[FFmpeg-trac] #2260(FFmpeg:new): FFmpeg doesn't auto-select subtitle codec for MP4

[FFmpeg]

#2260: FFmpeg doesn't auto-select subtitle codec for MP4
----------------------------------------+----------------------------------
             Reporter:  slhck           |                     Type:  defect
               Status:  new             |                 Priority:  normal
            Component:  FFmpeg          |                  Version:  1.1.2
             Keywords:  subtitles, mp4  |               Blocked By:
             Blocking:                  |  Reproduced by developer:  0
Analyzed by developer:  0               |
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 FFmpeg doesn't seem to be able to auto-select the proper subtitle codec
 for MP4, which would be {{{mov_text}}}.

 I expect FFmpeg to automatically choose the codec, similar to how it does
 with {{{libx264}}} and {{{libfaac}}}.

 {{{
 ffmpeg -i in.mp4 -i subs.srt -c:v copy -c:a copy -map 0 -map 1 out.mp4
 ffmpeg version 1.1.2 Copyright (c) 2000-2013 the FFmpeg developers
   built on Feb  8 2013 22:55:29 with Apple LLVM version 4.2
 (clang-425.0.24) (based on LLVM 3.2svn)
   configuration: --prefix=/usr/local/Cellar/ffmpeg/1.1.2 --enable-shared
 --enable-pthreads --enable-gpl --enable-version3 --enable-nonfree
 --enable-hardcoded-tables --enable-avresample --cc=cc --host-cflags=
 --host-ldflags= --enable-libx264 --enable-libfaac --enable-libmp3lame
 --enable-libxvid --enable-libfreetype --enable-libtheora --enable-
 libvorbis --enable-libvpx --enable-libopencore-amrnb --enable-libopencore-
 amrwb --enable-libvo-aacenc --enable-ffplay --enable-libfdk-aac --enable-
 libopus --enable-libopenjpeg --extra-
 cflags='-I/usr/local/Cellar/openjpeg/1.5.1/include/openjpeg-1.5 '
   libavutil      52. 13.100 / 52. 13.100
   libavcodec     54. 86.100 / 54. 86.100
   libavformat    54. 59.106 / 54. 59.106
   libavdevice    54.  3.102 / 54.  3.102
   libavfilter     3. 32.100 /  3. 32.100
   libswscale      2.  1.103 /  2.  1.103
   libswresample   0. 17.102 /  0. 17.102
   libpostproc    52.  2.100 / 52.  2.100
 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'in.mp4':
   Metadata:
     major_brand     : isom
     minor_version   : 512
     compatible_brands: isomiso2avc1mp41
     creation_time   : 2012-01-08 11:16:19
     encoder         : Lavf53.24.0
   Duration: 00:03:31.58, start: 0.000000, bitrate: 2359 kb/s
     Stream #0:0(eng): Video: h264 (High) (avc1 / 0x31637661), yuv420p,
 1280x720 [SAR 1:1 DAR 16:9], 2229 kb/s, 25 fps, 25 tbr, 25 tbn, 50 tbc
     Metadata:
       creation_time   : 2012-01-08 11:16:19
       handler_name    : VideoHandler
     Stream #0:1(eng): Audio: aac (mp4a / 0x6134706D), 48000 Hz, stereo,
 fltp, 125 kb/s
     Metadata:
       creation_time   : 2012-01-08 11:16:19
       handler_name    : SoundHandler
 [srt @ 0x7fb8ea843c00] Estimating duration from bitrate, this may be
 inaccurate
 Input #1, srt, from 'subs.srt':
   Duration: N/A, bitrate: N/A
     Stream #1:0: Subtitle: subrip
 File 'out.mp4' already exists. Overwrite ? [y/N] y
 Output #0, mp4, to 'out.mp4':
   Metadata:
     major_brand     : isom
     minor_version   : 512
     compatible_brands: isomiso2avc1mp41
     encoder         : Lavf53.24.0
     Stream #0:0(eng): Video: h264, yuv420p, 1280x720 [SAR 1:1 DAR 16:9],
 q=2-31, 2229 kb/s, 25 fps, 90k tbn, 25 tbc
     Metadata:
       creation_time   : 2012-01-08 11:16:19
       handler_name    : VideoHandler
     Stream #0:1(eng): Audio: aac, 48000 Hz, stereo, 125 kb/s
     Metadata:
       creation_time   : 2012-01-08 11:16:19
       handler_name    : SoundHandler
     Stream #0:2: Subtitle: none
 Stream mapping:
   Stream #0:0 -> #0:0 (copy)
   Stream #0:1 -> #0:1 (copy)
   Stream #1:0 -> #0:2 (subrip -> ?)
 Encoder (codec none) not found for output stream #0:2
 }}}

 Encoding with {{{-c:s mov_text}}} works fine.

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2260>
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