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357 lines
12 KiB
357 lines
12 KiB
/* |
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* Copyright (c) 2002 Michael Niedermayer <michaelni@gmx.at> |
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* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License along |
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* with FFmpeg; if not, write to the Free Software Foundation, Inc., |
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
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*/ |
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/** |
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* @file |
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* MP test source, ported from MPlayer libmpcodecs/vf_test.c |
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*/ |
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#include "libavutil/opt.h" |
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#include "libavutil/pixdesc.h" |
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#include "avfilter.h" |
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#include "filters.h" |
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#include "video.h" |
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#define WIDTH 512 |
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#define HEIGHT 512 |
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enum test_type { |
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TEST_DC_LUMA, |
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TEST_DC_CHROMA, |
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TEST_FREQ_LUMA, |
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TEST_FREQ_CHROMA, |
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TEST_AMP_LUMA, |
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TEST_AMP_CHROMA, |
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TEST_CBP, |
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TEST_MV, |
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TEST_RING1, |
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TEST_RING2, |
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TEST_ALL, |
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TEST_NB |
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}; |
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typedef struct MPTestContext { |
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const AVClass *class; |
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AVRational frame_rate; |
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int64_t pts, max_pts, duration; |
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int64_t max_frames; |
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int hsub, vsub; |
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int test; ///< test_type |
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} MPTestContext; |
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#define OFFSET(x) offsetof(MPTestContext, x) |
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#define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM |
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static const AVOption mptestsrc_options[]= { |
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{ "rate", "set video rate", OFFSET(frame_rate), AV_OPT_TYPE_VIDEO_RATE, {.str = "25"}, 0, INT_MAX, FLAGS }, |
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{ "r", "set video rate", OFFSET(frame_rate), AV_OPT_TYPE_VIDEO_RATE, {.str = "25"}, 0, INT_MAX, FLAGS }, |
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{ "duration", "set video duration", OFFSET(duration), AV_OPT_TYPE_DURATION, {.i64 = -1}, -1, INT64_MAX, FLAGS }, |
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{ "d", "set video duration", OFFSET(duration), AV_OPT_TYPE_DURATION, {.i64 = -1}, -1, INT64_MAX, FLAGS }, |
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{ "test", "set test to perform", OFFSET(test), AV_OPT_TYPE_INT, {.i64=TEST_ALL}, 0, INT_MAX, FLAGS, .unit = "test" }, |
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{ "t", "set test to perform", OFFSET(test), AV_OPT_TYPE_INT, {.i64=TEST_ALL}, 0, INT_MAX, FLAGS, .unit = "test" }, |
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{ "dc_luma", "", 0, AV_OPT_TYPE_CONST, {.i64=TEST_DC_LUMA}, INT_MIN, INT_MAX, FLAGS, .unit = "test" }, |
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{ "dc_chroma", "", 0, AV_OPT_TYPE_CONST, {.i64=TEST_DC_CHROMA}, INT_MIN, INT_MAX, FLAGS, .unit = "test" }, |
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{ "freq_luma", "", 0, AV_OPT_TYPE_CONST, {.i64=TEST_FREQ_LUMA}, INT_MIN, INT_MAX, FLAGS, .unit = "test" }, |
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{ "freq_chroma", "", 0, AV_OPT_TYPE_CONST, {.i64=TEST_FREQ_CHROMA}, INT_MIN, INT_MAX, FLAGS, .unit = "test" }, |
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{ "amp_luma", "", 0, AV_OPT_TYPE_CONST, {.i64=TEST_AMP_LUMA}, INT_MIN, INT_MAX, FLAGS, .unit = "test" }, |
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{ "amp_chroma", "", 0, AV_OPT_TYPE_CONST, {.i64=TEST_AMP_CHROMA}, INT_MIN, INT_MAX, FLAGS, .unit = "test" }, |
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{ "cbp", "", 0, AV_OPT_TYPE_CONST, {.i64=TEST_CBP}, INT_MIN, INT_MAX, FLAGS, .unit = "test" }, |
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{ "mv", "", 0, AV_OPT_TYPE_CONST, {.i64=TEST_MV}, INT_MIN, INT_MAX, FLAGS, .unit = "test" }, |
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{ "ring1", "", 0, AV_OPT_TYPE_CONST, {.i64=TEST_RING1}, INT_MIN, INT_MAX, FLAGS, .unit = "test" }, |
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{ "ring2", "", 0, AV_OPT_TYPE_CONST, {.i64=TEST_RING2}, INT_MIN, INT_MAX, FLAGS, .unit = "test" }, |
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{ "all", "", 0, AV_OPT_TYPE_CONST, {.i64=TEST_ALL}, INT_MIN, INT_MAX, FLAGS, .unit = "test" }, |
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{ "max_frames", "Set the maximum number of frames generated for each test", OFFSET(max_frames), |
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AV_OPT_TYPE_INT64, {.i64 = 30}, 1, INT64_MAX, FLAGS }, |
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{ "m", "Set the maximum number of frames generated for each test", OFFSET(max_frames), |
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AV_OPT_TYPE_INT64, {.i64 = 30}, 1, INT64_MAX, FLAGS }, |
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{ NULL } |
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}; |
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AVFILTER_DEFINE_CLASS(mptestsrc); |
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static double c[64]; |
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static void init_idct(void) |
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{ |
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int i, j; |
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for (i = 0; i < 8; i++) { |
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double s = i == 0 ? sqrt(0.125) : 0.5; |
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for (j = 0; j < 8; j++) |
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c[i*8+j] = s*cos((M_PI/8.0)*i*(j+0.5)); |
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} |
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} |
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static void idct(uint8_t *dst, int dst_linesize, int src[64]) |
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{ |
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int i, j, k; |
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double tmp[64]; |
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for (i = 0; i < 8; i++) { |
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for (j = 0; j < 8; j++) { |
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double sum = 0.0; |
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for (k = 0; k < 8; k++) |
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sum += c[k*8+j] * src[8*i+k]; |
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tmp[8*i+j] = sum; |
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} |
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} |
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for (j = 0; j < 8; j++) { |
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for (i = 0; i < 8; i++) { |
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double sum = 0.0; |
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for (k = 0; k < 8; k++) |
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sum += c[k*8+i]*tmp[8*k+j]; |
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dst[dst_linesize*i + j] = av_clip_uint8(lrint(sum)); |
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} |
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} |
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} |
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static void draw_dc(uint8_t *dst, int dst_linesize, int color, int w, int h) |
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{ |
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int x, y; |
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for (y = 0; y < h; y++) |
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for (x = 0; x < w; x++) |
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dst[x + y*dst_linesize] = color; |
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} |
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static void draw_basis(uint8_t *dst, int dst_linesize, int amp, int freq, int dc) |
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{ |
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int src[64]; |
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memset(src, 0, 64*sizeof(int)); |
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src[0] = dc; |
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if (amp) |
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src[freq] = amp; |
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idct(dst, dst_linesize, src); |
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} |
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static void draw_cbp(uint8_t *dst[3], int dst_linesize[3], int cbp, int amp, int dc) |
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{ |
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if (cbp&1) draw_basis(dst[0] , dst_linesize[0], amp, 1, dc); |
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if (cbp&2) draw_basis(dst[0]+8 , dst_linesize[0], amp, 1, dc); |
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if (cbp&4) draw_basis(dst[0]+ 8*dst_linesize[0], dst_linesize[0], amp, 1, dc); |
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if (cbp&8) draw_basis(dst[0]+8+8*dst_linesize[0], dst_linesize[0], amp, 1, dc); |
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if (cbp&16) draw_basis(dst[1] , dst_linesize[1], amp, 1, dc); |
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if (cbp&32) draw_basis(dst[2] , dst_linesize[2], amp, 1, dc); |
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} |
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static void dc_test(uint8_t *dst, int dst_linesize, int w, int h, int off) |
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{ |
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const int step = FFMAX(256/(w*h/256), 1); |
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int x, y, color = off; |
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for (y = 0; y < h; y += 16) { |
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for (x = 0; x < w; x += 16) { |
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draw_dc(dst + x + y*dst_linesize, dst_linesize, color, 8, 8); |
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color += step; |
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} |
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} |
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} |
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static void freq_test(uint8_t *dst, int dst_linesize, int off) |
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{ |
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int x, y, freq = 0; |
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for (y = 0; y < 8*16; y += 16) { |
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for (x = 0; x < 8*16; x += 16) { |
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draw_basis(dst + x + y*dst_linesize, dst_linesize, 4*(96+off), freq, 128*8); |
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freq++; |
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} |
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} |
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} |
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static void amp_test(uint8_t *dst, int dst_linesize, int off) |
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{ |
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int x, y, amp = off; |
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for (y = 0; y < 16*16; y += 16) { |
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for (x = 0; x < 16*16; x += 16) { |
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draw_basis(dst + x + y*dst_linesize, dst_linesize, 4*amp, 1, 128*8); |
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amp++; |
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} |
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} |
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} |
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static void cbp_test(uint8_t *dst[3], int dst_linesize[3], int off) |
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{ |
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int x, y, cbp = 0; |
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for (y = 0; y < 16*8; y += 16) { |
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for (x = 0; x < 16*8; x += 16) { |
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uint8_t *dst1[3]; |
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dst1[0] = dst[0] + x*2 + y*2*dst_linesize[0]; |
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dst1[1] = dst[1] + x + y* dst_linesize[1]; |
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dst1[2] = dst[2] + x + y* dst_linesize[2]; |
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draw_cbp(dst1, dst_linesize, cbp, (64+off)*4, 128*8); |
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cbp++; |
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} |
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} |
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} |
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static void mv_test(uint8_t *dst, int dst_linesize, int off) |
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{ |
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int x, y; |
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for (y = 0; y < 16*16; y++) { |
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if (y&16) |
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continue; |
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for (x = 0; x < 16*16; x++) |
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dst[x + y*dst_linesize] = x + off*8/(y/32+1); |
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} |
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} |
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static void ring1_test(uint8_t *dst, int dst_linesize, int off) |
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{ |
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int x, y, color = 0; |
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for (y = off; y < 16*16; y += 16) { |
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for (x = off; x < 16*16; x += 16) { |
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draw_dc(dst + x + y*dst_linesize, dst_linesize, ((x+y)&16) ? color : -color, 16, 16); |
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color++; |
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} |
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} |
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} |
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static void ring2_test(uint8_t *dst, int dst_linesize, int off) |
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{ |
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int x, y; |
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for (y = 0; y < 16*16; y++) { |
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for (x = 0; x < 16*16; x++) { |
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double d = hypot(x-8*16, y-8*16); |
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double r = d/20 - (int)(d/20); |
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if (r < off/30.0) { |
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dst[x + y*dst_linesize] = 255; |
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dst[x + y*dst_linesize+256] = 0; |
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} else { |
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dst[x + y*dst_linesize] = x; |
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dst[x + y*dst_linesize+256] = x; |
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} |
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} |
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} |
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} |
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static av_cold int init(AVFilterContext *ctx) |
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{ |
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MPTestContext *test = ctx->priv; |
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test->max_pts = test->duration >= 0 ? |
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av_rescale_q(test->duration, AV_TIME_BASE_Q, av_inv_q(test->frame_rate)) : -1; |
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test->pts = 0; |
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av_log(ctx, AV_LOG_VERBOSE, "rate:%d/%d duration:%f\n", |
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test->frame_rate.num, test->frame_rate.den, |
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test->duration < 0 ? -1 : test->max_pts * av_q2d(av_inv_q(test->frame_rate))); |
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init_idct(); |
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return 0; |
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} |
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static int config_props(AVFilterLink *outlink) |
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{ |
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AVFilterContext *ctx = outlink->src; |
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FilterLink *l = ff_filter_link(outlink); |
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MPTestContext *test = ctx->priv; |
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const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(outlink->format); |
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test->hsub = pix_desc->log2_chroma_w; |
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test->vsub = pix_desc->log2_chroma_h; |
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outlink->w = WIDTH; |
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outlink->h = HEIGHT; |
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outlink->time_base = av_inv_q(test->frame_rate); |
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l->frame_rate = test->frame_rate; |
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return 0; |
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} |
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static int request_frame(AVFilterLink *outlink) |
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{ |
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FilterLink *outl = ff_filter_link(outlink); |
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MPTestContext *test = outlink->src->priv; |
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AVFrame *picref; |
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int w = WIDTH, h = HEIGHT, |
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cw = AV_CEIL_RSHIFT(w, test->hsub), ch = AV_CEIL_RSHIFT(h, test->vsub); |
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uint64_t frame = outl->frame_count_in / test->max_frames; |
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uint64_t mod = outl->frame_count_in % test->max_frames; |
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enum test_type tt = test->test; |
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int i; |
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if (test->max_pts >= 0 && test->pts > test->max_pts) |
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return AVERROR_EOF; |
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picref = ff_get_video_buffer(outlink, w, h); |
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if (!picref) |
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return AVERROR(ENOMEM); |
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picref->pts = test->pts++; |
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picref->duration = 1; |
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// clean image |
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for (i = 0; i < h; i++) |
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memset(picref->data[0] + i*picref->linesize[0], 0, w); |
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for (i = 0; i < ch; i++) { |
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memset(picref->data[1] + i*picref->linesize[1], 128, cw); |
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memset(picref->data[2] + i*picref->linesize[2], 128, cw); |
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} |
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if (tt == TEST_ALL && mod) /* draw a black frame at the beginning of each test */ |
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tt = frame%(TEST_NB-1); |
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switch (tt) { |
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case TEST_DC_LUMA: dc_test(picref->data[0], picref->linesize[0], 256, 256, mod); break; |
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case TEST_DC_CHROMA: dc_test(picref->data[1], picref->linesize[1], 256, 256, mod); break; |
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case TEST_FREQ_LUMA: freq_test(picref->data[0], picref->linesize[0], mod); break; |
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case TEST_FREQ_CHROMA: freq_test(picref->data[1], picref->linesize[1], mod); break; |
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case TEST_AMP_LUMA: amp_test(picref->data[0], picref->linesize[0], mod); break; |
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case TEST_AMP_CHROMA: amp_test(picref->data[1], picref->linesize[1], mod); break; |
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case TEST_CBP: cbp_test(picref->data , picref->linesize , mod); break; |
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case TEST_MV: mv_test(picref->data[0], picref->linesize[0], mod); break; |
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case TEST_RING1: ring1_test(picref->data[0], picref->linesize[0], mod); break; |
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case TEST_RING2: ring2_test(picref->data[0], picref->linesize[0], mod); break; |
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} |
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return ff_filter_frame(outlink, picref); |
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} |
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static const AVFilterPad mptestsrc_outputs[] = { |
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{ |
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.name = "default", |
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.type = AVMEDIA_TYPE_VIDEO, |
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.request_frame = request_frame, |
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.config_props = config_props, |
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}, |
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}; |
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const AVFilter ff_vsrc_mptestsrc = { |
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.name = "mptestsrc", |
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.description = NULL_IF_CONFIG_SMALL("Generate various test pattern."), |
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.priv_size = sizeof(MPTestContext), |
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.priv_class = &mptestsrc_class, |
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.init = init, |
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.inputs = NULL, |
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FILTER_OUTPUTS(mptestsrc_outputs), |
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FILTER_SINGLE_PIXFMT(AV_PIX_FMT_YUV420P), |
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};
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