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Publier sur MédiaSpip
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HTML5 audio and video support
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Sur d’autres sites (4778)
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ffmpeg encoded hls makes audio and video progressively out of sync
21 septembre 2020, par eschieWhen trying to encoding a source .mp4 to multiple bitrates and sizes for adaptive HLSv3 playback the resulting audio and video become progressively out of sync. When scrubbing to a later point it seems to reset, and stay in sync.



I'm on the latest ffmpeg 4.2.1 via homebrew-ffmpeg, with the libfdk-aac codec. Note, this was also occurring with ffmpeg 4.1.



ffmpeg version 4.2.1 Copyright (c) 2000-2019 the FFmpeg developers
 built with Apple LLVM version 9.0.0 (clang-900.0.39.2)
 configuration: --prefix=/usr/local/Cellar/ffmpeg/4.2.1-with-options_1 --enable-shared --cc=clang --host-cflags= --host-ldflags= --enable-gpl --enable-libaom --enable-libmp3lame --enable-libopus --enable-libsnappy --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libx265 --enable-libfontconfig --enable-libfreetype --enable-frei0r --enable-libass --disable-libjack --disable-indev=jack --enable-opencl --enable-videotoolbox --disable-htmlpages --enable-libfdk-aac --enable-nonfree
 libavutil 56. 31.100 / 56. 31.100
 libavcodec 58. 54.100 / 58. 54.100
 libavformat 58. 29.100 / 58. 29.100
 libavdevice 58. 8.100 / 58. 8.100
 libavfilter 7. 57.100 / 7. 57.100
 libswscale 5. 5.100 / 5. 5.100
 libswresample 3. 5.100 / 3. 5.100
 libpostproc 55. 5.100 / 55. 5.100



The audio and video streams are marginally off, would that cause this problem ?



ffprobe -v error -select_streams v:0 -show_entries stream=duration -of default=noprint_wrappers=1:nokey=1 INPUT_FILE.mp4
80.480400


ffprobe -v error -select_streams a:0 -show_entries stream=duration -of default=noprint_wrappers=1:nokey=1 INPUT_FILE.mp4
80.469333


Here is some metadata on the source file :



General
Complete name : INPUT_VIDEO.mp4
Format : MPEG-4
Format profile : Base Media / Version 2
Codec ID : mp42 (mp42/mp41)
File size : 236 MiB
Duration : 1 min 21 s
Overall bit rate mode : Variable
Overall bit rate : 24.2 Mb/s
Encoded date : UTC 2019-08-27 22:13:53
Tagged date : UTC 2019-08-27 22:15:15
TIM : 00;00;00;00
TSC : 30000
TSZ : 1001

Video
ID : 1
Format : AVC
Format/Info : Advanced Video Codec
Format profile : Main@L4.1
Format settings : CABAC / 2 Ref Frames
Format settings, CABAC : Yes
Format settings, Reference frames : 2 frames
Codec ID : avc1
Codec ID/Info : Advanced Video Coding
Duration : 1 min 21 s
Bit rate mode : Variable
Bit rate : 23.8 Mb/s
Maximum bit rate : 768 kb/s
Width : 1 920 pixels
Height : 1 080 pixels
Display aspect ratio : 16:9
Frame rate mode : Constant
Frame rate : 29.970 (30000/1001) FPS
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Bits/(Pixel*Frame) : 0.383
Stream size : 233 MiB (99%)
Language : English
Encoded date : UTC 2019-08-27 22:13:53
Tagged date : UTC 2019-08-27 22:13:53
Color range : Limited
Color primaries : BT.709
Transfer characteristics : BT.709
Matrix coefficients : BT.709
Codec configuration box : avcC

Audio
ID : 2
Format : AAC LC
Format/Info : Advanced Audio Codec Low Complexity
Codec ID : mp4a-40-2
Duration : 1 min 21 s
Source duration : 1 min 21 s
Bit rate mode : Constant
Bit rate : 317 kb/s
Channel(s) : 2 channels
Channel layout : L R
Sampling rate : 48.0 kHz
Frame rate : 46.875 FPS (1024 SPF)
Compression mode : Lossy
Stream size : 3.10 MiB (1%)
Source stream size : 3.10 MiB (1%)
Language : English
Encoded date : UTC 2019-08-27 22:13:53
Tagged date : UTC 2019-08-27 22:13:53



And the encoding command :



ffmpeg \
-i INPUT_VIDEO \
-dn \
-sn \
-filter_complex \
"[0:v]fps=fps=24000/1001, \
setpts=(PTS-STARTPTS), \
split=12[vsplit1][vsplit2][vsplit3][vsplit4][vsplit5][vsplit6][vsplit7][vsplit8][vsplit9][vsplit10][vsplit11][vsplit12]; \
[vsplit1]scale=-1:1080[video_1080_4.1]; \
[vsplit2]scale=-1:720[video_720_4.1]; \
[vsplit3]scale=-1:720[video_720_3.1]; \
[vsplit4]scale=-1:540[video_540_3.1]; \
[vsplit5]scale=-1:432[video_432_3.1]; \
[vsplit6]scale=-1:270[video_270_3.0]; \
[vsplit7]scale=-1:270[video_270_3.1]; \
[vsplit8]scale=-1:144[video_144_4.1]; \
[vsplit9]scale=-1:144[video_144_3.0]; \
[vsplit10]scale=1920:1080[base_1080]; \
[vsplit11]scale=1280:720[base_720]; \
[vsplit12]scale=640:360[base_360]" \
\
-map "[video_1080_4.1]" \
-r:v:0 "24000/1001" \
-c:v:0 "libx264" \
-x264-params:0 "keyint=144:min-keyint=144:scenecut=0:open_gop=0" \
-preset:v:0 "slow" \
-profile:v:0 "high" \
-level:v:0 "4.1" \
-refs:v:0 "2" \
-b-pyramid:v:0 "strict" \
-tune:v:0 "film" \
-b:v:0 "4800000" \
-maxrate:v:0 "4800000" \
-bufsize:v:0 "6*4800000/8" \
-vsync:v:0 "cfr" \
-bsf:v:0 "h264_metadata=fixed_frame_rate_flag=1" \
\
-map "[video_720_4.1]" \
-r:v:1 "24000/1001" \
-c:v:1 "libx264" \
-x264-params:1 "keyint=144:min-keyint=144:scenecut=0:open_gop=0" \
-preset:v:1 "slow" \
-profile:v:1 "main" \
-level:v:1 "4.1" \
-refs:v:1 "2" \
-b-pyramid:v:1 "strict" \
-tune:v:1 "film" \
-b:v:1 "3200000" \
-maxrate:v:1 "3200000" \
-bufsize:v:1 "6*3200000/8" \
-vsync:v:1 "cfr" \
-bsf:v:1 "h264_metadata=fixed_frame_rate_flag=1" \
\
-map "[video_720_3.1]" \
-r:v:2 "24000/1001" \
-c:v:2 "libx264" \
-x264-params:2 "keyint=144:min-keyint=144:scenecut=0:open_gop=0" \
-preset:v:2 "slow" \
-profile:v:2 "main" \
-level:v:2 "3.1" \
-refs:v:2 "2" \
-b-pyramid:v:2 "strict" \
-tune:v:2 "film" \
-b:v:2 "2200000" \
-maxrate:v:2 "2200000" \
-bufsize:v:2 "6*2200000/8" \
-vsync:v:2 "cfr" \
-bsf:v:2 "h264_metadata=fixed_frame_rate_flag=1" \
\
-map "[video_540_3.1]" \
-r:v:3 "24000/1001" \
-c:v:3 "libx264" \
-x264-params:3 "keyint=144:min-keyint=144:scenecut=0:open_gop=0" \
-preset:v:3 "slow" \
-profile:v:3 "main" \
-level:v:3 "3.1" \
-refs:v:3 "2" \
-b-pyramid:v:3 "strict" \
-tune:v:3 "film" \
-b:v:3 "1400000" \
-maxrate:v:3 "1400000" \
-bufsize:v:3 "6*1400000/8" \
-vsync:v:3 "cfr" \
-bsf:v:3 "h264_metadata=fixed_frame_rate_flag=1" \
\
-map "[video_432_3.1]" \
-r:v:4 "24000/1001" \
-c:v:4 "libx264" \
-x264-params:4 "keyint=144:min-keyint=144:scenecut=0:open_gop=0" \
-preset:v:4 "slow" \
-profile:v:4 "main" \
-level:v:4 "3.1" \
-refs:v:4 "2" \
-b-pyramid:v:4 "strict" \
-tune:v:4 "film" \
-b:v:4 "900000" \
-maxrate:v:4 "900000" \
-bufsize:v:4 "6*900000/8" \
-vsync:v:4 "cfr" \
-bsf:v:4 "h264_metadata=fixed_frame_rate_flag=1" \
\
-map "[video_270_3.0]" \
-r:v:5 "24000/1001" \
-c:v:5 "libx264" \
-x264-params:5 "keyint=144:min-keyint=144:scenecut=0:open_gop=0" \
-preset:v:5 "slow" \
-profile:v:5 "baseline" \
-level:v:5 "3.0" \
-refs:v:5 "2" \
-b-pyramid:v:5 "strict" \
-tune:v:5 "film" \
-b:v:5 "400000" \
-maxrate:v:5 "400000" \
-bufsize:v:5 "6*400000/8" \
-vsync:v:5 "cfr" \
-bsf:v:5 "h264_metadata=fixed_frame_rate_flag=1" \
\
-map "[video_270_3.1]" \
-r:v:6 "24000/1001" \
-c:v:6 "libx264" \
-x264-params:6 "keyint=144:min-keyint=144:scenecut=0:open_gop=0" \
-preset:v:6 "slow" \
-profile:v:6 "main" \
-level:v:6 "3.1" \
-refs:v:6 "2" \
-b-pyramid:v:6 "strict" \
-tune:v:6 "film" \
-b:v:6 "200000" \
-maxrate:v:6 "200000" \
-bufsize:v:6 "6*200000/8" \
-vsync:v:6 "cfr" \
-bsf:v:6 "h264_metadata=fixed_frame_rate_flag=1" \
\
-map "[video_144_4.1]" \
-r:v:7 "24000/1001" \
-c:v:7 "libx264" \
-x264-params:7 "keyint=144:min-keyint=144:scenecut=0:open_gop=0" \
-preset:v:7 "slow" \
-profile:v:7 "high" \
-level:v:7 "4.1" \
-refs:v:7 "2" \
-b-pyramid:v:7 "strict" \
-tune:v:7 "film" \
-b:v:7 "64000" \
-maxrate:v:7 "64000" \
-bufsize:v:7 "6*64000/8" \
-vsync:v:7 "cfr" \
-bsf:v:7 "h264_metadata=fixed_frame_rate_flag=1" \
\
-map "[video_144_3.0]" \
-r:v:8 "24000/1001" \
-c:v:8 "libx264" \
-x264-params:8 "keyint=144:min-keyint=144:scenecut=0:open_gop=0" \
-preset:v:8 "slow" \
-profile:v:8 "baseline" \
-level:v:8 "3.0" \
-refs:v:8 "2" \
-b-pyramid:v:8 "strict" \
-tune:v:8 "film" \
-b:v:8 "56000" \
-maxrate:v:8 "56000" \
-bufsize:v:8 "6*56000/8" \
-vsync:v:8 "cfr" \
-bsf:v:8 "h264_metadata=fixed_frame_rate_flag=1" \
\
-map "[base_1080]" \
-c:v:9 "libx264" \
-preset:v:9 "slow" \
\
-map "[base_720]" \
-c:v:10 "libx264" \
-preset:v:10 "slow" \
\
-map "[base_360]" \
-c:v:11 "libx264" \
-preset:v:11 "slow" \
\
-map a:0 -map a:0 -map a:0 -map a:0 -map a:0 -map a:0 -map a:0 -map a:0 -map a:0 -map a:0 -map a:0 -map a:0 \
-c:a "libfdk_aac" \
-ar "48000" \
-ab "128k" \
-af "aresample=async=1:min_hard_comp=0.100000:first_pts=0" \
\
-f tee \
-flags +global_header \
"[select=\'v:0,a:0,v:1,a:1,v:2,a:2,v:3,a:3,v:4,a:4,v:5,a:5,v:6,a:6,v:7,a:7,v:8,a:8\':f=hls:hls_flags=discont_start+temp_file:hls_time=6:hls_list_size=0:var_stream_map=\'v:0,a:0 v:1,a:1 v:2,a:2 v:3,a:3 v:4,a:4 v:5,a:5 v:6,a:6 v:7,a:7 v:8,a:8\':master_pl_name=playlist.m3u8:hls_segment_filename=INPUT_VIDEO__%v_%03d.ts]INPUT_VIDEO/out_%v.m3u8|[select=\'v:9,a:9\':f=mp4:movflags=+faststart]INPUT_VIDEO/large-1920-1080.mp4|[select=\'v:10,a:10\':f=mp4:movflags=+faststart]INPUT_VIDEO/med-1280-720.mp4|[select=\'v:11,a:11\':f=mp4:movflags=+faststart]INPUT_VIDEO/sm-640-360.mp4"


-
FFmpeg media info incorrect when encoding aac audio track
11 janvier 2023, par user2028936I recently dipped my feet into encoding with FFmpeg. It's been working fine for me apart form 1 issues I have noticed recently. When I try and re-encode an audio track to acc the media info tags are somewhat wrong. Bitrate, streamsize etc seems to be copied form the source as opposed to reading it from the new track.



Essentially I want to copy the source video, audio and subtitles and also create an AAC version of the soundtrack for playback on devices that don't support HD audio.



Below is an example of what I am doing :



ffmpeg -i source.mkv -map_chapters 0 -map 0:v -c:v copy -c:s copy -map 0:a -c:a:0 copy -map 0:a c:a:1 aac destination.mkv



This results in a media info of :



Audio #1
ID : 2
Format : MLP FBA 16-ch
Format/Info : Meridian Lossless Packing FBA with 16-channel presentation
Commercial name : Dolby TrueHD with Dolby Atmos
Codec ID : A_TRUEHD
Duration : 1 h 50 min
Bit rate mode : Variable
Bit rate : 3 545 kb/s
Maximum bit rate : 5 826 kb/s
Channel(s) : 8 channels
Channel layout : L R C LFE Ls Rs Lb Rb
Sampling rate : 48.0 kHz
Frame rate : 1 200.000 FPS (40 SPF)
Bit depth : 24 bits
Compression mode : Lossless
Delay relative to video : 21 ms
Stream size : 2.73 GiB (29%)
Title : Dolby TrueHD 7.1 (Atmos)
Language : English
Default : Yes
Forced : No
Number of dynamic objects : 11
Bed channel count : 1 channel
Bed channel configuration : LFE

Audio #2
ID : 3
Format : AAC LC
Format/Info : Advanced Audio Codec Low Complexity
Codec ID : A_AAC-2
Duration : 1 h 50 min
Bit rate : 3 545 kb/s
Channel(s) : 8 channels
Channel layout : C L R Ls Rs Lb Rb LFE
Sampling rate : 48.0 kHz
Frame rate : 46.875 FPS (1024 SPF)
Compression mode : Lossy
Stream size : 2.73 GiB (29%)
Title : AAC 5.1
Writing library : Lavc58.62.100 aac
Language : English
Default : Yes
Forced : No



As you can see the bit rate, stream size, etc is copied from the source track which is incorrect. I've tried the -map_metadata -1 but that removes the metadata without creating a new one and also removed it from all video and audio tracks which I don't want.



Any other ideas what I am doing wrong or is this just a quirk of the software ?



Thanks in advance.



Adding -report output trimming the lines "Writing block of size..." as the file is huge :



ffmpeg started on 2019-12-04 at 14:31:25
Report written to "ffmpeg-20191204-143125.log"
Log level: 48
Command line:
"C:\\ffmpeg\\ffmpeg-20191118-d831edc-win64-static\\bin\\ffmpeg" -i input.mkv -report -map_chapters 0 -map 0:v -c:v copy -c:s copy -map 0:a -c:a:0 copy -map 0:a -c:a:1 aac destination.mkv
ffmpeg version git-2019-11-18-d831edc Copyright (c) 2000-2019 the FFmpeg developers
 built with gcc 9.2.1 (GCC) 20191010
 configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libdav1d --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom --enable-libmfx --enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth --enable-libopenmpt --enable-amf
 libavutil 56. 36.100 / 56. 36.100
 libavcodec 58. 62.100 / 58. 62.100
 libavformat 58. 35.100 / 58. 35.100
 libavdevice 58. 9.101 / 58. 9.101
 libavfilter 7. 66.100 / 7. 66.100
 libswscale 5. 6.100 / 5. 6.100
 libswresample 3. 6.100 / 3. 6.100
 libpostproc 55. 6.100 / 55. 6.100
Splitting the commandline.
Reading option '-i' ... matched as input url with argument 'input.mkv'.
Reading option '-report' ... matched as option 'report' (generate a report) with argument '1'.
Reading option '-map_chapters' ... matched as option 'map_chapters' (set chapters mapping) with argument '0'.
Reading option '-map' ... matched as option 'map' (set input stream mapping) with argument '0:v'.
Reading option '-c:v' ... matched as option 'c' (codec name) with argument 'copy'.
Reading option '-c:s' ... matched as option 'c' (codec name) with argument 'copy'.
Reading option '-map' ... matched as option 'map' (set input stream mapping) with argument '0:a'.
Reading option '-c:a:0' ... matched as option 'c' (codec name) with argument 'copy'.
Reading option '-map' ... matched as option 'map' (set input stream mapping) with argument '0:a'.
Reading option '-c:a:1' ... matched as option 'c' (codec name) with argument 'aac'.
Reading option 'destination.mkv' ... matched as output url.
Finished splitting the commandline.
Parsing a group of options: global .
Applying option report (generate a report) with argument 1.
Successfully parsed a group of options.
Parsing a group of options: input url input.mkv.
Successfully parsed a group of options.
Opening an input file: input.mkv.
[NULL @ 000001b290ddad00] Opening 'input.mkv' for reading
[file @ 000001b290ddbe00] Setting default whitelist 'file,crypto'
[matroska,webm @ 000001b290ddad00] Format matroska,webm probed with size=2048 and score=100
st:0 removing common factor 1000000 from timebase
st:1 removing common factor 1000000 from timebase
[matroska,webm @ 000001b290ddad00] Before avformat_find_stream_info() pos: 5080 bytes read:32768 seeks:0 nb_streams:2
[hevc @ 000001b290ddeb80] nal_unit_type: 32(VPS), nuh_layer_id: 0, temporal_id: 0
[hevc @ 000001b290ddeb80] Decoding VPS
[hevc @ 000001b290ddeb80] Main 10 profile bitstream
[hevc @ 000001b290ddeb80] nal_unit_type: 33(SPS), nuh_layer_id: 0, temporal_id: 0
[hevc @ 000001b290ddeb80] Decoding SPS
[hevc @ 000001b290ddeb80] Main 10 profile bitstream
[hevc @ 000001b290ddeb80] Decoding VUI
[hevc @ 000001b290ddeb80] nal_unit_type: 34(PPS), nuh_layer_id: 0, temporal_id: 0
[hevc @ 000001b290ddeb80] Decoding PPS
[hevc @ 000001b290ddeb80] nal_unit_type: 39(SEI_PREFIX), nuh_layer_id: 0, temporal_id: 0
[hevc @ 000001b290ddeb80] Decoding SEI
[hevc @ 000001b290ddeb80] nal_unit_type: 39(SEI_PREFIX), nuh_layer_id: 0, temporal_id: 0
[hevc @ 000001b290ddeb80] Decoding SEI
[hevc @ 000001b290ddeb80] nal_unit_type: 39(SEI_PREFIX), nuh_layer_id: 0, temporal_id: 0
[hevc @ 000001b290ddeb80] Decoding SEI
[hevc @ 000001b290ddeb80] Skipped PREFIX SEI 5
[matroska,webm @ 000001b290ddad00] All info found
[matroska,webm @ 000001b290ddad00] After avformat_find_stream_info() pos: 10219 bytes read:32768 seeks:0 frames:4
Input #0, matroska,webm, from 'input.mkv':
 Metadata:
 title : input
 ENCODER : Lavf58.35.100
 Duration: 01:50:06.89, start: 0.000000, bitrate: 11569 kb/s
 Chapter #0:0: start 0.000000, end 308.766792
 Metadata:
 title : Chapter 01
 Chapter #0:1: start 308.766792, end 679.720708
 Metadata:
 title : Chapter 02
 Chapter #0:2: start 679.720708, end 904.820583
 Metadata:
 title : Chapter 03
 Chapter #0:3: start 904.820583, end 1282.781500
 Metadata:
 title : Chapter 04
 Chapter #0:4: start 1282.781500, end 1487.736250
 Metadata:
 title : Chapter 05
 Chapter #0:5: start 1487.736250, end 1846.177667
 Metadata:
 title : Chapter 06
 Chapter #0:6: start 1846.177667, end 2116.531083
 Metadata:
 title : Chapter 07
 Chapter #0:7: start 2116.531083, end 2443.858083
 Metadata:
 title : Chapter 08
 Chapter #0:8: start 2443.858083, end 2731.979250
 Metadata:
 title : Chapter 09
 Chapter #0:9: start 2731.979250, end 3178.383542
 Metadata:
 title : Chapter 10
 Chapter #0:10: start 3178.383542, end 3636.507875
 Metadata:
 title : Chapter 11
 Chapter #0:11: start 3636.507875, end 3867.488625
 Metadata:
 title : Chapter 12
 Chapter #0:12: start 3867.488625, end 4208.037167
 Metadata:
 title : Chapter 13
 Chapter #0:13: start 4208.037167, end 4502.372875
 Metadata:
 title : Chapter 14
 Chapter #0:14: start 4502.372875, end 4853.431917
 Metadata:
 title : Chapter 15
 Chapter #0:15: start 4853.431917, end 5267.470542
 Metadata:
 title : Chapter 16
 Chapter #0:16: start 5267.470542, end 5543.329458
 Metadata:
 title : Chapter 17
 Chapter #0:17: start 5543.329458, end 5847.132958
 Metadata:
 title : Chapter 18
 Chapter #0:18: start 5847.132958, end 6150.269125
 Metadata:
 title : Chapter 19
 Chapter #0:19: start 6150.269125, end 6606.891958
 Metadata:
 title : Chapter 20
 Stream #0:0, 3, 1/1000: Video: hevc (Main 10), yuv420p10le(tv, bt2020nc/bt2020/smpte2084), 3840x1600 [SAR 1:1 DAR 12:5], 23.98 fps, 23.98 tbr, 1k tbn, 23.98 tbc
 Metadata:
 title : input
 ENCODER : Lavc58.62.100 libx265
 DURATION : 01:50:06.891000000
 Stream #0:1(eng), 1, 1/1000: Audio: truehd, 48000 Hz, 7.1, s32 (24 bit) (default)
 Metadata:
 title : input
 _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
 BPS-eng : 3544728
 DURATION-eng : 01:50:06.893000000
 NUMBER_OF_FRAMES-eng: 7928271
 NUMBER_OF_BYTES-eng: 2927455224
 _STATISTICS_WRITING_APP-eng: mkvmerge v40.0.0 ('Old Town Road + Pony') 64-bit
 _STATISTICS_WRITING_DATE_UTC-eng: 2019-11-30 10:59:25
 DURATION : 01:50:06.893000000
Successfully opened the file.
Parsing a group of options: output url destination.mkv.
Applying option map_chapters (set chapters mapping) with argument 0.
Applying option map (set input stream mapping) with argument 0:v.
Applying option c:v (codec name) with argument copy.
Applying option c:s (codec name) with argument copy.
Applying option map (set input stream mapping) with argument 0:a.
Applying option c:a:0 (codec name) with argument copy.
Applying option map (set input stream mapping) with argument 0:a.
Applying option c:a:1 (codec name) with argument aac.
Successfully parsed a group of options.
Opening an output file: destination.mkv.
[file @ 000001b290ea7e40] Setting default whitelist 'file,crypto'
Successfully opened the file.
Stream mapping:
 Stream #0:0 -> #0:0 (copy)
 Stream #0:1 -> #0:1 (copy)
 Stream #0:1 -> #0:2 (truehd (native) -> aac (native))
Press [q] to stop, [?] for help
cur_dts is invalid st:0 (0) [init:1 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
cur_dts is invalid st:1 (0) [init:1 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
cur_dts is invalid st:2 (0) [init:0 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
cur_dts is invalid st:0 (0) [init:1 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
cur_dts is invalid st:1 (0) [init:1 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
cur_dts is invalid st:2 (0) [init:0 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
cur_dts is invalid st:0 (0) [init:1 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
cur_dts is invalid st:1 (0) [init:1 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
cur_dts is invalid st:2 (0) [init:0 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
cur_dts is invalid st:0 (0) [init:1 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
cur_dts is invalid st:1 (0) [init:1 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
cur_dts is invalid st:2 (0) [init:0 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
detected 12 logical cores
[graph_0_in_0_1 @ 000001b290dda840] Setting 'time_base' to value '1/48000'
[graph_0_in_0_1 @ 000001b290dda840] Setting 'sample_rate' to value '48000'
[graph_0_in_0_1 @ 000001b290dda840] Setting 'sample_fmt' to value 's32'
[graph_0_in_0_1 @ 000001b290dda840] Setting 'channel_layout' to value '0x63f'
[graph_0_in_0_1 @ 000001b290dda840] tb:1/48000 samplefmt:s32 samplerate:48000 chlayout:0x63f
[format_out_0_2 @ 000001b290e0ea00] Setting 'sample_fmts' to value 'fltp'
[format_out_0_2 @ 000001b290e0ea00] Setting 'sample_rates' to value '96000|88200|64000|48000|44100|32000|24000|22050|16000|12000|11025|8000|7350'
[format_out_0_2 @ 000001b290e0ea00] auto-inserting filter 'auto_resampler_0' between the filter 'Parsed_anull_0' and the filter 'format_out_0_2'
[AVFilterGraph @ 000001b290e1b3c0] query_formats: 4 queried, 6 merged, 3 already done, 0 delayed
[auto_resampler_0 @ 000001b290e0fe80] [SWR @ 000001b291232000] Using fltp internally between filters
[auto_resampler_0 @ 000001b290e0fe80] ch:8 chl:7.1 fmt:s32 r:48000Hz -> ch:8 chl:7.1 fmt:fltp r:48000Hz
[matroska @ 000001b290dfba40] get_metadata_duration returned: 6606893000
[matroska @ 000001b290dfba40] Write early duration from metadata = 6606893
Output #0, matroska, to 'destination.mkv':
 Metadata:
 title : input
 encoder : Lavf58.35.100
 Chapter #0:0: start 0.000000, end 308.766792
 Metadata:
 title : Chapter 01
 Chapter #0:1: start 308.766792, end 679.720708
 Metadata:
 title : Chapter 02
 Chapter #0:2: start 679.720708, end 904.820583
 Metadata:
 title : Chapter 03
 Chapter #0:3: start 904.820583, end 1282.781500
 Metadata:
 title : Chapter 04
 Chapter #0:4: start 1282.781500, end 1487.736250
 Metadata:
 title : Chapter 05
 Chapter #0:5: start 1487.736250, end 1846.177667
 Metadata:
 title : Chapter 06
 Chapter #0:6: start 1846.177667, end 2116.531083
 Metadata:
 title : Chapter 07
 Chapter #0:7: start 2116.531083, end 2443.858083
 Metadata:
 title : Chapter 08
 Chapter #0:8: start 2443.858083, end 2731.979250
 Metadata:
 title : Chapter 09
 Chapter #0:9: start 2731.979250, end 3178.383542
 Metadata:
 title : Chapter 10
 Chapter #0:10: start 3178.383542, end 3636.507875
 Metadata:
 title : Chapter 11
 Chapter #0:11: start 3636.507875, end 3867.488625
 Metadata:
 title : Chapter 12
 Chapter #0:12: start 3867.488625, end 4208.037167
 Metadata:
 title : Chapter 13
 Chapter #0:13: start 4208.037167, end 4502.372875
 Metadata:
 title : Chapter 14
 Chapter #0:14: start 4502.372875, end 4853.431917
 Metadata:
 title : Chapter 15
 Chapter #0:15: start 4853.431917, end 5267.470542
 Metadata:
 title : Chapter 16
 Chapter #0:16: start 5267.470542, end 5543.329458
 Metadata:
 title : Chapter 17
 Chapter #0:17: start 5543.329458, end 5847.132958
 Metadata:
 title : Chapter 18
 Chapter #0:18: start 5847.132958, end 6150.269125
 Metadata:
 title : Chapter 19
 Chapter #0:19: start 6150.269125, end 6606.891958
 Metadata:
 title : Chapter 20
 Stream #0:0, 0, 1/1000: Video: hevc (Main 10), yuv420p10le(tv, bt2020nc/bt2020/smpte2084), 3840x1600 [SAR 1:1 DAR 12:5], q=2-31, 23.98 fps, 23.98 tbr, 1k tbn, 1k tbc
 Metadata:
 title : input
 ENCODER : Lavc58.62.100 libx265
 DURATION : 01:50:06.891000000
 Stream #0:1(eng), 0, 1/1000: Audio: truehd ([255][255][255][255] / 0xFFFFFFFF), 48000 Hz, 7.1, s32 (24 bit) (default)
 Metadata:
 title : input
 _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
 BPS-eng : 3544728
 DURATION-eng : 01:50:06.893000000
 NUMBER_OF_FRAMES-eng: 7928271
 NUMBER_OF_BYTES-eng: 2927455224
 _STATISTICS_WRITING_APP-eng: mkvmerge v40.0.0 ('Old Town Road + Pony') 64-bit
 _STATISTICS_WRITING_DATE_UTC-eng: 2019-11-30 10:59:25
 DURATION : 01:50:06.893000000
 Stream #0:2(eng), 0, 1/1000: Audio: aac (LC) ([255][0][0][0] / 0x00FF), 48000 Hz, 7.1, fltp (24 bit), 469 kb/s (default)
 Metadata:
 title : input
 _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
 BPS-eng : 3544728
 DURATION-eng : 01:50:06.893000000
 NUMBER_OF_FRAMES-eng: 7928271
 NUMBER_OF_BYTES-eng: 2927455224
 _STATISTICS_WRITING_APP-eng: mkvmerge v40.0.0 ('Old Town Road + Pony') 64-bit
 _STATISTICS_WRITING_DATE_UTC-eng: 2019-11-30 10:59:25
 DURATION : 01:50:06.893000000
 encoder : Lavc58.62.100 aac
cur_dts is invalid st:2 (0) [init:1 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)

....................
....................
[matroska @ 000001b290dfba40] Writing block of size 168 with pts 6606913, dts 6606913, duration 1 at relative offset 550755 in cluster at offset 9940898622. TrackNumber 2, keyframe 1
[matroska @ 000001b290dfba40] end duration = 6606914
[matroska @ 000001b290dfba40] stream 0 end duration = 6606912
[matroska @ 000001b290dfba40] stream 1 end duration = 6606914
[matroska @ 000001b290dfba40] stream 2 end duration = 6606914
frame=158407 fps=357 q=-1.0 Lsize= 9708475kB time=01:50:06.91 bitrate=12037.7kbits/s speed=14.9x 
video:6416483kB audio:3234397kB subtitle:0kB other streams:0kB global headers:2kB muxing overhead: 0.596787%
Input file #0 (input.mkv):
 Input stream #0:0 (video): 158407 packets read (6570478730 bytes); 
 Input stream #0:1 (audio): 7928271 packets read (2927455224 bytes); 7928271 frames decoded (317130840 samples); 
 Total: 8086678 packets (9497933954 bytes) demuxed
Output file #0 (destination.mkv):
 Output stream #0:0 (video): 158407 packets muxed (6570478730 bytes); 
 Output stream #0:1 (audio): 7928271 packets muxed (2927455224 bytes); 
 Output stream #0:2 (audio): 309699 frames encoded (317130840 samples); 309700 packets muxed (384567176 bytes); 
 Total: 8396378 packets (9882501130 bytes) muxed
7928271 frames successfully decoded, 0 decoding errors
[AVIOContext @ 000001b291230100] Statistics: 8 seeks, 39676 writeouts
[aac @ 000001b290dff3c0] Qavg: 3839.668
[AVIOContext @ 000001b290de4080] Statistics: 9554742230 bytes read, 0 seeks


-
Files dissapearing with ffmpeg recursive conversion
13 août 2014, par CaRoXoI started in askubuntu, asking for a way to convert recursively more than 14K of wma to mp3 extracting the wma files path from a txt file.
There was an answer that could cover my needs, but a bug appears. The first run with some hundreds worked ok. The second, some wma albums got converted, others entirely deleted. There were some modifications. And last time completely, deleted all wma without converting.this was the original script
#!/usr/bin/env bash
readarray -t files < wma-files.txt
for file in "${files[@]}"; do
out=`echo $file | sed "s:wma:mp3:"`
probe=`avprobe -show_streams "$file" 2>/dev/null`
rate=`echo "$probe" | grep "bit_rate" | sed "s:.*=\(.*\)[0-9][0-9][0-9][.].*:\1:"`
avconv -i "$file" -ab "$rate"k "$out"
rm "$file"
doneThen the adaptation with ffmpeg
#!/usr/bin/env bash
readarray -t files < wma-files.txt
for file in "${files[@]}"; do
out=`echo $file | sed "s:wma:mp3:"`
probe=`avprobe -show_streams "$file" 2>/dev/null`
rate=`echo "$probe" | grep "bit_rate" | sed "s:.*=\(.*\)[0-9][0-9][0-9][.].*:\1:"`
ffmpeg -i "$file" -ab "$rate"k "$out" && rm "$file"
doneWith the first one I converted many files. Other just get deleted. The ones deleted were always the same release (so, all tracks from a release). I can listen, and even convert them with Soundkonverter.
Both of them produces "no such file of directory" and when this happens, everything get deleted.
The partition where files are stored is a usb HDD ntfs, but also happens in my ext4 internal HD.
Im under Xubuntu 14.04Here the script running with avconv (wich what i managed to convert some, but other get dissapeared) http://pastebin.com/w5weqEws and with ffmpeg (that didn’t convert any) http://pastebin.com/3QkaPzvW
I can’t find differences between successfully and deleted original wma’s. But for example, while other progs like beets read and write the tags, puddletag and mp3tag (under wine) don’t, until I converted them with soundkonverter.
As the person trying to help me there redirect me here on the original post http://askubuntu.com/questions/508278/how-to-use-ffmpeg-to-convert-wma-to-mp3-recursively-importing-from-txt-file/508304#508304
Im here asking for any help to make run an script like this. Or any to use ffmpeg to convert recursively the audio files. My capacity of understanding is short for being able to make something working just reading the docs.So I ask a help to run this. If I miss any relevant information, just tell me.
NOTE : I want to add that doing the conversion with
for file in "${files[@]}"; do
out=`echo "$file" | sed s:wma:mp3:`
avconv -i "$file" -ab 192k "$out"
rm "$file"
doneIt works in the same files (the ones that are deleted with the other). Only that it makes everything to 192k, so not good if Im converting lower bitrate ones. And get this error "Application provided invalid, non monotonically increasing dts to muxer in stream 0" that seems something typical from avconv in 14.04. With ffmpeg I cant try becouse I don’t find the way how to use it, even out of the script. I really don’t understand the docs seems
.NOTE2 : This is a mediainfo exit from :
1- A typical wma that get dissapeared always with the script
Audio
ID : 1
Format : WMA
Format version : Version 2
Codec ID : 161
Codec ID/Info : Windows Media Audio
Description of the codec : Windows Media Audio 9 - 128 kbps, 44 kHz, stereo 1-pass CBR
Duration : 2mn 25s
Bit rate mode : Constant
Bit rate : 128 Kbps
Channel(s) : 2 channels
Sampling rate : 44.1 KHz
Bit depth : 16 bits
Stream size : 2.21 MiB (99%)
Language : English (US)2- A Wma that got succesfully converted (yes Im using copies now, I cant risk specially some rares audios that I got on the road)
Audio
ID : 1
Format : WMA
Format version : Version 2
Codec ID : 161
Codec ID/Info : Windows Media Audio
Description of the codec : Windows Media Audio 9 - 128 kbps, 44 kHz, stereo 1-pass CBR
Duration : 4mn 35s
Bit rate mode : Constant
Bit rate : 128 Kbps
Channel(s) : 2 channels
Sampling rate : 44.1 KHz
Bit depth : 16 bits
Stream size : 4.21 MiB (99%)
Language : English (US)So, as I don’t see difference, but maybe, I’m losing any data to look into ?
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