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tests: add test for ffmpeg's fix_sub_duration feature 

This long-existing feature calculates subtitle durations by keeping
it around until the following subtitle is decoded, and then utilizes
the following subtitle's pts as the end point of the previous one.

Signed-off-by: Jan Ekström <jan.ekstrom@24i.com>
This commit is contained in:
Jan Ekström 2021-12-20 14:30:16 +02:00 committed by Jan Ekström
parent b635ac126f
commit 0a83ecbf48
2 changed files with 42 additions and 0 deletions
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11
tests/fate/ffmpeg.mak
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@ -100,6 +100,17 @@ FATE_SAMPLES_FFMPEG-$(call ALLYES, FILE_PROTOCOL LAVFI_INDEV RAWVIDEO_DEMUXER \
fate-shortest: tests/data/vsynth_lena.yuv
fate-shortest: CMD = framecrc -auto_conversion_filters -f lavfi -i "sine=3000:d=10" -f lavfi -i "sine=1000:d=1" -sws_flags +accurate_rnd+bitexact -fflags +bitexact -flags +bitexact -idct simple -f rawvideo -s 352x288 -pix_fmt yuv420p -i $(TARGET_PATH)/tests/data/vsynth_lena.yuv -filter_complex "[0:a:0][1:a:0]amix=inputs=2[audio]" -map 2:v:0 -map "[audio]" -sws_flags +accurate_rnd+bitexact -fflags +bitexact -flags +bitexact -idct simple -dct fastint -qscale 10 -threads 1 -c:v mpeg4 -c:a ac3_fixed -shortest
# Basic test for fix_sub_duration, which calculates duration based on the
# following subtitle's pts.
FATE_SAMPLES_FFMPEG-$(call ALLYES, LAVFI_INDEV MOVIE_FILTER FILE_PROTOCOL \
PIPE_PROTOCOL MPEGVIDEO_DEMUXER \
MPEG2VIDEO_DECODER CCAPTION_DECODER \
SUBRIP_ENCODER SRT_MUXER) \
+= fate-ffmpeg-fix_sub_duration
fate-ffmpeg-fix_sub_duration: CMD = fmtstdout srt -fix_sub_duration \
-real_time 1 -f lavfi \
-i "movie=$(TARGET_SAMPLES)/sub/Closedcaption_rollup.m2v[out0+subcc]"
FATE_STREAMCOPY-$(call ALLYES, EAC3_DEMUXER MOV_MUXER) += fate-copy-trac3074
fate-copy-trac3074: $(SAMPLES)/eac3/csi_miami_stereo_128_spx.eac3
fate-copy-trac3074: CMD = transcode eac3 $(TARGET_SAMPLES)/eac3/csi_miami_stereo_128_spx.eac3\

31
tests/ref/fate/ffmpeg-fix_sub_duration Normal file
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