Anshul <anshul.ffmpeg <at> gmail.com> writes:
> > Attached patch fixes an issue with ffplay here (it
> > tries to scale the text subtitles), please comment,
>
> Any Video sample that work with this patch and do
> not work without it would be great.
Full Episode 2.mp4
> At my PC I am not able to play any ClosedCaption Sample
> from mine own repository with ffplay even with this patch.
I suspect you mean ticket #2067, subtitles are
not well supported in libavfilter making showing
text subtitles difficult.
But for the moment, I would suggest we concentrate
on ffmpeg, there are still several Closed Captions
samples that do not work.
> Command line output would also be welcomed.
$ ffplay Full\ Episode\ 2.mp4
ffplay version N-74678-g6701c92 Copyright (c) 2003-2015
the FFmpeg developers
built with gcc 4.7 (SUSE Linux)
configuration: --enable-gpl
libavutil 54. 31.100 / 54. 31.100
libavcodec 56. 58.100 / 56. 58.100
libavformat 56. 40.101 / 56. 40.101
libavdevice 56. 4.100 / 56. 4.100
libavfilter 5. 38.100 / 5. 38.100
libswscale 3. 1.101 / 3. 1.101
libswresample 1. 2.101 / 1. 2.101
libpostproc 53. 3.100 / 53. 3.100
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x7f7d1c000920] multiple edit list
entries, a/v desync might occur, patch welcome
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'Full Episode 2.mp4':
Metadata:
major_brand : isom
minor_version : 1
compatible_brands: isomavc1iso6
creation_time : 2015-08-06 12:12:47
Duration: 00:22:37.82, start: 0.000000, bitrate: 483 kb/s
Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661),
yuv420p, 1024x576, 357 kb/s, 23.98 fps, 23.98 tbr, 11988 tbn,
47.95 tbc (default)
Metadata:
creation_time : 2015-08-06 12:12:47
handler_name : h264@GPAC0.5.2-DEV-rev248-g39d5978-master
Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D),
48000 Hz, stereo, fltp, 122 kb/s (default)
Metadata:
creation_time : 2015-08-06 11:48:49
handler_name : Sound Media Handler
Stream #0:2(eng): Subtitle: eia_608 (c608 / 0x38303663),
1920x1080, 0 kb/s (default)
Metadata:
creation_time : 2014-04-03 05:32:25
handler_name : Apple Closed Caption Media Handler
[Closed caption Decoder @ 0x7f7d1c40be60] Data Ignored since
exceeding screen width
Last message repeated 25 times
[swscaler @ 0x7f7cec000c60] 0x0 -> 0x0 is invalid scaling dimension
Cannot initialize the sub conversion context
> Though patch looks correct to me
Pushed, thank you!
> just need more information for testing
> and documenting it here.
Of course.
Could you comment again on ticket #4616?
When I remove the additional bytes in the
eia_608 packets from the mov demuxer, I
still don't get useful subttiles from the
decoder...
Thank you, Carl Eugen
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