[BUG] Passthrough audio changes sample rate on multiple audio streams

[Selur]

Okay, the problem seems to be that MediaInfo reports only one audio stream:

General Count : 331 Count of stream of this kind : 1 Kind of stream : General Kind of stream : General Stream identifier : 0 Count of video streams : 1 Count of audio streams : 1 Video_Format_List : DV Video_Format_WithHint_List : DV Codecs Video : DV Audio_Format_List : PCM Audio_Format_WithHint_List : PCM Audio codecs : PCM Complete name : C:\Users\Selur\Desktop\multiaudio_32kHz_2006-04-02 17.24.00.avi Folder name : C:\Users\Selur\Desktop File name extension : multiaudio_32kHz_2006-04-02 17.24.00.avi File name : multiaudio_32kHz_2006-04-02 17.24.00 File extension : avi Format : AVI Format : AVI Format/Info : Audio Video Interleave Format/Extensions usually used : avi Commercial name : AVI DVCAM Commercial name : DVCAM Internet media type : video/vnd.avi File size : 22880256 File size : 21.8 MiB File size : 22 MiB File size : 22 MiB File size : 21.8 MiB File size : 21.82 MiB Duration : 6320 Duration : 6 s 320 ms Duration : 6 s 320 ms Duration : 6 s 320 ms Duration : 00:00:06.320 Duration : 00:00:06:08 Duration : 00:00:06.320 (00:00:06:08) Overall bit rate mode : CBR Overall bit rate mode : Constant Overall bit rate : 28962349 Overall bit rate : 29.0 Mb/s Frame rate : 25.000 Frame rate : 25.000 FPS Frame count : 158 Stream size : 128256 Stream size : 125 KiB (1%) Stream size : 125 KiB Stream size : 125 KiB Stream size : 125 KiB Stream size : 125.2 KiB Stream size : 125 KiB (1%) Proportion of this stream : 0.00561 Recorded date : 2009-07-12 19:57:55.000 File creation date : UTC 2022-07-10 04:47:11.314 File creation date (local) : 2022-07-10 06:47:11.314 File last modification date : UTC 2022-07-10 04:47:11.421 File last modification date (local) : 2022-07-10 06:47:11.421 Video Count : 381 Count of stream of this kind : 1 Kind of stream : Video Kind of stream : Video Stream identifier : 0 StreamOrder : 0 ID : 0 ID : 0 Format : DV Format : DV Commercial name : DVCAM Commercial name : DVCAM Internet media type : video/DV Duration : 6320 Duration : 6 s 320 ms Duration : 6 s 320 ms Duration : 6 s 320 ms Duration : 00:00:06.320 Duration : 00:00:06:08 Duration : 00:00:06.320 (00:00:06:08) Bit rate mode : CBR Bit rate mode : Constant Bit rate : 24441600 Bit rate : 24.4 Mb/s Encoded bit rate : 28800000 Encoded bit rate : 28.8 Mb/s Width : 720 Width : 720 pixels Height : 576 Height : 576 pixels Pixel aspect ratio : 1.067 Display aspect ratio : 1.333 Display aspect ratio : 4:3 Frame rate mode : CFR Frame rate mode : Constant Frame rate : 25.000 Frame rate : 25.000 FPS Frame count : 158 Standard : PAL Color space : YUV Chroma subsampling : 4:2:0 Chroma subsampling : 4:2:0 Bit depth : 8 Bit depth : 8 bits Scan type : Interlaced Scan type : Interlaced Scan order : BFF Scan order : Bottom Field First Compression mode : Lossy Compression mode : Lossy Bits/(Pixel*Frame) : 2.357 Delay : 3755440 Delay : 1 h 2 min Delay : 1 h 2 min 35 s 440 ms Delay : 1 h 2 min Delay : 01:02:35.440 Delay : 01:02:35:11 Delay : 01:02:35.440 (01:02:35:11) Delay_DropFrame : No Delay, origin : Stream Delay, origin : Raw stream Time code of first frame : 01:02:35:11 TimeCode_DropFrame : No Time code source : Subcode time code Stream size : 22752000 Stream size : 21.7 MiB (99%) Stream size : 22 MiB Stream size : 22 MiB Stream size : 21.7 MiB Stream size : 21.70 MiB Stream size : 21.7 MiB (99%) Proportion of this stream : 0.99439 Audio Count : 285 Count of stream of this kind : 1 Kind of stream : Audio Kind of stream : Audio Stream identifier : 0 ID : 0-0 ID : 0-0 Format : PCM Format : PCM Commercial name : PCM Format settings : Big / Signed Format settings, Endianness : Big Format settings, Sign : Signed Muxing mode : DV Muxing mode, more info : Muxed in Video #1 Duration : 6320 Duration : 6 s 320 ms Duration : 6 s 320 ms Duration : 6 s 320 ms Duration : 00:00:06.320 Duration : 00:00:06.320 Bit rate mode : CBR Bit rate mode : Constant Bit rate : 1536000 Bit rate : 1 536 kb/s Encoded bit rate : 0 Encoded bit rate : 0 b/s Channel(s) : 2 Channel(s) : 2 channels Sampling rate : 48000 Sampling rate : 48.0 kHz Samples count : 303360 Bit depth : 16 Bit depth : 16 bits Delay : 3755440 Delay : 1 h 2 min Delay : 1 h 2 min 35 s 440 ms Delay : 1 h 2 min Delay : 01:02:35.440 Delay : 01:02:35.440 Delay, origin : Stream Delay, origin : Raw stream Delay relative to video : 0 Delay relative to video : 00:00:00.000 Delay relative to video : 00:00:00.000 Stream size : 1213440 Stream size : 1.16 MiB (5%) Stream size : 1 MiB Stream size : 1.2 MiB Stream size : 1.16 MiB Stream size : 1.157 MiB Stream size : 1.16 MiB (5%) Proportion of this stream : 0.05303 Encoded stream size : 0 Encoded stream size : 0.00 Byte (0%) Encoded stream size : Byte0 Encoded stream size : 0.0 Byte Encoded stream size : 0.00 Byte Encoded stream size : 0.000 Byte Encoded stream size : 0.00 Byte (0%) StreamSize_Encoded_Proportion : 0.00000

FFmpeg/FFprobe/FFplayer report:

Input #0, avi, from 'c:\Users\Selur\Desktop\multiaudio_32kHz_2006-04-02 17.24.00.avi': Duration: 00:00:06.32, start: 0.000000, bitrate: 28962 kb/s Stream #0:0: Video: dvvideo, yuv420p, 720x576 [SAR 16:15 DAR 4:3], 25000 kb/s, 25 fps, 25 tbr, 25 tbn Stream #0:1: Audio: pcm_s16le, 48000 Hz, stereo, s16, 1536 kb/s Stream #0:2: Audio: pcm_s16le, 32000 Hz, stereo, s16, 1024 kb/s

MPlayer reports:

======= VIDEO Format ====== biSize 40 biWidth 720 biHeight 576 biPlanes 1 biBitCount 0 biCompression 1685288548='dvsd' biSizeImage 0 =========================== [lavf] stream 0: video (dvvideo), -vid 0 ==> Found audio stream: 1 ID_AUDIO_ID=0 ======= WAVE Format ======= Format Tag: 1 (0x1) Channels: 2 Samplerate: 48000 avg byte/sec: 192000 Block align: 1 bits/sample: 16 cbSize: 0 ========================================================================== [lavf] stream 1: audio (pcm_s16le), -aid 0 ==> Found audio stream: 2 ID_AUDIO_ID=1 ======= WAVE Format ======= Format Tag: 1 (0x1) Channels: 2 Samplerate: 32000 avg byte/sec: 128000 Block align: 1 bits/sample: 16 cbSize: 0 ========================================================================== [lavf] stream 2: audio (pcm_s16le), -aid 1 LAVF: 2 audio and 1 video streams found LAVF: build 3868772 VIDEO: [dvsd] 720x576 0bpp 25.000 fps 25000.0 kbps (3051.8 kbyte/s) [V] filefmt:35 fourcc:0x64737664 size:720x576 fps:25.000 ftime:=0.0400 ==========================================================================

First time mediainfo reports less audio streams than libav/ffmpeg -> looking into it.

Cu Selur