[FFmpeg-trac] #4744(ffmpeg:new): ffmpeg does not scale subtitles
FFmpeg
trac at avcodec.org
Wed Jul 29 23:46:37 CEST 2015
#4744: ffmpeg does not scale subtitles
--------------------------------------+--------------------------------
Reporter: cehoyos | Owner:
Type: defect | Status: new
Priority: normal | Component: ffmpeg
Version: git-master | Keywords: sub
Blocked By: | Blocking:
Reproduced by developer: 0 | Analyzed by developer: 0
--------------------------------------+--------------------------------
The samples from ticket #679 show the subtitles correctly with FFplay, but
they are no automatically scaled with ffmpeg.
{{{
$ ffmpeg -canvas_size 720x576 -i subtitles.ts -filter_complex
[0:0][0:3]overlay -qscale 2 out.avi
ffmpeg version N-74140-g6c87b86 Copyright (c) 2000-2015 the FFmpeg
developers
built with gcc 4.7 (SUSE Linux)
configuration: --enable-gpl --enable-libzvbi
libavutil 54. 29.100 / 54. 29.100
libavcodec 56. 56.101 / 56. 56.101
libavformat 56. 40.101 / 56. 40.101
libavdevice 56. 4.100 / 56. 4.100
libavfilter 5. 30.100 / 5. 30.100
libswscale 3. 1.101 / 3. 1.101
libswresample 1. 2.101 / 1. 2.101
libpostproc 53. 3.100 / 53. 3.100
[mpeg2video @ 0x3613fc0] Invalid frame dimensions 0x0.
Last message repeated 10 times
[NULL @ 0x3618a80] start time for stream 2 is not set in
estimate_timings_from_pts
[mpegts @ 0x35f0360] PES packet size mismatch
[mpegts @ 0x35f0360] Could not find codec parameters for stream 2 (Audio:
mp3 ([4][0][0][0] / 0x0004), 0 channels, s16p): unspecified frame size
Consider increasing the value for the 'analyzeduration' and 'probesize'
options
[mpegts @ 0x35f0360] Could not find codec parameters for stream 4
(Unknown: none ([11][0][0][0] / 0x000B)): unknown codec
Consider increasing the value for the 'analyzeduration' and 'probesize'
options
[mpegts @ 0x35f0360] Could not find codec parameters for stream 5
(Unknown: none ([11][0][0][0] / 0x000B)): unknown codec
Consider increasing the value for the 'analyzeduration' and 'probesize'
options
[mpegts @ 0x35f0360] Could not find codec parameters for stream 6
(Unknown: none ([11][0][0][0] / 0x000B)): unknown codec
Consider increasing the value for the 'analyzeduration' and 'probesize'
options
[mpegts @ 0x35f0360] Could not find codec parameters for stream 7
(Unknown: none ([11][0][0][0] / 0x000B)): unknown codec
Consider increasing the value for the 'analyzeduration' and 'probesize'
options
Input #0, mpegts, from 'subtitles.ts':
Duration: 00:00:09.21, start: 11318.457333, bitrate: 2223 kb/s
Program 8270
Metadata:
service_name : ITV1
service_provider: ITV
Program 8325
Metadata:
service_name : ITV2
service_provider: ITV
Program 8634
Metadata:
service_name : Rabbit
service_provider: Teletext Limited
Program 8384
Metadata:
service_name : Channel 4
service_provider: Channel 4 TV
Program 8448
Metadata:
service_name : E4
service_provider: Channel 4 TV
Program 8442
Metadata:
service_name : More 4
service_provider: Channel 4 TV
Stream #0:0[0x24e]: Video: mpeg2video (Main) ([2][0][0][0] / 0x0002),
yuv420p(tv), 544x576 [SAR 32:17 DAR 16:9], max. 15000 kb/s, 25 fps, 25
tbr, 90k tbn, 50 tbc
Stream #0:1[0x24f](eng): Audio: mp2 ([4][0][0][0] / 0x0004), 48000 Hz,
stereo, s16p, 192 kb/s
Stream #0:2[0x250](eng): Audio: mp3 ([4][0][0][0] / 0x0004), 0
channels, s16p (visual impaired)
Stream #0:3[0x251](eng): Subtitle: dvb_subtitle ([6][0][0][0] /
0x0006)
Stream #0:4[0x84f]: Unknown: none ([11][0][0][0] / 0x000B)
Stream #0:5[0x911]: Unknown: none ([11][0][0][0] / 0x000B)
Stream #0:6[0x912]: Unknown: none ([11][0][0][0] / 0x000B)
Stream #0:7[0xbbb]: Unknown: none ([11][0][0][0] / 0x000B)
Program 8452
Metadata:
service_name : Channel 4+1
service_provider: Channel 4 TV
Program 8577
Metadata:
service_name : Gay Rabbit
service_provider: Teletext Limited
Program 8500
Metadata:
service_name : Channel 5
service_provider: five
Program 8370
Metadata:
service_name : ITV1 +1
service_provider: ITV
Please use -q:a or -q:v, -qscale is ambiguous
Output #0, avi, to 'out.avi':
Metadata:
ISFT : Lavf56.40.101
Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 544x576 [SAR
32:17 DAR 16:9], q=2-31, 200 kb/s, 25 fps, 25 tbn, 25 tbc (default)
Metadata:
encoder : Lavc56.56.101 mpeg4
Stream #0:1(eng): Audio: ac3 ([0] [0][0] / 0x2000), 48000 Hz, stereo,
fltp, 192 kb/s
Metadata:
encoder : Lavc56.56.101 ac3
Stream mapping:
Stream #0:0 (mpeg2video) -> overlay:main (graph 0)
Stream #0:3 (dvbsub) -> overlay:overlay (graph 0)
overlay (graph 0) -> Stream #0:0 (mpeg4)
Stream #0:1 -> #0:1 (mp2 (native) -> ac3 (native))
Press [q] to stop, [?] for help
[mpegts @ 0x35f0360] PES packet size mismatche=00:00:07.88
bitrate=3515.2kbits/s
[mpeg2video @ 0x365a080] ac-tex damaged at 11 25
[mpeg2video @ 0x365a080] Warning MVs not available
[mpeg2video @ 0x365a080] concealing 374 DC, 374 AC, 374 MV errors in I
frame
Past duration 0.743889 too large
frame= 198 fps=0.0 q=2.0 Lsize= 4318kB time=00:00:09.24
bitrate=3828.2kbits/s
video:4100kB audio:196kB subtitle:0kB other streams:0kB global headers:0kB
muxing overhead: 0.498193%
}}}
{{{
$ ffmpeg -i BDAV\ recorded\ video\ sample.ts -filter_complex
[0:0][0:3]overlay -qscale 2 out.avi
ffmpeg version N-74140-g6c87b86 Copyright (c) 2000-2015 the FFmpeg
developers
built with gcc 4.7 (SUSE Linux)
configuration: --enable-gpl --enable-libzvbi
libavutil 54. 29.100 / 54. 29.100
libavcodec 56. 56.101 / 56. 56.101
libavformat 56. 40.101 / 56. 40.101
libavdevice 56. 4.100 / 56. 4.100
libavfilter 5. 30.100 / 5. 30.100
libswscale 3. 1.101 / 3. 1.101
libswresample 1. 2.101 / 1. 2.101
libpostproc 53. 3.100 / 53. 3.100
[h264 @ 0x1c637a0] non-existing SPS 0 referenced in buffering period
[h264 @ 0x1c637a0] non-existing PPS 0 referenced
[h264 @ 0x1c637a0] non-existing SPS 0 referenced in buffering period
[h264 @ 0x1c637a0] non-existing PPS 0 referenced
[h264 @ 0x1c637a0] decode_slice_header error
[h264 @ 0x1c637a0] non-existing PPS 0 referenced
[h264 @ 0x1c637a0] decode_slice_header error
[h264 @ 0x1c637a0] non-existing PPS 0 referenced
[h264 @ 0x1c637a0] decode_slice_header error
[h264 @ 0x1c637a0] non-existing PPS 0 referenced
[h264 @ 0x1c637a0] decode_slice_header error
[h264 @ 0x1c637a0] non-existing PPS 0 referenced
[h264 @ 0x1c637a0] decode_slice_header error
[h264 @ 0x1c637a0] non-existing PPS 0 referenced
[h264 @ 0x1c637a0] decode_slice_header error
[h264 @ 0x1c637a0] no frame!
...
[h264 @ 0x1c637a0] non-existing SPS 0 referenced in buffering period
[h264 @ 0x1c637a0] non-existing PPS 0 referenced
[h264 @ 0x1c637a0] non-existing SPS 0 referenced in buffering period
[h264 @ 0x1c637a0] non-existing PPS 0 referenced
[h264 @ 0x1c637a0] decode_slice_header error
[h264 @ 0x1c637a0] non-existing PPS 0 referenced
[h264 @ 0x1c637a0] decode_slice_header error
[h264 @ 0x1c637a0] non-existing PPS 0 referenced
[h264 @ 0x1c637a0] decode_slice_header error
[h264 @ 0x1c637a0] non-existing PPS 0 referenced
[h264 @ 0x1c637a0] decode_slice_header error
[h264 @ 0x1c637a0] non-existing PPS 0 referenced
[h264 @ 0x1c637a0] decode_slice_header error
[h264 @ 0x1c637a0] non-existing PPS 0 referenced
[h264 @ 0x1c637a0] decode_slice_header error
[h264 @ 0x1c637a0] no frame!
[mpegts @ 0x1c5d360] Could not find codec parameters for stream 4
(Unknown: none ([11][0][0][0] / 0x000B)): unknown codec
Consider increasing the value for the 'analyzeduration' and 'probesize'
options
Input #0, mpegts, from 'BDAV recorded video sample.ts':
Duration: 00:00:44.83, start: 47323.752122, bitrate: 4616 kb/s
Program 82
Metadata:
service_name : J2
service_provider: TVB
Stream #0:0[0x335]: Video: h264 (High) ([27][0][0][0] / 0x001B),
yuv420p(tv, bt709), 1920x1080 [SAR 1:1 DAR 16:9], 25 fps, 50 tbr, 90k tbn,
50 tbc
Stream #0:1[0x336]: Audio: ac3 (AC-3 / 0x332D4341), 48000 Hz, stereo,
fltp, 192 kb/s
Stream #0:2[0x337]: Audio: ac3 (AC-3 / 0x332D4341), 48000 Hz, stereo,
fltp, 192 kb/s
Stream #0:3[0x339](CHI): Subtitle: dvb_subtitle ([6][0][0][0] /
0x0006)
Stream #0:4[0x3e9]: Unknown: none ([11][0][0][0] / 0x000B)
Program 83
Metadata:
service_name : iNews
service_provider: TVB
Program 85
Metadata:
service_name : High Definition Jade
service_provider: TVB
Please use -q:a or -q:v, -qscale is ambiguous
[mpegts @ 0x1c5d360] sub2video: using 1920x1080 canvas
Output #0, avi, to 'out.avi':
Metadata:
ISFT : Lavf56.40.101
Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 1920x1080 [SAR
1:1 DAR 16:9], q=2-31, 200 kb/s, 25 fps, 25 tbn, 25 tbc (default)
Metadata:
encoder : Lavc56.56.101 mpeg4
Stream #0:1: Audio: ac3 ([0] [0][0] / 0x2000), 48000 Hz, stereo, fltp,
192 kb/s
Metadata:
encoder : Lavc56.56.101 ac3
Stream mapping:
Stream #0:0 (h264) -> overlay:main (graph 0)
Stream #0:3 (dvbsub) -> overlay:overlay (graph 0)
overlay (graph 0) -> Stream #0:0 (mpeg4)
Stream #0:1 -> #0:1 (ac3 (native) -> ac3 (native))
Press [q] to stop, [?] for help
[h264 @ 0x2dc88c0] error while decoding MB 38 4, bytestream
-8rate=10554.1kbits/s
[h264 @ 0x2dc88c0] concealing 7691 DC, 7691 AC, 7691 MV errors in P frame
Past duration 0.760826 too large 56590kB time=00:00:44.68
bitrate=10375.6kbits/s
frame= 1089 fps= 68 q=2.0 Lsize= 57117kB time=00:00:44.88
bitrate=10425.6kbits/s
video:56021kB audio:1027kB subtitle:0kB other streams:0kB global
headers:0kB muxing overhead: 0.120315%
}}}
--
Ticket URL: <https://trac.ffmpeg.org/ticket/4744>
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