[FFmpeg-devel] Test case for Closed caption decoder.

Anshul anshul.ffmpeg at gmail.com
Tue Apr 28 10:35:20 CEST 2015

On 04/27/2015 10:38 PM, Clément Bœsch wrote:
> On Mon, Apr 27, 2015 at 10:35:49PM +0530, Anshul wrote:
>> Hello,
>> I am attaching patch for closed caption decoder.
>> Thanks
>> Anshul
>>  From 230cd5d9de356a8e84d2c36f91510631317986db Mon Sep 17 00:00:00 2001
>> From: Anshul Maheshwari <er.anshul.maheshwari at gmail.com>
>> Date: Mon, 27 Apr 2015 22:33:48 +0530
>> Subject: [PATCH] Adding Closed caption sub test case
>> Signed-off-by: Anshul Maheshwari <er.anshul.maheshwari at gmail.com>
>> ---
>>   tests/fate/subtitles.mak |  3 +++
>>   tests/ref/fate/sub-cc    | 13 +++++++++++++
>>   2 files changed, 16 insertions(+)
>>   create mode 100644 tests/ref/fate/sub-cc
>> diff --git a/tests/fate/subtitles.mak b/tests/fate/subtitles.mak
>> index 53cd4cb..7f71602 100644
>> --- a/tests/fate/subtitles.mak
>> +++ b/tests/fate/subtitles.mak
>> @@ -1,6 +1,9 @@
>>   fate-sub-aqtitle: CMD = fmtstdout ass -sub_charenc windows-1250 -i $(TARGET_SAMPLES)/sub/AQTitle_capability_tester.aqt
>> +fate-sub-cc: CMD = fmtstdout ass -f lavfi -i "movie=$(TARGET_SAMPLES)/sub/Closedcaption_atsc_rollup.ts[out0+subcc]"
> it seems to also depend on TS demuxer, and movie source filter
>> +
>>   FATE_SUBTITLES_ASS-$(call DEMDEC, JACOSUB, JACOSUB) += fate-sub-jacosub
>>   fate-sub-jacosub: CMD = fmtstdout ass -i $(TARGET_SAMPLES)/sub/JACOsub_capability_tester.jss
>> diff --git a/tests/ref/fate/sub-cc b/tests/ref/fate/sub-cc
>> new file mode 100644
>> index 0000000..5ea8c22
>> --- /dev/null
>> +++ b/tests/ref/fate/sub-cc
>> @@ -0,0 +1,13 @@
>> +[Script Info]
>> +; Script generated by FFmpeg/Lavc
>> +ScriptType: v4.00+
>> +PlayResX: 384
>> +PlayResY: 288
>> +
>> +[V4+ Styles]
>> +Format: Name, Fontname, Fontsize, PrimaryColour, SecondaryColour, OutlineColour, BackColour, Bold, Italic, Underline, StrikeOut, ScaleX, ScaleY, Spacing, Angle, BorderStyle, Outline, Shadow, Alignment, MarginL, MarginR, MarginV, Encoding
>> +Style: Default,Arial,16,&Hffffff,&Hffffff,&H0,&H0,0,0,0,0,100,100,0,0,1,1,0,2,10,10,10,0
>> +
>> +[Events]
>> +Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text
>> +Dialogue: 0,0:00:36.87,0:00:38.37,Default,,0,0,0,,( explosion )\NDialogue: 0,0:00:38.37,0:00:40.51,Default,,0,0,0,,( explosion )\N( inaudible radio chatter )\NDialogue: 0,0:00:40.51,0:00:41.88,Default,,0,0,0,,( inaudible radio chatter )\N>> Safety remains our number one\NDialogue: 0,0:00:41.88,0:00:43.34,Default,,0,0,0,,>> Safety remains our number one\Npriority.\NDialogue: 0,0:00:43.34,0:00:44.51,Default,,0,0,0,,priority.\N>> BP can talk about safety all\NDialogue: 0,0:00:44.51,0:00:45.88,Default,,0,0,0,,>> BP can talk about safety all\Nthey want, but they're not going\NDialogue: 0,0:00:45.88,0:00:47.95,Default,,0,0,0,,they want, but they're not going\Nto become a safer company.\NDialogue: 0,0:00:47.95,0:00:49.52,Default,,0,0,0,,to become a safer company.\N>> They base everything on risk.\NDialogue: 0,0:00:49.52,0:00:50.65,Default,,0,0,0,,>> They base everything on risk.\N"How many lives can we afford to\NDialogue: 0,0:00:50.65,0:00:51.65,Default,,0,0,0,,"How many lives can we afford to\Nlose before we need to deal with\NDialogue: 0,0:00:51.65,0:00:52.55,Default,,0,0,0,,lose before we need to deal with\Nthis?"\NDialogue: 0,0:00:52.55,0:00:53.25,Default,,0,0,0,,this?"\N>> 9-1.\NDialogue: 0,0:00:53.25,0:00:55.22,Default,,0,0,0,,>> 9-1.\N>> Yes, this plant just blew up!\NDialogue: 0,0:00:55.22,0:00:57.19,Default,,0,0,0,,>> Yes, this plant just blew up!\N>> From Texas and Alaska to the\NDialogue: 0,0:00:57.19,0:00:58.39,Default,,0,0,0,,>> From Texas and Alaska to the\NGulf of Mexico...\NDialogue: 0,0:00:58.39,0:01:00.19,Default,,0,0,0,,Gulf of Mexico...\N>> BP apologized again...\NDialogue: 0,0:01:00.19,0:01:02.33,Default,,0,0,0,,>> BP apologized again...\N>> ... Apology after apology.\NDialogue: 0,0:01:02.33,0:01:03.10,Default,,0,0,0,,>> ... Apology after apology.\N>> They pledged repeatedly to\NDialogue: 0,0:01:03.10,0:01:05.40,Default,,0,0,0,,>> They pledged repeatedly to\Nrun a safer operation, yet they\NDialogue: 0,0:01:05.40,0:01:07.17,Default,,0,0,0,,run a safer operation, yet they\Ncontinued to cut costs.\NDialogue: 0,0:01:07.17,0:01:08.67,Default,,0,0,0,,continued to cut costs.\N>> We have a facility here that\NDialogue: 0,0:01:08.67,0:01:10.17,Default,,0,0,0,,>> We have a facility here that\Ncould produce a cloud of gas\NDialogue: 0,0:01:10.17,0:01:11.57,Default,,0,0,0,,could produce a cloud of gas\Nthat would make this place look\NDialogue: 0,0:01:11.57,0:01:13.04,Default,,0,0,0,,that would make this place look\Nlike Hiroshima.\NDialogue: 0,0:01:13.04,0:01:15.21,Default,,0,0,0,,like Hiroshima.\N>> What went wrong at BP?\NDialogue: 0,0:01:15.21,0:01:17.11,Default,,0,0,0,,>> What went wrong at BP?\N>> The culture of BP management\N
> Where are the line breaks?
I have added patch in closed caption decoder.
but that will make fate test fail till closed caption decoder patch is 
since I have put the reference closed caption with line breaks.

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