#4889: Audio in program stream not detected -------------------------------------+------------------------------------- Reporter: cehoyos | Owner: Type: defect | Status: new Priority: normal | Component: avformat Version: git- | Keywords: mpegps ac3 master | videolan Blocked By: | Blocking: Reproduced by developer: 0 | Analyzed by developer: 0 -------------------------------------+------------------------------------- (videolan ticket 15446) A vlc user uploaded a sample that plays audio with {{{mplayer -demuxer mpegps}}} and totem but not FFmpeg (and not vlc). {{{ $ ffmpeg -i 10SEC.mpg ffmpeg version N-75573-g1d0487f Copyright (c) 2000-2015 the FFmpeg developers built with gcc 4.7 (SUSE Linux) configuration: --enable-gpl libavutil 55. 2.100 / 55. 2.100 libavcodec 57. 3.100 / 57. 3.100 libavformat 57. 2.100 / 57. 2.100 libavdevice 57. 0.100 / 57. 0.100 libavfilter 6. 9.100 / 6. 9.100 libswscale 4. 0.100 / 4. 0.100 libswresample 2. 0.100 / 2. 0.100 libpostproc 54. 0.100 / 54. 0.100 Input #0, mpeg, from '10SEC.mpg': Duration: 00:00:09.14, start: 0.988078, bitrate: 8960 kb/s Stream #0:0[0x1e0]: Video: mpeg2video (Main), yuv420p(tv, bt709), 1920x1080 [SAR 1:1 DAR 16:9], Closed Captions, max. 79975 kb/s, 29.97 fps, 29.97 tbr, 90k tbn, 59.94 tbc At least one output file must be specified }}} {{{ $ mplayer -demuxer mpegps 10SEC.mpg MPlayer SVN-r37520-4.7 (C) 2000-2015 MPlayer Team Playing 10SEC.mpg. MPEG-PS file format detected. VIDEO: MPEG2 1920x1080 (aspect 3) 29.970 fps 79975.2 kbps (9996.9 kbyte/s) Load subtitles in ./ ========================================================================== Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family libavcodec version 57.1.100 (internal) Selected video codec: [ffmpeg2] vfm: ffmpeg (FFmpeg MPEG-2) ========================================================================== ========================================================================== Opening audio decoder: [ffmpeg] FFmpeg/libavcodec audio decoders AUDIO: 48000 Hz, 2 ch, floatle, 384.0 kbit/12.50% (ratio: 48000->384000) Selected audio codec: [ffac3] afm: ffmpeg (FFmpeg AC-3) ========================================================================== AO: [alsa] 48000Hz 2ch floatle (4 bytes per sample) Starting playback... Movie-Aspect is undefined - no prescaling applied. VO: [vdpau] 1920x1080 => 1920x1080 Planar YV12 Movie-Aspect is 1.78:1 - prescaling to correct movie aspect. VO: [vdpau] 1920x1080 => 1920x1080 Planar YV12 A: 0.9 V: 1.1 A-V: -0.181 ct: -0.010 7/ 7 ??% ??% ??,?% 0 0 [VD_FFMPEG] DRI failure. A: 10.0 V: 10.0 A-V: -0.069 ct: -0.201 275/275 11% 14% 0.3% 0 0 Exiting... (End of file) }}} -- Ticket URL: <https://trac.ffmpeg.org/ticket/4889> FFmpeg <https://ffmpeg.org> FFmpeg issue tracker