, rl->n, MAX_RUN + 1); |
|
for (i = start; i < end; i++) { |
|
run = rl->table_run[i]; |
|
level = rl->table_level[i]; |
|
if (index_run[run] == rl->n) |
|
index_run[run] = i; |
|
if (level > max_level[run]) |
|
max_level[run] = level; |
|
if (run > max_run[level]) |
|
max_run[level] = run; |
|
} |
|
if (static_store) |
|
rl->max_level[last] = static_store[last]; |
|
else |
|
rl->max_level[last] = av_malloc(MAX_RUN + 1); |
|
memcpy(rl->max_level[last], max_level, MAX_RUN + 1); |
|
if (static_store) |
|
rl->max_run[last] = static_store[last] + MAX_RUN + 1; |
|
else |
|
rl->max_run[last] = av_malloc(MAX_LEVEL + 1); |
|
memcpy(rl->max_run[last], max_run, MAX_LEVEL + 1); |
|
if (static_store) |
|
rl->index_run[last] = static_store[last] + MAX_RUN + MAX_LEVEL + 2; |
|
else |
|
rl->index_run[last] = av_malloc(MAX_RUN + 1); |
|
memcpy(rl->index_run[last], index_run, MAX_RUN + 1); |
|
} |
|
} |
|
|
|
void ff_init_vlc_rl(RLTable *rl) |
|
{ |
|
int i, q; |
|
|
|
for (q = 0; q < 32; q++) { |
|
int qmul = q * 2; |
|
int qadd = (q - 1) | 1; |
|
|
|
if (q == 0) { |
|
qmul = 1; |
|
qadd = 0; |
|
} |
|
for (i = 0; i < rl->vlc.table_size; i++) { |
|
int code = rl->vlc.table[i][0]; |
|
int len = rl->vlc.table[i][1]; |
|
int level, run; |
|
|
|
if (len == 0) { // illegal code |
|
run = 66; |
|
level = MAX_LEVEL; |
|
} else if (len < 0) { // more bits needed |
|
run = 0; |
|
level = code; |
|
} else { |
|
if (code == rl->n) { // esc |
|
run = 66; |
|
level = 0; |
|
} else { |
|
run = rl->table_run[code] + 1; |
|
level = rl->table_level[code] * qmul + qadd; |
|
if (code >= rl->last) run += 192; |
|
} |
|
} |
|
rl->rl_vlc[q][i].len = len; |
|
rl->rl_vlc[q][i].level = level; |
|
rl->rl_vlc[q][i].run = run; |
|
} |
|
} |
|
} |
|
|
|
void ff_release_unused_pictures(MpegEncContext*s, int remove_current) |
|
{ |
|
int i; |
|
|
|
/* release non reference frames */ |
|
for (i = 0; i < s->picture_count; i++) { |
|
if (s->picture[i].f.data[0] && !s->picture[i].f.reference && |
|
(!s->picture[i].owner2 || s->picture[i].owner2 == s) && |
|
(remove_current || &s->picture[i] != s->current_picture_ptr) |
|
/* && s->picture[i].type!= FF_BUFFER_TYPE_SHARED */) { |
|
free_frame_buffer(s, &s->picture[i]); |
|
} |
|
} |
|
} |
|
|
|
static inline int pic_is_unused(MpegEncContext *s, Picture *pic) |
|
{ |
|
if (pic->f.data[0] == NULL) |
|
return 1; |
|
if (pic->needs_realloc) |
|
if (!pic->owner2 || pic->owner2 == s) |
|
return 1; |
|
return 0; |
|
} |
|
|
|
static int find_unused_picture(MpegEncContext *s, int shared) |
|
{ |
|
int i; |
|
|
|
if (shared) { |
|
for (i = s->picture_range_start; i < s->picture_range_end; i++) { |
|
if (s->picture[i].f.data[0] == NULL && s->picture[i].f.type == 0) |
|
return i; |
|
} |
|
} else { |
|
for (i = s->picture_range_start; i < s->picture_range_end; i++) { |
|
if (pic_is_unused(s, &s->picture[i]) && s->picture[i].f.type != 0) |
|
return i; // FIXME |
|
} |
|
for (i = s->picture_range_start; i < s->picture_range_end; i++) { |
|
if (pic_is_unused(s, &s->picture[i])) |
|
return i; |
|
} |
|
} |
|
|
|
av_log(s->avctx, AV_LOG_FATAL, |
|
"Internal error, picture buffer overflow\n"); |
|
/* We could return -1, but the codec would crash trying to draw into a |
|
* non-existing frame anyway. This is safer than waiting for a random crash. |
|
* Also the return of this is never useful, an encoder must only allocate |
|
* as much as allowed in the specification. This has no relationship to how |
|
* much libavcodec could allocate (and MAX_PICTURE_COUNT is always large |
|
* enough for such valid streams). |
|
* Plus, a decoder has to check stream validity and remove frames if too |
|
* many reference frames are around. Waiting for "OOM" is not correct at |
|
* all. Similarly, missing reference frames have to be replaced by |
|
* interpolated/MC frames, anything else is a bug in the codec ... |
|
*/ |
|
abort(); |
|
return -1; |
|
} |
|
|
|
int ff_find_unused_picture(MpegEncContext *s, int shared) |
|
{ |
|
int ret = find_unused_picture(s, shared); |
|
|
|
if (ret >= 0 && ret < s->picture_range_end) { |
|
if (s->picture[ret].needs_realloc) { |
|
s->picture[ret].needs_realloc = 0; |
|
free_picture(s, &s->picture[ret]); |
|
avcodec_get_frame_defaults(&s->picture[ret].f); |
|
} |
|
} |
|
return ret; |
|
} |
|
|
|
static void update_noise_reduction(MpegEncContext *s) |
|
{ |
|
int intra, i; |
|
|
|
for (intra = 0; intra < 2; intra++) { |
|
if (s->dct_count[intra] > (1 << 16)) { |
|
for (i = 0; i < 64; i++) { |
|
s->dct_error_sum[intra][i] >>= 1; |
|
} |
|
s->dct_count[intra] >>= 1; |
|
} |
|
|
|
for (i = 0; i < 64; i++) { |
|
s->dct_offset[intra][i] = (s->avctx->noise_reduction * |
|
s->dct_count[intra] + |
|
s->dct_error_sum[intra][i] / 2) / |
|
(s->dct_error_sum[intra][i] + 1); |
|
} |
|
} |
|
} |
|
|
|
/** |
|
* generic function for encode/decode called after coding/decoding |
|
* the header and before a frame is coded/decoded. |
|
*/ |
|
int ff_MPV_frame_start(MpegEncContext *s, AVCodecContext *avctx) |
|
{ |
|
int i; |
|
Picture *pic; |
|
s->mb_skipped = 0; |
|
|
|
if (!ff_thread_can_start_frame(avctx)) { |
|
av_log(avctx, AV_LOG_ERROR, "Attempt to start a frame outside SETUP state\n"); |
|
return -1; |
|
} |
|
|
|
/* mark & release old frames */ |
|
if (s->out_format != FMT_H264 || s->codec_id == AV_CODEC_ID_SVQ3) { |
|
if (s->pict_type != AV_PICTURE_TYPE_B && s->last_picture_ptr && |
|
s->last_picture_ptr != s->next_picture_ptr && |
|
s->last_picture_ptr->f.data[0]) { |
|
if (s->last_picture_ptr->owner2 == s) |
|
free_frame_buffer(s, s->last_picture_ptr); |
|
} |
|
|
|
/* release forgotten pictures */ |
|
/* if (mpeg124/h263) */ |
|
if (!s->encoding) { |
|
for (i = 0; i < s->picture_count; i++) { |
|
if (s->picture[i].owner2 == s && s->picture[i].f.data[0] && |
|
&s->picture[i] != s->last_picture_ptr && |
|
&s->picture[i] != s->next_picture_ptr && |
|
s->picture[i].f.reference && !s->picture[i].needs_realloc) { |
|
if (!(avctx->active_thread_type & FF_THREAD_FRAME)) |
|
av_log(avctx, AV_LOG_ERROR, |
|
"releasing zombie picture\n"); |
|
free_frame_buffer(s, &s->picture[i]); |
|
} |
|
} |
|
} |
|
} |
|
|
|
if (!s->encoding) { |
|
ff_release_unused_pictures(s, 1); |
|
|
|
if (s->current_picture_ptr && |
|
s->current_picture_ptr->f.data[0] == NULL) { |
|
// we already have a unused image |
|
// (maybe it was set before reading the header) |
|
pic = s->current_picture_ptr; |
|
} else { |
|
i = ff_find_unused_picture(s, 0); |
|
if (i < 0) { |
|
av_log(s->avctx, AV_LOG_ERROR, "no frame buffer available\n"); |
|
return i; |
|
} |
|
pic = &s->picture[i]; |
|
} |
|
|
|
pic->f.reference = 0; |
|
if (!s->dropable) { |
|
if (s->codec_id == AV_CODEC_ID_H264) |
|
pic->f.reference = s->picture_structure; |
|
else if (s->pict_type != AV_PICTURE_TYPE_B) |
|
pic->f.reference = 3; |
|
} |
|
|
|
pic->f.coded_picture_number = s->coded_picture_number++; |
|
|
|
if (ff_alloc_picture(s, pic, 0) < 0) |
|
return -1; |
|
|
|
s->current_picture_ptr = pic; |
|
// FIXME use only the vars from current_pic |
|
s->current_picture_ptr->f.top_field_first = s->top_field_first; |
|
if (s->codec_id == AV_CODEC_ID_MPEG1VIDEO || |
|
s->codec_id == AV_CODEC_ID_MPEG2VIDEO) { |
|
if (s->picture_structure != PICT_FRAME) |
|
s->current_picture_ptr->f.top_field_first = |
|
(s->picture_structure == PICT_TOP_FIELD) == s->first_field; |
|
} |
|
s->current_picture_ptr->f.interlaced_frame = !s->progressive_frame && |
|
!s->progressive_sequence; |
|
s->current_picture_ptr->field_picture = s->picture_structure != PICT_FRAME; |
|
} |
|
|
|
s->current_picture_ptr->f.pict_type = s->pict_type; |
|
// if (s->flags && CODEC_FLAG_QSCALE) |
|
// s->current_picture_ptr->quality = s->new_picture_ptr->quality; |
|
s->current_picture_ptr->f.key_frame = s->pict_type == AV_PICTURE_TYPE_I; |
|
|
|
ff_copy_picture(&s->current_picture, s->current_picture_ptr); |
|
|
|
if (s->pict_type != AV_PICTURE_TYPE_B) { |
|
s->last_picture_ptr = s->next_picture_ptr; |
|
if (!s->dropable) |
|
s->next_picture_ptr = s->current_picture_ptr; |
|
} |
|
av_dlog(s->avctx, "L%p N%p C%p L%p N%p C%p type:%d drop:%d\n", |
|
s->last_picture_ptr, s->next_picture_ptr,s->current_picture_ptr, |
|
s->last_picture_ptr ? s->last_picture_ptr->f.data[0] : NULL, |
|
s->next_picture_ptr ? s->next_picture_ptr->f.data[0] : NULL, |
|
s->current_picture_ptr ? s->current_picture_ptr->f.data[0] : NULL, |
|
s->pict_type, s->dropable); |
|
|
|
if (s->codec_id != AV_CODEC_ID_H264) { |
|
if ((s->last_picture_ptr == NULL || |
|
s->last_picture_ptr->f.data[0] == NULL) && |
|
(s->pict_type != AV_PICTURE_TYPE_I || |
|
s->picture_structure != PICT_FRAME)) { |
|
if (s->pict_type != AV_PICTURE_TYPE_I) |
|
av_log(avctx, AV_LOG_ERROR, |
|
"warning: first frame is no keyframe\n"); |
|
else if (s->picture_structure != PICT_FRAME) |
|
av_log(avctx, AV_LOG_INFO, |
|
"allocate dummy last picture for field based first keyframe\n"); |
|
|
|
/* Allocate a dummy frame */ |
|
i = ff_find_unused_picture(s, 0); |
|
if (i < 0) { |
|
av_log(s->avctx, AV_LOG_ERROR, "no frame buffer available\n"); |
|
return i; |
|
} |
|
s->last_picture_ptr = &s->picture[i]; |
|
s->last_picture_ptr->f.key_frame = 0; |
|
if (ff_alloc_picture(s, s->last_picture_ptr, 0) < 0) { |
|
s->last_picture_ptr = NULL; |
|
return -1; |
|
} |
|
|
|
if(s->codec_id == AV_CODEC_ID_FLV1 || s->codec_id == AV_CODEC_ID_H263){ |
|
for(i=0; i<avctx->height; i++) |
|
memset(s->last_picture_ptr->f.data[0] + s->last_picture_ptr->f.linesize[0]*i, 16, avctx->width); |
|
} |
|
|
|
ff_thread_report_progress(&s->last_picture_ptr->f, INT_MAX, 0); |
|
ff_thread_report_progress(&s->last_picture_ptr->f, INT_MAX, 1); |
|
s->last_picture_ptr->f.reference = 3; |
|
} |
|
if ((s->next_picture_ptr == NULL || |
|
s->next_picture_ptr->f.data[0] == NULL) && |
|
s->pict_type == AV_PICTURE_TYPE_B) { |
|
/* Allocate a dummy frame */ |
|
i = ff_find_unused_picture(s, 0); |
|
if (i < 0) { |
|
av_log(s->avctx, AV_LOG_ERROR, "no frame buffer available\n"); |
|
return i; |
|
} |
|
s->next_picture_ptr = &s->picture[i]; |
|
s->next_picture_ptr->f.key_frame = 0; |
|
if (ff_alloc_picture(s, s->next_picture_ptr, 0) < 0) { |
|
s->next_picture_ptr = NULL; |
|
return -1; |
|
} |
|
ff_thread_report_progress(&s->next_picture_ptr->f, INT_MAX, 0); |
|
ff_thread_report_progress(&s->next_picture_ptr->f, INT_MAX, 1); |
|
s->next_picture_ptr->f.reference = 3; |
|
} |
|
} |
|
|
|
if (s->last_picture_ptr) |
|
ff_copy_picture(&s->last_picture, s->last_picture_ptr); |
|
if (s->next_picture_ptr) |
|
ff_copy_picture(&s->next_picture, s->next_picture_ptr); |
|
|
|
if (HAVE_THREADS && (avctx->active_thread_type & FF_THREAD_FRAME) && |
|
(s->out_format != FMT_H264 || s->codec_id == AV_CODEC_ID_SVQ3)) { |
|
if (s->next_picture_ptr) |
|
s->next_picture_ptr->owner2 = s; |
|
if (s->last_picture_ptr) |
|
s->last_picture_ptr->owner2 = s; |
|
} |
|
|
|
assert(s->pict_type == AV_PICTURE_TYPE_I || (s->last_picture_ptr && |
|
s->last_picture_ptr->f.data[0])); |
|
|
|
if (s->picture_structure!= PICT_FRAME && s->out_format != FMT_H264) { |
|
int i; |
|
for (i = 0; i < 4; i++) { |
|
if (s->picture_structure == PICT_BOTTOM_FIELD) { |
|
s->current_picture.f.data[i] += |
|
s->current_picture.f.linesize[i]; |
|
} |
|
s->current_picture.f.linesize[i] *= 2; |
|
s->last_picture.f.linesize[i] *= 2; |
|
s->next_picture.f.linesize[i] *= 2; |
|
} |
|
} |
|
|
|
s->err_recognition = avctx->err_recognition; |
|
|
|
/* set dequantizer, we can't do it during init as |
|
* it might change for mpeg4 and we can't do it in the header |
|
* decode as init is not called for mpeg4 there yet */ |
|
if (s->mpeg_quant || s->codec_id == AV_CODEC_ID_MPEG2VIDEO) { |
|
s->dct_unquantize_intra = s->dct_unquantize_mpeg2_intra; |
|
s->dct_unquantize_inter = s->dct_unquantize_mpeg2_inter; |
|
} else if (s->out_format == FMT_H263 || s->out_format == FMT_H261) { |
|
s->dct_unquantize_intra = s->dct_unquantize_h263_intra; |
|
s->dct_unquantize_inter = s->dct_unquantize_h263_inter; |
|
} else { |
|
s->dct_unquantize_intra = s->dct_unquantize_mpeg1_intra; |
|
s->dct_unquantize_inter = s->dct_unquantize_mpeg1_inter; |
|
} |
|
|
|
if (s->dct_error_sum) { |
|
assert(s->avctx->noise_reduction && s->encoding); |
|
update_noise_reduction(s); |
|
} |
|
|
|
if (CONFIG_MPEG_XVMC_DECODER && s->avctx->xvmc_acceleration) |
|
return ff_xvmc_field_start(s, avctx); |
|
|
|
return 0; |
|
} |
|
|
|
/* generic function for encode/decode called after a |
|
* frame has been coded/decoded. */ |
|
void ff_MPV_frame_end(MpegEncContext *s) |
|
{ |
|
int i; |
|
/* redraw edges for the frame if decoding didn't complete */ |
|
// just to make sure that all data is rendered. |
|
if (CONFIG_MPEG_XVMC_DECODER && s->avctx->xvmc_acceleration) { |
|
ff_xvmc_field_end(s); |
|
} else if((s->error_count || s->encoding || !(s->avctx->codec->capabilities&CODEC_CAP_DRAW_HORIZ_BAND)) && |
|
!s->avctx->hwaccel && |
|
!(s->avctx->codec->capabilities & CODEC_CAP_HWACCEL_VDPAU) && |
|
s->unrestricted_mv && |
|
s->current_picture.f.reference && |
|
!s->intra_only && |
|
!(s->flags & CODEC_FLAG_EMU_EDGE) && |
|
!s->avctx->lowres |
|
) { |
|
int hshift = av_pix_fmt_descriptors[s->avctx->pix_fmt].log2_chroma_w; |
|
int vshift = av_pix_fmt_descriptors[s->avctx->pix_fmt].log2_chroma_h; |
|
s->dsp.draw_edges(s->current_picture.f.data[0], s->current_picture.f.linesize[0], |
|
s->h_edge_pos, s->v_edge_pos, |
|
EDGE_WIDTH, EDGE_WIDTH, |
|
EDGE_TOP | EDGE_BOTTOM); |
|
s->dsp.draw_edges(s->current_picture.f.data[1], s->current_picture.f.linesize[1], |
|
s->h_edge_pos >> hshift, s->v_edge_pos >> vshift, |
|
EDGE_WIDTH >> hshift, EDGE_WIDTH >> vshift, |
|
EDGE_TOP | EDGE_BOTTOM); |
|
s->dsp.draw_edges(s->current_picture.f.data[2], s->current_picture.f.linesize[2], |
|
s->h_edge_pos >> hshift, s->v_edge_pos >> vshift, |
|
EDGE_WIDTH >> hshift, EDGE_WIDTH >> vshift, |
|
EDGE_TOP | EDGE_BOTTOM); |
|
} |
|
|
|
emms_c(); |
|
|
|
s->last_pict_type = s->pict_type; |
|
s->last_lambda_for [s->pict_type] = s->current_picture_ptr->f.quality; |
|
if (s->pict_type!= AV_PICTURE_TYPE_B) { |
|
s->last_non_b_pict_type = s->pict_type; |
|
} |
|
#if 0 |
|
/* copy back current_picture variables */ |
|
for (i = 0; i < MAX_PICTURE_COUNT; i++) { |
|
if (s->picture[i].f.data[0] == s->current_picture.f.data[0]) { |
|
s->picture[i] = s->current_picture; |
|
break; |
|
} |
|
} |
|
assert(i < MAX_PICTURE_COUNT); |
|
#endif |
|
|
|
if (s->encoding) { |
|
/* release non-reference frames */ |
|
for (i = 0; i < s->picture_count; i++) { |
|
if (s->picture[i].f.data[0] && !s->picture[i].f.reference |
|
/* && s->picture[i].type != FF_BUFFER_TYPE_SHARED */) { |
|
free_frame_buffer(s, &s->picture[i]); |
|
} |
|
} |
|
} |
|
// clear copies, to avoid confusion |
|
#if 0 |
|
memset(&s->last_picture, 0, sizeof(Picture)); |
|
memset(&s->next_picture, 0, sizeof(Picture)); |
|
memset(&s->current_picture, 0, sizeof(Picture)); |
|
#endif |
|
s->avctx->coded_frame = &s->current_picture_ptr->f; |
|
|
|
if (s->codec_id != AV_CODEC_ID_H264 && s->current_picture.f.reference) { |
|
ff_thread_report_progress(&s->current_picture_ptr->f, INT_MAX, 0); |
|
} |
|
} |
|
|
|
/** |
|
* Draw a line from (ex, ey) -> (sx, sy). |
|
* @param w width of the image |
|
* @param h height of the image |
|
* @param stride stride/linesize of the image |
|
* @param color color of the arrow |
|
*/ |
|
static void draw_line(uint8_t *buf, int sx, int sy, int ex, int ey, |
|
int w, int h, int stride, int color) |
|
{ |
|
int x, y, fr, f; |
|
|
|
sx = av_clip(sx, 0, w - 1); |
|
sy = av_clip(sy, 0, h - 1); |
|
ex = av_clip(ex, 0, w - 1); |
|
ey = av_clip(ey, 0, h - 1); |
|
|
|
buf[sy * stride + sx] += color; |
|
|
|
if (FFABS(ex - sx) > FFABS(ey - sy)) { |
|
if (sx > ex) { |
|
FFSWAP(int, sx, ex); |
|
FFSWAP(int, sy, ey); |
|
} |
|
buf += sx + sy * stride; |
|
ex -= sx; |
|
f = ((ey - sy) << 16) / ex; |
|
for(x= 0; x <= ex; x++){ |
|
y = (x * f) >> 16; |
|
fr = (x * f) & 0xFFFF; |
|
buf[y * stride + x] += (color * (0x10000 - fr)) >> 16; |
|
if(fr) buf[(y + 1) * stride + x] += (color * fr ) >> 16; |
|
} |
|
} else { |
|
if (sy > ey) { |
|
FFSWAP(int, sx, ex); |
|
FFSWAP(int, sy, ey); |
|
} |
|
buf += sx + sy * stride; |
|
ey -= sy; |
|
if (ey) |
|
f = ((ex - sx) << 16) / ey; |
|
else |
|
f = 0; |
|
for(y= 0; y <= ey; y++){ |
|
x = (y*f) >> 16; |
|
fr = (y*f) & 0xFFFF; |
|
buf[y * stride + x] += (color * (0x10000 - fr)) >> 16; |
|
if(fr) buf[y * stride + x + 1] += (color * fr ) >> 16; |
|
} |
|
} |
|
} |
|
|
|
/** |
|
* Draw an arrow from (ex, ey) -> (sx, sy). |
|
* @param w width of the image |
|
* @param h height of the image |
|
* @param stride stride/linesize of the image |
|
* @param color color of the arrow |
|
*/ |
|
static void draw_arrow(uint8_t *buf, int sx, int sy, int ex, |
|
int ey, int w, int h, int stride, int color) |
|
{ |
|
int dx,dy; |
|
|
|
sx = av_clip(sx, -100, w + 100); |
|
sy = av_clip(sy, -100, h + 100); |
|
ex = av_clip(ex, -100, w + 100); |
|
ey = av_clip(ey, -100, h + 100); |
|
|
|
dx = ex - sx; |
|
dy = ey - sy; |
|
|
|
if (dx * dx + dy * dy > 3 * 3) { |
|
int rx = dx + dy; |
|
int ry = -dx + dy; |
|
int length = ff_sqrt((rx * rx + ry * ry) << 8); |
|
|
|
// FIXME subpixel accuracy |
|
rx = ROUNDED_DIV(rx * 3 << 4, length); |
|
ry = ROUNDED_DIV(ry * 3 << 4, length); |
|
|
|
draw_line(buf, sx, sy, sx + rx, sy + ry, w, h, stride, color); |
|
draw_line(buf, sx, sy, sx - ry, sy + rx, w, h, stride, color); |
|
} |
|
draw_line(buf, sx, sy, ex, ey, w, h, stride, color); |
|
} |
|
|
|
/** |
|
* Print debugging info for the given picture. |
|
*/ |
|
void ff_print_debug_info(MpegEncContext *s, AVFrame *pict) |
|
{ |
|
if ( s->avctx->hwaccel || !pict || !pict->mb_type |
|
|| (s->avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU)) |
|
return; |
|
|
|
|
|
if (s->avctx->debug & (FF_DEBUG_SKIP | FF_DEBUG_QP | FF_DEBUG_MB_TYPE)) { |
|
int x,y; |
|
|
|
av_log(s->avctx, AV_LOG_DEBUG, "New frame, type: %c\n", |
|
av_get_picture_type_char(pict->pict_type)); |
|
for (y = 0; y < s->mb_height; y++) { |
|
for (x = 0; x < s->mb_width; x++) { |
|
if (s->avctx->debug & FF_DEBUG_SKIP) { |
|
int count = s->mbskip_table[x + y * s->mb_stride]; |
|
if (count > 9) |
|
count = 9; |
|
av_log(s->avctx, AV_LOG_DEBUG, "%1d", count); |
|
} |
|
if (s->avctx->debug & FF_DEBUG_QP) { |
|
av_log(s->avctx, AV_LOG_DEBUG, "%2d", |
|
pict->qscale_table[x + y * s->mb_stride]); |
|
} |
|
if (s->avctx->debug & FF_DEBUG_MB_TYPE) { |
|
int mb_type = pict->mb_type[x + y * s->mb_stride]; |
|
// Type & MV direction |
|
if (IS_PCM(mb_type)) |
|
av_log(s->avctx, AV_LOG_DEBUG, "P"); |
|
else if (IS_INTRA(mb_type) && IS_ACPRED(mb_type)) |
|
av_log(s->avctx, AV_LOG_DEBUG, "A"); |
|
else if (IS_INTRA4x4(mb_type)) |
|
av_log(s->avctx, AV_LOG_DEBUG, "i"); |
|
else if (IS_INTRA16x16(mb_type)) |
|
av_log(s->avctx, AV_LOG_DEBUG, "I"); |
|
else if (IS_DIRECT(mb_type) && IS_SKIP(mb_type)) |
|
av_log(s->avctx, AV_LOG_DEBUG, "d"); |
|
else if (IS_DIRECT(mb_type)) |
|
av_log(s->avctx, AV_LOG_DEBUG, "D"); |
|
else if (IS_GMC(mb_type) && IS_SKIP(mb_type)) |
|
av_log(s->avctx, AV_LOG_DEBUG, "g"); |
|
else if (IS_GMC(mb_type)) |
|
av_log(s->avctx, AV_LOG_DEBUG, "G"); |
|
else if (IS_SKIP(mb_type)) |
|
av_log(s->avctx, AV_LOG_DEBUG, "S"); |
|
else if (!USES_LIST(mb_type, 1)) |
|
av_log(s->avctx, AV_LOG_DEBUG, ">"); |
|
else if (!USES_LIST(mb_type, 0)) |
|
av_log(s->avctx, AV_LOG_DEBUG, "<"); |
|
else { |
|
av_assert2(USES_LIST(mb_type, 0) && USES_LIST(mb_type, 1)); |
|
av_log(s->avctx, AV_LOG_DEBUG, "X"); |
|
} |
|
|
|
// segmentation |
|
if (IS_8X8(mb_type)) |
|
av_log(s->avctx, AV_LOG_DEBUG, "+"); |
|
else if (IS_16X8(mb_type)) |
|
av_log(s->avctx, AV_LOG_DEBUG, "-"); |
|
else if (IS_8X16(mb_type)) |
|
av_log(s->avctx, AV_LOG_DEBUG, "|"); |
|
else if (IS_INTRA(mb_type) || IS_16X16(mb_type)) |
|
av_log(s->avctx, AV_LOG_DEBUG, " "); |
|
else |
|
av_log(s->avctx, AV_LOG_DEBUG, "?"); |
|
|
|
|
|
if (IS_INTERLACED(mb_type)) |
|
av_log(s->avctx, AV_LOG_DEBUG, "="); |
|
else |
|
av_log(s->avctx, AV_LOG_DEBUG, " "); |
|
} |
|
} |
|
av_log(s->avctx, AV_LOG_DEBUG, "\n"); |
|
} |
|
} |
|
|
|
if ((s->avctx->debug & (FF_DEBUG_VIS_QP | FF_DEBUG_VIS_MB_TYPE)) || |
|
(s->avctx->debug_mv)) { |
|
const int shift = 1 + s->quarter_sample; |
|
int mb_y; |
|
uint8_t *ptr; |
|
int i; |
|
int h_chroma_shift, v_chroma_shift, block_height; |
|
const int width = s->avctx->width; |
|
const int height = s->avctx->height; |
|
const int mv_sample_log2 = 4 - pict->motion_subsample_log2; |
|
const int mv_stride = (s->mb_width << mv_sample_log2) + |
|
(s->codec_id == AV_CODEC_ID_H264 ? 0 : 1); |
|
s->low_delay = 0; // needed to see the vectors without trashing the buffers |
|
|
|
avcodec_get_chroma_sub_sample(s->avctx->pix_fmt, |
|
&h_chroma_shift, &v_chroma_shift); |
|
for (i = 0; i < 3; i++) { |
|
size_t size= (i == 0) ? pict->linesize[i] * FFALIGN(height, 16): |
|
pict->linesize[i] * FFALIGN(height, 16) >> v_chroma_shift; |
|
s->visualization_buffer[i]= av_realloc(s->visualization_buffer[i], size); |
|
memcpy(s->visualization_buffer[i], pict->data[i], size); |
|
pict->data[i] = s->visualization_buffer[i]; |
|
} |
|
pict->type = FF_BUFFER_TYPE_COPY; |
|
pict->opaque= NULL; |
|
ptr = pict->data[0]; |
|
block_height = 16 >> v_chroma_shift; |
|
|
|
for (mb_y = 0; mb_y < s->mb_height; mb_y++) { |
|
int mb_x; |
|
for (mb_x = 0; mb_x < s->mb_width; mb_x++) { |
|
const int mb_index = mb_x + mb_y * s->mb_stride; |
|
if ((s->avctx->debug_mv) && pict->motion_val) { |
|
int type; |
|
for (type = 0; type < 3; type++) { |
|
int direction = 0; |
|
switch (type) { |
|
case 0: |
|
if ((!(s->avctx->debug_mv & FF_DEBUG_VIS_MV_P_FOR)) || |
|
(pict->pict_type!= AV_PICTURE_TYPE_P)) |
|
continue; |
|
direction = 0; |
|
break; |
|
case 1: |
|
if ((!(s->avctx->debug_mv & FF_DEBUG_VIS_MV_B_FOR)) || |
|
(pict->pict_type!= AV_PICTURE_TYPE_B)) |
|
continue; |
|
direction = 0; |
|
break; |
|
case 2: |
|
if ((!(s->avctx->debug_mv & FF_DEBUG_VIS_MV_B_BACK)) || |
|
(pict->pict_type!= AV_PICTURE_TYPE_B)) |
|
continue; |
|
direction = 1; |
|
break; |
|
} |
|
if (!USES_LIST(pict->mb_type[mb_index], direction)) |
|
continue; |
|
|
|
if (IS_8X8(pict->mb_type[mb_index])) { |
|
int i; |
|
for (i = 0; i < 4; i++) { |
|
int sx = mb_x * 16 + 4 + 8 * (i & 1); |
|
int sy = mb_y * 16 + 4 + 8 * (i >> 1); |
|
int xy = (mb_x * 2 + (i & 1) + |
|
(mb_y * 2 + (i >> 1)) * mv_stride) << (mv_sample_log2 - 1); |
|
int mx = (pict->motion_val[direction][xy][0] >> shift) + sx; |
|
int my = (pict->motion_val[direction][xy][1] >> shift) + sy; |
|
draw_arrow(ptr, sx, sy, mx, my, width, |
|
height, s->linesize, 100); |
|
} |
|
} else if (IS_16X8(pict->mb_type[mb_index])) { |
|
int i; |
|
for (i = 0; i < 2; i++) { |
|
int sx = mb_x * 16 + 8; |
|
int sy = mb_y * 16 + 4 + 8 * i; |
|
int xy = (mb_x * 2 + (mb_y * 2 + i) * mv_stride) << (mv_sample_log2 - 1); |
|
int mx = (pict->motion_val[direction][xy][0] >> shift); |
|
int my = (pict->motion_val[direction][xy][1] >> shift); |
|
|
|
if (IS_INTERLACED(pict->mb_type[mb_index])) |
|
my *= 2; |
|
|
|
draw_arrow(ptr, sx, sy, mx + sx, my + sy, width, |
|
height, s->linesize, 100); |
|
} |
|
} else if (IS_8X16(pict->mb_type[mb_index])) { |
|
int i; |
|
for (i = 0; i < 2; i++) { |
|
int sx = mb_x * 16 + 4 + 8 * i; |
|
int sy = mb_y * 16 + 8; |
|
int xy = (mb_x * 2 + i + mb_y * 2 * mv_stride) << (mv_sample_log2 - 1); |
|
int mx = pict->motion_val[direction][xy][0] >> shift; |
|
int my = pict->motion_val[direction][xy][1] >> shift; |
|
|
|
if (IS_INTERLACED(pict->mb_type[mb_index])) |
|
my *= 2; |
|
|
|
draw_arrow(ptr, sx, sy, mx + sx, my + sy, width, |
|
height, s->linesize, 100); |
|
} |
|
} else { |
|
int sx= mb_x * 16 + 8; |
|
int sy= mb_y * 16 + 8; |
|
int xy= (mb_x + mb_y * mv_stride) << mv_sample_log2; |
|
int mx= (pict->motion_val[direction][xy][0]>>shift) + sx; |
|
int my= (pict->motion_val[direction][xy][1]>>shift) + sy; |
|
draw_arrow(ptr, sx, sy, mx, my, width, height, s->linesize, 100); |
|
} |
|
} |
|
} |
|
if ((s->avctx->debug & FF_DEBUG_VIS_QP) && pict->motion_val) { |
|
uint64_t c = (pict->qscale_table[mb_index] * 128 / 31) * |
|
0x0101010101010101ULL; |
|
int y; |
|
for (y = 0; y < block_height; y++) { |
|
*(uint64_t *)(pict->data[1] + 8 * mb_x + |
|
(block_height * mb_y + y) * |
|
pict->linesize[1]) = c; |
|
*(uint64_t *)(pict->data[2] + 8 * mb_x + |
|
(block_height * mb_y + y) * |
|
pict->linesize[2]) = c; |
|
} |
|
} |
|
if ((s->avctx->debug & FF_DEBUG_VIS_MB_TYPE) && |
|
pict->motion_val) { |
|
int mb_type = pict->mb_type[mb_index]; |
|
uint64_t u,v; |
|
int y; |
|
#define COLOR(theta, r) \ |
|
u = (int)(128 + r * cos(theta * 3.141592 / 180)); \ |
|
v = (int)(128 + r * sin(theta * 3.141592 / 180)); |
|
|
|
|
|
u = v = 128; |
|
if (IS_PCM(mb_type)) { |
|
COLOR(120, 48) |
|
} else if ((IS_INTRA(mb_type) && IS_ACPRED(mb_type)) || |
|
IS_INTRA16x16(mb_type)) { |
|
COLOR(30, 48) |
|
} else if (IS_INTRA4x4(mb_type)) { |
|
COLOR(90, 48) |
|
} else if (IS_DIRECT(mb_type) && IS_SKIP(mb_type)) { |
|
// COLOR(120, 48) |
|
} else if (IS_DIRECT(mb_type)) { |
|
COLOR(150, 48) |
|
} else if (IS_GMC(mb_type) && IS_SKIP(mb_type)) { |
|
COLOR(170, 48) |
|
} else if (IS_GMC(mb_type)) { |
|
COLOR(190, 48) |
|
} else if (IS_SKIP(mb_type)) { |
|
// COLOR(180, 48) |
|
} else if (!USES_LIST(mb_type, 1)) { |
|
COLOR(240, 48) |
|
} else if (!USES_LIST(mb_type, 0)) { |
|
COLOR(0, 48) |
|
} else { |
|
av_assert2(USES_LIST(mb_type, 0) && USES_LIST(mb_type, 1)); |
|
COLOR(300,48) |
|
} |
|
|
|
u *= 0x0101010101010101ULL; |
|
v *= 0x0101010101010101ULL; |
|
for (y = 0; y < block_height; y++) { |
|
*(uint64_t *)(pict->data[1] + 8 * mb_x + |
|
(block_height * mb_y + y) * pict->linesize[1]) = u; |
|
*(uint64_t *)(pict->data[2] + 8 * mb_x + |
|
(block_height * mb_y + y) * pict->linesize[2]) = v; |
|
} |
|
|
|
// segmentation |
|
if (IS_8X8(mb_type) || IS_16X8(mb_type)) { |
|
*(uint64_t *)(pict->data[0] + 16 * mb_x + 0 + |
|
(16 * mb_y + 8) * pict->linesize[0]) ^= 0x8080808080808080ULL; |
|
*(uint64_t *)(pict->data[0] + 16 * mb_x + 8 + |
|
(16 * mb_y + 8) * pict->linesize[0]) ^= 0x8080808080808080ULL; |
|
} |
|
if (IS_8X8(mb_type) || IS_8X16(mb_type)) { |
|
for (y = 0; y < 16; y++) |
|
pict->data[0][16 * mb_x + 8 + (16 * mb_y + y) * |
|
pict->linesize[0]] ^= 0x80; |
|
} |
|
if (IS_8X8(mb_type) && mv_sample_log2 >= 2) { |
|
int dm = 1 << (mv_sample_log2 - 2); |
|
for (i = 0; i < 4; i++) { |
|
int sx = mb_x * 16 + 8 * (i & 1); |
|
int sy = mb_y * 16 + 8 * (i >> 1); |
|
int xy = (mb_x * 2 + (i & 1) + |
|
(mb_y * 2 + (i >> 1)) * mv_stride) << (mv_sample_log2 - 1); |
|
// FIXME bidir |
|
int32_t *mv = (int32_t *) &pict->motion_val[0][xy]; |
|
if (mv[0] != mv[dm] || |
|
mv[dm * mv_stride] != mv[dm * (mv_stride + 1)]) |
|
for (y = 0; y < 8; y++) |
|
pict->data[0][sx + 4 + (sy + y) * pict->linesize[0]] ^= 0x80; |
|
if (mv[0] != mv[dm * mv_stride] || mv[dm] != mv[dm * (mv_stride + 1)]) |
|
*(uint64_t *)(pict->data[0] + sx + (sy + 4) * |
|
pict->linesize[0]) ^= 0x8080808080808080ULL; |
|
} |
|
} |
|
|
|
if (IS_INTERLACED(mb_type) && |
|
s->codec_id == AV_CODEC_ID_H264) { |
|
// hmm |
|
} |
|
} |
|
s->mbskip_table[mb_index] = 0; |
|
} |
|
} |
|
} |
|
} |
|
|
|
static inline int hpel_motion_lowres(MpegEncContext *s, |
|
uint8_t *dest, uint8_t *src, |
|
int field_based, int field_select, |
|
int src_x, int src_y, |
|
int width, int height, int stride, |
|
int h_edge_pos, int v_edge_pos, |
|
int w, int h, h264_chroma_mc_func *pix_op, |
|
int motion_x, int motion_y) |
|
{ |
|
const int lowres = s->avctx->lowres; |
|
const int op_index = FFMIN(lowres, 2); |
|
const int s_mask = (2 << lowres) - 1; |
|
int emu = 0; |
|
int sx, sy; |
|
|
|
if (s->quarter_sample) { |
|
motion_x /= 2; |
|
motion_y /= 2; |
|
} |
|
|
|
sx = motion_x & s_mask; |
|
sy = motion_y & s_mask; |
|
src_x += motion_x >> lowres + 1; |
|
src_y += motion_y >> lowres + 1; |
|
|
|
src += src_y * stride + src_x; |
|
|
|
if ((unsigned)src_x > FFMAX( h_edge_pos - (!!sx) - w, 0) || |
|
(unsigned)src_y > FFMAX((v_edge_pos >> field_based) - (!!sy) - h, 0)) { |
|
s->dsp.emulated_edge_mc(s->edge_emu_buffer, src, s->linesize, w + 1, |
|
(h + 1) << field_based, src_x, |
|
src_y << field_based, |
|
h_edge_pos, |
|
v_edge_pos); |
|
src = s->edge_emu_buffer; |
|
emu = 1; |
|
} |
|
|
|
sx = (sx << 2) >> lowres; |
|
sy = (sy << 2) >> lowres; |
|
if (field_select) |
|
src += s->linesize; |
|
pix_op[op_index](dest, src, stride, h, sx, sy); |
|
return emu; |
|
} |
|
|
|
/* apply one mpeg motion vector to the three components */ |
|
static av_always_inline void mpeg_motion_lowres(MpegEncContext *s, |
|
uint8_t *dest_y, |
|
uint8_t *dest_cb, |
|
uint8_t *dest_cr, |
|
int field_based, |
|
int bottom_field, |
|
int field_select, |
|
uint8_t **ref_picture, |
|
h264_chroma_mc_func *pix_op, |
|
int motion_x, int motion_y, |
|
int h, int mb_y) |
|
{ |
|
uint8_t *ptr_y, *ptr_cb, *ptr_cr; |
|
int mx, my, src_x, src_y, uvsrc_x, uvsrc_y, uvlinesize, linesize, sx, sy, |
|
uvsx, uvsy; |
|
const int lowres = s->avctx->lowres; |
|
const int op_index = FFMIN(lowres-1+s->chroma_x_shift, 2); |
|
const int block_s = 8>>lowres; |
|
const int s_mask = (2 << lowres) - 1; |
|
const int h_edge_pos = s->h_edge_pos >> lowres; |
|
const int v_edge_pos = s->v_edge_pos >> lowres; |
|
linesize = s->current_picture.f.linesize[0] << field_based; |
|
uvlinesize = s->current_picture.f.linesize[1] << field_based; |
|
|
|
// FIXME obviously not perfect but qpel will not work in lowres anyway |
|
if (s->quarter_sample) { |
|
motion_x /= 2; |
|
motion_y /= 2; |
|
} |
|
|
|
if(field_based){ |
|
motion_y += (bottom_field - field_select)*((1 << lowres)-1); |
|
} |
|
|
|
sx = motion_x & s_mask; |
|
sy = motion_y & s_mask; |
|
src_x = s->mb_x * 2 * block_s + (motion_x >> lowres + 1); |
|
src_y = (mb_y * 2 * block_s >> field_based) + (motion_y >> lowres + 1); |
|
|
|
if (s->out_format == FMT_H263) { |
|
uvsx = ((motion_x >> 1) & s_mask) | (sx & 1); |
|
uvsy = ((motion_y >> 1) & s_mask) | (sy & 1); |
|
uvsrc_x = src_x >> 1; |
|
uvsrc_y = src_y >> 1; |
|
} else if (s->out_format == FMT_H261) { |
|
// even chroma mv's are full pel in H261 |
|
mx = motion_x / 4; |
|
my = motion_y / 4; |
|
uvsx = (2 * mx) & s_mask; |
|
uvsy = (2 * my) & s_mask; |
|
uvsrc_x = s->mb_x * block_s + (mx >> lowres); |
|
uvsrc_y = mb_y * block_s + (my >> lowres); |
|
} else { |
|
if(s->chroma_y_shift){ |
|
mx = motion_x / 2; |
|
my = motion_y / 2; |
|
uvsx = mx & s_mask; |
|
uvsy = my & s_mask; |
|
uvsrc_x = s->mb_x * block_s + (mx >> lowres + 1); |
|
uvsrc_y = (mb_y * block_s >> field_based) + (my >> lowres + 1); |
|
} else { |
|
if(s->chroma_x_shift){ |
|
//Chroma422 |
|
mx = motion_x / 2; |
|
uvsx = mx & s_mask; |
|
uvsy = motion_y & s_mask; |
|
uvsrc_y = src_y; |
|
uvsrc_x = s->mb_x*block_s + (mx >> (lowres+1)); |
|
} else { |
|
//Chroma444 |
|
uvsx = motion_x & s_mask; |
|
uvsy = motion_y & s_mask; |
|
uvsrc_x = src_x; |
|
uvsrc_y = src_y; |
|
} |
|
} |
|
} |
|
|
|
ptr_y = ref_picture[0] + src_y * linesize + src_x; |
|
ptr_cb = ref_picture[1] + uvsrc_y * uvlinesize + uvsrc_x; |
|
ptr_cr = ref_picture[2] + uvsrc_y * uvlinesize + uvsrc_x; |
|
|
|
if ((unsigned) src_x > FFMAX( h_edge_pos - (!!sx) - 2 * block_s, 0) || |
|
(unsigned) src_y > FFMAX((v_edge_pos >> field_based) - (!!sy) - h, 0)) { |
|
s->dsp.emulated_edge_mc(s->edge_emu_buffer, ptr_y, |
|
s->linesize, 17, 17 + field_based, |
|
src_x, src_y << field_based, h_edge_pos, |
|
v_edge_pos); |
|
ptr_y = s->edge_emu_buffer; |
|
if (!CONFIG_GRAY || !(s->flags & CODEC_FLAG_GRAY)) { |
|
uint8_t *uvbuf = s->edge_emu_buffer + 18 * s->linesize; |
|
s->dsp.emulated_edge_mc(uvbuf , ptr_cb, s->uvlinesize, 9, |
|
9 + field_based, |
|
uvsrc_x, uvsrc_y << field_based, |
|
h_edge_pos >> 1, v_edge_pos >> 1); |
|
s->dsp.emulated_edge_mc(uvbuf + 16, ptr_cr, s->uvlinesize, 9, |
|
9 + field_based, |
|
uvsrc_x, uvsrc_y << field_based, |
|
h_edge_pos >> 1, v_edge_pos >> 1); |
|
ptr_cb = uvbuf; |
|
ptr_cr = uvbuf + 16; |
|
} |
|
} |
|
|
|
// FIXME use this for field pix too instead of the obnoxious hack which changes picture.f.data |
|
if (bottom_field) { |
|
dest_y += s->linesize; |
|
dest_cb += s->uvlinesize; |
|
dest_cr += s->uvlinesize; |
|
} |
|
|
|
if (field_select) { |
|
ptr_y += s->linesize; |
|
ptr_cb += s->uvlinesize; |
|
ptr_cr += s->uvlinesize; |
|
} |
|
|
|
sx = (sx << 2) >> lowres; |
|
sy = (sy << 2) >> lowres; |
|
pix_op[lowres - 1](dest_y, ptr_y, linesize, h, sx, sy); |
|
|
|
if (!CONFIG_GRAY || !(s->flags & CODEC_FLAG_GRAY)) { |
|
uvsx = (uvsx << 2) >> lowres; |
|
uvsy = (uvsy << 2) >> lowres; |
|
if (h >> s->chroma_y_shift) { |
|
pix_op[op_index](dest_cb, ptr_cb, uvlinesize, h >> s->chroma_y_shift, uvsx, uvsy); |
|
pix_op[op_index](dest_cr, ptr_cr, uvlinesize, h >> s->chroma_y_shift, uvsx, uvsy); |
|
} |
|
} |
|
// FIXME h261 lowres loop filter |
|
} |
|
|
|
static inline void chroma_4mv_motion_lowres(MpegEncContext *s, |
|
uint8_t *dest_cb, uint8_t *dest_cr, |
|
uint8_t **ref_picture, |
|
h264_chroma_mc_func * pix_op, |
|
int mx, int my) |
|
{ |
|
const int lowres = s->avctx->lowres; |
|
const int op_index = FFMIN(lowres, 2); |
|
const int block_s = 8 >> lowres; |
|
const int s_mask = (2 << lowres) - 1; |
|
const int h_edge_pos = s->h_edge_pos >> lowres + 1; |
|
const int v_edge_pos = s->v_edge_pos >> lowres + 1; |
|
int emu = 0, src_x, src_y, offset, sx, sy; |
|
uint8_t *ptr; |
|
|
|
if (s->quarter_sample) { |
|
mx /= 2; |
|
my /= 2; |
|
} |
|
|
|
/* In case of 8X8, we construct a single chroma motion vector |
|
with a special rounding */ |
|
mx = ff_h263_round_chroma(mx); |
|
my = ff_h263_round_chroma(my); |
|
|
|
sx = mx & s_mask; |
|
sy = my & s_mask; |
|
src_x = s->mb_x * block_s + (mx >> lowres + 1); |
|
src_y = s->mb_y * block_s + (my >> lowres + 1); |
|
|
|
offset = src_y * s->uvlinesize + src_x; |
|
ptr = ref_picture[1] + offset; |
|
if (s->flags & CODEC_FLAG_EMU_EDGE) { |
|
if ((unsigned) src_x > FFMAX(h_edge_pos - (!!sx) - block_s, 0) || |
|
(unsigned) src_y > FFMAX(v_edge_pos - (!!sy) - block_s, 0)) { |
|
s->dsp.emulated_edge_mc(s->edge_emu_buffer, ptr, s->uvlinesize, |
|
9, 9, src_x, src_y, h_edge_pos, v_edge_pos); |
|
ptr = s->edge_emu_buffer; |
|
emu = 1; |
|
} |
|
} |
|
sx = (sx << 2) >> lowres; |
|
sy = (sy << 2) >> lowres; |
|
pix_op[op_index](dest_cb, ptr, s->uvlinesize, block_s, sx, sy); |
|
|
|
ptr = ref_picture[2] + offset; |
|
if (emu) { |
|
s->dsp.emulated_edge_mc(s->edge_emu_buffer, ptr, s->uvlinesize, 9, 9, |
|
src_x, src_y, h_edge_pos, v_edge_pos); |
|
ptr = s->edge_emu_buffer; |
|
} |
|
pix_op[op_index](dest_cr, ptr, s->uvlinesize, block_s, sx, sy); |
|
} |
|
|
|
/** |
|
* motion compensation of a single macroblock |
|
* @param s context |
|
* @param dest_y luma destination pointer |
|
* @param dest_cb chroma cb/u destination pointer |
|
* @param dest_cr chroma cr/v destination pointer |
|
* @param dir direction (0->forward, 1->backward) |
|
* @param ref_picture array[3] of pointers to the 3 planes of the reference picture |
|
* @param pix_op halfpel motion compensation function (average or put normally) |
|
* the motion vectors are taken from s->mv and the MV type from s->mv_type |
|
*/ |
|
static inline void MPV_motion_lowres(MpegEncContext *s, |
|
uint8_t *dest_y, uint8_t *dest_cb, |
|
uint8_t *dest_cr, |
|
int dir, uint8_t **ref_picture, |
|
h264_chroma_mc_func *pix_op) |
|
{ |
|
int mx, my; |
|
int mb_x, mb_y, i; |
|
const int lowres = s->avctx->lowres; |
|
const int block_s = 8 >>lowres; |
|
|
|
mb_x = s->mb_x; |
|
mb_y = s->mb_y; |
|
|
|
switch (s->mv_type) { |
|
case MV_TYPE_16X16: |
|
mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr, |
|
0, 0, 0, |
|
ref_picture, pix_op, |
|
s->mv[dir][0][0], s->mv[dir][0][1], |
|
2 * block_s, mb_y); |
|
break; |
|
case MV_TYPE_8X8: |
|
mx = 0; |
|
my = 0; |
|
for (i = 0; i < 4; i++) { |
|
hpel_motion_lowres(s, dest_y + ((i & 1) + (i >> 1) * |
|
s->linesize) * block_s, |
|
ref_picture[0], 0, 0, |
|
(2 * mb_x + (i & 1)) * block_s, |
|
(2 * mb_y + (i >> 1)) * block_s, |
|
s->width, s->height, s->linesize, |
|
s->h_edge_pos >> lowres, s->v_edge_pos >> lowres, |
|
block_s, block_s, pix_op, |
|
s->mv[dir][i][0], s->mv[dir][i][1]); |
|
|
|
mx += s->mv[dir][i][0]; |
|
my += s->mv[dir][i][1]; |
|
} |
|
|
|
if (!CONFIG_GRAY || !(s->flags & CODEC_FLAG_GRAY)) |
|
chroma_4mv_motion_lowres(s, dest_cb, dest_cr, ref_picture, |
|
pix_op, mx, my); |
|
break; |
|
case MV_TYPE_FIELD: |
|
if (s->picture_structure == PICT_FRAME) { |
|
/* top field */ |
|
mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr, |
|
1, 0, s->field_select[dir][0], |
|
ref_picture, pix_op, |
|
s->mv[dir][0][0], s->mv[dir][0][1], |
|
block_s, mb_y); |
|
/* bottom field */ |
|
mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr, |
|
1, 1, s->field_select[dir][1], |
|
ref_picture, pix_op, |
|
s->mv[dir][1][0], s->mv[dir][1][1], |
|
block_s, mb_y); |
|
} else { |
|
if (s->picture_structure != s->field_select[dir][0] + 1 && |
|
s->pict_type != AV_PICTURE_TYPE_B && !s->first_field) { |
|
ref_picture = s->current_picture_ptr->f.data; |
|
|
|
} |
|
mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr, |
|
0, 0, s->field_select[dir][0], |
|
ref_picture, pix_op, |
|
s->mv[dir][0][0], |
|
s->mv[dir][0][1], 2 * block_s, mb_y >> 1); |
|
} |
|
break; |
|
case MV_TYPE_16X8: |
|
for (i = 0; i < 2; i++) { |
|
uint8_t **ref2picture; |
|
|
|
if (s->picture_structure == s->field_select[dir][i] + 1 || |
|
s->pict_type == AV_PICTURE_TYPE_B || s->first_field) { |
|
ref2picture = ref_picture; |
|
} else { |
|
ref2picture = s->current_picture_ptr->f.data; |
|
} |
|
|
|
mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr, |
|
0, 0, s->field_select[dir][i], |
|
ref2picture, pix_op, |
|
s->mv[dir][i][0], s->mv[dir][i][1] + |
|
2 * block_s * i, block_s, mb_y >> 1); |
|
|
|
dest_y += 2 * block_s * s->linesize; |
|
dest_cb += (2 * block_s >> s->chroma_y_shift) * s->uvlinesize; |
|
dest_cr += (2 * block_s >> s->chroma_y_shift) * s->uvlinesize; |
|
} |
|
break; |
|
case MV_TYPE_DMV: |
|
if (s->picture_structure == PICT_FRAME) { |
|
for (i = 0; i < 2; i++) { |
|
int j; |
|
for (j = 0; j < 2; j++) { |
|
mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr, |
|
1, j, j ^ i, |
|
ref_picture, pix_op, |
|
s->mv[dir][2 * i + j][0], |
|
s->mv[dir][2 * i + j][1], |
|
block_s, mb_y); |
|
} |
|
pix_op = s->dsp.avg_h264_chroma_pixels_tab; |
|
} |
|
} else { |
|
for (i = 0; i < 2; i++) { |
|
mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr, |
|
0, 0, s->picture_structure != i + 1, |
|
ref_picture, pix_op, |
|
s->mv[dir][2 * i][0],s->mv[dir][2 * i][1], |
|
2 * block_s, mb_y >> 1); |
|
|
|
// after put we make avg of the same block |
|
pix_op = s->dsp.avg_h264_chroma_pixels_tab; |
|
|
|
// opposite parity is always in the same |
|
// frame if this is second field |
|
if (!s->first_field) { |
|
ref_picture = s->current_picture_ptr->f.data; |
|
} |
|
} |
|
} |
|
break; |
|
default: |
|
av_assert2(0); |
|
} |
|
} |
|
|
|
/** |
|
* find the lowest MB row referenced in the MVs |
|
*/ |
|
int ff_MPV_lowest_referenced_row(MpegEncContext *s, int dir) |
|
{ |
|
int my_max = INT_MIN, my_min = INT_MAX, qpel_shift = !s->quarter_sample; |
|
int my, off, i, mvs; |
|
|
|
if (s->picture_structure != PICT_FRAME) goto unhandled; |
|
|
|
switch (s->mv_type) { |
|
case MV_TYPE_16X16: |
|
mvs = 1; |
|
break; |
|
case MV_TYPE_16X8: |
|
mvs = 2; |
|
break; |
|
case MV_TYPE_8X8: |
|
mvs = 4; |
|
break; |
|
default: |
|
goto unhandled; |
|
} |
|
|
|
for (i = 0; i < mvs; i++) { |
|
my = s->mv[dir][i][1]<<qpel_shift; |
|
my_max = FFMAX(my_max, my); |
|
my_min = FFMIN(my_min, my); |
|
} |
|
|
|
off = (FFMAX(-my_min, my_max) + 63) >> 6; |
|
|
|
return FFMIN(FFMAX(s->mb_y + off, 0), s->mb_height-1); |
|
unhandled: |
|
return s->mb_height-1; |
|
} |
|
|
|
/* put block[] to dest[] */ |
|
static inline void put_dct(MpegEncContext *s, |
|
DCTELEM *block, int i, uint8_t *dest, int line_size, int qscale) |
|
{ |
|
s->dct_unquantize_intra(s, block, i, qscale); |
|
s->dsp.idct_put (dest, line_size, block); |
|
} |
|
|
|
/* add block[] to dest[] */ |
|
static inline void add_dct(MpegEncContext *s, |
|
DCTELEM *block, int i, uint8_t *dest, int line_size) |
|
{ |
|
if (s->block_last_index[i] >= 0) { |
|
s->dsp.idct_add (dest, line_size, block); |
|
} |
|
} |
|
|
|
static inline void add_dequant_dct(MpegEncContext *s, |
|
DCTELEM *block, int i, uint8_t *dest, int line_size, int qscale) |
|
{ |
|
if (s->block_last_index[i] >= 0) { |
|
s->dct_unquantize_inter(s, block, i, qscale); |
|
|
|
s->dsp.idct_add (dest, line_size, block); |
|
} |
|
} |
|
|
|
/** |
|
* Clean dc, ac, coded_block for the current non-intra MB. |
|
*/ |
|
void ff_clean_intra_table_entries(MpegEncContext *s) |
|
{ |
|
int wrap = s->b8_stride; |
|
int xy = s->block_index[0]; |
|
|
|
s->dc_val[0][xy ] = |
|
s->dc_val[0][xy + 1 ] = |
|
s->dc_val[0][xy + wrap] = |
|
s->dc_val[0][xy + 1 + wrap] = 1024; |
|
/* ac pred */ |
|
memset(s->ac_val[0][xy ], 0, 32 * sizeof(int16_t)); |
|
memset(s->ac_val[0][xy + wrap], 0, 32 * sizeof(int16_t)); |
|
if (s->msmpeg4_version>=3) { |
|
s->coded_block[xy ] = |
|
s->coded_block[xy + 1 ] = |
|
s->coded_block[xy + wrap] = |
|
s->coded_block[xy + 1 + wrap] = 0; |
|
} |
|
/* chroma */ |
|
wrap = s->mb_stride; |
|
xy = s->mb_x + s->mb_y * wrap; |
|
s->dc_val[1][xy] = |
|
s->dc_val[2][xy] = 1024; |
|
/* ac pred */ |
|
memset(s->ac_val[1][xy], 0, 16 * sizeof(int16_t)); |
|
memset(s->ac_val[2][xy], 0, 16 * sizeof(int16_t)); |
|
|
|
s->mbintra_table[xy]= 0; |
|
} |
|
|
|
/* generic function called after a macroblock has been parsed by the |
|
decoder or after it has been encoded by the encoder. |
|
|
|
Important variables used: |
|
s->mb_intra : true if intra macroblock |
|
s->mv_dir : motion vector direction |
|
s->mv_type : motion vector type |
|
s->mv : motion vector |
|
s->interlaced_dct : true if interlaced dct used (mpeg2) |
|
*/ |
|
static av_always_inline |
|
void MPV_decode_mb_internal(MpegEncContext *s, DCTELEM block[12][64], |
|
int lowres_flag, int is_mpeg12) |
|
{ |
|
const int mb_xy = s->mb_y * s->mb_stride + s->mb_x; |
|
if(CONFIG_MPEG_XVMC_DECODER && s->avctx->xvmc_acceleration){ |
|
ff_xvmc_decode_mb(s);//xvmc uses pblocks |
|
return; |
|
} |
|
|
|
if(s->avctx->debug&FF_DEBUG_DCT_COEFF) { |
|
/* save DCT coefficients */ |
|
int i,j; |
|
DCTELEM *dct = &s->current_picture.f.dct_coeff[mb_xy * 64 * 6]; |
|
av_log(s->avctx, AV_LOG_DEBUG, "DCT coeffs of MB at %dx%d:\n", s->mb_x, s->mb_y); |
|
for(i=0; i<6; i++){ |
|
for(j=0; j<64; j++){ |
|
*dct++ = block[i][s->dsp.idct_permutation[j]]; |
|
av_log(s->avctx, AV_LOG_DEBUG, "%5d", dct[-1]); |
|
} |
|
av_log(s->avctx, AV_LOG_DEBUG, "\n"); |
|
} |
|
} |
|
|
|
s->current_picture.f.qscale_table[mb_xy] = s->qscale; |
|
|
|
/* update DC predictors for P macroblocks */ |
|
if (!s->mb_intra) { |
|
if (!is_mpeg12 && (s->h263_pred || s->h263_aic)) { |
|
if(s->mbintra_table[mb_xy]) |
|
ff_clean_intra_table_entries(s); |
|
} else { |
|
s->last_dc[0] = |
|
s->last_dc[1] = |
|
s->last_dc[2] = 128 << s->intra_dc_precision; |
|
} |
|
} |
|
else if (!is_mpeg12 && (s->h263_pred || s->h263_aic)) |
|
s->mbintra_table[mb_xy]=1; |
|
|
|
if ((s->flags&CODEC_FLAG_PSNR) || !(s->encoding && (s->intra_only || s->pict_type==AV_PICTURE_TYPE_B) && s->avctx->mb_decision != FF_MB_DECISION_RD)) { //FIXME precalc |
|
uint8_t *dest_y, *dest_cb, *dest_cr; |
|
int dct_linesize, dct_offset; |
|
op_pixels_func (*op_pix)[4]; |
|
qpel_mc_func (*op_qpix)[16]; |
|
const int linesize = s->current_picture.f.linesize[0]; //not s->linesize as this would be wrong for field pics |
|
const int uvlinesize = s->current_picture.f.linesize[1]; |
|
const int readable= s->pict_type != AV_PICTURE_TYPE_B || s->encoding || s->avctx->draw_horiz_band || lowres_flag; |
|
const int block_size= lowres_flag ? 8>>s->avctx->lowres : 8; |
|
|
|
/* avoid copy if macroblock skipped in last frame too */ |
|
/* skip only during decoding as we might trash the buffers during encoding a bit */ |
|
if(!s->encoding){ |
|
uint8_t *mbskip_ptr = &s->mbskip_table[mb_xy]; |
|
|
|
if (s->mb_skipped) { |
|
s->mb_skipped= 0; |
|
av_assert2(s->pict_type!=AV_PICTURE_TYPE_I); |
|
*mbskip_ptr = 1; |
|
} else if(!s->current_picture.f.reference) { |
|
*mbskip_ptr = 1; |
|
} else{ |
|
*mbskip_ptr = 0; /* not skipped */ |
|
} |
|
} |
|
|
|
dct_linesize = linesize << s->interlaced_dct; |
|
dct_offset = s->interlaced_dct ? linesize : linesize * block_size; |
|
|
|
if(readable){ |
|
dest_y= s->dest[0]; |
|
dest_cb= s->dest[1]; |
|
dest_cr= s->dest[2]; |
|
}else{ |
|
dest_y = s->b_scratchpad; |
|
dest_cb= s->b_scratchpad+16*linesize; |
|
dest_cr= s->b_scratchpad+32*linesize; |
|
} |
|
|
|
if (!s->mb_intra) { |
|
/* motion handling */ |
|
/* decoding or more than one mb_type (MC was already done otherwise) */ |
|
if(!s->encoding){ |
|
|
|
if(HAVE_THREADS && s->avctx->active_thread_type&FF_THREAD_FRAME) { |
|
if (s->mv_dir & MV_DIR_FORWARD) { |
|
ff_thread_await_progress(&s->last_picture_ptr->f, |
|
ff_MPV_lowest_referenced_row(s, 0), |
|
0); |
|
} |
|
if (s->mv_dir & MV_DIR_BACKWARD) { |
|
ff_thread_await_progress(&s->next_picture_ptr->f, |
|
ff_MPV_lowest_referenced_row(s, 1), |
|
0); |
|
} |
|
} |
|
|
|
if(lowres_flag){ |
|
h264_chroma_mc_func *op_pix = s->dsp.put_h264_chroma_pixels_tab; |
|
|
|
if (s->mv_dir & MV_DIR_FORWARD) { |
|
MPV_motion_lowres(s, dest_y, dest_cb, dest_cr, 0, s->last_picture.f.data, op_pix); |
|
op_pix = s->dsp.avg_h264_chroma_pixels_tab; |
|
} |
|
if (s->mv_dir & MV_DIR_BACKWARD) { |
|
MPV_motion_lowres(s, dest_y, dest_cb, dest_cr, 1, s->next_picture.f.data, op_pix); |
|
} |
|
}else{ |
|
op_qpix= s->me.qpel_put; |
|
if ((!s->no_rounding) || s->pict_type==AV_PICTURE_TYPE_B){ |
|
op_pix = s->dsp.put_pixels_tab; |
|
}else{ |
|
op_pix = s->dsp.put_no_rnd_pixels_tab; |
|
} |
|
if (s->mv_dir & MV_DIR_FORWARD) { |
|
ff_MPV_motion(s, dest_y, dest_cb, dest_cr, 0, s->last_picture.f.data, op_pix, op_qpix); |
|
op_pix = s->dsp.avg_pixels_tab; |
|
op_qpix= s->me.qpel_avg; |
|
} |
|
if (s->mv_dir & MV_DIR_BACKWARD) { |
|
ff_MPV_motion(s, dest_y, dest_cb, dest_cr, 1, s->next_picture.f.data, op_pix, op_qpix); |
|
} |
|
} |
|
} |
|
|
|
/* skip dequant / idct if we are really late ;) */ |
|
if(s->avctx->skip_idct){ |
|
if( (s->avctx->skip_idct >= AVDISCARD_NONREF && s->pict_type == AV_PICTURE_TYPE_B) |
|
||(s->avctx->skip_idct >= AVDISCARD_NONKEY && s->pict_type != AV_PICTURE_TYPE_I) |
|
|| s->avctx->skip_idct >= AVDISCARD_ALL) |
|
goto skip_idct; |
|
} |
|
|
|
/* add dct residue */ |
|
if(s->encoding || !( s->msmpeg4_version || s->codec_id==AV_CODEC_ID_MPEG1VIDEO || s->codec_id==AV_CODEC_ID_MPEG2VIDEO |
|
|| (s->codec_id==AV_CODEC_ID_MPEG4 && !s->mpeg_quant))){ |
|
add_dequant_dct(s, block[0], 0, dest_y , dct_linesize, s->qscale); |
|
add_dequant_dct(s, block[1], 1, dest_y + block_size, dct_linesize, s->qscale); |
|
add_dequant_dct(s, block[2], 2, dest_y + dct_offset , dct_linesize, s->qscale); |
|
add_dequant_dct(s, block[3], 3, dest_y + dct_offset + block_size, dct_linesize, s->qscale); |
|
|
|
if(!CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)){ |
|
if (s->chroma_y_shift){ |
|
add_dequant_dct(s, block[4], 4, dest_cb, uvlinesize, s->chroma_qscale); |
|
add_dequant_dct(s, block[5], 5, dest_cr, uvlinesize, s->chroma_qscale); |
|
}else{ |
|
dct_linesize >>= 1; |
|
dct_offset >>=1; |
|
add_dequant_dct(s, block[4], 4, dest_cb, dct_linesize, s->chroma_qscale); |
|
add_dequant_dct(s, block[5], 5, dest_cr, dct_linesize, s->chroma_qscale); |
|
add_dequant_dct(s, block[6], 6, dest_cb + dct_offset, dct_linesize, s->chroma_qscale); |
|
add_dequant_dct(s, block[7], 7, dest_cr + dct_offset, dct_linesize, s->chroma_qscale); |
|
} |
|
} |
|
} else if(is_mpeg12 || (s->codec_id != AV_CODEC_ID_WMV2)){ |
|
add_dct(s, block[0], 0, dest_y , dct_linesize); |
|
add_dct(s, block[1], 1, dest_y + block_size, dct_linesize); |
|
add_dct(s, block[2], 2, dest_y + dct_offset , dct_linesize); |
|
add_dct(s, block[3], 3, dest_y + dct_offset + block_size, dct_linesize); |
|
|
|
if(!CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)){ |
|
if(s->chroma_y_shift){//Chroma420 |
|
add_dct(s, block[4], 4, dest_cb, uvlinesize); |
|
add_dct(s, block[5], 5, dest_cr, uvlinesize); |
|
}else{ |
|
//chroma422 |
|
dct_linesize = uvlinesize << s->interlaced_dct; |
|
dct_offset = s->interlaced_dct ? uvlinesize : uvlinesize*block_size; |
|
|
|
add_dct(s, block[4], 4, dest_cb, dct_linesize); |
|
add_dct(s, block[5], 5, dest_cr, dct_linesize); |
|
add_dct(s, block[6], 6, dest_cb+dct_offset, dct_linesize); |
|
add_dct(s, block[7], 7, dest_cr+dct_offset, dct_linesize); |
|
if(!s->chroma_x_shift){//Chroma444 |
|
add_dct(s, block[8], 8, dest_cb+block_size, dct_linesize); |
|
add_dct(s, block[9], 9, dest_cr+block_size, dct_linesize); |
|
add_dct(s, block[10], 10, dest_cb+block_size+dct_offset, dct_linesize); |
|
add_dct(s, block[11], 11, dest_cr+block_size+dct_offset, dct_linesize); |
|
} |
|
} |
|
}//fi gray |
|
} |
|
else if (CONFIG_WMV2_DECODER || CONFIG_WMV2_ENCODER) { |
|
ff_wmv2_add_mb(s, block, dest_y, dest_cb, dest_cr); |
|
} |
|
} else { |
|
/* dct only in intra block */ |
|
if(s->encoding || !(s->codec_id==AV_CODEC_ID_MPEG1VIDEO || s->codec_id==AV_CODEC_ID_MPEG2VIDEO)){ |
|
put_dct(s, block[0], 0, dest_y , dct_linesize, s->qscale); |
|
put_dct(s, block[1], 1, dest_y + block_size, dct_linesize, s->qscale); |
|
put_dct(s, block[2], 2, dest_y + dct_offset , dct_linesize, s->qscale); |
|
put_dct(s, block[3], 3, dest_y + dct_offset + block_size, dct_linesize, s->qscale); |
|
|
|
if(!CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)){ |
|
if(s->chroma_y_shift){ |
|
put_dct(s, block[4], 4, dest_cb, uvlinesize, s->chroma_qscale); |
|
put_dct(s, block[5], 5, dest_cr, uvlinesize, s->chroma_qscale); |
|
}else{ |
|
dct_offset >>=1; |
|
dct_linesize >>=1; |
|
put_dct(s, block[4], 4, dest_cb, dct_linesize, s->chroma_qscale); |
|
put_dct(s, block[5], 5, dest_cr, dct_linesize, s->chroma_qscale); |
|
put_dct(s, block[6], 6, dest_cb + dct_offset, dct_linesize, s->chroma_qscale); |
|
put_dct(s, block[7], 7, dest_cr + dct_offset, dct_linesize, s->chroma_qscale); |
|
} |
|
} |
|
}else{ |
|
s->dsp.idct_put(dest_y , dct_linesize, block[0]); |
|
s->dsp.idct_put(dest_y + block_size, dct_linesize, block[1]); |
|
s->dsp.idct_put(dest_y + dct_offset , dct_linesize, block[2]); |
|
s->dsp.idct_put(dest_y + dct_offset + block_size, dct_linesize, block[3]); |
|
|
|
if(!CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)){ |
|
if(s->chroma_y_shift){ |
|
s->dsp.idct_put(dest_cb, uvlinesize, block[4]); |
|
s->dsp.idct_put(dest_cr, uvlinesize, block[5]); |
|
}else{ |
|
|
|
dct_linesize = uvlinesize << s->interlaced_dct; |
|
dct_offset = s->interlaced_dct? uvlinesize : uvlinesize*block_size; |
|
|
|
s->dsp.idct_put(dest_cb, dct_linesize, block[4]); |
|
s->dsp.idct_put(dest_cr, dct_linesize, block[5]); |
|
s->dsp.idct_put(dest_cb + dct_offset, dct_linesize, block[6]); |
|
s->dsp.idct_put(dest_cr + dct_offset, dct_linesize, block[7]); |
|
if(!s->chroma_x_shift){//Chroma444 |
|
s->dsp.idct_put(dest_cb + block_size, dct_linesize, block[8]); |
|
s->dsp.idct_put(dest_cr + block_size, dct_linesize, block[9]); |
|
s->dsp.idct_put(dest_cb + block_size + dct_offset, dct_linesize, block[10]); |
|
s->dsp.idct_put(dest_cr + block_size + dct_offset, dct_linesize, block[11]); |
|
} |
|
} |
|
}//gray |
|
} |
|
} |
|
skip_idct: |
|
if(!readable){ |
|
s->dsp.put_pixels_tab[0][0](s->dest[0], dest_y , linesize,16); |
|
s->dsp.put_pixels_tab[s->chroma_x_shift][0](s->dest[1], dest_cb, uvlinesize,16 >> s->chroma_y_shift); |
|
s->dsp.put_pixels_tab[s->chroma_x_shift][0](s->dest[2], dest_cr, uvlinesize,16 >> s->chroma_y_shift); |
|
} |
|
} |
|
} |
|
|
|
void ff_MPV_decode_mb(MpegEncContext *s, DCTELEM block[12][64]){ |
|
#if !CONFIG_SMALL |
|
if(s->out_format == FMT_MPEG1) { |
|
if(s->avctx->lowres) MPV_decode_mb_internal(s, block, 1, 1); |
|
else MPV_decode_mb_internal(s, block, 0, 1); |
|
} else |
|
#endif |
|
if(s->avctx->lowres) MPV_decode_mb_internal(s, block, 1, 0); |
|
else MPV_decode_mb_internal(s, block, 0, 0); |
|
} |
|
|
|
/** |
|
* @param h is the normal height, this will be reduced automatically if needed for the last row |
|
*/ |
|
void ff_draw_horiz_band(MpegEncContext *s, int y, int h){ |
|
const int field_pic= s->picture_structure != PICT_FRAME; |
|
if(field_pic){ |
|
h <<= 1; |
|
y <<= 1; |
|
} |
|
|
|
if (!s->avctx->hwaccel |
|
&& !(s->avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU) |
|
&& s->unrestricted_mv |
|
&& s->current_picture.f.reference |
|
&& !s->intra_only |
|
&& !(s->flags&CODEC_FLAG_EMU_EDGE)) { |
|
int sides = 0, edge_h; |
|
int hshift = av_pix_fmt_descriptors[s->avctx->pix_fmt].log2_chroma_w; |
|
int vshift = av_pix_fmt_descriptors[s->avctx->pix_fmt].log2_chroma_h; |
|
if (y==0) sides |= EDGE_TOP; |
|
if (y + h >= s->v_edge_pos) sides |= EDGE_BOTTOM; |
|
|
|
edge_h= FFMIN(h, s->v_edge_pos - y); |
|
|
|
s->dsp.draw_edges(s->current_picture_ptr->f.data[0] + y *s->linesize, |
|
s->linesize, s->h_edge_pos, edge_h, |
|
EDGE_WIDTH, EDGE_WIDTH, sides); |
|
s->dsp.draw_edges(s->current_picture_ptr->f.data[1] + (y>>vshift)*s->uvlinesize, |
|
s->uvlinesize, s->h_edge_pos>>hshift, edge_h>>vshift, |
|
EDGE_WIDTH>>hshift, EDGE_WIDTH>>vshift, sides); |
|
s->dsp.draw_edges(s->current_picture_ptr->f.data[2] + (y>>vshift)*s->uvlinesize, |
|
s->uvlinesize, s->h_edge_pos>>hshift, edge_h>>vshift, |
|
EDGE_WIDTH>>hshift, EDGE_WIDTH>>vshift, sides); |
|
} |
|
|
|
h= FFMIN(h, s->avctx->height - y); |
|
|
|
if(field_pic && s->first_field && !(s->avctx->slice_flags&SLICE_FLAG_ALLOW_FIELD)) return; |
|
|
|
if (s->avctx->draw_horiz_band) { |
|
AVFrame *src; |
|
int offset[AV_NUM_DATA_POINTERS]; |
|
int i; |
|
|
|
if(s->pict_type==AV_PICTURE_TYPE_B || s->low_delay || (s->avctx->slice_flags&SLICE_FLAG_CODED_ORDER)) |
|
src = &s->current_picture_ptr->f; |
|
else if(s->last_picture_ptr) |
|
src = &s->last_picture_ptr->f; |
|
else |
|
return; |
|
|
|
if(s->pict_type==AV_PICTURE_TYPE_B && s->picture_structure == PICT_FRAME && s->out_format != FMT_H264){ |
|
for (i = 0; i < AV_NUM_DATA_POINTERS; i++) |
|
offset[i] = 0; |
|
}else{ |
|
offset[0]= y * s->linesize; |
|
offset[1]= |
|
offset[2]= (y >> s->chroma_y_shift) * s->uvlinesize; |
|
for (i = 3; i < AV_NUM_DATA_POINTERS; i++) |
|
offset[i] = 0; |
|
} |
|
|
|
emms_c(); |
|
|
|
s->avctx->draw_horiz_band(s->avctx, src, offset, |
|
y, s->picture_structure, h); |
|
} |
|
} |
|
|
|
void ff_init_block_index(MpegEncContext *s){ //FIXME maybe rename |
|
const int linesize = s->current_picture.f.linesize[0]; //not s->linesize as this would be wrong for field pics |
|
const int uvlinesize = s->current_picture.f.linesize[1]; |
|
const int mb_size= 4 - s->avctx->lowres; |
|
|
|
s->block_index[0]= s->b8_stride*(s->mb_y*2 ) - 2 + s->mb_x*2; |
|
s->block_index[1]= s->b8_stride*(s->mb_y*2 ) - 1 + s->mb_x*2; |
|
s->block_index[2]= s->b8_stride*(s->mb_y*2 + 1) - 2 + s->mb_x*2; |
|
s->block_index[3]= s->b8_stride*(s->mb_y*2 + 1) - 1 + s->mb_x*2; |
|
s->block_index[4]= s->mb_stride*(s->mb_y + 1) + s->b8_stride*s->mb_height*2 + s->mb_x - 1; |
|
s->block_index[5]= s->mb_stride*(s->mb_y + s->mb_height + 2) + s->b8_stride*s->mb_height*2 + s->mb_x - 1; |
|
//block_index is not used by mpeg2, so it is not affected by chroma_format |
|
|
|
s->dest[0] = s->current_picture.f.data[0] + ((s->mb_x - 1) << mb_size); |
|
s->dest[1] = s->current_picture.f.data[1] + ((s->mb_x - 1) << (mb_size - s->chroma_x_shift)); |
|
s->dest[2] = s->current_picture.f.data[2] + ((s->mb_x - 1) << (mb_size - s->chroma_x_shift)); |
|
|
|
if(!(s->pict_type==AV_PICTURE_TYPE_B && s->avctx->draw_horiz_band && s->picture_structure==PICT_FRAME)) |
|
{ |
|
if(s->picture_structure==PICT_FRAME){ |
|
s->dest[0] += s->mb_y * linesize << mb_size; |
|
s->dest[1] += s->mb_y * uvlinesize << (mb_size - s->chroma_y_shift); |
|
s->dest[2] += s->mb_y * uvlinesize << (mb_size - s->chroma_y_shift); |
|
}else{ |
|
s->dest[0] += (s->mb_y>>1) * linesize << mb_size; |
|
s->dest[1] += (s->mb_y>>1) * uvlinesize << (mb_size - s->chroma_y_shift); |
|
s->dest[2] += (s->mb_y>>1) * uvlinesize << (mb_size - s->chroma_y_shift); |
|
av_assert1((s->mb_y&1) == (s->picture_structure == PICT_BOTTOM_FIELD)); |
|
} |
|
} |
|
} |
|
|
|
void ff_mpeg_flush(AVCodecContext *avctx){ |
|
int i; |
|
MpegEncContext *s = avctx->priv_data; |
|
|
|
if(s==NULL || s->picture==NULL) |
|
return; |
|
|
|
for(i=0; i<s->picture_count; i++){ |
|
if (s->picture[i].f.data[0] && |
|
(s->picture[i].f.type == FF_BUFFER_TYPE_INTERNAL || |
|
s->picture[i].f.type == FF_BUFFER_TYPE_USER)) |
|
free_frame_buffer(s, &s->picture[i]); |
|
} |
|
s->current_picture_ptr = s->last_picture_ptr = s->next_picture_ptr = NULL; |
|
|
|
s->mb_x= s->mb_y= 0; |
|
s->closed_gop= 0; |
|
|
|
s->parse_context.state= -1; |
|
s->parse_context.frame_start_found= 0; |
|
s->parse_context.overread= 0; |
|
s->parse_context.overread_index= 0; |
|
s->parse_context.index= 0; |
|
s->parse_context.last_index= 0; |
|
s->bitstream_buffer_size=0; |
|
s->pp_time=0; |
|
} |
|
|
|
static void dct_unquantize_mpeg1_intra_c(MpegEncContext *s, |
|
DCTELEM *block, int n, int qscale) |
|
{ |
|
int i, level, nCoeffs; |
|
const uint16_t *quant_matrix; |
|
|
|
nCoeffs= s->block_last_index[n]; |
|
|
|
block[0] *= n < 4 ? s->y_dc_scale : s->c_dc_scale; |
|
/* XXX: only mpeg1 */ |
|
quant_matrix = s->intra_matrix; |
|
for(i=1;i<=nCoeffs;i++) { |
|
int j= s->intra_scantable.permutated[i]; |
|
level = block[j]; |
|
if (level) { |
|
if (level < 0) { |
|
level = -level; |
|
level = (int)(level * qscale * quant_matrix[j]) >> 3; |
|
level = (level - 1) | 1; |
|
level = -level; |
|
} else { |
|
level = (int)(level * qscale * quant_matrix[j]) >> 3; |
|
level = (level - 1) | 1; |
|
} |
|
block[j] = level; |
|
} |
|
} |
|
} |
|
|
|
static void dct_unquantize_mpeg1_inter_c(MpegEncContext *s, |
|
DCTELEM *block, int n, int qscale) |
|
{ |
|
int i, level, nCoeffs; |
|
const uint16_t *quant_matrix; |
|
|
|
nCoeffs= s->block_last_index[n]; |
|
|
|
quant_matrix = s->inter_matrix; |
|
for(i=0; i<=nCoeffs; i++) { |
|
int j= s->intra_scantable.permutated[i]; |
|
level = block[j]; |
|
if (level) { |
|
if (level < 0) { |
|
level = -level; |
|
level = (((level << 1) + 1) * qscale * |
|
((int) (quant_matrix[j]))) >> 4; |
|
level = (level - 1) | 1; |
|
level = -level; |
|
} else { |
|
level = (((level << 1) + 1) * qscale * |
|
((int) (quant_matrix[j]))) >> 4; |
|
level = (level - 1) | 1; |
|
} |
|
block[j] = level; |
|
} |
|
} |
|
} |
|
|
|
static void dct_unquantize_mpeg2_intra_c(MpegEncContext *s, |
|
DCTELEM *block, int n, int qscale) |
|
{ |
|
int i, level, nCoeffs; |
|
const uint16_t *quant_matrix; |
|
|
|
if(s->alternate_scan) nCoeffs= 63; |
|
else nCoeffs= s->block_last_index[n]; |
|
|
|
block[0] *= n < 4 ? s->y_dc_scale : s->c_dc_scale; |
|
quant_matrix = s->intra_matrix; |
|
for(i=1;i<=nCoeffs;i++) { |
|
int j= s->intra_scantable.permutated[i]; |
|
level = block[j]; |
|
if (level) { |
|
if (level < 0) { |
|
level = -level; |
|
level = (int)(level * qscale * quant_matrix[j]) >> 3; |
|
level = -level; |
|
} else { |
|
level = (int)(level * qscale * quant_matrix[j]) >> 3; |
|
} |
|
block[j] = level; |
|
} |
|
} |
|
} |
|
|
|
static void dct_unquantize_mpeg2_intra_bitexact(MpegEncContext *s, |
|
DCTELEM *block, int n, int qscale) |
|
{ |
|
int i, level, nCoeffs; |
|
const uint16_t *quant_matrix; |
|
int sum=-1; |
|
|
|
if(s->alternate_scan) nCoeffs= 63; |
|
else nCoeffs= s->block_last_index[n]; |
|
|
|
block[0] *= n < 4 ? s->y_dc_scale : s->c_dc_scale; |
|
sum += block[0]; |
|
quant_matrix = s->intra_matrix; |
|
for(i=1;i<=nCoeffs;i++) { |
|
int j= s->intra_scantable.permutated[i]; |
|
level = block[j]; |
|
if (level) { |
|
if (level < 0) { |
|
level = -level; |
|
level = (int)(level * qscale * quant_matrix[j]) >> 3; |
|
level = -level; |
|
} else { |
|
level = (int)(level * qscale * quant_matrix[j]) >> 3; |
|
} |
|
block[j] = level; |
|
sum+=level; |
|
} |
|
} |
|
block[63]^=sum&1; |
|
} |
|
|
|
static void dct_unquantize_mpeg2_inter_c(MpegEncContext *s, |
|
DCTELEM *block, int n, int qscale) |
|
{ |
|
int i, level, nCoeffs; |
|
const uint16_t *quant_matrix; |
|
int sum=-1; |
|
|
|
if(s->alternate_scan) nCoeffs= 63; |
|
else nCoeffs= s->block_last_index[n]; |
|
|
|
quant_matrix = s->inter_matrix; |
|
for(i=0; i<=nCoeffs; i++) { |
|
int j= s->intra_scantable.permutated[i]; |
|
level = block[j]; |
|
if (level) { |
|
if (level < 0) { |
|
level = -level; |
|
level = (((level << 1) + 1) * qscale * |
|
((int) (quant_matrix[j]))) >> 4; |
|
level = -level; |
|
} else { |
|
level = (((level << 1) + 1) * qscale * |
|
((int) (quant_matrix[j]))) >> 4; |
|
} |
|
block[j] = level; |
|
sum+=level; |
|
} |
|
} |
|
block[63]^=sum&1; |
|
} |
|
|
|
static void dct_unquantize_h263_intra_c(MpegEncContext *s, |
|
DCTELEM *block, int n, int qscale) |
|
{ |
|
int i, level, qmul, qadd; |
|
int nCoeffs; |
|
|
|
assert(s->block_last_index[n]>=0); |
|
|
|
qmul = qscale << 1; |
|
|
|
if (!s->h263_aic) { |
|
block[0] *= n < 4 ? s->y_dc_scale : s->c_dc_scale; |
|
qadd = (qscale - 1) | 1; |
|
}else{ |
|
qadd = 0; |
|
} |
|
if(s->ac_pred) |
|
nCoeffs=63; |
|
else |
|
nCoeffs= s->inter_scantable.raster_end[ s->block_last_index[n] ]; |
|
|
|
for(i=1; i<=nCoeffs; i++) { |
|
level = block[i]; |
|
if (level) { |
|
if (level < 0) { |
|
level = level * qmul - qadd; |
|
} else { |
|
level = level * qmul + qadd; |
|
} |
|
block[i] = level; |
|
} |
|
} |
|
} |
|
|
|
static void dct_unquantize_h263_inter_c(MpegEncContext *s, |
|
DCTELEM *block, int n, int qscale) |
|
{ |
|
int i, level, qmul, qadd; |
|
int nCoeffs; |
|
|
|
assert(s->block_last_index[n]>=0); |
|
|
|
qadd = (qscale - 1) | 1; |
|
qmul = qscale << 1; |
|
|
|
nCoeffs= s->inter_scantable.raster_end[ s->block_last_index[n] ]; |
|
|
|
for(i=0; i<=nCoeffs; i++) { |
|
level = block[i]; |
|
if (level) { |
|
if (level < 0) { |
|
level = level * qmul - qadd; |
|
} else { |
|
level = level * qmul + qadd; |
|
} |
|
block[i] = level; |
|
} |
|
} |
|
} |
|
|
|
/** |
|
* set qscale and update qscale dependent variables. |
|
*/ |
|
void ff_set_qscale(MpegEncContext * s, int qscale) |
|
{ |
|
if (qscale < 1) |
|
qscale = 1; |
|
else if (qscale > 31) |
|
qscale = 31; |
|
|
|
s->qscale = qscale; |
|
s->chroma_qscale= s->chroma_qscale_table[qscale]; |
|
|
|
s->y_dc_scale= s->y_dc_scale_table[ qscale ]; |
|
s->c_dc_scale= s->c_dc_scale_table[ s->chroma_qscale ]; |
|
} |
|
|
|
void ff_MPV_report_decode_progress(MpegEncContext *s) |
|
{ |
|
if (s->pict_type != AV_PICTURE_TYPE_B && !s->partitioned_frame && !s->error_occurred) |
|
ff_thread_report_progress(&s->current_picture_ptr->f, s->mb_y, 0); |
|
}
|
|
|