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authorJan Ekström <jan.ekstrom@24i.com>2021-12-20 14:30:16 +0200
committerJan Ekström <jeebjp@gmail.com>2022-01-24 12:57:03 +0200
commit0a83ecbf48bdd591b264c3cbb70393bb518b1ecc (patch)
treeea6b3e392f6061edf0cd1f72977863a539998a15
parentb635ac126f340512335386d32bcd2693535945c3 (diff)
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>
-rw-r--r--tests/fate/ffmpeg.mak11
-rw-r--r--tests/ref/fate/ffmpeg-fix_sub_duration31
2 files changed, 42 insertions, 0 deletions
diff --git a/tests/fate/ffmpeg.mak b/tests/fate/ffmpeg.mak
index b48dd25a3b..4c884e458c 100644
--- a/tests/fate/ffmpeg.mak
+++ b/tests/fate/ffmpeg.mak
@@ -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\
diff --git a/tests/ref/fate/ffmpeg-fix_sub_duration b/tests/ref/fate/ffmpeg-fix_sub_duration
new file mode 100644
index 0000000000..9cd36d4888
--- /dev/null
+++ b/tests/ref/fate/ffmpeg-fix_sub_duration
@@ -0,0 +1,31 @@
+1
+00:00:00,968 --> 00:00:01,168
+<font face="Monospace">{\an7}(</font>
+
+2
+00:00:01,168 --> 00:00:01,368
+<font face="Monospace">{\an7}(<i> inaudibl</i></font>
+
+3
+00:00:01,368 --> 00:00:01,568
+<font face="Monospace">{\an7}(<i> inaudible radio chat</i></font>
+
+4
+00:00:01,568 --> 00:00:03,103
+<font face="Monospace">{\an7}(<i> inaudible radio chatter</i> )</font>
+
+5
+00:00:03,103 --> 00:00:03,303
+<font face="Monospace">{\an7}(<i> inaudible radio chatter</i> )
+>></font>
+
+6
+00:00:03,303 --> 00:00:03,503
+<font face="Monospace">{\an7}(<i> inaudible radio chatter</i> )
+>> Safety rema</font>
+
+7
+00:00:03,504 --> 00:00:03,704
+<font face="Monospace">{\an7}(<i> inaudible radio chatter</i> )
+>> Safety remains our numb</font>
+