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3116 lines
118 KiB
3116 lines
118 KiB
/* |
|
* HEVC video decoder |
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* |
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* Copyright (C) 2012 - 2013 Guillaume Martres |
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* Copyright (C) 2012 - 2013 Mickael Raulet |
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* Copyright (C) 2012 - 2013 Gildas Cocherel |
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* Copyright (C) 2012 - 2013 Wassim Hamidouche |
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* |
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* This file is part of Libav. |
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* |
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* Libav 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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* Libav 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 Libav; 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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#include "libavutil/attributes.h" |
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#include "libavutil/common.h" |
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#include "libavutil/display.h" |
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#include "libavutil/internal.h" |
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#include "libavutil/md5.h" |
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#include "libavutil/opt.h" |
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#include "libavutil/pixdesc.h" |
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#include "libavutil/stereo3d.h" |
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|
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#include "bswapdsp.h" |
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#include "bytestream.h" |
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#include "cabac_functions.h" |
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#include "golomb_legacy.h" |
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#include "hevc.h" |
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#include "hevc_data.h" |
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#include "hevcdec.h" |
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#include "profiles.h" |
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|
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const uint8_t ff_hevc_qpel_extra_before[4] = { 0, 3, 3, 3 }; |
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const uint8_t ff_hevc_qpel_extra_after[4] = { 0, 4, 4, 4 }; |
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const uint8_t ff_hevc_qpel_extra[4] = { 0, 7, 7, 7 }; |
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|
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static const uint8_t scan_1x1[1] = { 0 }; |
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|
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static const uint8_t horiz_scan2x2_x[4] = { 0, 1, 0, 1 }; |
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|
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static const uint8_t horiz_scan2x2_y[4] = { 0, 0, 1, 1 }; |
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|
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static const uint8_t horiz_scan4x4_x[16] = { |
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0, 1, 2, 3, |
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0, 1, 2, 3, |
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0, 1, 2, 3, |
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0, 1, 2, 3, |
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}; |
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|
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static const uint8_t horiz_scan4x4_y[16] = { |
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0, 0, 0, 0, |
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1, 1, 1, 1, |
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2, 2, 2, 2, |
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3, 3, 3, 3, |
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}; |
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|
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static const uint8_t horiz_scan8x8_inv[8][8] = { |
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{ 0, 1, 2, 3, 16, 17, 18, 19, }, |
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{ 4, 5, 6, 7, 20, 21, 22, 23, }, |
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{ 8, 9, 10, 11, 24, 25, 26, 27, }, |
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{ 12, 13, 14, 15, 28, 29, 30, 31, }, |
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{ 32, 33, 34, 35, 48, 49, 50, 51, }, |
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{ 36, 37, 38, 39, 52, 53, 54, 55, }, |
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{ 40, 41, 42, 43, 56, 57, 58, 59, }, |
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{ 44, 45, 46, 47, 60, 61, 62, 63, }, |
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}; |
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|
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static const uint8_t diag_scan2x2_x[4] = { 0, 0, 1, 1 }; |
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|
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static const uint8_t diag_scan2x2_y[4] = { 0, 1, 0, 1 }; |
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|
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static const uint8_t diag_scan2x2_inv[2][2] = { |
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{ 0, 2, }, |
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{ 1, 3, }, |
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}; |
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|
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static const uint8_t diag_scan4x4_inv[4][4] = { |
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{ 0, 2, 5, 9, }, |
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{ 1, 4, 8, 12, }, |
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{ 3, 7, 11, 14, }, |
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{ 6, 10, 13, 15, }, |
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}; |
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|
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static const uint8_t diag_scan8x8_inv[8][8] = { |
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{ 0, 2, 5, 9, 14, 20, 27, 35, }, |
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{ 1, 4, 8, 13, 19, 26, 34, 42, }, |
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{ 3, 7, 12, 18, 25, 33, 41, 48, }, |
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{ 6, 11, 17, 24, 32, 40, 47, 53, }, |
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{ 10, 16, 23, 31, 39, 46, 52, 57, }, |
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{ 15, 22, 30, 38, 45, 51, 56, 60, }, |
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{ 21, 29, 37, 44, 50, 55, 59, 62, }, |
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{ 28, 36, 43, 49, 54, 58, 61, 63, }, |
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}; |
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|
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/** |
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* NOTE: Each function hls_foo correspond to the function foo in the |
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* specification (HLS stands for High Level Syntax). |
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*/ |
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|
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/** |
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* Section 5.7 |
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*/ |
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|
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/* free everything allocated by pic_arrays_init() */ |
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static void pic_arrays_free(HEVCContext *s) |
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{ |
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av_freep(&s->sao); |
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av_freep(&s->deblock); |
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|
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av_freep(&s->skip_flag); |
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av_freep(&s->tab_ct_depth); |
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|
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av_freep(&s->tab_ipm); |
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av_freep(&s->cbf_luma); |
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av_freep(&s->is_pcm); |
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|
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av_freep(&s->qp_y_tab); |
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av_freep(&s->tab_slice_address); |
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av_freep(&s->filter_slice_edges); |
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|
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av_freep(&s->horizontal_bs); |
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av_freep(&s->vertical_bs); |
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|
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av_buffer_pool_uninit(&s->tab_mvf_pool); |
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av_buffer_pool_uninit(&s->rpl_tab_pool); |
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} |
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|
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/* allocate arrays that depend on frame dimensions */ |
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static int pic_arrays_init(HEVCContext *s, const HEVCSPS *sps) |
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{ |
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int log2_min_cb_size = sps->log2_min_cb_size; |
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int width = sps->width; |
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int height = sps->height; |
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int pic_size_in_ctb = ((width >> log2_min_cb_size) + 1) * |
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((height >> log2_min_cb_size) + 1); |
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int ctb_count = sps->ctb_width * sps->ctb_height; |
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int min_pu_size = sps->min_pu_width * sps->min_pu_height; |
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|
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s->bs_width = width >> 3; |
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s->bs_height = height >> 3; |
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|
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s->sao = av_mallocz_array(ctb_count, sizeof(*s->sao)); |
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s->deblock = av_mallocz_array(ctb_count, sizeof(*s->deblock)); |
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if (!s->sao || !s->deblock) |
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goto fail; |
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|
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s->skip_flag = av_malloc(pic_size_in_ctb); |
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s->tab_ct_depth = av_malloc(sps->min_cb_height * sps->min_cb_width); |
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if (!s->skip_flag || !s->tab_ct_depth) |
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goto fail; |
|
|
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s->cbf_luma = av_malloc(sps->min_tb_width * sps->min_tb_height); |
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s->tab_ipm = av_mallocz(min_pu_size); |
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s->is_pcm = av_malloc(min_pu_size); |
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if (!s->tab_ipm || !s->cbf_luma || !s->is_pcm) |
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goto fail; |
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|
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s->filter_slice_edges = av_malloc(ctb_count); |
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s->tab_slice_address = av_malloc(pic_size_in_ctb * |
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sizeof(*s->tab_slice_address)); |
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s->qp_y_tab = av_malloc(pic_size_in_ctb * |
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sizeof(*s->qp_y_tab)); |
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if (!s->qp_y_tab || !s->filter_slice_edges || !s->tab_slice_address) |
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goto fail; |
|
|
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s->horizontal_bs = av_mallocz(2 * s->bs_width * (s->bs_height + 1)); |
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s->vertical_bs = av_mallocz(2 * s->bs_width * (s->bs_height + 1)); |
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if (!s->horizontal_bs || !s->vertical_bs) |
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goto fail; |
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|
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s->tab_mvf_pool = av_buffer_pool_init(min_pu_size * sizeof(MvField), |
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av_buffer_alloc); |
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s->rpl_tab_pool = av_buffer_pool_init(ctb_count * sizeof(RefPicListTab), |
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av_buffer_allocz); |
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if (!s->tab_mvf_pool || !s->rpl_tab_pool) |
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goto fail; |
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|
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return 0; |
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|
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fail: |
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pic_arrays_free(s); |
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return AVERROR(ENOMEM); |
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} |
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|
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static void pred_weight_table(HEVCContext *s, GetBitContext *gb) |
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{ |
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int i = 0; |
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int j = 0; |
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uint8_t luma_weight_l0_flag[16]; |
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uint8_t chroma_weight_l0_flag[16]; |
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uint8_t luma_weight_l1_flag[16]; |
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uint8_t chroma_weight_l1_flag[16]; |
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|
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s->sh.luma_log2_weight_denom = av_clip(get_ue_golomb_long(gb), 0, 7); |
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if (s->ps.sps->chroma_format_idc != 0) { |
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int delta = get_se_golomb(gb); |
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s->sh.chroma_log2_weight_denom = av_clip(s->sh.luma_log2_weight_denom + delta, 0, 7); |
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} |
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|
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for (i = 0; i < s->sh.nb_refs[L0]; i++) { |
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luma_weight_l0_flag[i] = get_bits1(gb); |
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if (!luma_weight_l0_flag[i]) { |
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s->sh.luma_weight_l0[i] = 1 << s->sh.luma_log2_weight_denom; |
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s->sh.luma_offset_l0[i] = 0; |
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} |
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} |
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if (s->ps.sps->chroma_format_idc != 0) { // FIXME: invert "if" and "for" |
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for (i = 0; i < s->sh.nb_refs[L0]; i++) |
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chroma_weight_l0_flag[i] = get_bits1(gb); |
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} else { |
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for (i = 0; i < s->sh.nb_refs[L0]; i++) |
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chroma_weight_l0_flag[i] = 0; |
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} |
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for (i = 0; i < s->sh.nb_refs[L0]; i++) { |
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if (luma_weight_l0_flag[i]) { |
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int delta_luma_weight_l0 = get_se_golomb(gb); |
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s->sh.luma_weight_l0[i] = (1 << s->sh.luma_log2_weight_denom) + delta_luma_weight_l0; |
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s->sh.luma_offset_l0[i] = get_se_golomb(gb); |
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} |
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if (chroma_weight_l0_flag[i]) { |
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for (j = 0; j < 2; j++) { |
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int delta_chroma_weight_l0 = get_se_golomb(gb); |
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int delta_chroma_offset_l0 = get_se_golomb(gb); |
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s->sh.chroma_weight_l0[i][j] = (1 << s->sh.chroma_log2_weight_denom) + delta_chroma_weight_l0; |
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s->sh.chroma_offset_l0[i][j] = av_clip((delta_chroma_offset_l0 - ((128 * s->sh.chroma_weight_l0[i][j]) |
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>> s->sh.chroma_log2_weight_denom) + 128), -128, 127); |
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} |
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} else { |
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s->sh.chroma_weight_l0[i][0] = 1 << s->sh.chroma_log2_weight_denom; |
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s->sh.chroma_offset_l0[i][0] = 0; |
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s->sh.chroma_weight_l0[i][1] = 1 << s->sh.chroma_log2_weight_denom; |
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s->sh.chroma_offset_l0[i][1] = 0; |
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} |
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} |
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if (s->sh.slice_type == HEVC_SLICE_B) { |
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for (i = 0; i < s->sh.nb_refs[L1]; i++) { |
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luma_weight_l1_flag[i] = get_bits1(gb); |
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if (!luma_weight_l1_flag[i]) { |
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s->sh.luma_weight_l1[i] = 1 << s->sh.luma_log2_weight_denom; |
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s->sh.luma_offset_l1[i] = 0; |
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} |
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} |
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if (s->ps.sps->chroma_format_idc != 0) { |
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for (i = 0; i < s->sh.nb_refs[L1]; i++) |
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chroma_weight_l1_flag[i] = get_bits1(gb); |
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} else { |
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for (i = 0; i < s->sh.nb_refs[L1]; i++) |
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chroma_weight_l1_flag[i] = 0; |
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} |
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for (i = 0; i < s->sh.nb_refs[L1]; i++) { |
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if (luma_weight_l1_flag[i]) { |
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int delta_luma_weight_l1 = get_se_golomb(gb); |
|
s->sh.luma_weight_l1[i] = (1 << s->sh.luma_log2_weight_denom) + delta_luma_weight_l1; |
|
s->sh.luma_offset_l1[i] = get_se_golomb(gb); |
|
} |
|
if (chroma_weight_l1_flag[i]) { |
|
for (j = 0; j < 2; j++) { |
|
int delta_chroma_weight_l1 = get_se_golomb(gb); |
|
int delta_chroma_offset_l1 = get_se_golomb(gb); |
|
s->sh.chroma_weight_l1[i][j] = (1 << s->sh.chroma_log2_weight_denom) + delta_chroma_weight_l1; |
|
s->sh.chroma_offset_l1[i][j] = av_clip((delta_chroma_offset_l1 - ((128 * s->sh.chroma_weight_l1[i][j]) |
|
>> s->sh.chroma_log2_weight_denom) + 128), -128, 127); |
|
} |
|
} else { |
|
s->sh.chroma_weight_l1[i][0] = 1 << s->sh.chroma_log2_weight_denom; |
|
s->sh.chroma_offset_l1[i][0] = 0; |
|
s->sh.chroma_weight_l1[i][1] = 1 << s->sh.chroma_log2_weight_denom; |
|
s->sh.chroma_offset_l1[i][1] = 0; |
|
} |
|
} |
|
} |
|
} |
|
|
|
static int decode_lt_rps(HEVCContext *s, LongTermRPS *rps, GetBitContext *gb) |
|
{ |
|
const HEVCSPS *sps = s->ps.sps; |
|
int max_poc_lsb = 1 << sps->log2_max_poc_lsb; |
|
int prev_delta_msb = 0; |
|
unsigned int nb_sps = 0, nb_sh; |
|
int i; |
|
|
|
rps->nb_refs = 0; |
|
if (!sps->long_term_ref_pics_present_flag) |
|
return 0; |
|
|
|
if (sps->num_long_term_ref_pics_sps > 0) |
|
nb_sps = get_ue_golomb_long(gb); |
|
nb_sh = get_ue_golomb_long(gb); |
|
|
|
if (nb_sh + nb_sps > FF_ARRAY_ELEMS(rps->poc)) |
|
return AVERROR_INVALIDDATA; |
|
|
|
rps->nb_refs = nb_sh + nb_sps; |
|
|
|
for (i = 0; i < rps->nb_refs; i++) { |
|
uint8_t delta_poc_msb_present; |
|
|
|
if (i < nb_sps) { |
|
uint8_t lt_idx_sps = 0; |
|
|
|
if (sps->num_long_term_ref_pics_sps > 1) |
|
lt_idx_sps = get_bits(gb, av_ceil_log2(sps->num_long_term_ref_pics_sps)); |
|
|
|
rps->poc[i] = sps->lt_ref_pic_poc_lsb_sps[lt_idx_sps]; |
|
rps->used[i] = sps->used_by_curr_pic_lt_sps_flag[lt_idx_sps]; |
|
} else { |
|
rps->poc[i] = get_bits(gb, sps->log2_max_poc_lsb); |
|
rps->used[i] = get_bits1(gb); |
|
} |
|
|
|
delta_poc_msb_present = get_bits1(gb); |
|
if (delta_poc_msb_present) { |
|
int delta = get_ue_golomb_long(gb); |
|
|
|
if (i && i != nb_sps) |
|
delta += prev_delta_msb; |
|
|
|
rps->poc[i] += s->poc - delta * max_poc_lsb - s->sh.pic_order_cnt_lsb; |
|
prev_delta_msb = delta; |
|
} |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static void export_stream_params(AVCodecContext *avctx, const HEVCParamSets *ps, |
|
const HEVCSPS *sps) |
|
{ |
|
const HEVCVPS *vps = (const HEVCVPS*)ps->vps_list[sps->vps_id]->data; |
|
const HEVCWindow *ow = &sps->output_window; |
|
unsigned int num = 0, den = 0; |
|
|
|
avctx->pix_fmt = sps->pix_fmt; |
|
avctx->coded_width = sps->width; |
|
avctx->coded_height = sps->height; |
|
avctx->width = sps->width - ow->left_offset - ow->right_offset; |
|
avctx->height = sps->height - ow->top_offset - ow->bottom_offset; |
|
avctx->has_b_frames = sps->temporal_layer[sps->max_sub_layers - 1].num_reorder_pics; |
|
avctx->profile = sps->ptl.general_ptl.profile_idc; |
|
avctx->level = sps->ptl.general_ptl.level_idc; |
|
|
|
ff_set_sar(avctx, sps->vui.sar); |
|
|
|
if (sps->vui.video_signal_type_present_flag) |
|
avctx->color_range = sps->vui.video_full_range_flag ? AVCOL_RANGE_JPEG |
|
: AVCOL_RANGE_MPEG; |
|
else |
|
avctx->color_range = AVCOL_RANGE_MPEG; |
|
|
|
if (sps->vui.colour_description_present_flag) { |
|
avctx->color_primaries = sps->vui.colour_primaries; |
|
avctx->color_trc = sps->vui.transfer_characteristic; |
|
avctx->colorspace = sps->vui.matrix_coeffs; |
|
} else { |
|
avctx->color_primaries = AVCOL_PRI_UNSPECIFIED; |
|
avctx->color_trc = AVCOL_TRC_UNSPECIFIED; |
|
avctx->colorspace = AVCOL_SPC_UNSPECIFIED; |
|
} |
|
|
|
if (vps->vps_timing_info_present_flag) { |
|
num = vps->vps_num_units_in_tick; |
|
den = vps->vps_time_scale; |
|
} else if (sps->vui.vui_timing_info_present_flag) { |
|
num = sps->vui.vui_num_units_in_tick; |
|
den = sps->vui.vui_time_scale; |
|
} |
|
|
|
if (num != 0 && den != 0) |
|
av_reduce(&avctx->framerate.den, &avctx->framerate.num, |
|
num, den, 1 << 30); |
|
} |
|
|
|
static enum AVPixelFormat get_format(HEVCContext *s, const HEVCSPS *sps) |
|
{ |
|
#define HWACCEL_MAX (CONFIG_HEVC_DXVA2_HWACCEL + CONFIG_HEVC_D3D11VA_HWACCEL * 2 + \ |
|
CONFIG_HEVC_VAAPI_HWACCEL + CONFIG_HEVC_VDPAU_HWACCEL + \ |
|
CONFIG_HEVC_CUVID_HWACCEL) |
|
enum AVPixelFormat pix_fmts[HWACCEL_MAX + 2], *fmt = pix_fmts; |
|
|
|
if (sps->pix_fmt == AV_PIX_FMT_YUV420P || sps->pix_fmt == AV_PIX_FMT_YUVJ420P || |
|
sps->pix_fmt == AV_PIX_FMT_YUV420P10) { |
|
#if CONFIG_HEVC_D3D11VA_HWACCEL |
|
*fmt++ = AV_PIX_FMT_D3D11VA_VLD; |
|
*fmt++ = AV_PIX_FMT_D3D11; |
|
#endif |
|
#if CONFIG_HEVC_DXVA2_HWACCEL |
|
*fmt++ = AV_PIX_FMT_DXVA2_VLD; |
|
#endif |
|
#if CONFIG_HEVC_VAAPI_HWACCEL |
|
*fmt++ = AV_PIX_FMT_VAAPI; |
|
#endif |
|
#if CONFIG_HEVC_CUVID_HWACCEL && HAVE_CUVIDDECODECREATEINFO_BITDEPTHMINUS8 |
|
*fmt++ = AV_PIX_FMT_CUDA; |
|
#endif |
|
} |
|
if (sps->pix_fmt == AV_PIX_FMT_YUV420P || sps->pix_fmt == AV_PIX_FMT_YUVJ420P) { |
|
#if CONFIG_HEVC_CUVID_HWACCEL && !HAVE_CUVIDDECODECREATEINFO_BITDEPTHMINUS8 |
|
*fmt++ = AV_PIX_FMT_CUDA; |
|
#endif |
|
#if CONFIG_HEVC_VDPAU_HWACCEL |
|
*fmt++ = AV_PIX_FMT_VDPAU; |
|
#endif |
|
} |
|
|
|
*fmt++ = sps->pix_fmt; |
|
*fmt = AV_PIX_FMT_NONE; |
|
|
|
return ff_get_format(s->avctx, pix_fmts); |
|
} |
|
|
|
static int set_sps(HEVCContext *s, const HEVCSPS *sps, |
|
enum AVPixelFormat pix_fmt) |
|
{ |
|
int ret; |
|
|
|
pic_arrays_free(s); |
|
s->ps.sps = NULL; |
|
s->ps.vps = NULL; |
|
|
|
if (!sps) |
|
return 0; |
|
|
|
ret = pic_arrays_init(s, sps); |
|
if (ret < 0) |
|
goto fail; |
|
|
|
export_stream_params(s->avctx, &s->ps, sps); |
|
|
|
s->avctx->pix_fmt = pix_fmt; |
|
|
|
ff_hevc_pred_init(&s->hpc, sps->bit_depth); |
|
ff_hevc_dsp_init (&s->hevcdsp, sps->bit_depth); |
|
ff_videodsp_init (&s->vdsp, sps->bit_depth); |
|
|
|
if (sps->sao_enabled && !s->avctx->hwaccel) { |
|
av_frame_unref(s->tmp_frame); |
|
ret = ff_get_buffer(s->avctx, s->tmp_frame, AV_GET_BUFFER_FLAG_REF); |
|
if (ret < 0) |
|
goto fail; |
|
s->frame = s->tmp_frame; |
|
} |
|
|
|
s->ps.sps = sps; |
|
s->ps.vps = (HEVCVPS*) s->ps.vps_list[s->ps.sps->vps_id]->data; |
|
|
|
return 0; |
|
|
|
fail: |
|
pic_arrays_free(s); |
|
s->ps.sps = NULL; |
|
return ret; |
|
} |
|
|
|
static int hls_slice_header(HEVCContext *s) |
|
{ |
|
GetBitContext *gb = &s->HEVClc.gb; |
|
SliceHeader *sh = &s->sh; |
|
int i, ret; |
|
|
|
// Coded parameters |
|
sh->first_slice_in_pic_flag = get_bits1(gb); |
|
if ((IS_IDR(s) || IS_BLA(s)) && sh->first_slice_in_pic_flag) { |
|
s->seq_decode = (s->seq_decode + 1) & 0xff; |
|
s->max_ra = INT_MAX; |
|
if (IS_IDR(s)) |
|
ff_hevc_clear_refs(s); |
|
} |
|
if (IS_IRAP(s)) |
|
sh->no_output_of_prior_pics_flag = get_bits1(gb); |
|
|
|
sh->pps_id = get_ue_golomb_long(gb); |
|
if (sh->pps_id >= HEVC_MAX_PPS_COUNT || !s->ps.pps_list[sh->pps_id]) { |
|
av_log(s->avctx, AV_LOG_ERROR, "PPS id out of range: %d\n", sh->pps_id); |
|
return AVERROR_INVALIDDATA; |
|
} |
|
if (!sh->first_slice_in_pic_flag && |
|
s->ps.pps != (HEVCPPS*)s->ps.pps_list[sh->pps_id]->data) { |
|
av_log(s->avctx, AV_LOG_ERROR, "PPS changed between slices.\n"); |
|
return AVERROR_INVALIDDATA; |
|
} |
|
s->ps.pps = (HEVCPPS*)s->ps.pps_list[sh->pps_id]->data; |
|
|
|
if (s->ps.sps != (HEVCSPS*)s->ps.sps_list[s->ps.pps->sps_id]->data) { |
|
const HEVCSPS *sps = (HEVCSPS*)s->ps.sps_list[s->ps.pps->sps_id]->data; |
|
enum AVPixelFormat pix_fmt; |
|
|
|
ff_hevc_clear_refs(s); |
|
|
|
ret = set_sps(s, sps, sps->pix_fmt); |
|
if (ret < 0) |
|
return ret; |
|
|
|
pix_fmt = get_format(s, sps); |
|
if (pix_fmt < 0) |
|
return pix_fmt; |
|
s->avctx->pix_fmt = pix_fmt; |
|
|
|
s->seq_decode = (s->seq_decode + 1) & 0xff; |
|
s->max_ra = INT_MAX; |
|
} |
|
|
|
sh->dependent_slice_segment_flag = 0; |
|
if (!sh->first_slice_in_pic_flag) { |
|
int slice_address_length; |
|
|
|
if (s->ps.pps->dependent_slice_segments_enabled_flag) |
|
sh->dependent_slice_segment_flag = get_bits1(gb); |
|
|
|
slice_address_length = av_ceil_log2(s->ps.sps->ctb_width * |
|
s->ps.sps->ctb_height); |
|
sh->slice_segment_addr = slice_address_length ? get_bits(gb, slice_address_length) : 0; |
|
if (sh->slice_segment_addr >= s->ps.sps->ctb_width * s->ps.sps->ctb_height) { |
|
av_log(s->avctx, AV_LOG_ERROR, |
|
"Invalid slice segment address: %u.\n", |
|
sh->slice_segment_addr); |
|
return AVERROR_INVALIDDATA; |
|
} |
|
|
|
if (!sh->dependent_slice_segment_flag) { |
|
sh->slice_addr = sh->slice_segment_addr; |
|
s->slice_idx++; |
|
} |
|
} else { |
|
sh->slice_segment_addr = sh->slice_addr = 0; |
|
s->slice_idx = 0; |
|
s->slice_initialized = 0; |
|
} |
|
|
|
if (!sh->dependent_slice_segment_flag) { |
|
s->slice_initialized = 0; |
|
|
|
for (i = 0; i < s->ps.pps->num_extra_slice_header_bits; i++) |
|
skip_bits(gb, 1); // slice_reserved_undetermined_flag[] |
|
|
|
sh->slice_type = get_ue_golomb_long(gb); |
|
if (!(sh->slice_type == HEVC_SLICE_I || |
|
sh->slice_type == HEVC_SLICE_P || |
|
sh->slice_type == HEVC_SLICE_B)) { |
|
av_log(s->avctx, AV_LOG_ERROR, "Unknown slice type: %d.\n", |
|
sh->slice_type); |
|
return AVERROR_INVALIDDATA; |
|
} |
|
if (IS_IRAP(s) && sh->slice_type != HEVC_SLICE_I) { |
|
av_log(s->avctx, AV_LOG_ERROR, "Inter slices in an IRAP frame.\n"); |
|
return AVERROR_INVALIDDATA; |
|
} |
|
|
|
// when flag is not present, picture is inferred to be output |
|
sh->pic_output_flag = 1; |
|
if (s->ps.pps->output_flag_present_flag) |
|
sh->pic_output_flag = get_bits1(gb); |
|
|
|
if (s->ps.sps->separate_colour_plane_flag) |
|
sh->colour_plane_id = get_bits(gb, 2); |
|
|
|
if (!IS_IDR(s)) { |
|
int poc, pos; |
|
|
|
sh->pic_order_cnt_lsb = get_bits(gb, s->ps.sps->log2_max_poc_lsb); |
|
poc = ff_hevc_compute_poc(s, sh->pic_order_cnt_lsb); |
|
if (!sh->first_slice_in_pic_flag && poc != s->poc) { |
|
av_log(s->avctx, AV_LOG_WARNING, |
|
"Ignoring POC change between slices: %d -> %d\n", s->poc, poc); |
|
if (s->avctx->err_recognition & AV_EF_EXPLODE) |
|
return AVERROR_INVALIDDATA; |
|
poc = s->poc; |
|
} |
|
s->poc = poc; |
|
|
|
sh->short_term_ref_pic_set_sps_flag = get_bits1(gb); |
|
pos = get_bits_left(gb); |
|
if (!sh->short_term_ref_pic_set_sps_flag) { |
|
ret = ff_hevc_decode_short_term_rps(gb, s->avctx, &sh->slice_rps, s->ps.sps, 1); |
|
if (ret < 0) |
|
return ret; |
|
|
|
sh->short_term_rps = &sh->slice_rps; |
|
} else { |
|
int numbits, rps_idx; |
|
|
|
if (!s->ps.sps->nb_st_rps) { |
|
av_log(s->avctx, AV_LOG_ERROR, "No ref lists in the SPS.\n"); |
|
return AVERROR_INVALIDDATA; |
|
} |
|
|
|
numbits = av_ceil_log2(s->ps.sps->nb_st_rps); |
|
rps_idx = numbits > 0 ? get_bits(gb, numbits) : 0; |
|
sh->short_term_rps = &s->ps.sps->st_rps[rps_idx]; |
|
} |
|
sh->short_term_ref_pic_set_size = pos - get_bits_left(gb); |
|
|
|
pos = get_bits_left(gb); |
|
ret = decode_lt_rps(s, &sh->long_term_rps, gb); |
|
if (ret < 0) { |
|
av_log(s->avctx, AV_LOG_WARNING, "Invalid long term RPS.\n"); |
|
if (s->avctx->err_recognition & AV_EF_EXPLODE) |
|
return AVERROR_INVALIDDATA; |
|
} |
|
sh->long_term_ref_pic_set_size = pos - get_bits_left(gb); |
|
|
|
if (s->ps.sps->sps_temporal_mvp_enabled_flag) |
|
sh->slice_temporal_mvp_enabled_flag = get_bits1(gb); |
|
else |
|
sh->slice_temporal_mvp_enabled_flag = 0; |
|
} else { |
|
s->sh.short_term_rps = NULL; |
|
s->poc = 0; |
|
} |
|
|
|
/* 8.3.1 */ |
|
if (s->temporal_id == 0 && |
|
s->nal_unit_type != HEVC_NAL_TRAIL_N && |
|
s->nal_unit_type != HEVC_NAL_TSA_N && |
|
s->nal_unit_type != HEVC_NAL_STSA_N && |
|
s->nal_unit_type != HEVC_NAL_RADL_N && |
|
s->nal_unit_type != HEVC_NAL_RADL_R && |
|
s->nal_unit_type != HEVC_NAL_RASL_N && |
|
s->nal_unit_type != HEVC_NAL_RASL_R) |
|
s->pocTid0 = s->poc; |
|
|
|
if (s->ps.sps->sao_enabled) { |
|
sh->slice_sample_adaptive_offset_flag[0] = get_bits1(gb); |
|
sh->slice_sample_adaptive_offset_flag[1] = |
|
sh->slice_sample_adaptive_offset_flag[2] = get_bits1(gb); |
|
} else { |
|
sh->slice_sample_adaptive_offset_flag[0] = 0; |
|
sh->slice_sample_adaptive_offset_flag[1] = 0; |
|
sh->slice_sample_adaptive_offset_flag[2] = 0; |
|
} |
|
|
|
sh->nb_refs[L0] = sh->nb_refs[L1] = 0; |
|
if (sh->slice_type == HEVC_SLICE_P || sh->slice_type == HEVC_SLICE_B) { |
|
int nb_refs; |
|
|
|
sh->nb_refs[L0] = s->ps.pps->num_ref_idx_l0_default_active; |
|
if (sh->slice_type == HEVC_SLICE_B) |
|
sh->nb_refs[L1] = s->ps.pps->num_ref_idx_l1_default_active; |
|
|
|
if (get_bits1(gb)) { // num_ref_idx_active_override_flag |
|
sh->nb_refs[L0] = get_ue_golomb_long(gb) + 1; |
|
if (sh->slice_type == HEVC_SLICE_B) |
|
sh->nb_refs[L1] = get_ue_golomb_long(gb) + 1; |
|
} |
|
if (sh->nb_refs[L0] > HEVC_MAX_REFS || sh->nb_refs[L1] > HEVC_MAX_REFS) { |
|
av_log(s->avctx, AV_LOG_ERROR, "Too many refs: %d/%d.\n", |
|
sh->nb_refs[L0], sh->nb_refs[L1]); |
|
return AVERROR_INVALIDDATA; |
|
} |
|
|
|
sh->rpl_modification_flag[0] = 0; |
|
sh->rpl_modification_flag[1] = 0; |
|
nb_refs = ff_hevc_frame_nb_refs(s); |
|
if (!nb_refs) { |
|
av_log(s->avctx, AV_LOG_ERROR, "Zero refs for a frame with P or B slices.\n"); |
|
return AVERROR_INVALIDDATA; |
|
} |
|
|
|
if (s->ps.pps->lists_modification_present_flag && nb_refs > 1) { |
|
sh->rpl_modification_flag[0] = get_bits1(gb); |
|
if (sh->rpl_modification_flag[0]) { |
|
for (i = 0; i < sh->nb_refs[L0]; i++) |
|
sh->list_entry_lx[0][i] = get_bits(gb, av_ceil_log2(nb_refs)); |
|
} |
|
|
|
if (sh->slice_type == HEVC_SLICE_B) { |
|
sh->rpl_modification_flag[1] = get_bits1(gb); |
|
if (sh->rpl_modification_flag[1] == 1) |
|
for (i = 0; i < sh->nb_refs[L1]; i++) |
|
sh->list_entry_lx[1][i] = get_bits(gb, av_ceil_log2(nb_refs)); |
|
} |
|
} |
|
|
|
if (sh->slice_type == HEVC_SLICE_B) |
|
sh->mvd_l1_zero_flag = get_bits1(gb); |
|
|
|
if (s->ps.pps->cabac_init_present_flag) |
|
sh->cabac_init_flag = get_bits1(gb); |
|
else |
|
sh->cabac_init_flag = 0; |
|
|
|
sh->collocated_ref_idx = 0; |
|
if (sh->slice_temporal_mvp_enabled_flag) { |
|
sh->collocated_list = L0; |
|
if (sh->slice_type == HEVC_SLICE_B) |
|
sh->collocated_list = !get_bits1(gb); |
|
|
|
if (sh->nb_refs[sh->collocated_list] > 1) { |
|
sh->collocated_ref_idx = get_ue_golomb_long(gb); |
|
if (sh->collocated_ref_idx >= sh->nb_refs[sh->collocated_list]) { |
|
av_log(s->avctx, AV_LOG_ERROR, |
|
"Invalid collocated_ref_idx: %d.\n", |
|
sh->collocated_ref_idx); |
|
return AVERROR_INVALIDDATA; |
|
} |
|
} |
|
} |
|
|
|
if ((s->ps.pps->weighted_pred_flag && sh->slice_type == HEVC_SLICE_P) || |
|
(s->ps.pps->weighted_bipred_flag && sh->slice_type == HEVC_SLICE_B)) { |
|
pred_weight_table(s, gb); |
|
} |
|
|
|
sh->max_num_merge_cand = 5 - get_ue_golomb_long(gb); |
|
if (sh->max_num_merge_cand < 1 || sh->max_num_merge_cand > 5) { |
|
av_log(s->avctx, AV_LOG_ERROR, |
|
"Invalid number of merging MVP candidates: %d.\n", |
|
sh->max_num_merge_cand); |
|
return AVERROR_INVALIDDATA; |
|
} |
|
} |
|
|
|
sh->slice_qp_delta = get_se_golomb(gb); |
|
|
|
if (s->ps.pps->pic_slice_level_chroma_qp_offsets_present_flag) { |
|
sh->slice_cb_qp_offset = get_se_golomb(gb); |
|
sh->slice_cr_qp_offset = get_se_golomb(gb); |
|
} else { |
|
sh->slice_cb_qp_offset = 0; |
|
sh->slice_cr_qp_offset = 0; |
|
} |
|
|
|
if (s->ps.pps->deblocking_filter_control_present_flag) { |
|
int deblocking_filter_override_flag = 0; |
|
|
|
if (s->ps.pps->deblocking_filter_override_enabled_flag) |
|
deblocking_filter_override_flag = get_bits1(gb); |
|
|
|
if (deblocking_filter_override_flag) { |
|
sh->disable_deblocking_filter_flag = get_bits1(gb); |
|
if (!sh->disable_deblocking_filter_flag) { |
|
sh->beta_offset = get_se_golomb(gb) * 2; |
|
sh->tc_offset = get_se_golomb(gb) * 2; |
|
} |
|
} else { |
|
sh->disable_deblocking_filter_flag = s->ps.pps->disable_dbf; |
|
sh->beta_offset = s->ps.pps->beta_offset; |
|
sh->tc_offset = s->ps.pps->tc_offset; |
|
} |
|
} else { |
|
sh->disable_deblocking_filter_flag = 0; |
|
sh->beta_offset = 0; |
|
sh->tc_offset = 0; |
|
} |
|
|
|
if (s->ps.pps->seq_loop_filter_across_slices_enabled_flag && |
|
(sh->slice_sample_adaptive_offset_flag[0] || |
|
sh->slice_sample_adaptive_offset_flag[1] || |
|
!sh->disable_deblocking_filter_flag)) { |
|
sh->slice_loop_filter_across_slices_enabled_flag = get_bits1(gb); |
|
} else { |
|
sh->slice_loop_filter_across_slices_enabled_flag = s->ps.pps->seq_loop_filter_across_slices_enabled_flag; |
|
} |
|
} else if (!s->slice_initialized) { |
|
av_log(s->avctx, AV_LOG_ERROR, "Independent slice segment missing.\n"); |
|
return AVERROR_INVALIDDATA; |
|
} |
|
|
|
sh->num_entry_point_offsets = 0; |
|
if (s->ps.pps->tiles_enabled_flag || s->ps.pps->entropy_coding_sync_enabled_flag) { |
|
sh->num_entry_point_offsets = get_ue_golomb_long(gb); |
|
if (sh->num_entry_point_offsets > 0) { |
|
int offset_len = get_ue_golomb_long(gb) + 1; |
|
|
|
for (i = 0; i < sh->num_entry_point_offsets; i++) |
|
skip_bits(gb, offset_len); |
|
} |
|
} |
|
|
|
if (s->ps.pps->slice_header_extension_present_flag) { |
|
unsigned int length = get_ue_golomb_long(gb); |
|
for (i = 0; i < length; i++) |
|
skip_bits(gb, 8); // slice_header_extension_data_byte |
|
} |
|
|
|
// Inferred parameters |
|
sh->slice_qp = 26 + s->ps.pps->pic_init_qp_minus26 + sh->slice_qp_delta; |
|
if (sh->slice_qp > 51 || |
|
sh->slice_qp < -s->ps.sps->qp_bd_offset) { |
|
av_log(s->avctx, AV_LOG_ERROR, |
|
"The slice_qp %d is outside the valid range " |
|
"[%d, 51].\n", |
|
sh->slice_qp, |
|
-s->ps.sps->qp_bd_offset); |
|
return AVERROR_INVALIDDATA; |
|
} |
|
|
|
sh->slice_ctb_addr_rs = sh->slice_segment_addr; |
|
|
|
if (!s->sh.slice_ctb_addr_rs && s->sh.dependent_slice_segment_flag) { |
|
av_log(s->avctx, AV_LOG_ERROR, "Impossible slice segment.\n"); |
|
return AVERROR_INVALIDDATA; |
|
} |
|
|
|
s->HEVClc.first_qp_group = !s->sh.dependent_slice_segment_flag; |
|
|
|
if (!s->ps.pps->cu_qp_delta_enabled_flag) |
|
s->HEVClc.qp_y = FFUMOD(s->sh.slice_qp + 52 + 2 * s->ps.sps->qp_bd_offset, |
|
52 + s->ps.sps->qp_bd_offset) - s->ps.sps->qp_bd_offset; |
|
|
|
s->slice_initialized = 1; |
|
|
|
return 0; |
|
} |
|
|
|
#define CTB(tab, x, y) ((tab)[(y) * s->ps.sps->ctb_width + (x)]) |
|
|
|
#define SET_SAO(elem, value) \ |
|
do { \ |
|
if (!sao_merge_up_flag && !sao_merge_left_flag) \ |
|
sao->elem = value; \ |
|
else if (sao_merge_left_flag) \ |
|
sao->elem = CTB(s->sao, rx-1, ry).elem; \ |
|
else if (sao_merge_up_flag) \ |
|
sao->elem = CTB(s->sao, rx, ry-1).elem; \ |
|
else \ |
|
sao->elem = 0; \ |
|
} while (0) |
|
|
|
static void hls_sao_param(HEVCContext *s, int rx, int ry) |
|
{ |
|
HEVCLocalContext *lc = &s->HEVClc; |
|
int sao_merge_left_flag = 0; |
|
int sao_merge_up_flag = 0; |
|
int shift = s->ps.sps->bit_depth - FFMIN(s->ps.sps->bit_depth, 10); |
|
SAOParams *sao = &CTB(s->sao, rx, ry); |
|
int c_idx, i; |
|
|
|
if (s->sh.slice_sample_adaptive_offset_flag[0] || |
|
s->sh.slice_sample_adaptive_offset_flag[1]) { |
|
if (rx > 0) { |
|
if (lc->ctb_left_flag) |
|
sao_merge_left_flag = ff_hevc_sao_merge_flag_decode(s); |
|
} |
|
if (ry > 0 && !sao_merge_left_flag) { |
|
if (lc->ctb_up_flag) |
|
sao_merge_up_flag = ff_hevc_sao_merge_flag_decode(s); |
|
} |
|
} |
|
|
|
for (c_idx = 0; c_idx < 3; c_idx++) { |
|
if (!s->sh.slice_sample_adaptive_offset_flag[c_idx]) { |
|
sao->type_idx[c_idx] = SAO_NOT_APPLIED; |
|
continue; |
|
} |
|
|
|
if (c_idx == 2) { |
|
sao->type_idx[2] = sao->type_idx[1]; |
|
sao->eo_class[2] = sao->eo_class[1]; |
|
} else { |
|
SET_SAO(type_idx[c_idx], ff_hevc_sao_type_idx_decode(s)); |
|
} |
|
|
|
if (sao->type_idx[c_idx] == SAO_NOT_APPLIED) |
|
continue; |
|
|
|
for (i = 0; i < 4; i++) |
|
SET_SAO(offset_abs[c_idx][i], ff_hevc_sao_offset_abs_decode(s)); |
|
|
|
if (sao->type_idx[c_idx] == SAO_BAND) { |
|
for (i = 0; i < 4; i++) { |
|
if (sao->offset_abs[c_idx][i]) { |
|
SET_SAO(offset_sign[c_idx][i], |
|
ff_hevc_sao_offset_sign_decode(s)); |
|
} else { |
|
sao->offset_sign[c_idx][i] = 0; |
|
} |
|
} |
|
SET_SAO(band_position[c_idx], ff_hevc_sao_band_position_decode(s)); |
|
} else if (c_idx != 2) { |
|
SET_SAO(eo_class[c_idx], ff_hevc_sao_eo_class_decode(s)); |
|
} |
|
|
|
// Inferred parameters |
|
sao->offset_val[c_idx][0] = 0; |
|
for (i = 0; i < 4; i++) { |
|
sao->offset_val[c_idx][i + 1] = sao->offset_abs[c_idx][i] << shift; |
|
if (sao->type_idx[c_idx] == SAO_EDGE) { |
|
if (i > 1) |
|
sao->offset_val[c_idx][i + 1] = -sao->offset_val[c_idx][i + 1]; |
|
} else if (sao->offset_sign[c_idx][i]) { |
|
sao->offset_val[c_idx][i + 1] = -sao->offset_val[c_idx][i + 1]; |
|
} |
|
} |
|
} |
|
} |
|
|
|
#undef SET_SAO |
|
#undef CTB |
|
|
|
static void hls_residual_coding(HEVCContext *s, int x0, int y0, |
|
int log2_trafo_size, enum ScanType scan_idx, |
|
int c_idx) |
|
{ |
|
#define GET_COORD(offset, n) \ |
|
do { \ |
|
x_c = (scan_x_cg[offset >> 4] << 2) + scan_x_off[n]; \ |
|
y_c = (scan_y_cg[offset >> 4] << 2) + scan_y_off[n]; \ |
|
} while (0) |
|
HEVCLocalContext *lc = &s->HEVClc; |
|
int transform_skip_flag = 0; |
|
|
|
int last_significant_coeff_x, last_significant_coeff_y; |
|
int last_scan_pos; |
|
int n_end; |
|
int num_coeff = 0; |
|
int greater1_ctx = 1; |
|
|
|
int num_last_subset; |
|
int x_cg_last_sig, y_cg_last_sig; |
|
|
|
const uint8_t *scan_x_cg, *scan_y_cg, *scan_x_off, *scan_y_off; |
|
|
|
ptrdiff_t stride = s->frame->linesize[c_idx]; |
|
int hshift = s->ps.sps->hshift[c_idx]; |
|
int vshift = s->ps.sps->vshift[c_idx]; |
|
uint8_t *dst = &s->frame->data[c_idx][(y0 >> vshift) * stride + |
|
((x0 >> hshift) << s->ps.sps->pixel_shift)]; |
|
LOCAL_ALIGNED_32(int16_t, coeffs, [MAX_TB_SIZE * MAX_TB_SIZE]); |
|
LOCAL_ALIGNED_8(uint8_t, significant_coeff_group_flag, [8], [8]); |
|
|
|
int trafo_size = 1 << log2_trafo_size; |
|
int i, qp, shift, add, scale, scale_m; |
|
static const uint8_t level_scale[] = { 40, 45, 51, 57, 64, 72 }; |
|
const uint8_t *scale_matrix; |
|
uint8_t dc_scale; |
|
|
|
memset(coeffs, 0, sizeof(int16_t) * MAX_TB_SIZE * MAX_TB_SIZE); |
|
memset(significant_coeff_group_flag, 0, sizeof(uint8_t) * 8 * 8); |
|
// Derive QP for dequant |
|
if (!lc->cu.cu_transquant_bypass_flag) { |
|
static const int qp_c[] = { |
|
29, 30, 31, 32, 33, 33, 34, 34, 35, 35, 36, 36, 37, 37 |
|
}; |
|
|
|
static const uint8_t rem6[51 + 2 * 6 + 1] = { |
|
0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, |
|
3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, |
|
0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, |
|
}; |
|
|
|
static const uint8_t div6[51 + 2 * 6 + 1] = { |
|
0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 3, 3, 3, |
|
3, 3, 3, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, |
|
7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10, |
|
}; |
|
int qp_y = lc->qp_y; |
|
|
|
if (c_idx == 0) { |
|
qp = qp_y + s->ps.sps->qp_bd_offset; |
|
} else { |
|
int qp_i, offset; |
|
|
|
if (c_idx == 1) |
|
offset = s->ps.pps->cb_qp_offset + s->sh.slice_cb_qp_offset; |
|
else |
|
offset = s->ps.pps->cr_qp_offset + s->sh.slice_cr_qp_offset; |
|
|
|
qp_i = av_clip(qp_y + offset, -s->ps.sps->qp_bd_offset, 57); |
|
if (qp_i < 30) |
|
qp = qp_i; |
|
else if (qp_i > 43) |
|
qp = qp_i - 6; |
|
else |
|
qp = qp_c[qp_i - 30]; |
|
|
|
qp += s->ps.sps->qp_bd_offset; |
|
} |
|
|
|
shift = s->ps.sps->bit_depth + log2_trafo_size - 5; |
|
add = 1 << (shift - 1); |
|
scale = level_scale[rem6[qp]] << (div6[qp]); |
|
scale_m = 16; // default when no custom scaling lists. |
|
dc_scale = 16; |
|
|
|
if (s->ps.sps->scaling_list_enable_flag) { |
|
const ScalingList *sl = s->ps.pps->scaling_list_data_present_flag ? |
|
&s->ps.pps->scaling_list : &s->ps.sps->scaling_list; |
|
int matrix_id = lc->cu.pred_mode != MODE_INTRA; |
|
|
|
if (log2_trafo_size != 5) |
|
matrix_id = 3 * matrix_id + c_idx; |
|
|
|
scale_matrix = sl->sl[log2_trafo_size - 2][matrix_id]; |
|
if (log2_trafo_size >= 4) |
|
dc_scale = sl->sl_dc[log2_trafo_size - 4][matrix_id]; |
|
} |
|
} |
|
|
|
if (s->ps.pps->transform_skip_enabled_flag && |
|
!lc->cu.cu_transquant_bypass_flag && |
|
log2_trafo_size == 2) { |
|
transform_skip_flag = ff_hevc_transform_skip_flag_decode(s, c_idx); |
|
} |
|
|
|
last_significant_coeff_x = |
|
ff_hevc_last_significant_coeff_x_prefix_decode(s, c_idx, log2_trafo_size); |
|
last_significant_coeff_y = |
|
ff_hevc_last_significant_coeff_y_prefix_decode(s, c_idx, log2_trafo_size); |
|
|
|
if (last_significant_coeff_x > 3) { |
|
int suffix = ff_hevc_last_significant_coeff_suffix_decode(s, last_significant_coeff_x); |
|
last_significant_coeff_x = (1 << ((last_significant_coeff_x >> 1) - 1)) * |
|
(2 + (last_significant_coeff_x & 1)) + |
|
suffix; |
|
} |
|
|
|
if (last_significant_coeff_y > 3) { |
|
int suffix = ff_hevc_last_significant_coeff_suffix_decode(s, last_significant_coeff_y); |
|
last_significant_coeff_y = (1 << ((last_significant_coeff_y >> 1) - 1)) * |
|
(2 + (last_significant_coeff_y & 1)) + |
|
suffix; |
|
} |
|
|
|
if (scan_idx == SCAN_VERT) |
|
FFSWAP(int, last_significant_coeff_x, last_significant_coeff_y); |
|
|
|
x_cg_last_sig = last_significant_coeff_x >> 2; |
|
y_cg_last_sig = last_significant_coeff_y >> 2; |
|
|
|
switch (scan_idx) { |
|
case SCAN_DIAG: { |
|
int last_x_c = last_significant_coeff_x & 3; |
|
int last_y_c = last_significant_coeff_y & 3; |
|
|
|
scan_x_off = ff_hevc_diag_scan4x4_x; |
|
scan_y_off = ff_hevc_diag_scan4x4_y; |
|
num_coeff = diag_scan4x4_inv[last_y_c][last_x_c]; |
|
if (trafo_size == 4) { |
|
scan_x_cg = scan_1x1; |
|
scan_y_cg = scan_1x1; |
|
} else if (trafo_size == 8) { |
|
num_coeff += diag_scan2x2_inv[y_cg_last_sig][x_cg_last_sig] << 4; |
|
scan_x_cg = diag_scan2x2_x; |
|
scan_y_cg = diag_scan2x2_y; |
|
} else if (trafo_size == 16) { |
|
num_coeff += diag_scan4x4_inv[y_cg_last_sig][x_cg_last_sig] << 4; |
|
scan_x_cg = ff_hevc_diag_scan4x4_x; |
|
scan_y_cg = ff_hevc_diag_scan4x4_y; |
|
} else { // trafo_size == 32 |
|
num_coeff += diag_scan8x8_inv[y_cg_last_sig][x_cg_last_sig] << 4; |
|
scan_x_cg = ff_hevc_diag_scan8x8_x; |
|
scan_y_cg = ff_hevc_diag_scan8x8_y; |
|
} |
|
break; |
|
} |
|
case SCAN_HORIZ: |
|
scan_x_cg = horiz_scan2x2_x; |
|
scan_y_cg = horiz_scan2x2_y; |
|
scan_x_off = horiz_scan4x4_x; |
|
scan_y_off = horiz_scan4x4_y; |
|
num_coeff = horiz_scan8x8_inv[last_significant_coeff_y][last_significant_coeff_x]; |
|
break; |
|
default: //SCAN_VERT |
|
scan_x_cg = horiz_scan2x2_y; |
|
scan_y_cg = horiz_scan2x2_x; |
|
scan_x_off = horiz_scan4x4_y; |
|
scan_y_off = horiz_scan4x4_x; |
|
num_coeff = horiz_scan8x8_inv[last_significant_coeff_x][last_significant_coeff_y]; |
|
break; |
|
} |
|
num_coeff++; |
|
num_last_subset = (num_coeff - 1) >> 4; |
|
|
|
for (i = num_last_subset; i >= 0; i--) { |
|
int n, m; |
|
int x_cg, y_cg, x_c, y_c; |
|
int implicit_non_zero_coeff = 0; |
|
int64_t trans_coeff_level; |
|
int prev_sig = 0; |
|
int offset = i << 4; |
|
|
|
uint8_t significant_coeff_flag_idx[16]; |
|
uint8_t nb_significant_coeff_flag = 0; |
|
|
|
x_cg = scan_x_cg[i]; |
|
y_cg = scan_y_cg[i]; |
|
|
|
if (i < num_last_subset && i > 0) { |
|
int ctx_cg = 0; |
|
if (x_cg < (1 << (log2_trafo_size - 2)) - 1) |
|
ctx_cg += significant_coeff_group_flag[x_cg + 1][y_cg]; |
|
if (y_cg < (1 << (log2_trafo_size - 2)) - 1) |
|
ctx_cg += significant_coeff_group_flag[x_cg][y_cg + 1]; |
|
|
|
significant_coeff_group_flag[x_cg][y_cg] = |
|
ff_hevc_significant_coeff_group_flag_decode(s, c_idx, ctx_cg); |
|
implicit_non_zero_coeff = 1; |
|
} else { |
|
significant_coeff_group_flag[x_cg][y_cg] = |
|
((x_cg == x_cg_last_sig && y_cg == y_cg_last_sig) || |
|
(x_cg == 0 && y_cg == 0)); |
|
} |
|
|
|
last_scan_pos = num_coeff - offset - 1; |
|
|
|
if (i == num_last_subset) { |
|
n_end = last_scan_pos - 1; |
|
significant_coeff_flag_idx[0] = last_scan_pos; |
|
nb_significant_coeff_flag = 1; |
|
} else { |
|
n_end = 15; |
|
} |
|
|
|
if (x_cg < ((1 << log2_trafo_size) - 1) >> 2) |
|
prev_sig = significant_coeff_group_flag[x_cg + 1][y_cg]; |
|
if (y_cg < ((1 << log2_trafo_size) - 1) >> 2) |
|
prev_sig += significant_coeff_group_flag[x_cg][y_cg + 1] << 1; |
|
|
|
for (n = n_end; n >= 0; n--) { |
|
GET_COORD(offset, n); |
|
|
|
if (significant_coeff_group_flag[x_cg][y_cg] && |
|
(n > 0 || implicit_non_zero_coeff == 0)) { |
|
if (ff_hevc_significant_coeff_flag_decode(s, c_idx, x_c, y_c, |
|
log2_trafo_size, |
|
scan_idx, |
|
prev_sig) == 1) { |
|
significant_coeff_flag_idx[nb_significant_coeff_flag] = n; |
|
nb_significant_coeff_flag++; |
|
implicit_non_zero_coeff = 0; |
|
} |
|
} else { |
|
int last_cg = (x_c == (x_cg << 2) && y_c == (y_cg << 2)); |
|
if (last_cg && implicit_non_zero_coeff && significant_coeff_group_flag[x_cg][y_cg]) { |
|
significant_coeff_flag_idx[nb_significant_coeff_flag] = n; |
|
nb_significant_coeff_flag++; |
|
} |
|
} |
|
} |
|
|
|
n_end = nb_significant_coeff_flag; |
|
|
|
if (n_end) { |
|
int first_nz_pos_in_cg = 16; |
|
int last_nz_pos_in_cg = -1; |
|
int c_rice_param = 0; |
|
int first_greater1_coeff_idx = -1; |
|
uint8_t coeff_abs_level_greater1_flag[16] = { 0 }; |
|
uint16_t coeff_sign_flag; |
|
int sum_abs = 0; |
|
int sign_hidden = 0; |
|
|
|
// initialize first elem of coeff_bas_level_greater1_flag |
|
int ctx_set = (i > 0 && c_idx == 0) ? 2 : 0; |
|
|
|
if (!(i == num_last_subset) && greater1_ctx == 0) |
|
ctx_set++; |
|
greater1_ctx = 1; |
|
last_nz_pos_in_cg = significant_coeff_flag_idx[0]; |
|
|
|
for (m = 0; m < (n_end > 8 ? 8 : n_end); m++) { |
|
int n_idx = significant_coeff_flag_idx[m]; |
|
int inc = (ctx_set << 2) + greater1_ctx; |
|
coeff_abs_level_greater1_flag[n_idx] = |
|
ff_hevc_coeff_abs_level_greater1_flag_decode(s, c_idx, inc); |
|
if (coeff_abs_level_greater1_flag[n_idx]) { |
|
greater1_ctx = 0; |
|
} else if (greater1_ctx > 0 && greater1_ctx < 3) { |
|
greater1_ctx++; |
|
} |
|
|
|
if (coeff_abs_level_greater1_flag[n_idx] && |
|
first_greater1_coeff_idx == -1) |
|
first_greater1_coeff_idx = n_idx; |
|
} |
|
first_nz_pos_in_cg = significant_coeff_flag_idx[n_end - 1]; |
|
sign_hidden = last_nz_pos_in_cg - first_nz_pos_in_cg >= 4 && |
|
!lc->cu.cu_transquant_bypass_flag; |
|
|
|
if (first_greater1_coeff_idx != -1) { |
|
coeff_abs_level_greater1_flag[first_greater1_coeff_idx] += ff_hevc_coeff_abs_level_greater2_flag_decode(s, c_idx, ctx_set); |
|
} |
|
if (!s->ps.pps->sign_data_hiding_flag || !sign_hidden) { |
|
coeff_sign_flag = ff_hevc_coeff_sign_flag(s, nb_significant_coeff_flag) << (16 - nb_significant_coeff_flag); |
|
} else { |
|
coeff_sign_flag = ff_hevc_coeff_sign_flag(s, nb_significant_coeff_flag - 1) << (16 - (nb_significant_coeff_flag - 1)); |
|
} |
|
|
|
for (m = 0; m < n_end; m++) { |
|
n = significant_coeff_flag_idx[m]; |
|
GET_COORD(offset, n); |
|
trans_coeff_level = 1 + coeff_abs_level_greater1_flag[n]; |
|
if (trans_coeff_level == ((m < 8) ? |
|
((n == first_greater1_coeff_idx) ? 3 : 2) : 1)) { |
|
trans_coeff_level += ff_hevc_coeff_abs_level_remaining(s, trans_coeff_level, c_rice_param); |
|
if ((trans_coeff_level) > (3 * (1 << c_rice_param))) |
|
c_rice_param = FFMIN(c_rice_param + 1, 4); |
|
} |
|
if (s->ps.pps->sign_data_hiding_flag && sign_hidden) { |
|
sum_abs += trans_coeff_level; |
|
if (n == first_nz_pos_in_cg && ((sum_abs & 1) == 1)) |
|
trans_coeff_level = -trans_coeff_level; |
|
} |
|
if (coeff_sign_flag >> 15) |
|
trans_coeff_level = -trans_coeff_level; |
|
coeff_sign_flag <<= 1; |
|
if (!lc->cu.cu_transquant_bypass_flag) { |
|
if (s->ps.sps->scaling_list_enable_flag) { |
|
if (y_c || x_c || log2_trafo_size < 4) { |
|
int pos; |
|
switch (log2_trafo_size) { |
|
case 3: pos = (y_c << 3) + x_c; break; |
|
case 4: pos = ((y_c >> 1) << 3) + (x_c >> 1); break; |
|
case 5: pos = ((y_c >> 2) << 3) + (x_c >> 2); break; |
|
default: pos = (y_c << 2) + x_c; |
|
} |
|
scale_m = scale_matrix[pos]; |
|
} else { |
|
scale_m = dc_scale; |
|
} |
|
} |
|
trans_coeff_level = (trans_coeff_level * (int64_t)scale * (int64_t)scale_m + add) >> shift; |
|
if(trans_coeff_level < 0) { |
|
if((~trans_coeff_level) & 0xFffffffffff8000) |
|
trans_coeff_level = -32768; |
|
} else { |
|
if (trans_coeff_level & 0xffffffffffff8000) |
|
trans_coeff_level = 32767; |
|
} |
|
} |
|
coeffs[y_c * trafo_size + x_c] = trans_coeff_level; |
|
} |
|
} |
|
} |
|
|
|
if (!lc->cu.cu_transquant_bypass_flag) { |
|
if (transform_skip_flag) |
|
s->hevcdsp.dequant(coeffs); |
|
else if (lc->cu.pred_mode == MODE_INTRA && c_idx == 0 && |
|
log2_trafo_size == 2) |
|
s->hevcdsp.transform_4x4_luma(coeffs); |
|
else { |
|
int max_xy = FFMAX(last_significant_coeff_x, last_significant_coeff_y); |
|
if (max_xy == 0) |
|
s->hevcdsp.idct_dc[log2_trafo_size - 2](coeffs); |
|
else { |
|
int col_limit = last_significant_coeff_x + last_significant_coeff_y + 4; |
|
if (max_xy < 4) |
|
col_limit = FFMIN(4, col_limit); |
|
else if (max_xy < 8) |
|
col_limit = FFMIN(8, col_limit); |
|
else if (max_xy < 12) |
|
col_limit = FFMIN(24, col_limit); |
|
s->hevcdsp.idct[log2_trafo_size - 2](coeffs, col_limit); |
|
} |
|
} |
|
} |
|
s->hevcdsp.add_residual[log2_trafo_size - 2](dst, coeffs, stride); |
|
} |
|
|
|
static int hls_transform_unit(HEVCContext *s, int x0, int y0, |
|
int xBase, int yBase, int cb_xBase, int cb_yBase, |
|
int log2_cb_size, int log2_trafo_size, |
|
int blk_idx, int cbf_luma, int cbf_cb, int cbf_cr) |
|
{ |
|
HEVCLocalContext *lc = &s->HEVClc; |
|
|
|
if (lc->cu.pred_mode == MODE_INTRA) { |
|
int trafo_size = 1 << log2_trafo_size; |
|
ff_hevc_set_neighbour_available(s, x0, y0, trafo_size, trafo_size); |
|
|
|
s->hpc.intra_pred[log2_trafo_size - 2](s, x0, y0, 0); |
|
if (log2_trafo_size > 2) { |
|
trafo_size = trafo_size << (s->ps.sps->hshift[1] - 1); |
|
ff_hevc_set_neighbour_available(s, x0, y0, trafo_size, trafo_size); |
|
s->hpc.intra_pred[log2_trafo_size - 3](s, x0, y0, 1); |
|
s->hpc.intra_pred[log2_trafo_size - 3](s, x0, y0, 2); |
|
} else if (blk_idx == 3) { |
|
trafo_size = trafo_size << s->ps.sps->hshift[1]; |
|
ff_hevc_set_neighbour_available(s, xBase, yBase, |
|
trafo_size, trafo_size); |
|
s->hpc.intra_pred[log2_trafo_size - 2](s, xBase, yBase, 1); |
|
s->hpc.intra_pred[log2_trafo_size - 2](s, xBase, yBase, 2); |
|
} |
|
} |
|
|
|
if (cbf_luma || cbf_cb || cbf_cr) { |
|
int scan_idx = SCAN_DIAG; |
|
int scan_idx_c = SCAN_DIAG; |
|
|
|
if (s->ps.pps->cu_qp_delta_enabled_flag && !lc->tu.is_cu_qp_delta_coded) { |
|
lc->tu.cu_qp_delta = ff_hevc_cu_qp_delta_abs(s); |
|
if (lc->tu.cu_qp_delta != 0) |
|
if (ff_hevc_cu_qp_delta_sign_flag(s) == 1) |
|
lc->tu.cu_qp_delta = -lc->tu.cu_qp_delta; |
|
lc->tu.is_cu_qp_delta_coded = 1; |
|
|
|
if (lc->tu.cu_qp_delta < -(26 + s->ps.sps->qp_bd_offset / 2) || |
|
lc->tu.cu_qp_delta > (25 + s->ps.sps->qp_bd_offset / 2)) { |
|
av_log(s->avctx, AV_LOG_ERROR, |
|
"The cu_qp_delta %d is outside the valid range " |
|
"[%d, %d].\n", |
|
lc->tu.cu_qp_delta, |
|
-(26 + s->ps.sps->qp_bd_offset / 2), |
|
(25 + s->ps.sps->qp_bd_offset / 2)); |
|
return AVERROR_INVALIDDATA; |
|
} |
|
|
|
ff_hevc_set_qPy(s, x0, y0, cb_xBase, cb_yBase, log2_cb_size); |
|
} |
|
|
|
if (lc->cu.pred_mode == MODE_INTRA && log2_trafo_size < 4) { |
|
if (lc->tu.cur_intra_pred_mode >= 6 && |
|
lc->tu.cur_intra_pred_mode <= 14) { |
|
scan_idx = SCAN_VERT; |
|
} else if (lc->tu.cur_intra_pred_mode >= 22 && |
|
lc->tu.cur_intra_pred_mode <= 30) { |
|
scan_idx = SCAN_HORIZ; |
|
} |
|
|
|
if (lc->pu.intra_pred_mode_c >= 6 && |
|
lc->pu.intra_pred_mode_c <= 14) { |
|
scan_idx_c = SCAN_VERT; |
|
} else if (lc->pu.intra_pred_mode_c >= 22 && |
|
lc->pu.intra_pred_mode_c <= 30) { |
|
scan_idx_c = SCAN_HORIZ; |
|
} |
|
} |
|
|
|
if (cbf_luma) |
|
hls_residual_coding(s, x0, y0, log2_trafo_size, scan_idx, 0); |
|
if (log2_trafo_size > 2) { |
|
if (cbf_cb) |
|
hls_residual_coding(s, x0, y0, log2_trafo_size - 1, scan_idx_c, 1); |
|
if (cbf_cr) |
|
hls_residual_coding(s, x0, y0, log2_trafo_size - 1, scan_idx_c, 2); |
|
} else if (blk_idx == 3) { |
|
if (cbf_cb) |
|
hls_residual_coding(s, xBase, yBase, log2_trafo_size, scan_idx_c, 1); |
|
if (cbf_cr) |
|
hls_residual_coding(s, xBase, yBase, log2_trafo_size, scan_idx_c, 2); |
|
} |
|
} |
|
return 0; |
|
} |
|
|
|
static void set_deblocking_bypass(HEVCContext *s, int x0, int y0, int log2_cb_size) |
|
{ |
|
int cb_size = 1 << log2_cb_size; |
|
int log2_min_pu_size = s->ps.sps->log2_min_pu_size; |
|
|
|
int min_pu_width = s->ps.sps->min_pu_width; |
|
int x_end = FFMIN(x0 + cb_size, s->ps.sps->width); |
|
int y_end = FFMIN(y0 + cb_size, s->ps.sps->height); |
|
int i, j; |
|
|
|
for (j = (y0 >> log2_min_pu_size); j < (y_end >> log2_min_pu_size); j++) |
|
for (i = (x0 >> log2_min_pu_size); i < (x_end >> log2_min_pu_size); i++) |
|
s->is_pcm[i + j * min_pu_width] = 2; |
|
} |
|
|
|
static int hls_transform_tree(HEVCContext *s, int x0, int y0, |
|
int xBase, int yBase, int cb_xBase, int cb_yBase, |
|
int log2_cb_size, int log2_trafo_size, |
|
int trafo_depth, int blk_idx, |
|
int cbf_cb, int cbf_cr) |
|
{ |
|
HEVCLocalContext *lc = &s->HEVClc; |
|
uint8_t split_transform_flag; |
|
int ret; |
|
|
|
if (lc->cu.intra_split_flag) { |
|
if (trafo_depth == 1) |
|
lc->tu.cur_intra_pred_mode = lc->pu.intra_pred_mode[blk_idx]; |
|
} else { |
|
lc->tu.cur_intra_pred_mode = lc->pu.intra_pred_mode[0]; |
|
} |
|
|
|
if (log2_trafo_size <= s->ps.sps->log2_max_trafo_size && |
|
log2_trafo_size > s->ps.sps->log2_min_tb_size && |
|
trafo_depth < lc->cu.max_trafo_depth && |
|
!(lc->cu.intra_split_flag && trafo_depth == 0)) { |
|
split_transform_flag = ff_hevc_split_transform_flag_decode(s, log2_trafo_size); |
|
} else { |
|
int inter_split = s->ps.sps->max_transform_hierarchy_depth_inter == 0 && |
|
lc->cu.pred_mode == MODE_INTER && |
|
lc->cu.part_mode != PART_2Nx2N && |
|
trafo_depth == 0; |
|
|
|
split_transform_flag = log2_trafo_size > s->ps.sps->log2_max_trafo_size || |
|
(lc->cu.intra_split_flag && trafo_depth == 0) || |
|
inter_split; |
|
} |
|
|
|
if (log2_trafo_size > 2 && (trafo_depth == 0 || cbf_cb)) |
|
cbf_cb = ff_hevc_cbf_cb_cr_decode(s, trafo_depth); |
|
else if (log2_trafo_size > 2 || trafo_depth == 0) |
|
cbf_cb = 0; |
|
if (log2_trafo_size > 2 && (trafo_depth == 0 || cbf_cr)) |
|
cbf_cr = ff_hevc_cbf_cb_cr_decode(s, trafo_depth); |
|
else if (log2_trafo_size > 2 || trafo_depth == 0) |
|
cbf_cr = 0; |
|
|
|
if (split_transform_flag) { |
|
const int trafo_size_split = 1 << (log2_trafo_size - 1); |
|
const int x1 = x0 + trafo_size_split; |
|
const int y1 = y0 + trafo_size_split; |
|
|
|
#define SUBDIVIDE(x, y, idx) \ |
|
do { \ |
|
ret = hls_transform_tree(s, x, y, x0, y0, cb_xBase, cb_yBase, log2_cb_size, \ |
|
log2_trafo_size - 1, trafo_depth + 1, idx, \ |
|
cbf_cb, cbf_cr); \ |
|
if (ret < 0) \ |
|
return ret; \ |
|
} while (0) |
|
|
|
SUBDIVIDE(x0, y0, 0); |
|
SUBDIVIDE(x1, y0, 1); |
|
SUBDIVIDE(x0, y1, 2); |
|
SUBDIVIDE(x1, y1, 3); |
|
|
|
#undef SUBDIVIDE |
|
} else { |
|
int min_tu_size = 1 << s->ps.sps->log2_min_tb_size; |
|
int log2_min_tu_size = s->ps.sps->log2_min_tb_size; |
|
int min_tu_width = s->ps.sps->min_tb_width; |
|
int cbf_luma = 1; |
|
|
|
if (lc->cu.pred_mode == MODE_INTRA || trafo_depth != 0 || |
|
cbf_cb || cbf_cr) |
|
cbf_luma = ff_hevc_cbf_luma_decode(s, trafo_depth); |
|
|
|
ret = hls_transform_unit(s, x0, y0, xBase, yBase, cb_xBase, cb_yBase, |
|
log2_cb_size, log2_trafo_size, |
|
blk_idx, cbf_luma, cbf_cb, cbf_cr); |
|
if (ret < 0) |
|
return ret; |
|
// TODO: store cbf_luma somewhere else |
|
if (cbf_luma) { |
|
int i, j; |
|
for (i = 0; i < (1 << log2_trafo_size); i += min_tu_size) |
|
for (j = 0; j < (1 << log2_trafo_size); j += min_tu_size) { |
|
int x_tu = (x0 + j) >> log2_min_tu_size; |
|
int y_tu = (y0 + i) >> log2_min_tu_size; |
|
s->cbf_luma[y_tu * min_tu_width + x_tu] = 1; |
|
} |
|
} |
|
if (!s->sh.disable_deblocking_filter_flag) { |
|
ff_hevc_deblocking_boundary_strengths(s, x0, y0, log2_trafo_size); |
|
if (s->ps.pps->transquant_bypass_enable_flag && |
|
lc->cu.cu_transquant_bypass_flag) |
|
set_deblocking_bypass(s, x0, y0, log2_trafo_size); |
|
} |
|
} |
|
return 0; |
|
} |
|
|
|
static int hls_pcm_sample(HEVCContext *s, int x0, int y0, int log2_cb_size) |
|
{ |
|
//TODO: non-4:2:0 support |
|
HEVCLocalContext *lc = &s->HEVClc; |
|
GetBitContext gb; |
|
int cb_size = 1 << log2_cb_size; |
|
ptrdiff_t stride0 = s->frame->linesize[0]; |
|
ptrdiff_t stride1 = s->frame->linesize[1]; |
|
ptrdiff_t stride2 = s->frame->linesize[2]; |
|
uint8_t *dst0 = &s->frame->data[0][y0 * stride0 + (x0 << s->ps.sps->pixel_shift)]; |
|
uint8_t *dst1 = &s->frame->data[1][(y0 >> s->ps.sps->vshift[1]) * stride1 + ((x0 >> s->ps.sps->hshift[1]) << s->ps.sps->pixel_shift)]; |
|
uint8_t *dst2 = &s->frame->data[2][(y0 >> s->ps.sps->vshift[2]) * stride2 + ((x0 >> s->ps.sps->hshift[2]) << s->ps.sps->pixel_shift)]; |
|
|
|
int length = cb_size * cb_size * s->ps.sps->pcm.bit_depth + ((cb_size * cb_size) >> 1) * s->ps.sps->pcm.bit_depth_chroma; |
|
const uint8_t *pcm = skip_bytes(&lc->cc, (length + 7) >> 3); |
|
int ret; |
|
|
|
if (!s->sh.disable_deblocking_filter_flag) |
|
ff_hevc_deblocking_boundary_strengths(s, x0, y0, log2_cb_size); |
|
|
|
ret = init_get_bits(&gb, pcm, length); |
|
if (ret < 0) |
|
return ret; |
|
|
|
s->hevcdsp.put_pcm(dst0, stride0, cb_size, &gb, s->ps.sps->pcm.bit_depth); |
|
s->hevcdsp.put_pcm(dst1, stride1, cb_size / 2, &gb, s->ps.sps->pcm.bit_depth_chroma); |
|
s->hevcdsp.put_pcm(dst2, stride2, cb_size / 2, &gb, s->ps.sps->pcm.bit_depth_chroma); |
|
return 0; |
|
} |
|
|
|
static void hls_mvd_coding(HEVCContext *s, int x0, int y0, int log2_cb_size) |
|
{ |
|
HEVCLocalContext *lc = &s->HEVClc; |
|
int x = ff_hevc_abs_mvd_greater0_flag_decode(s); |
|
int y = ff_hevc_abs_mvd_greater0_flag_decode(s); |
|
|
|
if (x) |
|
x += ff_hevc_abs_mvd_greater1_flag_decode(s); |
|
if (y) |
|
y += ff_hevc_abs_mvd_greater1_flag_decode(s); |
|
|
|
switch (x) { |
|
case 2: lc->pu.mvd.x = ff_hevc_mvd_decode(s); break; |
|
case 1: lc->pu.mvd.x = ff_hevc_mvd_sign_flag_decode(s); break; |
|
case 0: lc->pu.mvd.x = 0; break; |
|
} |
|
|
|
switch (y) { |
|
case 2: lc->pu.mvd.y = ff_hevc_mvd_decode(s); break; |
|
case 1: lc->pu.mvd.y = ff_hevc_mvd_sign_flag_decode(s); break; |
|
case 0: lc->pu.mvd.y = 0; break; |
|
} |
|
} |
|
|
|
/** |
|
* 8.5.3.2.2.1 Luma sample interpolation process |
|
* |
|
* @param s HEVC decoding context |
|
* @param dst target buffer for block data at block position |
|
* @param dststride stride of the dst buffer |
|
* @param ref reference picture buffer at origin (0, 0) |
|
* @param mv motion vector (relative to block position) to get pixel data from |
|
* @param x_off horizontal position of block from origin (0, 0) |
|
* @param y_off vertical position of block from origin (0, 0) |
|
* @param block_w width of block |
|
* @param block_h height of block |
|
*/ |
|
static void luma_mc(HEVCContext *s, int16_t *dst, ptrdiff_t dststride, |
|
AVFrame *ref, const Mv *mv, int x_off, int y_off, |
|
int block_w, int block_h, int pred_idx) |
|
{ |
|
HEVCLocalContext *lc = &s->HEVClc; |
|
uint8_t *src = ref->data[0]; |
|
ptrdiff_t srcstride = ref->linesize[0]; |
|
int pic_width = s->ps.sps->width; |
|
int pic_height = s->ps.sps->height; |
|
|
|
int mx = mv->x & 3; |
|
int my = mv->y & 3; |
|
int extra_left = ff_hevc_qpel_extra_before[mx]; |
|
int extra_top = ff_hevc_qpel_extra_before[my]; |
|
|
|
x_off += mv->x >> 2; |
|
y_off += mv->y >> 2; |
|
src += y_off * srcstride + (x_off * (1 << s->ps.sps->pixel_shift)); |
|
|
|
if (x_off < extra_left || y_off < extra_top || |
|
x_off >= pic_width - block_w - ff_hevc_qpel_extra_after[mx] || |
|
y_off >= pic_height - block_h - ff_hevc_qpel_extra_after[my]) { |
|
const ptrdiff_t edge_emu_stride = EDGE_EMU_BUFFER_STRIDE << s->ps.sps->pixel_shift; |
|
int offset = extra_top * srcstride + (extra_left << s->ps.sps->pixel_shift); |
|
int buf_offset = extra_top * |
|
edge_emu_stride + (extra_left << s->ps.sps->pixel_shift); |
|
|
|
s->vdsp.emulated_edge_mc(lc->edge_emu_buffer, src - offset, |
|
edge_emu_stride, srcstride, |
|
block_w + ff_hevc_qpel_extra[mx], |
|
block_h + ff_hevc_qpel_extra[my], |
|
x_off - extra_left, y_off - extra_top, |
|
pic_width, pic_height); |
|
src = lc->edge_emu_buffer + buf_offset; |
|
srcstride = edge_emu_stride; |
|
} |
|
s->hevcdsp.put_hevc_qpel[!!my][!!mx][pred_idx](dst, dststride, src, srcstride, |
|
block_h, mx, my, lc->mc_buffer); |
|
} |
|
|
|
/** |
|
* 8.5.3.2.2.2 Chroma sample interpolation process |
|
* |
|
* @param s HEVC decoding context |
|
* @param dst1 target buffer for block data at block position (U plane) |
|
* @param dst2 target buffer for block data at block position (V plane) |
|
* @param dststride stride of the dst1 and dst2 buffers |
|
* @param ref reference picture buffer at origin (0, 0) |
|
* @param mv motion vector (relative to block position) to get pixel data from |
|
* @param x_off horizontal position of block from origin (0, 0) |
|
* @param y_off vertical position of block from origin (0, 0) |
|
* @param block_w width of block |
|
* @param block_h height of block |
|
*/ |
|
static void chroma_mc(HEVCContext *s, int16_t *dst1, int16_t *dst2, |
|
ptrdiff_t dststride, AVFrame *ref, const Mv *mv, |
|
int x_off, int y_off, int block_w, int block_h, int pred_idx) |
|
{ |
|
HEVCLocalContext *lc = &s->HEVClc; |
|
uint8_t *src1 = ref->data[1]; |
|
uint8_t *src2 = ref->data[2]; |
|
ptrdiff_t src1stride = ref->linesize[1]; |
|
ptrdiff_t src2stride = ref->linesize[2]; |
|
int pic_width = s->ps.sps->width >> 1; |
|
int pic_height = s->ps.sps->height >> 1; |
|
|
|
int mx = mv->x & 7; |
|
int my = mv->y & 7; |
|
|
|
x_off += mv->x >> 3; |
|
y_off += mv->y >> 3; |
|
src1 += y_off * src1stride + (x_off * (1 << s->ps.sps->pixel_shift)); |
|
src2 += y_off * src2stride + (x_off * (1 << s->ps.sps->pixel_shift)); |
|
|
|
if (x_off < EPEL_EXTRA_BEFORE || y_off < EPEL_EXTRA_AFTER || |
|
x_off >= pic_width - block_w - EPEL_EXTRA_AFTER || |
|
y_off >= pic_height - block_h - EPEL_EXTRA_AFTER) { |
|
const ptrdiff_t edge_emu_stride = EDGE_EMU_BUFFER_STRIDE << s->ps.sps->pixel_shift; |
|
int offset1 = EPEL_EXTRA_BEFORE * (src1stride + (1 << s->ps.sps->pixel_shift)); |
|
int buf_offset1 = EPEL_EXTRA_BEFORE * |
|
(edge_emu_stride + (1 << s->ps.sps->pixel_shift)); |
|
int offset2 = EPEL_EXTRA_BEFORE * (src2stride + (1 << s->ps.sps->pixel_shift)); |
|
int buf_offset2 = EPEL_EXTRA_BEFORE * |
|
(edge_emu_stride + (1 << s->ps.sps->pixel_shift)); |
|
|
|
s->vdsp.emulated_edge_mc(lc->edge_emu_buffer, src1 - offset1, |
|
edge_emu_stride, src1stride, |
|
block_w + EPEL_EXTRA, block_h + EPEL_EXTRA, |
|
x_off - EPEL_EXTRA_BEFORE, |
|
y_off - EPEL_EXTRA_BEFORE, |
|
pic_width, pic_height); |
|
|
|
src1 = lc->edge_emu_buffer + buf_offset1; |
|
src1stride = edge_emu_stride; |
|
s->hevcdsp.put_hevc_epel[!!my][!!mx][pred_idx](dst1, dststride, src1, src1stride, |
|
block_h, mx, my, lc->mc_buffer); |
|
|
|
s->vdsp.emulated_edge_mc(lc->edge_emu_buffer, src2 - offset2, |
|
edge_emu_stride, src2stride, |
|
block_w + EPEL_EXTRA, block_h + EPEL_EXTRA, |
|
x_off - EPEL_EXTRA_BEFORE, |
|
y_off - EPEL_EXTRA_BEFORE, |
|
pic_width, pic_height); |
|
src2 = lc->edge_emu_buffer + buf_offset2; |
|
src2stride = edge_emu_stride; |
|
|
|
s->hevcdsp.put_hevc_epel[!!my][!!mx][pred_idx](dst2, dststride, src2, src2stride, |
|
block_h, mx, my, lc->mc_buffer); |
|
} else { |
|
s->hevcdsp.put_hevc_epel[!!my][!!mx][pred_idx](dst1, dststride, src1, src1stride, |
|
block_h, mx, my, lc->mc_buffer); |
|
s->hevcdsp.put_hevc_epel[!!my][!!mx][pred_idx](dst2, dststride, src2, src2stride, |
|
block_h, mx, my, lc->mc_buffer); |
|
} |
|
} |
|
|
|
static void hevc_await_progress(HEVCContext *s, HEVCFrame *ref, |
|
const Mv *mv, int y0, int height) |
|
{ |
|
int y = (mv->y >> 2) + y0 + height + 9; |
|
ff_thread_await_progress(&ref->tf, y, 0); |
|
} |
|
|
|
static void hevc_luma_mv_mpv_mode(HEVCContext *s, int x0, int y0, int nPbW, |
|
int nPbH, int log2_cb_size, int part_idx, |
|
int merge_idx, MvField *mv) |
|
{ |
|
HEVCLocalContext *lc = &s->HEVClc; |
|
enum InterPredIdc inter_pred_idc = PRED_L0; |
|
int mvp_flag; |
|
|
|
ff_hevc_set_neighbour_available(s, x0, y0, nPbW, nPbH); |
|
if (s->sh.slice_type == HEVC_SLICE_B) |
|
inter_pred_idc = ff_hevc_inter_pred_idc_decode(s, nPbW, nPbH); |
|
|
|
if (inter_pred_idc != PRED_L1) { |
|
if (s->sh.nb_refs[L0]) |
|
mv->ref_idx[0]= ff_hevc_ref_idx_lx_decode(s, s->sh.nb_refs[L0]); |
|
|
|
mv->pred_flag[0] = 1; |
|
hls_mvd_coding(s, x0, y0, 0); |
|
mvp_flag = ff_hevc_mvp_lx_flag_decode(s); |
|
ff_hevc_luma_mv_mvp_mode(s, x0, y0, nPbW, nPbH, log2_cb_size, |
|
part_idx, merge_idx, mv, mvp_flag, 0); |
|
mv->mv[0].x += lc->pu.mvd.x; |
|
mv->mv[0].y += lc->pu.mvd.y; |
|
} |
|
|
|
if (inter_pred_idc != PRED_L0) { |
|
if (s->sh.nb_refs[L1]) |
|
mv->ref_idx[1]= ff_hevc_ref_idx_lx_decode(s, s->sh.nb_refs[L1]); |
|
|
|
if (s->sh.mvd_l1_zero_flag == 1 && inter_pred_idc == PRED_BI) { |
|
AV_ZERO32(&lc->pu.mvd); |
|
} else { |
|
hls_mvd_coding(s, x0, y0, 1); |
|
} |
|
|
|
mv->pred_flag[1] = 1; |
|
mvp_flag = ff_hevc_mvp_lx_flag_decode(s); |
|
ff_hevc_luma_mv_mvp_mode(s, x0, y0, nPbW, nPbH, log2_cb_size, |
|
part_idx, merge_idx, mv, mvp_flag, 1); |
|
mv->mv[1].x += lc->pu.mvd.x; |
|
mv->mv[1].y += lc->pu.mvd.y; |
|
} |
|
} |
|
|
|
static void hls_prediction_unit(HEVCContext *s, int x0, int y0, |
|
int nPbW, int nPbH, |
|
int log2_cb_size, int partIdx) |
|
{ |
|
static const int pred_indices[] = { |
|
[4] = 0, [8] = 1, [12] = 2, [16] = 3, [24] = 4, [32] = 5, [48] = 6, [64] = 7, |
|
}; |
|
const int pred_idx = pred_indices[nPbW]; |
|
|
|
#define POS(c_idx, x, y) \ |
|
&s->frame->data[c_idx][((y) >> s->ps.sps->vshift[c_idx]) * s->frame->linesize[c_idx] + \ |
|
(((x) >> s->ps.sps->hshift[c_idx]) << s->ps.sps->pixel_shift)] |
|
HEVCLocalContext *lc = &s->HEVClc; |
|
int merge_idx = 0; |
|
struct MvField current_mv = {{{ 0 }}}; |
|
|
|
int min_pu_width = s->ps.sps->min_pu_width; |
|
int weighted_pred = (s->sh.slice_type == HEVC_SLICE_P && s->ps.pps->weighted_pred_flag) || |
|
(s->sh.slice_type == HEVC_SLICE_B && s->ps.pps->weighted_bipred_flag); |
|
|
|
MvField *tab_mvf = s->ref->tab_mvf; |
|
RefPicList *refPicList = s->ref->refPicList; |
|
HEVCFrame *ref0, *ref1; |
|
|
|
ptrdiff_t tmpstride = MAX_PB_SIZE * sizeof(int16_t); |
|
|
|
uint8_t *dst0 = POS(0, x0, y0); |
|
uint8_t *dst1 = POS(1, x0, y0); |
|
uint8_t *dst2 = POS(2, x0, y0); |
|
int log2_min_cb_size = s->ps.sps->log2_min_cb_size; |
|
int min_cb_width = s->ps.sps->min_cb_width; |
|
int x_cb = x0 >> log2_min_cb_size; |
|
int y_cb = y0 >> log2_min_cb_size; |
|
int x_pu, y_pu; |
|
int i, j; |
|
|
|
int skip_flag = SAMPLE_CTB(s->skip_flag, x_cb, y_cb); |
|
|
|
if (!skip_flag) |
|
lc->pu.merge_flag = ff_hevc_merge_flag_decode(s); |
|
|
|
if (skip_flag || lc->pu.merge_flag) { |
|
if (s->sh.max_num_merge_cand > 1) |
|
merge_idx = ff_hevc_merge_idx_decode(s); |
|
else |
|
merge_idx = 0; |
|
|
|
ff_hevc_luma_mv_merge_mode(s, x0, y0, nPbW, nPbH, log2_cb_size, |
|
partIdx, merge_idx, ¤t_mv); |
|
} else { |
|
hevc_luma_mv_mpv_mode(s, x0, y0, nPbW, nPbH, log2_cb_size, |
|
partIdx, merge_idx, ¤t_mv); |
|
} |
|
|
|
x_pu = x0 >> s->ps.sps->log2_min_pu_size; |
|
y_pu = y0 >> s->ps.sps->log2_min_pu_size; |
|
|
|
for (j = 0; j < nPbH >> s->ps.sps->log2_min_pu_size; j++) |
|
for (i = 0; i < nPbW >> s->ps.sps->log2_min_pu_size; i++) |
|
tab_mvf[(y_pu + j) * min_pu_width + x_pu + i] = current_mv; |
|
|
|
if (current_mv.pred_flag[0]) { |
|
ref0 = refPicList[0].ref[current_mv.ref_idx[0]]; |
|
if (!ref0) |
|
return; |
|
hevc_await_progress(s, ref0, ¤t_mv.mv[0], y0, nPbH); |
|
} |
|
if (current_mv.pred_flag[1]) { |
|
ref1 = refPicList[1].ref[current_mv.ref_idx[1]]; |
|
if (!ref1) |
|
return; |
|
hevc_await_progress(s, ref1, ¤t_mv.mv[1], y0, nPbH); |
|
} |
|
|
|
if (current_mv.pred_flag[0] && !current_mv.pred_flag[1]) { |
|
LOCAL_ALIGNED_16(int16_t, tmp, [MAX_PB_SIZE * MAX_PB_SIZE]); |
|
LOCAL_ALIGNED_16(int16_t, tmp2, [MAX_PB_SIZE * MAX_PB_SIZE]); |
|
|
|
luma_mc(s, tmp, tmpstride, ref0->frame, |
|
¤t_mv.mv[0], x0, y0, nPbW, nPbH, pred_idx); |
|
|
|
if (weighted_pred) { |
|
s->hevcdsp.weighted_pred[pred_idx](s->sh.luma_log2_weight_denom, |
|
s->sh.luma_weight_l0[current_mv.ref_idx[0]], |
|
s->sh.luma_offset_l0[current_mv.ref_idx[0]], |
|
dst0, s->frame->linesize[0], tmp, |
|
tmpstride, nPbH); |
|
} else { |
|
s->hevcdsp.put_unweighted_pred[pred_idx](dst0, s->frame->linesize[0], tmp, tmpstride, nPbH); |
|
} |
|
chroma_mc(s, tmp, tmp2, tmpstride, ref0->frame, |
|
¤t_mv.mv[0], x0 / 2, y0 / 2, nPbW / 2, nPbH / 2, pred_idx); |
|
|
|
if (weighted_pred) { |
|
s->hevcdsp.weighted_pred_chroma[pred_idx](s->sh.chroma_log2_weight_denom, |
|
s->sh.chroma_weight_l0[current_mv.ref_idx[0]][0], |
|
s->sh.chroma_offset_l0[current_mv.ref_idx[0]][0], |
|
dst1, s->frame->linesize[1], tmp, tmpstride, |
|
nPbH / 2); |
|
s->hevcdsp.weighted_pred_chroma[pred_idx](s->sh.chroma_log2_weight_denom, |
|
s->sh.chroma_weight_l0[current_mv.ref_idx[0]][1], |
|
s->sh.chroma_offset_l0[current_mv.ref_idx[0]][1], |
|
dst2, s->frame->linesize[2], tmp2, tmpstride, |
|
nPbH / 2); |
|
} else { |
|
s->hevcdsp.put_unweighted_pred_chroma[pred_idx](dst1, s->frame->linesize[1], tmp, tmpstride, nPbH / 2); |
|
s->hevcdsp.put_unweighted_pred_chroma[pred_idx](dst2, s->frame->linesize[2], tmp2, tmpstride, nPbH / 2); |
|
} |
|
} else if (!current_mv.pred_flag[0] && current_mv.pred_flag[1]) { |
|
LOCAL_ALIGNED_16(int16_t, tmp, [MAX_PB_SIZE * MAX_PB_SIZE]); |
|
LOCAL_ALIGNED_16(int16_t, tmp2, [MAX_PB_SIZE * MAX_PB_SIZE]); |
|
|
|
luma_mc(s, tmp, tmpstride, ref1->frame, |
|
¤t_mv.mv[1], x0, y0, nPbW, nPbH, pred_idx); |
|
|
|
if (weighted_pred) { |
|
s->hevcdsp.weighted_pred[pred_idx](s->sh.luma_log2_weight_denom, |
|
s->sh.luma_weight_l1[current_mv.ref_idx[1]], |
|
s->sh.luma_offset_l1[current_mv.ref_idx[1]], |
|
dst0, s->frame->linesize[0], tmp, tmpstride, |
|
nPbH); |
|
} else { |
|
s->hevcdsp.put_unweighted_pred[pred_idx](dst0, s->frame->linesize[0], tmp, tmpstride, nPbH); |
|
} |
|
|
|
chroma_mc(s, tmp, tmp2, tmpstride, ref1->frame, |
|
¤t_mv.mv[1], x0 / 2, y0 / 2, nPbW / 2, nPbH / 2, pred_idx); |
|
|
|
if (weighted_pred) { |
|
s->hevcdsp.weighted_pred_chroma[pred_idx](s->sh.chroma_log2_weight_denom, |
|
s->sh.chroma_weight_l1[current_mv.ref_idx[1]][0], |
|
s->sh.chroma_offset_l1[current_mv.ref_idx[1]][0], |
|
dst1, s->frame->linesize[1], tmp, tmpstride, nPbH/2); |
|
s->hevcdsp.weighted_pred_chroma[pred_idx](s->sh.chroma_log2_weight_denom, |
|
s->sh.chroma_weight_l1[current_mv.ref_idx[1]][1], |
|
s->sh.chroma_offset_l1[current_mv.ref_idx[1]][1], |
|
dst2, s->frame->linesize[2], tmp2, tmpstride, nPbH/2); |
|
} else { |
|
s->hevcdsp.put_unweighted_pred_chroma[pred_idx](dst1, s->frame->linesize[1], tmp, tmpstride, nPbH / 2); |
|
s->hevcdsp.put_unweighted_pred_chroma[pred_idx](dst2, s->frame->linesize[2], tmp2, tmpstride, nPbH / 2); |
|
} |
|
} else if (current_mv.pred_flag[0] && current_mv.pred_flag[1]) { |
|
LOCAL_ALIGNED_16(int16_t, tmp, [MAX_PB_SIZE * MAX_PB_SIZE]); |
|
LOCAL_ALIGNED_16(int16_t, tmp2, [MAX_PB_SIZE * MAX_PB_SIZE]); |
|
LOCAL_ALIGNED_16(int16_t, tmp3, [MAX_PB_SIZE * MAX_PB_SIZE]); |
|
LOCAL_ALIGNED_16(int16_t, tmp4, [MAX_PB_SIZE * MAX_PB_SIZE]); |
|
|
|
luma_mc(s, tmp, tmpstride, ref0->frame, |
|
¤t_mv.mv[0], x0, y0, nPbW, nPbH, pred_idx); |
|
luma_mc(s, tmp2, tmpstride, ref1->frame, |
|
¤t_mv.mv[1], x0, y0, nPbW, nPbH, pred_idx); |
|
|
|
if (weighted_pred) { |
|
s->hevcdsp.weighted_pred_avg[pred_idx](s->sh.luma_log2_weight_denom, |
|
s->sh.luma_weight_l0[current_mv.ref_idx[0]], |
|
s->sh.luma_weight_l1[current_mv.ref_idx[1]], |
|
s->sh.luma_offset_l0[current_mv.ref_idx[0]], |
|
s->sh.luma_offset_l1[current_mv.ref_idx[1]], |
|
dst0, s->frame->linesize[0], |
|
tmp, tmp2, tmpstride, nPbH); |
|
} else { |
|
s->hevcdsp.put_unweighted_pred_avg[pred_idx](dst0, s->frame->linesize[0], |
|
tmp, tmp2, tmpstride, nPbH); |
|
} |
|
|
|
chroma_mc(s, tmp, tmp2, tmpstride, ref0->frame, |
|
¤t_mv.mv[0], x0 / 2, y0 / 2, nPbW / 2, nPbH / 2, pred_idx); |
|
chroma_mc(s, tmp3, tmp4, tmpstride, ref1->frame, |
|
¤t_mv.mv[1], x0 / 2, y0 / 2, nPbW / 2, nPbH / 2, pred_idx); |
|
|
|
if (weighted_pred) { |
|
s->hevcdsp.weighted_pred_avg_chroma[pred_idx](s->sh.chroma_log2_weight_denom, |
|
s->sh.chroma_weight_l0[current_mv.ref_idx[0]][0], |
|
s->sh.chroma_weight_l1[current_mv.ref_idx[1]][0], |
|
s->sh.chroma_offset_l0[current_mv.ref_idx[0]][0], |
|
s->sh.chroma_offset_l1[current_mv.ref_idx[1]][0], |
|
dst1, s->frame->linesize[1], tmp, tmp3, |
|
tmpstride, nPbH / 2); |
|
s->hevcdsp.weighted_pred_avg_chroma[pred_idx](s->sh.chroma_log2_weight_denom, |
|
s->sh.chroma_weight_l0[current_mv.ref_idx[0]][1], |
|
s->sh.chroma_weight_l1[current_mv.ref_idx[1]][1], |
|
s->sh.chroma_offset_l0[current_mv.ref_idx[0]][1], |
|
s->sh.chroma_offset_l1[current_mv.ref_idx[1]][1], |
|
dst2, s->frame->linesize[2], tmp2, tmp4, |
|
tmpstride, nPbH / 2); |
|
} else { |
|
s->hevcdsp.put_unweighted_pred_avg_chroma[pred_idx](dst1, s->frame->linesize[1], tmp, tmp3, tmpstride, nPbH/2); |
|
s->hevcdsp.put_unweighted_pred_avg_chroma[pred_idx](dst2, s->frame->linesize[2], tmp2, tmp4, tmpstride, nPbH/2); |
|
} |
|
} |
|
} |
|
|
|
/** |
|
* 8.4.1 |
|
*/ |
|
static int luma_intra_pred_mode(HEVCContext *s, int x0, int y0, int pu_size, |
|
int prev_intra_luma_pred_flag) |
|
{ |
|
HEVCLocalContext *lc = &s->HEVClc; |
|
int x_pu = x0 >> s->ps.sps->log2_min_pu_size; |
|
int y_pu = y0 >> s->ps.sps->log2_min_pu_size; |
|
int min_pu_width = s->ps.sps->min_pu_width; |
|
int size_in_pus = pu_size >> s->ps.sps->log2_min_pu_size; |
|
int x0b = x0 & ((1 << s->ps.sps->log2_ctb_size) - 1); |
|
int y0b = y0 & ((1 << s->ps.sps->log2_ctb_size) - 1); |
|
|
|
int cand_up = (lc->ctb_up_flag || y0b) ? |
|
s->tab_ipm[(y_pu - 1) * min_pu_width + x_pu] : INTRA_DC; |
|
int cand_left = (lc->ctb_left_flag || x0b) ? |
|
s->tab_ipm[y_pu * min_pu_width + x_pu - 1] : INTRA_DC; |
|
|
|
int y_ctb = (y0 >> (s->ps.sps->log2_ctb_size)) << (s->ps.sps->log2_ctb_size); |
|
|
|
MvField *tab_mvf = s->ref->tab_mvf; |
|
int intra_pred_mode; |
|
int candidate[3]; |
|
int i, j; |
|
|
|
// intra_pred_mode prediction does not cross vertical CTB boundaries |
|
if ((y0 - 1) < y_ctb) |
|
cand_up = INTRA_DC; |
|
|
|
if (cand_left == cand_up) { |
|
if (cand_left < 2) { |
|
candidate[0] = INTRA_PLANAR; |
|
candidate[1] = INTRA_DC; |
|
candidate[2] = INTRA_ANGULAR_26; |
|
} else { |
|
candidate[0] = cand_left; |
|
candidate[1] = 2 + ((cand_left - 2 - 1 + 32) & 31); |
|
candidate[2] = 2 + ((cand_left - 2 + 1) & 31); |
|
} |
|
} else { |
|
candidate[0] = cand_left; |
|
candidate[1] = cand_up; |
|
if (candidate[0] != INTRA_PLANAR && candidate[1] != INTRA_PLANAR) { |
|
candidate[2] = INTRA_PLANAR; |
|
} else if (candidate[0] != INTRA_DC && candidate[1] != INTRA_DC) { |
|
candidate[2] = INTRA_DC; |
|
} else { |
|
candidate[2] = INTRA_ANGULAR_26; |
|
} |
|
} |
|
|
|
if (prev_intra_luma_pred_flag) { |
|
intra_pred_mode = candidate[lc->pu.mpm_idx]; |
|
} else { |
|
if (candidate[0] > candidate[1]) |
|
FFSWAP(uint8_t, candidate[0], candidate[1]); |
|
if (candidate[0] > candidate[2]) |
|
FFSWAP(uint8_t, candidate[0], candidate[2]); |
|
if (candidate[1] > candidate[2]) |
|
FFSWAP(uint8_t, candidate[1], candidate[2]); |
|
|
|
intra_pred_mode = lc->pu.rem_intra_luma_pred_mode; |
|
for (i = 0; i < 3; i++) |
|
if (intra_pred_mode >= candidate[i]) |
|
intra_pred_mode++; |
|
} |
|
|
|
/* write the intra prediction units into the mv array */ |
|
if (!size_in_pus) |
|
size_in_pus = 1; |
|
for (i = 0; i < size_in_pus; i++) { |
|
memset(&s->tab_ipm[(y_pu + i) * min_pu_width + x_pu], |
|
intra_pred_mode, size_in_pus); |
|
|
|
for (j = 0; j < size_in_pus; j++) { |
|
tab_mvf[(y_pu + j) * min_pu_width + x_pu + i].is_intra = 1; |
|
tab_mvf[(y_pu + j) * min_pu_width + x_pu + i].pred_flag[0] = 0; |
|
tab_mvf[(y_pu + j) * min_pu_width + x_pu + i].pred_flag[1] = 0; |
|
tab_mvf[(y_pu + j) * min_pu_width + x_pu + i].ref_idx[0] = 0; |
|
tab_mvf[(y_pu + j) * min_pu_width + x_pu + i].ref_idx[1] = 0; |
|
tab_mvf[(y_pu + j) * min_pu_width + x_pu + i].mv[0].x = 0; |
|
tab_mvf[(y_pu + j) * min_pu_width + x_pu + i].mv[0].y = 0; |
|
tab_mvf[(y_pu + j) * min_pu_width + x_pu + i].mv[1].x = 0; |
|
tab_mvf[(y_pu + j) * min_pu_width + x_pu + i].mv[1].y = 0; |
|
} |
|
} |
|
|
|
return intra_pred_mode; |
|
} |
|
|
|
static av_always_inline void set_ct_depth(HEVCContext *s, int x0, int y0, |
|
int log2_cb_size, int ct_depth) |
|
{ |
|
int length = (1 << log2_cb_size) >> s->ps.sps->log2_min_cb_size; |
|
int x_cb = x0 >> s->ps.sps->log2_min_cb_size; |
|
int y_cb = y0 >> s->ps.sps->log2_min_cb_size; |
|
int y; |
|
|
|
for (y = 0; y < length; y++) |
|
memset(&s->tab_ct_depth[(y_cb + y) * s->ps.sps->min_cb_width + x_cb], |
|
ct_depth, length); |
|
} |
|
|
|
static void intra_prediction_unit(HEVCContext *s, int x0, int y0, |
|
int log2_cb_size) |
|
{ |
|
HEVCLocalContext *lc = &s->HEVClc; |
|
static const uint8_t intra_chroma_table[4] = { 0, 26, 10, 1 }; |
|
uint8_t prev_intra_luma_pred_flag[4]; |
|
int split = lc->cu.part_mode == PART_NxN; |
|
int pb_size = (1 << log2_cb_size) >> split; |
|
int side = split + 1; |
|
int chroma_mode; |
|
int i, j; |
|
|
|
for (i = 0; i < side; i++) |
|
for (j = 0; j < side; j++) |
|
prev_intra_luma_pred_flag[2 * i + j] = ff_hevc_prev_intra_luma_pred_flag_decode(s); |
|
|
|
for (i = 0; i < side; i++) { |
|
for (j = 0; j < side; j++) { |
|
if (prev_intra_luma_pred_flag[2 * i + j]) |
|
lc->pu.mpm_idx = ff_hevc_mpm_idx_decode(s); |
|
else |
|
lc->pu.rem_intra_luma_pred_mode = ff_hevc_rem_intra_luma_pred_mode_decode(s); |
|
|
|
lc->pu.intra_pred_mode[2 * i + j] = |
|
luma_intra_pred_mode(s, x0 + pb_size * j, y0 + pb_size * i, pb_size, |
|
prev_intra_luma_pred_flag[2 * i + j]); |
|
} |
|
} |
|
|
|
chroma_mode = ff_hevc_intra_chroma_pred_mode_decode(s); |
|
if (chroma_mode != 4) { |
|
if (lc->pu.intra_pred_mode[0] == intra_chroma_table[chroma_mode]) |
|
lc->pu.intra_pred_mode_c = 34; |
|
else |
|
lc->pu.intra_pred_mode_c = intra_chroma_table[chroma_mode]; |
|
} else { |
|
lc->pu.intra_pred_mode_c = lc->pu.intra_pred_mode[0]; |
|
} |
|
} |
|
|
|
static void intra_prediction_unit_default_value(HEVCContext *s, |
|
int x0, int y0, |
|
int log2_cb_size) |
|
{ |
|
HEVCLocalContext *lc = &s->HEVClc; |
|
int pb_size = 1 << log2_cb_size; |
|
int size_in_pus = pb_size >> s->ps.sps->log2_min_pu_size; |
|
int min_pu_width = s->ps.sps->min_pu_width; |
|
MvField *tab_mvf = s->ref->tab_mvf; |
|
int x_pu = x0 >> s->ps.sps->log2_min_pu_size; |
|
int y_pu = y0 >> s->ps.sps->log2_min_pu_size; |
|
int j, k; |
|
|
|
if (size_in_pus == 0) |
|
size_in_pus = 1; |
|
for (j = 0; j < size_in_pus; j++) { |
|
memset(&s->tab_ipm[(y_pu + j) * min_pu_width + x_pu], INTRA_DC, size_in_pus); |
|
for (k = 0; k < size_in_pus; k++) |
|
tab_mvf[(y_pu + j) * min_pu_width + x_pu + k].is_intra = lc->cu.pred_mode == MODE_INTRA; |
|
} |
|
} |
|
|
|
static int hls_coding_unit(HEVCContext *s, int x0, int y0, int log2_cb_size) |
|
{ |
|
int cb_size = 1 << log2_cb_size; |
|
HEVCLocalContext *lc = &s->HEVClc; |
|
int log2_min_cb_size = s->ps.sps->log2_min_cb_size; |
|
int length = cb_size >> log2_min_cb_size; |
|
int min_cb_width = s->ps.sps->min_cb_width; |
|
int x_cb = x0 >> log2_min_cb_size; |
|
int y_cb = y0 >> log2_min_cb_size; |
|
int x, y, ret; |
|
|
|
lc->cu.x = x0; |
|
lc->cu.y = y0; |
|
lc->cu.pred_mode = MODE_INTRA; |
|
lc->cu.part_mode = PART_2Nx2N; |
|
lc->cu.intra_split_flag = 0; |
|
|
|
SAMPLE_CTB(s->skip_flag, x_cb, y_cb) = 0; |
|
for (x = 0; x < 4; x++) |
|
lc->pu.intra_pred_mode[x] = 1; |
|
if (s->ps.pps->transquant_bypass_enable_flag) { |
|
lc->cu.cu_transquant_bypass_flag = ff_hevc_cu_transquant_bypass_flag_decode(s); |
|
if (lc->cu.cu_transquant_bypass_flag) |
|
set_deblocking_bypass(s, x0, y0, log2_cb_size); |
|
} else |
|
lc->cu.cu_transquant_bypass_flag = 0; |
|
|
|
if (s->sh.slice_type != HEVC_SLICE_I) { |
|
uint8_t skip_flag = ff_hevc_skip_flag_decode(s, x0, y0, x_cb, y_cb); |
|
|
|
x = y_cb * min_cb_width + x_cb; |
|
for (y = 0; y < length; y++) { |
|
memset(&s->skip_flag[x], skip_flag, length); |
|
x += min_cb_width; |
|
} |
|
lc->cu.pred_mode = skip_flag ? MODE_SKIP : MODE_INTER; |
|
} |
|
|
|
if (SAMPLE_CTB(s->skip_flag, x_cb, y_cb)) { |
|
hls_prediction_unit(s, x0, y0, cb_size, cb_size, log2_cb_size, 0); |
|
intra_prediction_unit_default_value(s, x0, y0, log2_cb_size); |
|
|
|
if (!s->sh.disable_deblocking_filter_flag) |
|
ff_hevc_deblocking_boundary_strengths(s, x0, y0, log2_cb_size); |
|
} else { |
|
int pcm_flag = 0; |
|
|
|
if (s->sh.slice_type != HEVC_SLICE_I) |
|
lc->cu.pred_mode = ff_hevc_pred_mode_decode(s); |
|
if (lc->cu.pred_mode != MODE_INTRA || |
|
log2_cb_size == s->ps.sps->log2_min_cb_size) { |
|
lc->cu.part_mode = ff_hevc_part_mode_decode(s, log2_cb_size); |
|
lc->cu.intra_split_flag = lc->cu.part_mode == PART_NxN && |
|
lc->cu.pred_mode == MODE_INTRA; |
|
} |
|
|
|
if (lc->cu.pred_mode == MODE_INTRA) { |
|
if (lc->cu.part_mode == PART_2Nx2N && s->ps.sps->pcm_enabled_flag && |
|
log2_cb_size >= s->ps.sps->pcm.log2_min_pcm_cb_size && |
|
log2_cb_size <= s->ps.sps->pcm.log2_max_pcm_cb_size) { |
|
pcm_flag = ff_hevc_pcm_flag_decode(s); |
|
} |
|
if (pcm_flag) { |
|
intra_prediction_unit_default_value(s, x0, y0, log2_cb_size); |
|
ret = hls_pcm_sample(s, x0, y0, log2_cb_size); |
|
if (s->ps.sps->pcm.loop_filter_disable_flag) |
|
set_deblocking_bypass(s, x0, y0, log2_cb_size); |
|
|
|
if (ret < 0) |
|
return ret; |
|
} else { |
|
intra_prediction_unit(s, x0, y0, log2_cb_size); |
|
} |
|
} else { |
|
intra_prediction_unit_default_value(s, x0, y0, log2_cb_size); |
|
switch (lc->cu.part_mode) { |
|
case PART_2Nx2N: |
|
hls_prediction_unit(s, x0, y0, cb_size, cb_size, log2_cb_size, 0); |
|
break; |
|
case PART_2NxN: |
|
hls_prediction_unit(s, x0, y0, cb_size, cb_size / 2, log2_cb_size, 0); |
|
hls_prediction_unit(s, x0, y0 + cb_size / 2, cb_size, cb_size / 2, log2_cb_size, 1); |
|
break; |
|
case PART_Nx2N: |
|
hls_prediction_unit(s, x0, y0, cb_size / 2, cb_size, log2_cb_size, 0); |
|
hls_prediction_unit(s, x0 + cb_size / 2, y0, cb_size / 2, cb_size, log2_cb_size, 1); |
|
break; |
|
case PART_2NxnU: |
|
hls_prediction_unit(s, x0, y0, cb_size, cb_size / 4, log2_cb_size, 0); |
|
hls_prediction_unit(s, x0, y0 + cb_size / 4, cb_size, cb_size * 3 / 4, log2_cb_size, 1); |
|
break; |
|
case PART_2NxnD: |
|
hls_prediction_unit(s, x0, y0, cb_size, cb_size * 3 / 4, log2_cb_size, 0); |
|
hls_prediction_unit(s, x0, y0 + cb_size * 3 / 4, cb_size, cb_size / 4, log2_cb_size, 1); |
|
break; |
|
case PART_nLx2N: |
|
hls_prediction_unit(s, x0, y0, cb_size / 4, cb_size, log2_cb_size, 0); |
|
hls_prediction_unit(s, x0 + cb_size / 4, y0, cb_size * 3 / 4, cb_size, log2_cb_size, 1); |
|
break; |
|
case PART_nRx2N: |
|
hls_prediction_unit(s, x0, y0, cb_size * 3 / 4, cb_size, log2_cb_size, 0); |
|
hls_prediction_unit(s, x0 + cb_size * 3 / 4, y0, cb_size / 4, cb_size, log2_cb_size, 1); |
|
break; |
|
case PART_NxN: |
|
hls_prediction_unit(s, x0, y0, cb_size / 2, cb_size / 2, log2_cb_size, 0); |
|
hls_prediction_unit(s, x0 + cb_size / 2, y0, cb_size / 2, cb_size / 2, log2_cb_size, 1); |
|
hls_prediction_unit(s, x0, y0 + cb_size / 2, cb_size / 2, cb_size / 2, log2_cb_size, 2); |
|
hls_prediction_unit(s, x0 + cb_size / 2, y0 + cb_size / 2, cb_size / 2, cb_size / 2, log2_cb_size, 3); |
|
break; |
|
} |
|
} |
|
|
|
if (!pcm_flag) { |
|
int rqt_root_cbf = 1; |
|
|
|
if (lc->cu.pred_mode != MODE_INTRA && |
|
!(lc->cu.part_mode == PART_2Nx2N && lc->pu.merge_flag)) { |
|
rqt_root_cbf = ff_hevc_no_residual_syntax_flag_decode(s); |
|
} |
|
if (rqt_root_cbf) { |
|
lc->cu.max_trafo_depth = lc->cu.pred_mode == MODE_INTRA ? |
|
s->ps.sps->max_transform_hierarchy_depth_intra + lc->cu.intra_split_flag : |
|
s->ps.sps->max_transform_hierarchy_depth_inter; |
|
ret = hls_transform_tree(s, x0, y0, x0, y0, x0, y0, |
|
log2_cb_size, |
|
log2_cb_size, 0, 0, 0, 0); |
|
if (ret < 0) |
|
return ret; |
|
} else { |
|
if (!s->sh.disable_deblocking_filter_flag) |
|
ff_hevc_deblocking_boundary_strengths(s, x0, y0, log2_cb_size); |
|
} |
|
} |
|
} |
|
|
|
if (s->ps.pps->cu_qp_delta_enabled_flag && lc->tu.is_cu_qp_delta_coded == 0) |
|
ff_hevc_set_qPy(s, x0, y0, x0, y0, log2_cb_size); |
|
|
|
x = y_cb * min_cb_width + x_cb; |
|
for (y = 0; y < length; y++) { |
|
memset(&s->qp_y_tab[x], lc->qp_y, length); |
|
x += min_cb_width; |
|
} |
|
|
|
set_ct_depth(s, x0, y0, log2_cb_size, lc->ct.depth); |
|
|
|
return 0; |
|
} |
|
|
|
static int hls_coding_quadtree(HEVCContext *s, int x0, int y0, |
|
int log2_cb_size, int cb_depth) |
|
{ |
|
HEVCLocalContext *lc = &s->HEVClc; |
|
const int cb_size = 1 << log2_cb_size; |
|
int split_cu; |
|
|
|
lc->ct.depth = cb_depth; |
|
if (x0 + cb_size <= s->ps.sps->width && |
|
y0 + cb_size <= s->ps.sps->height && |
|
log2_cb_size > s->ps.sps->log2_min_cb_size) { |
|
split_cu = ff_hevc_split_coding_unit_flag_decode(s, cb_depth, x0, y0); |
|
} else { |
|
split_cu = (log2_cb_size > s->ps.sps->log2_min_cb_size); |
|
} |
|
if (s->ps.pps->cu_qp_delta_enabled_flag && |
|
log2_cb_size >= s->ps.sps->log2_ctb_size - s->ps.pps->diff_cu_qp_delta_depth) { |
|
lc->tu.is_cu_qp_delta_coded = 0; |
|
lc->tu.cu_qp_delta = 0; |
|
} |
|
|
|
if (split_cu) { |
|
const int cb_size_split = cb_size >> 1; |
|
const int x1 = x0 + cb_size_split; |
|
const int y1 = y0 + cb_size_split; |
|
|
|
log2_cb_size--; |
|
cb_depth++; |
|
|
|
#define SUBDIVIDE(x, y) \ |
|
do { \ |
|
if (x < s->ps.sps->width && y < s->ps.sps->height) { \ |
|
int ret = hls_coding_quadtree(s, x, y, log2_cb_size, cb_depth);\ |
|
if (ret < 0) \ |
|
return ret; \ |
|
} \ |
|
} while (0) |
|
|
|
SUBDIVIDE(x0, y0); |
|
SUBDIVIDE(x1, y0); |
|
SUBDIVIDE(x0, y1); |
|
SUBDIVIDE(x1, y1); |
|
} else { |
|
int ret = hls_coding_unit(s, x0, y0, log2_cb_size); |
|
if (ret < 0) |
|
return ret; |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static void hls_decode_neighbour(HEVCContext *s, int x_ctb, int y_ctb, |
|
int ctb_addr_ts) |
|
{ |
|
HEVCLocalContext *lc = &s->HEVClc; |
|
int ctb_size = 1 << s->ps.sps->log2_ctb_size; |
|
int ctb_addr_rs = s->ps.pps->ctb_addr_ts_to_rs[ctb_addr_ts]; |
|
int ctb_addr_in_slice = ctb_addr_rs - s->sh.slice_addr; |
|
|
|
s->tab_slice_address[ctb_addr_rs] = s->sh.slice_addr; |
|
|
|
if (s->ps.pps->entropy_coding_sync_enabled_flag) { |
|
if (x_ctb == 0 && (y_ctb & (ctb_size - 1)) == 0) |
|
lc->first_qp_group = 1; |
|
lc->end_of_tiles_x = s->ps.sps->width; |
|
} else if (s->ps.pps->tiles_enabled_flag) { |
|
if (ctb_addr_ts && s->ps.pps->tile_id[ctb_addr_ts] != s->ps.pps->tile_id[ctb_addr_ts - 1]) { |
|
int idxX = s->ps.pps->col_idxX[x_ctb >> s->ps.sps->log2_ctb_size]; |
|
lc->start_of_tiles_x = x_ctb; |
|
lc->end_of_tiles_x = x_ctb + (s->ps.pps->column_width[idxX] << s->ps.sps->log2_ctb_size); |
|
lc->first_qp_group = 1; |
|
} |
|
} else { |
|
lc->end_of_tiles_x = s->ps.sps->width; |
|
} |
|
|
|
lc->end_of_tiles_y = FFMIN(y_ctb + ctb_size, s->ps.sps->height); |
|
|
|
lc->boundary_flags = 0; |
|
if (s->ps.pps->tiles_enabled_flag) { |
|
if (x_ctb > 0 && s->ps.pps->tile_id[ctb_addr_ts] != s->ps.pps->tile_id[s->ps.pps->ctb_addr_rs_to_ts[ctb_addr_rs - 1]]) |
|
lc->boundary_flags |= BOUNDARY_LEFT_TILE; |
|
if (x_ctb > 0 && s->tab_slice_address[ctb_addr_rs] != s->tab_slice_address[ctb_addr_rs - 1]) |
|
lc->boundary_flags |= BOUNDARY_LEFT_SLICE; |
|
if (y_ctb > 0 && s->ps.pps->tile_id[ctb_addr_ts] != s->ps.pps->tile_id[s->ps.pps->ctb_addr_rs_to_ts[ctb_addr_rs - s->ps.sps->ctb_width]]) |
|
lc->boundary_flags |= BOUNDARY_UPPER_TILE; |
|
if (y_ctb > 0 && s->tab_slice_address[ctb_addr_rs] != s->tab_slice_address[ctb_addr_rs - s->ps.sps->ctb_width]) |
|
lc->boundary_flags |= BOUNDARY_UPPER_SLICE; |
|
} else { |
|
if (!ctb_addr_in_slice) |
|
lc->boundary_flags |= BOUNDARY_LEFT_SLICE; |
|
if (ctb_addr_in_slice < s->ps.sps->ctb_width) |
|
lc->boundary_flags |= BOUNDARY_UPPER_SLICE; |
|
} |
|
|
|
lc->ctb_left_flag = ((x_ctb > 0) && (ctb_addr_in_slice > 0) && !(lc->boundary_flags & BOUNDARY_LEFT_TILE)); |
|
lc->ctb_up_flag = ((y_ctb > 0) && (ctb_addr_in_slice >= s->ps.sps->ctb_width) && !(lc->boundary_flags & BOUNDARY_UPPER_TILE)); |
|
lc->ctb_up_right_flag = ((y_ctb > 0) && (ctb_addr_in_slice+1 >= s->ps.sps->ctb_width) && (s->ps.pps->tile_id[ctb_addr_ts] == s->ps.pps->tile_id[s->ps.pps->ctb_addr_rs_to_ts[ctb_addr_rs+1 - s->ps.sps->ctb_width]])); |
|
lc->ctb_up_left_flag = ((x_ctb > 0) && (y_ctb > 0) && (ctb_addr_in_slice-1 >= s->ps.sps->ctb_width) && (s->ps.pps->tile_id[ctb_addr_ts] == s->ps.pps->tile_id[s->ps.pps->ctb_addr_rs_to_ts[ctb_addr_rs-1 - s->ps.sps->ctb_width]])); |
|
} |
|
|
|
static int hls_slice_data(HEVCContext *s) |
|
{ |
|
int ctb_size = 1 << s->ps.sps->log2_ctb_size; |
|
int more_data = 1; |
|
int x_ctb = 0; |
|
int y_ctb = 0; |
|
int ctb_addr_ts = s->ps.pps->ctb_addr_rs_to_ts[s->sh.slice_ctb_addr_rs]; |
|
int ret; |
|
|
|
while (more_data && ctb_addr_ts < s->ps.sps->ctb_size) { |
|
int ctb_addr_rs = s->ps.pps->ctb_addr_ts_to_rs[ctb_addr_ts]; |
|
|
|
x_ctb = (ctb_addr_rs % ((s->ps.sps->width + ctb_size - 1) >> s->ps.sps->log2_ctb_size)) << s->ps.sps->log2_ctb_size; |
|
y_ctb = (ctb_addr_rs / ((s->ps.sps->width + ctb_size - 1) >> s->ps.sps->log2_ctb_size)) << s->ps.sps->log2_ctb_size; |
|
hls_decode_neighbour(s, x_ctb, y_ctb, ctb_addr_ts); |
|
|
|
ff_hevc_cabac_init(s, ctb_addr_ts); |
|
|
|
hls_sao_param(s, x_ctb >> s->ps.sps->log2_ctb_size, y_ctb >> s->ps.sps->log2_ctb_size); |
|
|
|
s->deblock[ctb_addr_rs].beta_offset = s->sh.beta_offset; |
|
s->deblock[ctb_addr_rs].tc_offset = s->sh.tc_offset; |
|
s->filter_slice_edges[ctb_addr_rs] = s->sh.slice_loop_filter_across_slices_enabled_flag; |
|
|
|
ret = hls_coding_quadtree(s, x_ctb, y_ctb, s->ps.sps->log2_ctb_size, 0); |
|
if (ret < 0) |
|
return ret; |
|
more_data = !ff_hevc_end_of_slice_flag_decode(s); |
|
|
|
ctb_addr_ts++; |
|
ff_hevc_save_states(s, ctb_addr_ts); |
|
ff_hevc_hls_filters(s, x_ctb, y_ctb, ctb_size); |
|
} |
|
|
|
if (x_ctb + ctb_size >= s->ps.sps->width && |
|
y_ctb + ctb_size >= s->ps.sps->height) |
|
ff_hevc_hls_filter(s, x_ctb, y_ctb); |
|
|
|
return ctb_addr_ts; |
|
} |
|
|
|
static void restore_tqb_pixels(HEVCContext *s) |
|
{ |
|
int min_pu_size = 1 << s->ps.sps->log2_min_pu_size; |
|
int x, y, c_idx; |
|
|
|
for (c_idx = 0; c_idx < 3; c_idx++) { |
|
ptrdiff_t stride = s->frame->linesize[c_idx]; |
|
int hshift = s->ps.sps->hshift[c_idx]; |
|
int vshift = s->ps.sps->vshift[c_idx]; |
|
for (y = 0; y < s->ps.sps->min_pu_height; y++) { |
|
for (x = 0; x < s->ps.sps->min_pu_width; x++) { |
|
if (s->is_pcm[y * s->ps.sps->min_pu_width + x]) { |
|
int n; |
|
int len = min_pu_size >> hshift; |
|
uint8_t *src = &s->frame->data[c_idx][((y << s->ps.sps->log2_min_pu_size) >> vshift) * stride + (((x << s->ps.sps->log2_min_pu_size) >> hshift) << s->ps.sps->pixel_shift)]; |
|
uint8_t *dst = &s->sao_frame->data[c_idx][((y << s->ps.sps->log2_min_pu_size) >> vshift) * stride + (((x << s->ps.sps->log2_min_pu_size) >> hshift) << s->ps.sps->pixel_shift)]; |
|
for (n = 0; n < (min_pu_size >> vshift); n++) { |
|
memcpy(dst, src, len); |
|
src += stride; |
|
dst += stride; |
|
} |
|
} |
|
} |
|
} |
|
} |
|
} |
|
|
|
static int set_side_data(HEVCContext *s) |
|
{ |
|
AVFrame *out = s->ref->frame; |
|
|
|
if (s->sei.frame_packing.present && |
|
s->sei.frame_packing.arrangement_type >= 3 && |
|
s->sei.frame_packing.arrangement_type <= 5 && |
|
s->sei.frame_packing.content_interpretation_type > 0 && |
|
s->sei.frame_packing.content_interpretation_type < 3) { |
|
AVStereo3D *stereo = av_stereo3d_create_side_data(out); |
|
if (!stereo) |
|
return AVERROR(ENOMEM); |
|
|
|
switch (s->sei.frame_packing.arrangement_type) { |
|
case 3: |
|
if (s->sei.frame_packing.quincunx_subsampling) |
|
stereo->type = AV_STEREO3D_SIDEBYSIDE_QUINCUNX; |
|
else |
|
stereo->type = AV_STEREO3D_SIDEBYSIDE; |
|
break; |
|
case 4: |
|
stereo->type = AV_STEREO3D_TOPBOTTOM; |
|
break; |
|
case 5: |
|
stereo->type = AV_STEREO3D_FRAMESEQUENCE; |
|
break; |
|
} |
|
|
|
if (s->sei.frame_packing.content_interpretation_type == 2) |
|
stereo->flags = AV_STEREO3D_FLAG_INVERT; |
|
} |
|
|
|
if (s->sei.display_orientation.present && |
|
(s->sei.display_orientation.anticlockwise_rotation || |
|
s->sei.display_orientation.hflip || s->sei.display_orientation.vflip)) { |
|
double angle = s->sei.display_orientation.anticlockwise_rotation * 360 / (double) (1 << 16); |
|
AVFrameSideData *rotation = av_frame_new_side_data(out, |
|
AV_FRAME_DATA_DISPLAYMATRIX, |
|
sizeof(int32_t) * 9); |
|
if (!rotation) |
|
return AVERROR(ENOMEM); |
|
|
|
av_display_rotation_set((int32_t *)rotation->data, angle); |
|
av_display_matrix_flip((int32_t *)rotation->data, |
|
s->sei.display_orientation.hflip, |
|
s->sei.display_orientation.vflip); |
|
} |
|
|
|
if (s->sei.alternative_transfer.present && |
|
av_color_transfer_name(s->sei.alternative_transfer.preferred_transfer_characteristics) && |
|
s->sei.alternative_transfer.preferred_transfer_characteristics != AVCOL_TRC_UNSPECIFIED) { |
|
s->avctx->color_trc = out->color_trc = s->sei.alternative_transfer.preferred_transfer_characteristics; |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static int hevc_frame_start(HEVCContext *s) |
|
{ |
|
HEVCLocalContext *lc = &s->HEVClc; |
|
int ret; |
|
|
|
memset(s->horizontal_bs, 0, 2 * s->bs_width * (s->bs_height + 1)); |
|
memset(s->vertical_bs, 0, 2 * s->bs_width * (s->bs_height + 1)); |
|
memset(s->cbf_luma, 0, s->ps.sps->min_tb_width * s->ps.sps->min_tb_height); |
|
memset(s->is_pcm, 0, s->ps.sps->min_pu_width * s->ps.sps->min_pu_height); |
|
|
|
lc->start_of_tiles_x = 0; |
|
s->is_decoded = 0; |
|
s->first_nal_type = s->nal_unit_type; |
|
|
|
if (s->ps.pps->tiles_enabled_flag) |
|
lc->end_of_tiles_x = s->ps.pps->column_width[0] << s->ps.sps->log2_ctb_size; |
|
|
|
ret = ff_hevc_set_new_ref(s, s->ps.sps->sao_enabled ? &s->sao_frame : &s->frame, |
|
s->poc); |
|
if (ret < 0) |
|
goto fail; |
|
|
|
ret = ff_hevc_frame_rps(s); |
|
if (ret < 0) { |
|
av_log(s->avctx, AV_LOG_ERROR, "Error constructing the frame RPS.\n"); |
|
goto fail; |
|
} |
|
|
|
s->ref->frame->key_frame = IS_IRAP(s); |
|
|
|
ret = set_side_data(s); |
|
if (ret < 0) |
|
goto fail; |
|
|
|
av_frame_unref(s->output_frame); |
|
ret = ff_hevc_output_frame(s, s->output_frame, 0); |
|
if (ret < 0) |
|
goto fail; |
|
|
|
ff_thread_finish_setup(s->avctx); |
|
|
|
return 0; |
|
|
|
fail: |
|
if (s->ref) |
|
ff_hevc_unref_frame(s, s->ref, ~0); |
|
s->ref = NULL; |
|
return ret; |
|
} |
|
|
|
static int decode_nal_unit(HEVCContext *s, const H2645NAL *nal) |
|
{ |
|
HEVCLocalContext *lc = &s->HEVClc; |
|
GetBitContext *gb = &lc->gb; |
|
int ctb_addr_ts, ret; |
|
|
|
*gb = nal->gb; |
|
s->nal_unit_type = nal->type; |
|
s->temporal_id = nal->temporal_id; |
|
|
|
switch (s->nal_unit_type) { |
|
case HEVC_NAL_VPS: |
|
ret = ff_hevc_decode_nal_vps(gb, s->avctx, &s->ps); |
|
if (ret < 0) |
|
goto fail; |
|
break; |
|
case HEVC_NAL_SPS: |
|
ret = ff_hevc_decode_nal_sps(gb, s->avctx, &s->ps, |
|
s->apply_defdispwin); |
|
if (ret < 0) |
|
goto fail; |
|
break; |
|
case HEVC_NAL_PPS: |
|
ret = ff_hevc_decode_nal_pps(gb, s->avctx, &s->ps); |
|
if (ret < 0) |
|
goto fail; |
|
break; |
|
case HEVC_NAL_SEI_PREFIX: |
|
case HEVC_NAL_SEI_SUFFIX: |
|
ret = ff_hevc_decode_nal_sei(gb, s->avctx, &s->sei, |
|
s->nal_unit_type); |
|
if (ret < 0) |
|
goto fail; |
|
break; |
|
case HEVC_NAL_TRAIL_R: |
|
case HEVC_NAL_TRAIL_N: |
|
case HEVC_NAL_TSA_N: |
|
case HEVC_NAL_TSA_R: |
|
case HEVC_NAL_STSA_N: |
|
case HEVC_NAL_STSA_R: |
|
case HEVC_NAL_BLA_W_LP: |
|
case HEVC_NAL_BLA_W_RADL: |
|
case HEVC_NAL_BLA_N_LP: |
|
case HEVC_NAL_IDR_W_RADL: |
|
case HEVC_NAL_IDR_N_LP: |
|
case HEVC_NAL_CRA_NUT: |
|
case HEVC_NAL_RADL_N: |
|
case HEVC_NAL_RADL_R: |
|
case HEVC_NAL_RASL_N: |
|
case HEVC_NAL_RASL_R: |
|
ret = hls_slice_header(s); |
|
if (ret < 0) |
|
return ret; |
|
|
|
if (s->max_ra == INT_MAX) { |
|
if (s->nal_unit_type == HEVC_NAL_CRA_NUT || IS_BLA(s)) { |
|
s->max_ra = s->poc; |
|
} else { |
|
if (IS_IDR(s)) |
|
s->max_ra = INT_MIN; |
|
} |
|
} |
|
|
|
if ((s->nal_unit_type == HEVC_NAL_RASL_R || s->nal_unit_type == HEVC_NAL_RASL_N) && |
|
s->poc <= s->max_ra) { |
|
s->is_decoded = 0; |
|
break; |
|
} else { |
|
if (s->nal_unit_type == HEVC_NAL_RASL_R && s->poc > s->max_ra) |
|
s->max_ra = INT_MIN; |
|
} |
|
|
|
if (s->sh.first_slice_in_pic_flag) { |
|
ret = hevc_frame_start(s); |
|
if (ret < 0) |
|
return ret; |
|
} else if (!s->ref) { |
|
av_log(s->avctx, AV_LOG_ERROR, "First slice in a frame missing.\n"); |
|
goto fail; |
|
} |
|
|
|
if (s->nal_unit_type != s->first_nal_type) { |
|
av_log(s->avctx, AV_LOG_ERROR, |
|
"Non-matching NAL types of the VCL NALUs: %d %d\n", |
|
s->first_nal_type, s->nal_unit_type); |
|
return AVERROR_INVALIDDATA; |
|
} |
|
|
|
if (!s->sh.dependent_slice_segment_flag && |
|
s->sh.slice_type != HEVC_SLICE_I) { |
|
ret = ff_hevc_slice_rpl(s); |
|
if (ret < 0) { |
|
av_log(s->avctx, AV_LOG_WARNING, |
|
"Error constructing the reference lists for the current slice.\n"); |
|
goto fail; |
|
} |
|
} |
|
|
|
if (s->sh.first_slice_in_pic_flag && s->avctx->hwaccel) { |
|
ret = s->avctx->hwaccel->start_frame(s->avctx, NULL, 0); |
|
if (ret < 0) |
|
goto fail; |
|
} |
|
|
|
if (s->avctx->hwaccel) { |
|
ret = s->avctx->hwaccel->decode_slice(s->avctx, nal->raw_data, nal->raw_size); |
|
if (ret < 0) |
|
goto fail; |
|
} else { |
|
ctb_addr_ts = hls_slice_data(s); |
|
if (ctb_addr_ts >= (s->ps.sps->ctb_width * s->ps.sps->ctb_height)) { |
|
s->is_decoded = 1; |
|
if ((s->ps.pps->transquant_bypass_enable_flag || |
|
(s->ps.sps->pcm.loop_filter_disable_flag && s->ps.sps->pcm_enabled_flag)) && |
|
s->ps.sps->sao_enabled) |
|
restore_tqb_pixels(s); |
|
} |
|
|
|
if (ctb_addr_ts < 0) { |
|
ret = ctb_addr_ts; |
|
goto fail; |
|
} |
|
} |
|
break; |
|
case HEVC_NAL_EOS_NUT: |
|
case HEVC_NAL_EOB_NUT: |
|
s->seq_decode = (s->seq_decode + 1) & 0xff; |
|
s->max_ra = INT_MAX; |
|
break; |
|
case HEVC_NAL_AUD: |
|
case HEVC_NAL_FD_NUT: |
|
break; |
|
default: |
|
av_log(s->avctx, AV_LOG_INFO, |
|
"Skipping NAL unit %d\n", s->nal_unit_type); |
|
} |
|
|
|
return 0; |
|
fail: |
|
if (s->avctx->err_recognition & AV_EF_EXPLODE) |
|
return ret; |
|
return 0; |
|
} |
|
|
|
static int decode_nal_units(HEVCContext *s, const uint8_t *buf, int length) |
|
{ |
|
int i, ret = 0; |
|
|
|
s->ref = NULL; |
|
s->eos = 0; |
|
|
|
/* split the input packet into NAL units, so we know the upper bound on the |
|
* number of slices in the frame */ |
|
ret = ff_h2645_packet_split(&s->pkt, buf, length, s->avctx, s->is_nalff, |
|
s->nal_length_size, s->avctx->codec_id); |
|
if (ret < 0) { |
|
av_log(s->avctx, AV_LOG_ERROR, |
|
"Error splitting the input into NAL units.\n"); |
|
return ret; |
|
} |
|
|
|
for (i = 0; i < s->pkt.nb_nals; i++) { |
|
if (s->pkt.nals[i].type == HEVC_NAL_EOB_NUT || |
|
s->pkt.nals[i].type == HEVC_NAL_EOS_NUT) |
|
s->eos = 1; |
|
} |
|
|
|
/* decode the NAL units */ |
|
for (i = 0; i < s->pkt.nb_nals; i++) { |
|
ret = decode_nal_unit(s, &s->pkt.nals[i]); |
|
if (ret < 0) { |
|
av_log(s->avctx, AV_LOG_WARNING, |
|
"Error parsing NAL unit #%d.\n", i); |
|
goto fail; |
|
} |
|
} |
|
|
|
fail: |
|
if (s->ref) |
|
ff_thread_report_progress(&s->ref->tf, INT_MAX, 0); |
|
|
|
return ret; |
|
} |
|
|
|
static void print_md5(void *log_ctx, int level, uint8_t md5[16]) |
|
{ |
|
int i; |
|
for (i = 0; i < 16; i++) |
|
av_log(log_ctx, level, "%02"PRIx8, md5[i]); |
|
} |
|
|
|
static int verify_md5(HEVCContext *s, AVFrame *frame) |
|
{ |
|
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(frame->format); |
|
int pixel_shift; |
|
int i, j; |
|
|
|
if (!desc) |
|
return AVERROR(EINVAL); |
|
|
|
pixel_shift = desc->comp[0].depth > 8; |
|
|
|
av_log(s->avctx, AV_LOG_DEBUG, "Verifying checksum for frame with POC %d: ", |
|
s->poc); |
|
|
|
/* the checksums are LE, so we have to byteswap for >8bpp formats |
|
* on BE arches */ |
|
#if HAVE_BIGENDIAN |
|
if (pixel_shift && !s->checksum_buf) { |
|
av_fast_malloc(&s->checksum_buf, &s->checksum_buf_size, |
|
FFMAX3(frame->linesize[0], frame->linesize[1], |
|
frame->linesize[2])); |
|
if (!s->checksum_buf) |
|
return AVERROR(ENOMEM); |
|
} |
|
#endif |
|
|
|
for (i = 0; frame->data[i]; i++) { |
|
int width = s->avctx->coded_width; |
|
int height = s->avctx->coded_height; |
|
int w = (i == 1 || i == 2) ? (width >> desc->log2_chroma_w) : width; |
|
int h = (i == 1 || i == 2) ? (height >> desc->log2_chroma_h) : height; |
|
uint8_t md5[16]; |
|
|
|
av_md5_init(s->md5_ctx); |
|
for (j = 0; j < h; j++) { |
|
const uint8_t *src = frame->data[i] + j * frame->linesize[i]; |
|
#if HAVE_BIGENDIAN |
|
if (pixel_shift) { |
|
s->bdsp.bswap16_buf((uint16_t *) s->checksum_buf, |
|
(const uint16_t *) src, w); |
|
src = s->checksum_buf; |
|
} |
|
#endif |
|
av_md5_update(s->md5_ctx, src, w << pixel_shift); |
|
} |
|
av_md5_final(s->md5_ctx, md5); |
|
|
|
if (!memcmp(md5, s->sei.picture_hash.md5[i], 16)) { |
|
av_log (s->avctx, AV_LOG_DEBUG, "plane %d - correct ", i); |
|
print_md5(s->avctx, AV_LOG_DEBUG, md5); |
|
av_log (s->avctx, AV_LOG_DEBUG, "; "); |
|
} else { |
|
av_log (s->avctx, AV_LOG_ERROR, "mismatching checksum of plane %d - ", i); |
|
print_md5(s->avctx, AV_LOG_ERROR, md5); |
|
av_log (s->avctx, AV_LOG_ERROR, " != "); |
|
print_md5(s->avctx, AV_LOG_ERROR, s->sei.picture_hash.md5[i]); |
|
av_log (s->avctx, AV_LOG_ERROR, "\n"); |
|
return AVERROR_INVALIDDATA; |
|
} |
|
} |
|
|
|
av_log(s->avctx, AV_LOG_DEBUG, "\n"); |
|
|
|
return 0; |
|
} |
|
|
|
static int hevc_decode_extradata(HEVCContext *s, uint8_t *buf, int length) |
|
{ |
|
AVCodecContext *avctx = s->avctx; |
|
GetByteContext gb; |
|
int ret, i; |
|
|
|
bytestream2_init(&gb, buf, length); |
|
|
|
if (length > 3 && (buf[0] || buf[1] || buf[2] > 1)) { |
|
/* It seems the extradata is encoded as hvcC format. |
|
* Temporarily, we support configurationVersion==0 until 14496-15 3rd |
|
* is finalized. When finalized, configurationVersion will be 1 and we |
|
* can recognize hvcC by checking if avctx->extradata[0]==1 or not. */ |
|
int i, j, num_arrays, nal_len_size; |
|
|
|
s->is_nalff = 1; |
|
|
|
bytestream2_skip(&gb, 21); |
|
nal_len_size = (bytestream2_get_byte(&gb) & 3) + 1; |
|
num_arrays = bytestream2_get_byte(&gb); |
|
|
|
/* nal units in the hvcC always have length coded with 2 bytes, |
|
* so put a fake nal_length_size = 2 while parsing them */ |
|
s->nal_length_size = 2; |
|
|
|
/* Decode nal units from hvcC. */ |
|
for (i = 0; i < num_arrays; i++) { |
|
int type = bytestream2_get_byte(&gb) & 0x3f; |
|
int cnt = bytestream2_get_be16(&gb); |
|
|
|
for (j = 0; j < cnt; j++) { |
|
// +2 for the nal size field |
|
int nalsize = bytestream2_peek_be16(&gb) + 2; |
|
if (bytestream2_get_bytes_left(&gb) < nalsize) { |
|
av_log(s->avctx, AV_LOG_ERROR, |
|
"Invalid NAL unit size in extradata.\n"); |
|
return AVERROR_INVALIDDATA; |
|
} |
|
|
|
ret = decode_nal_units(s, gb.buffer, nalsize); |
|
if (ret < 0) { |
|
av_log(avctx, AV_LOG_ERROR, |
|
"Decoding nal unit %d %d from hvcC failed\n", |
|
type, i); |
|
return ret; |
|
} |
|
bytestream2_skip(&gb, nalsize); |
|
} |
|
} |
|
|
|
/* Now store right nal length size, that will be used to parse |
|
* all other nals */ |
|
s->nal_length_size = nal_len_size; |
|
} else { |
|
s->is_nalff = 0; |
|
ret = decode_nal_units(s, buf, length); |
|
if (ret < 0) |
|
return ret; |
|
} |
|
|
|
/* export stream parameters from the first SPS */ |
|
for (i = 0; i < FF_ARRAY_ELEMS(s->ps.sps_list); i++) { |
|
if (s->ps.sps_list[i]) { |
|
const HEVCSPS *sps = (const HEVCSPS*)s->ps.sps_list[i]->data; |
|
export_stream_params(s->avctx, &s->ps, sps); |
|
break; |
|
} |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static int hevc_decode_frame(AVCodecContext *avctx, void *data, int *got_output, |
|
AVPacket *avpkt) |
|
{ |
|
int ret; |
|
int new_extradata_size; |
|
uint8_t *new_extradata; |
|
HEVCContext *s = avctx->priv_data; |
|
|
|
if (!avpkt->size) { |
|
ret = ff_hevc_output_frame(s, data, 1); |
|
if (ret < 0) |
|
return ret; |
|
|
|
*got_output = ret; |
|
return 0; |
|
} |
|
|
|
new_extradata = av_packet_get_side_data(avpkt, AV_PKT_DATA_NEW_EXTRADATA, |
|
&new_extradata_size); |
|
if (new_extradata && new_extradata_size > 0) { |
|
ret = hevc_decode_extradata(s, new_extradata, new_extradata_size); |
|
if (ret < 0) |
|
return ret; |
|
} |
|
|
|
s->ref = NULL; |
|
ret = decode_nal_units(s, avpkt->data, avpkt->size); |
|
if (ret < 0) |
|
return ret; |
|
|
|
if (avctx->hwaccel) { |
|
if (s->ref && avctx->hwaccel->end_frame(avctx) < 0) |
|
av_log(avctx, AV_LOG_ERROR, |
|
"hardware accelerator failed to decode picture\n"); |
|
} else { |
|
/* verify the SEI checksum */ |
|
if (avctx->err_recognition & AV_EF_CRCCHECK && s->is_decoded && |
|
s->sei.picture_hash.is_md5) { |
|
ret = verify_md5(s, s->ref->frame); |
|
if (ret < 0 && avctx->err_recognition & AV_EF_EXPLODE) { |
|
ff_hevc_unref_frame(s, s->ref, ~0); |
|
return ret; |
|
} |
|
} |
|
} |
|
s->sei.picture_hash.is_md5 = 0; |
|
|
|
if (s->is_decoded) { |
|
av_log(avctx, AV_LOG_DEBUG, "Decoded frame with POC %d.\n", s->poc); |
|
s->is_decoded = 0; |
|
} |
|
|
|
if (s->output_frame->buf[0]) { |
|
av_frame_move_ref(data, s->output_frame); |
|
*got_output = 1; |
|
} |
|
|
|
return avpkt->size; |
|
} |
|
|
|
static int hevc_ref_frame(HEVCContext *s, HEVCFrame *dst, HEVCFrame *src) |
|
{ |
|
int ret = ff_thread_ref_frame(&dst->tf, &src->tf); |
|
if (ret < 0) |
|
return ret; |
|
|
|
dst->tab_mvf_buf = av_buffer_ref(src->tab_mvf_buf); |
|
if (!dst->tab_mvf_buf) |
|
goto fail; |
|
dst->tab_mvf = src->tab_mvf; |
|
|
|
dst->rpl_tab_buf = av_buffer_ref(src->rpl_tab_buf); |
|
if (!dst->rpl_tab_buf) |
|
goto fail; |
|
dst->rpl_tab = src->rpl_tab; |
|
|
|
dst->rpl_buf = av_buffer_ref(src->rpl_buf); |
|
if (!dst->rpl_buf) |
|
goto fail; |
|
|
|
dst->poc = src->poc; |
|
dst->ctb_count = src->ctb_count; |
|
dst->flags = src->flags; |
|
dst->sequence = src->sequence; |
|
|
|
if (src->hwaccel_picture_private) { |
|
dst->hwaccel_priv_buf = av_buffer_ref(src->hwaccel_priv_buf); |
|
if (!dst->hwaccel_priv_buf) |
|
goto fail; |
|
dst->hwaccel_picture_private = dst->hwaccel_priv_buf->data; |
|
} |
|
|
|
return 0; |
|
fail: |
|
ff_hevc_unref_frame(s, dst, ~0); |
|
return AVERROR(ENOMEM); |
|
} |
|
|
|
static av_cold int hevc_decode_free(AVCodecContext *avctx) |
|
{ |
|
HEVCContext *s = avctx->priv_data; |
|
int i; |
|
|
|
pic_arrays_free(s); |
|
|
|
av_freep(&s->md5_ctx); |
|
|
|
av_frame_free(&s->tmp_frame); |
|
av_frame_free(&s->output_frame); |
|
|
|
for (i = 0; i < FF_ARRAY_ELEMS(s->DPB); i++) { |
|
ff_hevc_unref_frame(s, &s->DPB[i], ~0); |
|
av_frame_free(&s->DPB[i].frame); |
|
} |
|
|
|
for (i = 0; i < FF_ARRAY_ELEMS(s->ps.vps_list); i++) |
|
av_buffer_unref(&s->ps.vps_list[i]); |
|
for (i = 0; i < FF_ARRAY_ELEMS(s->ps.sps_list); i++) |
|
av_buffer_unref(&s->ps.sps_list[i]); |
|
for (i = 0; i < FF_ARRAY_ELEMS(s->ps.pps_list); i++) |
|
av_buffer_unref(&s->ps.pps_list[i]); |
|
|
|
ff_h2645_packet_uninit(&s->pkt); |
|
|
|
return 0; |
|
} |
|
|
|
static av_cold int hevc_init_context(AVCodecContext *avctx) |
|
{ |
|
HEVCContext *s = avctx->priv_data; |
|
int i; |
|
|
|
s->avctx = avctx; |
|
|
|
s->tmp_frame = av_frame_alloc(); |
|
if (!s->tmp_frame) |
|
goto fail; |
|
|
|
s->output_frame = av_frame_alloc(); |
|
if (!s->output_frame) |
|
goto fail; |
|
|
|
for (i = 0; i < FF_ARRAY_ELEMS(s->DPB); i++) { |
|
s->DPB[i].frame = av_frame_alloc(); |
|
if (!s->DPB[i].frame) |
|
goto fail; |
|
s->DPB[i].tf.f = s->DPB[i].frame; |
|
} |
|
|
|
s->max_ra = INT_MAX; |
|
|
|
s->md5_ctx = av_md5_alloc(); |
|
if (!s->md5_ctx) |
|
goto fail; |
|
|
|
ff_bswapdsp_init(&s->bdsp); |
|
|
|
s->context_initialized = 1; |
|
|
|
return 0; |
|
|
|
fail: |
|
hevc_decode_free(avctx); |
|
return AVERROR(ENOMEM); |
|
} |
|
|
|
static int hevc_update_thread_context(AVCodecContext *dst, |
|
const AVCodecContext *src) |
|
{ |
|
HEVCContext *s = dst->priv_data; |
|
HEVCContext *s0 = src->priv_data; |
|
int i, ret; |
|
|
|
if (!s->context_initialized) { |
|
ret = hevc_init_context(dst); |
|
if (ret < 0) |
|
return ret; |
|
} |
|
|
|
for (i = 0; i < FF_ARRAY_ELEMS(s->DPB); i++) { |
|
ff_hevc_unref_frame(s, &s->DPB[i], ~0); |
|
if (s0->DPB[i].frame->buf[0]) { |
|
ret = hevc_ref_frame(s, &s->DPB[i], &s0->DPB[i]); |
|
if (ret < 0) |
|
return ret; |
|
} |
|
} |
|
|
|
for (i = 0; i < FF_ARRAY_ELEMS(s->ps.vps_list); i++) { |
|
av_buffer_unref(&s->ps.vps_list[i]); |
|
if (s0->ps.vps_list[i]) { |
|
s->ps.vps_list[i] = av_buffer_ref(s0->ps.vps_list[i]); |
|
if (!s->ps.vps_list[i]) |
|
return AVERROR(ENOMEM); |
|
} |
|
} |
|
|
|
for (i = 0; i < FF_ARRAY_ELEMS(s->ps.sps_list); i++) { |
|
av_buffer_unref(&s->ps.sps_list[i]); |
|
if (s0->ps.sps_list[i]) { |
|
s->ps.sps_list[i] = av_buffer_ref(s0->ps.sps_list[i]); |
|
if (!s->ps.sps_list[i]) |
|
return AVERROR(ENOMEM); |
|
} |
|
} |
|
|
|
for (i = 0; i < FF_ARRAY_ELEMS(s->ps.pps_list); i++) { |
|
av_buffer_unref(&s->ps.pps_list[i]); |
|
if (s0->ps.pps_list[i]) { |
|
s->ps.pps_list[i] = av_buffer_ref(s0->ps.pps_list[i]); |
|
if (!s->ps.pps_list[i]) |
|
return AVERROR(ENOMEM); |
|
} |
|
} |
|
|
|
if (s->ps.sps != s0->ps.sps) |
|
ret = set_sps(s, s0->ps.sps, src->pix_fmt); |
|
|
|
s->seq_decode = s0->seq_decode; |
|
s->seq_output = s0->seq_output; |
|
s->pocTid0 = s0->pocTid0; |
|
s->max_ra = s0->max_ra; |
|
|
|
s->is_nalff = s0->is_nalff; |
|
s->nal_length_size = s0->nal_length_size; |
|
|
|
if (s0->eos) { |
|
s->seq_decode = (s->seq_decode + 1) & 0xff; |
|
s->max_ra = INT_MAX; |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static av_cold int hevc_decode_init(AVCodecContext *avctx) |
|
{ |
|
HEVCContext *s = avctx->priv_data; |
|
int ret; |
|
|
|
avctx->internal->allocate_progress = 1; |
|
|
|
ret = hevc_init_context(avctx); |
|
if (ret < 0) |
|
return ret; |
|
|
|
if (avctx->extradata_size > 0 && avctx->extradata) { |
|
ret = hevc_decode_extradata(s, avctx->extradata, avctx->extradata_size); |
|
if (ret < 0) { |
|
hevc_decode_free(avctx); |
|
return ret; |
|
} |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static av_cold int hevc_init_thread_copy(AVCodecContext *avctx) |
|
{ |
|
HEVCContext *s = avctx->priv_data; |
|
int ret; |
|
|
|
memset(s, 0, sizeof(*s)); |
|
|
|
ret = hevc_init_context(avctx); |
|
if (ret < 0) |
|
return ret; |
|
|
|
return 0; |
|
} |
|
|
|
static void hevc_decode_flush(AVCodecContext *avctx) |
|
{ |
|
HEVCContext *s = avctx->priv_data; |
|
ff_hevc_flush_dpb(s); |
|
s->max_ra = INT_MAX; |
|
} |
|
|
|
#define OFFSET(x) offsetof(HEVCContext, x) |
|
#define PAR (AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_VIDEO_PARAM) |
|
|
|
static const AVOption options[] = { |
|
{ "apply_defdispwin", "Apply default display window from VUI", OFFSET(apply_defdispwin), |
|
AV_OPT_TYPE_INT, {.i64 = 0}, 0, 1, PAR }, |
|
{ NULL }, |
|
}; |
|
|
|
static const AVClass hevc_decoder_class = { |
|
.class_name = "HEVC decoder", |
|
.item_name = av_default_item_name, |
|
.option = options, |
|
.version = LIBAVUTIL_VERSION_INT, |
|
}; |
|
|
|
AVCodec ff_hevc_decoder = { |
|
.name = "hevc", |
|
.long_name = NULL_IF_CONFIG_SMALL("HEVC (High Efficiency Video Coding)"), |
|
.type = AVMEDIA_TYPE_VIDEO, |
|
.id = AV_CODEC_ID_HEVC, |
|
.priv_data_size = sizeof(HEVCContext), |
|
.priv_class = &hevc_decoder_class, |
|
.init = hevc_decode_init, |
|
.close = hevc_decode_free, |
|
.decode = hevc_decode_frame, |
|
.flush = hevc_decode_flush, |
|
.update_thread_context = hevc_update_thread_context, |
|
.init_thread_copy = hevc_init_thread_copy, |
|
.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_DELAY | |
|
AV_CODEC_CAP_FRAME_THREADS, |
|
.profiles = NULL_IF_CONFIG_SMALL(ff_hevc_profiles), |
|
.caps_internal = FF_CODEC_CAP_EXPORTS_CROPPING | FF_CODEC_CAP_INIT_THREADSAFE, |
|
};
|
|
|