mirror of https://git.ffmpeg.org/ffmpeg.git
FATE: add a test for sliced scaling
This commit is contained in:
Anton Khirnov
parent
94170e0411
commit
5fdb5ed613
2
Makefile
2
Makefile
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@ -64,6 +64,8 @@ tools/target_io_dem_fuzzer$(EXESUF): tools/target_io_dem_fuzzer.o $(FF_DEP_LIBS)
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tools/enum_options$(EXESUF): ELIBS = $(FF_EXTRALIBS)
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tools/enum_options$(EXESUF): $(FF_DEP_LIBS)
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tools/scale_slice_test$(EXESUF): $(FF_DEP_LIBS)
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tools/scale_slice_test$(EXESUF): ELIBS = $(FF_EXTRALIBS)
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tools/sofa2wavs$(EXESUF): ELIBS = $(FF_EXTRALIBS)
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tools/uncoded_frame$(EXESUF): $(FF_DEP_LIBS)
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tools/uncoded_frame$(EXESUF): ELIBS = $(FF_EXTRALIBS)
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@ -221,6 +221,7 @@ $(FATE_FFPROBE) $(FATE_FFMPEG_FFPROBE) $(FATE_SAMPLES_FFPROBE) $(FATE_SAMPLES_FF
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$(FATE_SAMPLES_FASTSTART): tools/qt-faststart$(EXESUF)
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$(FATE_SAMPLES_DUMP_DATA): tools/venc_data_dump$(EXESUF)
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$(FATE_SAMPLES_SCALE_SLICE): tools/scale_slice_test$(EXESUF)
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ifdef SAMPLES
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FATE += $(FATE_EXTERN)
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@ -6,6 +6,17 @@ FATE_LIBSWSCALE += fate-sws-floatimg-cmp
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fate-sws-floatimg-cmp: libswscale/tests/floatimg_cmp$(EXESUF)
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fate-sws-floatimg-cmp: CMD = run libswscale/tests/floatimg_cmp$(EXESUF)
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SWS_SLICE_TEST-$(call DEMDEC, MATROSKA, VP9) += fate-sws-slice-yuv422-12bit-rgb48
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fate-sws-slice-yuv422-12bit-rgb48: CMD = run tools/scale_slice_test$(EXESUF) $(TARGET_SAMPLES)/vp9-test-vectors/vp93-2-20-12bit-yuv422.webm 150 100 rgb48
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SWS_SLICE_TEST-$(call DEMDEC, IMAGE_BMP_PIPE, BMP) += fate-sws-slice-bgr0-nv12
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fate-sws-slice-bgr0-nv12: CMD = run tools/scale_slice_test$(EXESUF) $(TARGET_SAMPLES)/bmp/test32bf.bmp 32 64 nv12
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fate-sws-slice: $(SWS_SLICE_TEST-yes)
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$(SWS_SLICE_TEST-yes): tools/scale_slice_test$(EXESUF)
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$(SWS_SLICE_TEST-yes): REF = /dev/null
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FATE_LIBSWSCALE += $(SWS_SLICE_TEST-yes)
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FATE_LIBSWSCALE += $(FATE_LIBSWSCALE-yes)
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FATE-$(CONFIG_SWSCALE) += $(FATE_LIBSWSCALE)
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fate-libswscale: $(FATE_LIBSWSCALE)
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@ -1,4 +1,4 @@
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TOOLS = enum_options qt-faststart trasher uncoded_frame
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TOOLS = enum_options qt-faststart scale_slice_test trasher uncoded_frame
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TOOLS-$(CONFIG_LIBMYSOFA) += sofa2wavs
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TOOLS-$(CONFIG_ZLIB) += cws2fws
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@ -18,6 +18,7 @@ tools/target_io_dem_fuzzer.o: tools/target_dem_fuzzer.c
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$(COMPILE_C) -DIO_FLAT=0
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tools/venc_data_dump$(EXESUF): tools/decode_simple.o
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tools/scale_slice_test$(EXESUF): tools/decode_simple.o
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OUTDIRS += tools
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@ -0,0 +1,190 @@
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/*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <stdio.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include "decode_simple.h"
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#include "libavutil/common.h"
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#include "libavutil/pixdesc.h"
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#include "libavutil/error.h"
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#include "libavutil/lfg.h"
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#include "libavutil/random_seed.h"
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#include "libavutil/video_enc_params.h"
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#include "libavformat/avformat.h"
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#include "libavcodec/avcodec.h"
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#include "libswscale/swscale.h"
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typedef struct PrivData {
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unsigned int random_seed;
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AVLFG lfg;
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struct SwsContext *scaler;
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int v_shift_dst, h_shift_dst;
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int v_shift_src, h_shift_src;
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AVFrame *frame_ref;
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AVFrame *frame_dst;
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} PrivData;
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static int process_frame(DecodeContext *dc, AVFrame *frame)
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{
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PrivData *pd = dc->opaque;
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int slice_start = 0;
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int ret;
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if (!frame)
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return 0;
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if (!pd->scaler) {
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pd->scaler = sws_getContext(frame->width, frame->height, frame->format,
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pd->frame_ref->width, pd->frame_ref->height,
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pd->frame_ref->format, 0, NULL, NULL, NULL);
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if (!pd->scaler)
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return AVERROR(ENOMEM);
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av_pix_fmt_get_chroma_sub_sample(frame->format, &pd->h_shift_src, &pd->v_shift_src);
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}
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/* scale the whole input frame as reference */
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ret = sws_scale(pd->scaler, (const uint8_t **)frame->data, frame->linesize, 0, frame->height,
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pd->frame_ref->data, pd->frame_ref->linesize);
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if (ret < 0)
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return ret;
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/* scale slices with randomly generated heights */
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while (slice_start < frame->height) {
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int slice_height;
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const uint8_t *src[4];
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slice_height = av_lfg_get(&pd->lfg) % (frame->height - slice_start);
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slice_height = FFALIGN(FFMAX(1, slice_height), 1 << pd->v_shift_src);
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for (int j = 0; j < FF_ARRAY_ELEMS(src) && frame->data[j]; j++) {
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int shift = (j == 1 || j == 2) ? pd->v_shift_src : 0;
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src[j] = frame->data[j] + frame->linesize[j] * (slice_start >> shift);
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}
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ret = sws_scale(pd->scaler, src, frame->linesize, slice_start, slice_height,
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pd->frame_dst->data, pd->frame_dst->linesize);
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if (ret < 0)
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return ret;
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slice_start += slice_height;
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}
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/* compare the two results */
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for (int i = 0; i < 4 && pd->frame_ref->data[i]; i++) {
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int shift = (i == 1 || i == 2) ? pd->v_shift_dst : 0;
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if (memcmp(pd->frame_ref->data[i], pd->frame_dst->data[i],
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pd->frame_ref->linesize[i] * (pd->frame_ref->height >> shift))) {
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fprintf(stderr, "mismatch frame %d seed %u\n",
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dc->decoder->frame_number - 1, pd->random_seed);
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return AVERROR(EINVAL);
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}
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}
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return 0;
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}
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int main(int argc, char **argv)
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{
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PrivData pd;
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DecodeContext dc;
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int width, height;
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enum AVPixelFormat pix_fmt;
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const char *filename;
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int ret = 0;
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if (argc <= 4) {
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fprintf(stderr,
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"Usage: %s <input file> <dst width> <dst height> <dst pixfmt> [<random seed>] \n",
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argv[0]);
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return 0;
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}
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memset(&pd, 0, sizeof(pd));
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filename = argv[1];
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width = strtol(argv[2], NULL, 0);
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height = strtol(argv[3], NULL, 0);
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pix_fmt = av_get_pix_fmt(argv[4]);
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/* init RNG for generating slice sizes */
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if (argc >= 6)
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pd.random_seed = strtoul(argv[5], NULL, 0);
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else
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pd.random_seed = av_get_random_seed();
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av_lfg_init(&pd.lfg, pd.random_seed);
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av_pix_fmt_get_chroma_sub_sample(pix_fmt, &pd.h_shift_dst, &pd.v_shift_dst);
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/* allocate the frames for scaler output */
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for (int i = 0; i < 2; i++) {
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AVFrame *frame = av_frame_alloc();
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if (!frame) {
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fprintf(stderr, "Error allocating frames\n");
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return AVERROR(ENOMEM);
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}
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frame->width = width;
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frame->height = height;
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frame->format = pix_fmt;
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ret = av_frame_get_buffer(frame, 0);
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if (ret < 0) {
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fprintf(stderr, "Error allocating frame data\n");
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return ret;
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}
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/* make sure the padding is zeroed */
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for (int j = 0; j < 4 && frame->data[j]; j++) {
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int shift = (j == 1 || j == 2) ? pd.v_shift_dst : 0;
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memset(frame->data[j], 0,
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frame->linesize[j] * (height >> shift));
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}
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if (i) pd.frame_ref = frame;
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else pd.frame_dst = frame;
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}
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ret = ds_open(&dc, filename, 0);
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if (ret < 0) {
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fprintf(stderr, "Error opening the file\n");
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return ret;
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}
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dc.process_frame = process_frame;
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dc.opaque = &pd;
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ret = ds_run(&dc);
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av_frame_free(&pd.frame_dst);
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av_frame_free(&pd.frame_ref);
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sws_freeContext(pd.scaler);
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ds_free(&dc);
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return ret;
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}
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