From: Jan Ekström <jan.ekst...@24i.com>
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.ekst...@24i.com>
---
tests/fate/ffmpeg.mak | 10 +++++++++
tests/ref/fate/ffmpeg-fix_sub_duration | 31 ++++++++++++++++++++++++++
2 files changed, 41 insertions(+)
create mode 100644 tests/ref/fate/ffmpeg-fix_sub_duration
diff --git a/tests/fate/ffmpeg.mak b/tests/fate/ffmpeg.mak
index 4ba73a8dfa..f0d737aa5d 100644
--- a/tests/fate/ffmpeg.mak
+++ b/tests/fate/ffmpeg.mak
@@ -94,6 +94,16 @@ FATE_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 $(TARGET_PATH)/tests/data/vsynth_lena.yuv -filter_complex
"[0:a:0][1:a:0]amix=inputs=2[audio]" -map 2:v:0 -map "[audio]" -sws_flags
+accurate_rnd+bitexact -fflags +bitexact -flags +bitexact -idct simple -dct
fastint -qscale 10 -threads 1 -c:v mpeg4 -c:a ac3_fixed -shortest
+# Basic test for fix_sub_duration, which calculates duration based on the
+# following subtitle's pts.
+FATE_FFMPEG-$(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..0ede5c6b90
--- /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>
+
--
2.33.1
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