id summary reporter owner description type status priority component version resolution keywords cc blockedby blocking reproduced analyzed 2024 Reencoding dvbsub fails cehoyos "I tested two samples: http://samples.ffmpeg.org/MPEG-VOB/ClosedCaptions/Starship_Troopers.vob http://samples.ffmpeg.org/MPEG-VOB/transport/dvbsub/dvbsubtest.ts and tried to reencode them to dvbsub. This works fine for the dvdsub sample, but fails for the dvbsub (input) sample. {{{ $ ffmpeg -i dvbsubtest.ts -qscale 2 -mbd 2 -scodec dvbsub out.ts ffmpeg version N-47774-g26db653 Copyright (c) 2000-2012 the FFmpeg developers built on Dec 12 2012 21:57:33 with gcc 4.7 (SUSE Linux) configuration: --enable-gpl --disable-indev=jack libavutil 52. 12.100 / 52. 12.100 libavcodec 54. 79.102 / 54. 79.102 libavformat 54. 49.101 / 54. 49.101 libavdevice 54. 3.102 / 54. 3.102 libavfilter 3. 26.102 / 3. 26.102 libswscale 2. 1.103 / 2. 1.103 libswresample 0. 17.102 / 0. 17.102 libpostproc 52. 2.100 / 52. 2.100 [mpegts @ 0x2f23280] max_analyze_duration 5000000 reached at 5016000 [mpegts @ 0x2f23280] PES packet size mismatch Input #0, mpegts, from 'dvbsubtest.ts': Duration: 00:00:34.60, start: 79677.098467, bitrate: 4848 kb/s Program 1 Stream #0:0[0x1901](eng): Video: mpeg2video (Main) ([2][0][0][0] / 0x0002), yuv420p, 720x576 [SAR 64:45 DAR 16:9], 25 fps, 25 tbr, 90k tbn, 50 tbc Stream #0:1[0x19a1](eng): Audio: mp2 ([4][0][0][0] / 0x0004), 48000 Hz, stereo, s16p, 256 kb/s Stream #0:2[0x19b1](eng): Subtitle: dvb_subtitle ([6][0][0][0] / 0x0006) Please use -q:a or -q:v, -qscale is ambiguous Output #0, mpegts, to 'out.ts': Metadata: encoder : Lavf54.49.101 Stream #0:0(eng): Video: mpeg2video (hq), yuv420p, 720x576 [SAR 64:45 DAR 16:9], q=2-31, 200 kb/s, 90k tbn, 25 tbc Stream #0:1(eng): Audio: mp2, 48000 Hz, stereo, s16, 128 kb/s Stream #0:2(eng): Subtitle: dvb_subtitle Stream mapping: Stream #0:0 -> #0:0 (mpeg2video -> mpeg2video) Stream #0:1 -> #0:1 (mp2 -> mp2) Stream #0:2 -> #0:2 (dvbsub -> dvbsub) Press [q] to stop, [?] for help frame= 310 fps=0.0 q=2.0 size= 0kB time=00:00:12.32 bitrate= 0.0kbits/s dup=10 drop=0Application provided invalid, non monotonically increasing dts to muxer in stream 2: 3005830 >= 1670230 av_interleaved_write_frame(): Invalid argument }}} Remuxing all strams fails (remuxing only audio and video works fine): {{{ $ ffmpeg -i dvbsubtest.ts -acodec copy -vcodec copy -scodec dvbsub out.ts ffmpeg version N-47774-g26db653 Copyright (c) 2000-2012 the FFmpeg developers built on Dec 12 2012 21:57:33 with gcc 4.7 (SUSE Linux) configuration: --enable-gpl --disable-indev=jack libavutil 52. 12.100 / 52. 12.100 libavcodec 54. 79.102 / 54. 79.102 libavformat 54. 49.101 / 54. 49.101 libavdevice 54. 3.102 / 54. 3.102 libavfilter 3. 26.102 / 3. 26.102 libswscale 2. 1.103 / 2. 1.103 libswresample 0. 17.102 / 0. 17.102 libpostproc 52. 2.100 / 52. 2.100 [mpegts @ 0x1b92280] max_analyze_duration 5000000 reached at 5016000 [mpegts @ 0x1b92280] PES packet size mismatch Input #0, mpegts, from 'dvbsubtest.ts': Duration: 00:00:34.60, start: 79677.098467, bitrate: 4848 kb/s Program 1 Stream #0:0[0x1901](eng): Video: mpeg2video (Main) ([2][0][0][0] / 0x0002), yuv420p, 720x576 [SAR 64:45 DAR 16:9], 25 fps, 25 tbr, 90k tbn, 50 tbc Stream #0:1[0x19a1](eng): Audio: mp2 ([4][0][0][0] / 0x0004), 48000 Hz, stereo, s16p, 256 kb/s Stream #0:2[0x19b1](eng): Subtitle: dvb_subtitle ([6][0][0][0] / 0x0006) Output #0, mpegts, to 'out.ts': Metadata: encoder : Lavf54.49.101 Stream #0:0(eng): Video: mpeg2video ([2][0][0][0] / 0x0002), yuv420p, 720x576 [SAR 64:45 DAR 16:9], q=2-31, 25 fps, 90k tbn, 25 tbc Stream #0:1(eng): Audio: mp2 ([4][0][0][0] / 0x0004), 48000 Hz, stereo, 256 kb/s Stream #0:2(eng): Subtitle: dvb_subtitle Stream mapping: Stream #0:0 -> #0:0 (copy) Stream #0:1 -> #0:1 (copy) Stream #0:2 -> #0:2 (dvbsub -> dvbsub) Press [q] to stop, [?] for help [mpegts @ 0x1b9a2e0] Application provided invalid, non monotonically increasing dts to muxer in stream 2: 3005830 >= 1670230 av_interleaved_write_frame(): Invalid argument }}} Remuxing only the subtitles work, but the resulting file shows no subtitles: {{{ $ ffmpeg -i dvbsubtest.ts -qscale 2 -mbd 2 -scodec copy out.ts ffmpeg version N-47774-g26db653 Copyright (c) 2000-2012 the FFmpeg developers built on Dec 12 2012 21:57:33 with gcc 4.7 (SUSE Linux) configuration: --enable-gpl --disable-indev=jack libavutil 52. 12.100 / 52. 12.100 libavcodec 54. 79.102 / 54. 79.102 libavformat 54. 49.101 / 54. 49.101 libavdevice 54. 3.102 / 54. 3.102 libavfilter 3. 26.102 / 3. 26.102 libswscale 2. 1.103 / 2. 1.103 libswresample 0. 17.102 / 0. 17.102 libpostproc 52. 2.100 / 52. 2.100 [mpegts @ 0x2ae8280] max_analyze_duration 5000000 reached at 5016000 [mpegts @ 0x2ae8280] PES packet size mismatch Input #0, mpegts, from 'dvbsubtest.ts': Duration: 00:00:34.60, start: 79677.098467, bitrate: 4848 kb/s Program 1 Stream #0:0[0x1901](eng): Video: mpeg2video (Main) ([2][0][0][0] / 0x0002), yuv420p, 720x576 [SAR 64:45 DAR 16:9], 25 fps, 25 tbr, 90k tbn, 50 tbc Stream #0:1[0x19a1](eng): Audio: mp2 ([4][0][0][0] / 0x0004), 48000 Hz, stereo, s16p, 256 kb/s Stream #0:2[0x19b1](eng): Subtitle: dvb_subtitle ([6][0][0][0] / 0x0006) Please use -q:a or -q:v, -qscale is ambiguous Output #0, mpegts, to 'out.ts': Metadata: encoder : Lavf54.49.101 Stream #0:0(eng): Video: mpeg2video (hq), yuv420p, 720x576 [SAR 64:45 DAR 16:9], q=2-31, 200 kb/s, 90k tbn, 25 tbc Stream #0:1(eng): Audio: mp2, 48000 Hz, stereo, s16, 128 kb/s Stream #0:2(eng): Subtitle: dvb_subtitle ([6][0][0][0] / 0x0006) Stream mapping: Stream #0:0 -> #0:0 (mpeg2video -> mpeg2video) Stream #0:1 -> #0:1 (mp2 -> mp2) Stream #0:2 -> #0:2 (copy) Press [q] to stop, [?] for help frame= 311 fps=0.0 q=2.0 size= 5961kB time=00:00:13.09 bitrate=3728.0kbits/s dup=10 drop=0frame= 570 fps=569 q=2.0 size= 14614kB time=00:00:23.13 bitrate=5173.9kbits/s dup=10 drop=0frame= 821 fps=546 q=2.0 size= 25327kB time=00:00:32.76 bitrate=6333.3kbits/s dup=10 drop=0PES packet size mismatch [mpeg2video @ 0x2aec140] invalid mb type in P Frame at 43 16 [mpeg2video @ 0x2aec140] Warning MVs not available [mpeg2video @ 0x2aec140] concealing 900 DC, 900 AC, 900 MV errors in P frame [mp2 @ 0x2aecc20] incomplete frame Error while decoding stream #0:1: Invalid data found when processing input frame= 866 fps=538 q=2.0 Lsize= 28381kB time=00:00:34.67 bitrate=6704.4kbits/s dup=12 drop=0 video:25613kB audio:535kB subtitle:50 global headers:0kB muxing overhead 8.332572% }}}" defect new normal undetermined git-master dvbsub av_interleaved_write_frame 0 0