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

Anshul anshul.ffmpeg at gmail.com
Tue May 5 17:03:42 CEST 2015



On 05/04/2015 08:50 PM, Michael Niedermayer wrote:
> On Mon, May 04, 2015 at 05:30:05PM +0530, Anshul wrote:
>>
>> On 05/04/2015 05:27 PM, Anshul wrote:
>>>
>>> On 05/04/2015 03:09 AM, Michael Niedermayer wrote:
>>>> On Sun, May 03, 2015 at 08:53:14PM +0200, Clément Bœsch wrote:
>>>>> On Sun, May 03, 2015 at 06:46:15PM +0530, Anshul wrote:
>>>>>> On 05/02/2015 08:24 PM, Clément Bœsch wrote:
>>>>>>> On Tue, Apr 28, 2015 at 07:50:15PM +0530, Anshul wrote:
>>>>>>>> On 04/28/2015 02:14 PM, Clément Bœsch wrote:
>>>>>>>>> Then FATE test patch should be applied after the CC patch.
>>>>>>>>>
>>>>>>>> New patch attached. I have used other ass api.
>>>>>>>>>> +fate-sub-cc: CMD = fmtstdout ass -f lavfi -i "movie=$(TARGET_SAMPLES)/sub/Closedcaption_atsc_rollup.ts[out0+subcc]"
>>>>>>>>>>
>>>>>>>>> BTW, do we really need to go through libavfilter to extract the cc?
>>>>>>>> Yes, there is no other way then libavfilter that I know.
>>>>>>>> Closed caption was
>>>>>>>> possible only after nicolas patch.
>>>>>>>> if you want more details, Why libavfilter was chosen,
>>>>>>>> you might need to read
>>>>>>>> last year's mail chain.
>>>>>>>> there has been long debate on it. so I don't want to
>>>>>>>> indulge myself again in
>>>>>>>> it.
>>>>>>>>>> +
>>>>>>>>>>   FATE_SUBTITLES_ASS-$(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..035a51a
>>>>>>>>>> --- /dev/null
>>>>>>>>>> +++ b/tests/ref/fate/sub-cc
>>>>>>>>>> @@ -0,0 +1,38 @@
>>>>>>>>>> +[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 )
>>>>>>>>>> +Dialogue: 0,0:00:38.37,0:00:40.51,Default,,0,0,0,,(
>>>>>>>>>> explosion )\N( inaudible radio chatter )
>>>>>>>>>> +Dialogue: 0,0:00:40.51,0:00:41.88,Default,,0,0,0,,(
>>>>>>>>>> inaudible radio chatter )\N>> Safety remains our
>>>>>>>>>> number one
>>>>>>>>>> +Dialogue:
>>>>>>>>>> 0,0:00:41.88,0:00:43.34,Default,,0,0,0,,>> Safety
>>>>>>>>>> remains our number one\Npriority.
>>>>>>>>>> +Dialogue:
>>>>>>>>>> 0,0:00:43.34,0:00:44.51,Default,,0,0,0,,priority.\N>>
>>>>>>>>>> BP can talk about safety all
>>>>>>>>>> +Dialogue:
>>>>>>>>>> 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
>>>>>>>>>> +Dialogue:
>>>>>>>>>> 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.
>>>>>>>>>> +Dialogue:
>>>>>>>>>> 0,0:00:47.95,0:00:49.52,Default,,0,0,0,,to become a
>>>>>>>>>> safer company.\N>> They base everything on risk.
>>>>>>>>>> +Dialogue:
>>>>>>>>>> 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
>>>>>>>>>> +Dialogue:
>>>>>>>>>> 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
>>>>>>>>>> +Dialogue:
>>>>>>>>>> 0,0:00:51.65,0:00:52.55,Default,,0,0,0,,lose before
>>>>>>>>>> we need to deal with\Nthis?"
>>>>>>>>>> +Dialogue: 0,0:00:52.55,0:00:53.25,Default,,0,0,0,,this?"\N>> 9-1.
>>>>>>>>>> +Dialogue:
>>>>>>>>>> 0,0:00:53.25,0:00:55.22,Default,,0,0,0,,>> 9-1.\N>>
>>>>>>>>>> Yes, this plant just blew up!
>>>>>>>>>> +Dialogue:
>>>>>>>>>> 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
>>>>>>>>>> +Dialogue:
>>>>>>>>>> 0,0:00:57.19,0:00:58.39,Default,,0,0,0,,>> From
>>>>>>>>>> Texas and Alaska to the\NGulf of Mexico...
>>>>>>>>>> +Dialogue:
>>>>>>>>>> 0,0:00:58.39,0:01:00.19,Default,,0,0,0,,Gulf of
>>>>>>>>>> Mexico...\N>> BP apologized again...
>>>>>>>>>> +Dialogue:
>>>>>>>>>> 0,0:01:00.19,0:01:02.33,Default,,0,0,0,,>> BP
>>>>>>>>>> apologized again...\N>> ... Apology after apology.
>>>>>>>>>> +Dialogue:
>>>>>>>>>> 0,0:01:02.33,0:01:03.10,Default,,0,0,0,,>> ...
>>>>>>>>>> Apology after apology.\N>> They pledged repeatedly
>>>>>>>>>> to
>>>>>>>>>> +Dialogue:
>>>>>>>>>> 0,0:01:03.10,0:01:05.40,Default,,0,0,0,,>> They
>>>>>>>>>> pledged repeatedly to\Nrun a safer operation, yet
>>>>>>>>>> they
>>>>>>>>>> +Dialogue:
>>>>>>>>>> 0,0:01:05.40,0:01:07.17,Default,,0,0,0,,run a safer
>>>>>>>>>> operation, yet they\Ncontinued to cut costs.
>>>>>>>>>> +Dialogue:
>>>>>>>>>> 0,0:01:07.17,0:01:08.67,Default,,0,0,0,,continued to
>>>>>>>>>> cut costs.\N>> We have a facility here that
>>>>>>>>>> +Dialogue:
>>>>>>>>>> 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
>>>>>>>>>> +Dialogue:
>>>>>>>>>> 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
>>>>>>>>>> +Dialogue:
>>>>>>>>>> 0,0:01:11.57,0:01:13.04,Default,,0,0,0,,that would
>>>>>>>>>> make this place look\Nlike Hiroshima.
>>>>>>>>>> +Dialogue:
>>>>>>>>>> 0,0:01:13.04,0:01:15.21,Default,,0,0,0,,like
>>>>>>>>>> Hiroshima.\N>> What went wrong at BP?
>>>>>>>>>> +Dialogue:
>>>>>>>>>> 0,0:01:15.21,0:01:17.11,Default,,0,0,0,,>> What went
>>>>>>>>>> wrong at BP?\N>> The culture of BP management
>>>>>>>>> This output looks better.
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> _______________________________________________
>>>>>>>>> ffmpeg-devel mailing list
>>>>>>>>> ffmpeg-devel at ffmpeg.org
>>>>>>>>> http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
>>>>>>>>  From 13dedb5bd7df3efd88f6a3b0dbc521e869d8f6a2 Mon Sep
>>>>>>>> 17 00:00:00 2001
>>>>>>>> From: Anshul Maheshwari <er.anshul.maheshwari at gmail.com>
>>>>>>>> Date: Tue, 28 Apr 2015 19:41:28 +0530
>>>>>>>> Subject: [PATCH] Correcting jumbled ass of captions
>>>>>>>>
>>>>>>>> Signed-off-by: Anshul Maheshwari <er.anshul.maheshwari at gmail.com>
>>>>>>>> ---
>>>>>>>>   libavcodec/ccaption_dec.c | 6 +++++-
>>>>>>>>   1 file changed, 5 insertions(+), 1 deletion(-)
>>>>>>>>
>>>>>>>> diff --git a/libavcodec/ccaption_dec.c b/libavcodec/ccaption_dec.c
>>>>>>>> index da43ca6..540e17f 100644
>>>>>>>> --- a/libavcodec/ccaption_dec.c
>>>>>>>> +++ b/libavcodec/ccaption_dec.c
>>>>>>>> @@ -338,6 +338,10 @@ static int
>>>>>>>> reap_screen(CCaptionSubContext *ctx, int64_t pts)
>>>>>>>>           }
>>>>>>>>       }
>>>>>>>> +    if(screen->row_used) {
>>>>>>>> +        ctx->buffer.len -= 2;
>>>>>>>> +        ctx->buffer.str[ctx->buffer.len] = 0;
>>>>>>>> +    }
>>>>>>> Please add an extra check about the ctx->buffer.len being >= 2
>>>>>>>
>>>>>>>>       ctx->startv_time = pts;
>>>>>>>>       ctx->end_time = pts;
>>>>>>>>       return ret;
>>>>>>>> @@ -550,7 +554,7 @@ static int decode(AVCodecContext
>>>>>>>> *avctx, void *data, int *got_sub, AVPacket *avp
>>>>>>>>               int start_time =
>>>>>>>> av_rescale_q(ctx->start_time, avctx->time_base,
>>>>>>>> (AVRational){ 1, 100 });
>>>>>>>>               int end_time = av_rescale_q(ctx->end_time,
>>>>>>>> avctx->time_base, (AVRational){ 1, 100 });
>>>>>>>>               av_dlog(ctx, "cdp writing data
>>>>>>>> (%s)\n",ctx->buffer.str);
>>>>>>>> -            ret = ff_ass_add_rect(sub, ctx->buffer.str,
>>>>>>>> start_time, end_time - start_time , 0);
>>>>>>>> +            ret = ff_ass_add_rect_bprint(sub,
>>>>>>>> &ctx->buffer, start_time, end_time - start_time);
>>>>>>>>               if (ret < 0)
>>>>>>>>                   return ret;
>>>>>>>>               sub->pts = av_rescale_q(ctx->start_time,
>>>>>>>> avctx->time_base, AV_TIME_BASE_Q);
>>>>>>> LGTM otherwise
>>>>>>>
>>>>>> New patch attached.
>>>>>>
>>>>>> -Anshul
>>>>>>  From 5e801ff90102f886507213bab7a7e1e827e5b2ab Mon Sep 17
>>>>>> 00:00:00 2001
>>>>>> From: Anshul Maheshwari <er.anshul.maheshwari at gmail.com>
>>>>>> Date: Sun, 3 May 2015 18:37:40 +0530
>>>>>> Subject: [PATCH] correcting line breaks in cc
>>>>>>
>>>>>> Signed-off-by: Anshul Maheshwari <er.anshul.maheshwari at gmail.com>
>>>>>> ---
>>>>>>   libavcodec/ccaption_dec.c | 6 +++++-
>>>>>>   1 file changed, 5 insertions(+), 1 deletion(-)
>>>>>>
>>>>>> diff --git a/libavcodec/ccaption_dec.c b/libavcodec/ccaption_dec.c
>>>>>> index da43ca6..264d21c 100644
>>>>>> --- a/libavcodec/ccaption_dec.c
>>>>>> +++ b/libavcodec/ccaption_dec.c
>>>>>> @@ -338,6 +338,10 @@ static int
>>>>>> reap_screen(CCaptionSubContext *ctx, int64_t pts)
>>>>>>           }
>>>>>>         }
>>>>>> +    if(screen->row_used && ctx->buffer.len >= 2 ) {
>>>>>> +        ctx->buffer.len -= 2;
>>>>>> +        ctx->buffer.str[ctx->buffer.len] = 0;
>>>>>> +    }
>>>>>>       ctx->startv_time = pts;
>>>>>>       ctx->end_time = pts;
>>>>>>       return ret;
>>>>>> @@ -550,7 +554,7 @@ static int decode(AVCodecContext *avctx,
>>>>>> void *data, int *got_sub, AVPacket *avp
>>>>>>               int start_time = av_rescale_q(ctx->start_time,
>>>>>> avctx->time_base, (AVRational){ 1, 100 });
>>>>>>               int end_time = av_rescale_q(ctx->end_time,
>>>>>> avctx->time_base, (AVRational){ 1, 100 });
>>>>>>               av_dlog(ctx, "cdp writing data (%s)\n",ctx->buffer.str);
>>>>>> -            ret = ff_ass_add_rect(sub, ctx->buffer.str,
>>>>>> start_time, end_time - start_time , 0);
>>>>>> +            ret = ff_ass_add_rect_bprint(sub, &ctx->buffer,
>>>>>> start_time, end_time - start_time);
>>>>>>               if (ret < 0)
>>>>>>                   return ret;
>>>>>>               sub->pts = av_rescale_q(ctx->start_time,
>>>>>> avctx->time_base, AV_TIME_BASE_Q);
>>>>> LGTM (apart from the style, but the whole file is broken in that regard
>>>>> anyway)
>>>> patch applied
>>>>
>>>> [...]
>>>>
>>>>
>>> Actual test case patch is still not applied. we applied line break
>>> patch which was by-product of the actual patch.
>>> I am attaching patch again here.
>>>
>>> -Anshul
>> Here is link of video which need to copied in the correct place.
>> http://gsocdev.ccextractor.org/~anshul/test_video/Closedcaption_rollup.ts
> this is 31mb, that does not seem reasonable for a subtitle test,
> please provide a smaller file, like one without unused/untested
> video streams or a shorter one
>
> also fate fails with the patch applied
> probably line endings arent preserved somewhere, probably best to
> push to github and post a link
>
> --- ./tests/ref/fate/sub-cc     2015-05-04 16:28:48.471575601 +0200
> +++ tests/data/fate/sub-cc      2015-05-04 17:09:24.243626916 +0200
> @@ -1,38 +1,38 @@
> -[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 )
> -Dialogue: 0,0:00:38.37,0:00:40.51,Default,,0,0,0,,( explosion )\N( inaudible radio chatter )
> -Dialogue: 0,0:00:40.51,0:00:41.88,Default,,0,0,0,,( inaudible radio chatter )\N>> Safety remains our number one
> -Dialogue: 0,0:00:41.88,0:00:43.34,Default,,0,0,0,,>> Safety remains our number one\Npriority.
> -Dialogue: 0,0:00:43.34,0:00:44.51,Default,,0,0,0,,priority.\N>> BP can talk about safety all
> -Dialogue: 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
> -Dialogue: 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.
> -Dialogue: 0,0:00:47.95,0:00:49.52,Default,,0,0,0,,to become a safer company.\N>> They base everything on risk.
> -Dialogue: 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
> -Dialogue: 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
> -Dialogue: 0,0:00:51.65,0:00:52.55,Default,,0,0,0,,lose before we need to deal with\Nthis?"
> -Dialogue: 0,0:00:52.55,0:00:53.25,Default,,0,0,0,,this?"\N>> 9-1.
> -Dialogue: 0,0:00:53.25,0:00:55.22,Default,,0,0,0,,>> 9-1.\N>> Yes, this plant just blew up!
> -Dialogue: 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
> -Dialogue: 0,0:00:57.19,0:00:58.39,Default,,0,0,0,,>> From Texas and Alaska to the\NGulf of Mexico...
> -Dialogue: 0,0:00:58.39,0:01:00.19,Default,,0,0,0,,Gulf of Mexico...\N>> BP apologized again...
> -Dialogue: 0,0:01:00.19,0:01:02.33,Default,,0,0,0,,>> BP apologized again...\N>> ... Apology after apology.
> -Dialogue: 0,0:01:02.33,0:01:03.10,Default,,0,0,0,,>> ... Apology after apology.\N>> They pledged repeatedly to
> -Dialogue: 0,0:01:03.10,0:01:05.40,Default,,0,0,0,,>> They pledged repeatedly to\Nrun a safer operation, yet they
> -Dialogue: 0,0:01:05.40,0:01:07.17,Default,,0,0,0,,run a safer operation, yet they\Ncontinued to cut costs.
> -Dialogue: 0,0:01:07.17,0:01:08.67,Default,,0,0,0,,continued to cut costs.\N>> We have a facility here that
> -Dialogue: 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
> -Dialogue: 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
> -Dialogue: 0,0:01:11.57,0:01:13.04,Default,,0,0,0,,that would make this place look\Nlike Hiroshima.
> -Dialogue: 0,0:01:13.04,0:01:15.21,Default,,0,0,0,,like Hiroshima.\N>> What went wrong at BP?
> -Dialogue: 0,0:01:15.21,0:01:17.11,Default,,0,0,0,,>> What went wrong at BP?\N>> The culture of BP management
> +[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 )
> +Dialogue: 0,0:00:38.37,0:00:40.51,Default,,0,0,0,,( explosion )\N( inaudible radio chatter )
> +Dialogue: 0,0:00:40.51,0:00:41.88,Default,,0,0,0,,( inaudible radio chatter )\N>> Safety remains our number one
> +Dialogue: 0,0:00:41.88,0:00:43.34,Default,,0,0,0,,>> Safety remains our number one\Npriority.
> +Dialogue: 0,0:00:43.34,0:00:44.51,Default,,0,0,0,,priority.\N>> BP can talk about safety all
> +Dialogue: 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
> +Dialogue: 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.
> +Dialogue: 0,0:00:47.95,0:00:49.52,Default,,0,0,0,,to become a safer company.\N>> They base everything on risk.
> +Dialogue: 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
> +Dialogue: 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
> +Dialogue: 0,0:00:51.65,0:00:52.55,Default,,0,0,0,,lose before we need to deal with\Nthis?"
> +Dialogue: 0,0:00:52.55,0:00:53.25,Default,,0,0,0,,this?"\N>> 9-1.
> +Dialogue: 0,0:00:53.25,0:00:55.22,Default,,0,0,0,,>> 9-1.\N>> Yes, this plant just blew up!
> +Dialogue: 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
> +Dialogue: 0,0:00:57.19,0:00:58.39,Default,,0,0,0,,>> From Texas and Alaska to the\NGulf of Mexico...
> +Dialogue: 0,0:00:58.39,0:01:00.19,Default,,0,0,0,,Gulf of Mexico...\N>> BP apologized again...
> +Dialogue: 0,0:01:00.19,0:01:02.33,Default,,0,0,0,,>> BP apologized again...\N>> ... Apology after apology.
> +Dialogue: 0,0:01:02.33,0:01:03.10,Default,,0,0,0,,>> ... Apology after apology.\N>> They pledged repeatedly to
> +Dialogue: 0,0:01:03.10,0:01:05.40,Default,,0,0,0,,>> They pledged repeatedly to\Nrun a safer operation, yet they
> +Dialogue: 0,0:01:05.40,0:01:07.17,Default,,0,0,0,,run a safer operation, yet they\Ncontinued to cut costs.
> +Dialogue: 0,0:01:07.17,0:01:08.67,Default,,0,0,0,,continued to cut costs.\N>> We have a facility here that
> +Dialogue: 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
> +Dialogue: 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
> +Dialogue: 0,0:01:11.57,0:01:13.04,Default,,0,0,0,,that would make this place look\Nlike Hiroshima.
> +Dialogue: 0,0:01:13.04,0:01:15.21,Default,,0,0,0,,like Hiroshima.\N>> What went wrong at BP?
> +Dialogue: 0,0:01:15.21,0:01:17.11,Default,,0,0,0,,>> What went wrong at BP?\N>> The culture of BP management
> Test sub-cc failed. Look at tests/data/fate/sub-cc.err for details.
> make: *** [fate-sub-cc] Error 1
> make: *** Waiting for unfinished jobs....
>
>
> [...]
>
>
> _______________________________________________
> ffmpeg-devel mailing list
> ffmpeg-devel at ffmpeg.org
> http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
I have created pull request here.
https://github.com/FFmpeg/FFmpeg/pull/136

and here is shorter file then previous one.
http://gsocdev.ccextractor.org/~anshul/test_video/Closedcaption_atsc_rollup.ts

-Anshul


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