This situation looks counterintuitive to me.
Source File:
General Complete name : \\P8Z77\2023-08-02-0.mpg Format : MPEG-PS File size : 4.40 GiB Duration : 1 h 1 min Overall bit rate mode : Variable Overall bit rate : 10.2 Mb/s Frame rate : 59.940 FPS Movie name : GMA3: WHAT YOU NEED TO KNOW Law rating : None Video ID : 224 (0xE0) Format : MPEG Video Commercial name : HDV 720p Format version : Version 2 Format profile : Main@High Format settings : CustomMatrix / BVOP Format settings, BVOP : Yes Format settings, Matrix : Custom Format settings, GOP : Variable Duration : 1 h 1 min Bit rate mode : Variable Bit rate : 9 394 kb/s Maximum bit rate : 17.6 Mb/s Width : 1 280 pixels Height : 720 pixels Display aspect ratio : 16:9 Active Format Description : Full frame 16:9 image Frame rate : 59.940 (60000/1001) FPS Color space : YUV Chroma subsampling : 4:2:0 Bit depth : 8 bits Scan type : Progressive Compression mode : Lossy Bits/(Pixel*Frame) : 0.170 Time code of first frame : 15:05:03;07 Time code source : Group of pictures header GOP, Open/Closed : Open Stream size : 4.07 GiB (92%) Audio #1 ID : 189 (0xBD)-128 (0x80) Format : AC-3 Format/Info : Audio Coding 3 Commercial name : Dolby Digital Muxing mode : DVD-Video Duration : 1 h 1 min Bit rate mode : Constant Bit rate : 384 kb/s Channel(s) : 6 channels Channel layout : L R C LFE Ls Rs Sampling rate : 48.0 kHz Frame rate : 31.250 FPS (1536 SPF) Compression mode : Lossy Delay relative to video : 4 ms Stream size : 170 MiB (4%) Service kind : Complete Main Audio #2 ID : 189 (0xBD)-129 (0x81) Format : AC-3 Format/Info : Audio Coding 3 Commercial name : Dolby Digital Muxing mode : DVD-Video Duration : 1 h 1 min Bit rate mode : Constant Bit rate : 192 kb/s Channel(s) : 2 channels Channel layout : L R Sampling rate : 48.0 kHz Frame rate : 31.250 FPS (1536 SPF) Compression mode : Lossy Delay relative to video : 4 ms Stream size : 85.1 MiB (2%) Service kind : Complete Main Text #1 ID : 224 (0xE0)-CC1 Format : EIA-608 Muxing mode : A/53 / DTVCC Transport Muxing mode, more info : Muxed in Video #1 Duration : 1 h 1 min Duration of the visible content : 1 h 1 min Start time (commands) : 9 s 693 ms Start time : 9 s 726 ms End time : 1 h 1 min Bit rate mode : Constant Stream size : 0.00 Byte (0%) Type of the first event : RollUp Text #2 ID : 224 (0xE0)-CC3 Format : EIA-608 Muxing mode : A/53 / DTVCC Transport Muxing mode, more info : Muxed in Video #1 Duration : 1 h 1 min Start time (commands) : 5 s 38 ms Bit rate mode : Constant Stream size : 0.00 Byte (0%) Text #3 ID : 224 (0xE0)-1 Format : EIA-708 Muxing mode : A/53 / DTVCC Transport Muxing mode, more info : Muxed in Video #1 Duration : 1 h 1 min Bit rate mode : Constant Stream size : 0.00 Byte (0%) Text #4 ID : 224 (0xE0)-3 Format : EIA-708 Muxing mode : A/53 / DTVCC Transport Muxing mode, more info : Muxed in Video #1 Duration : 1 h 1 min Bit rate mode : Constant Stream size : 0.00 Byte (0%)
is decoded by
General Name: 2023-08-02-0.mpg Folder: \\P8Z77\z77 G WD-8TB1\General Hospital Type: MAGIX MPEG Size: 4.62 GB (4,726,761,472 bytes) Created: Wednesday, August 2, 2023, 3:05:47 PM Modified: Wednesday, August 2, 2023, 3:06:32 PM Accessed: Wednesday, August 2, 2023, 4:42:06 PM Attributes: Archive Streams Video: 01:01:57.414, 59.940 fps progressive, 1280x720x32, MPEG Audio: 01:01:57.413, 48,000 Hz, Stereo, AC-3 2.0 ACID information ACID chunk: no Stretch chunk: no Stretch list: no Stretch info2: no Beat markers: no Detected beats: no Other metadata Regions/markers: no Command markers: no Media manager Media tags: no Plug-In Name: mxhevcplug.dll Folder: C:\Program Files\VEGAS\VEGAS Pro 20.0\FileIO Plug-Ins\mxhevcplug Format: MAGIX MPEG Version: Version 1.0 (Build 8532) Company: MAGIX Computer Products Intl. Co.
and only decodes one stereo audio stream, when the same data in a .ts, .m2ts or .mts wrapper is decoded by
General Name: 2023-08-02-0 TS Wrapper.ts Folder: \\P8Z77\z77 G WD-8TB1\General Hospital Type: MPEG-2 Transport Stream Size: 4.72 GB (4,836,639,340 bytes) Created: Wednesday, August 2, 2023, 4:57:37 PM Modified: Wednesday, August 2, 2023, 4:58:07 PM Accessed: Wednesday, August 2, 2023, 5:06:08 PM Attributes: Archive Streams Video: 01:01:57.414, 59.940 fps progressive, 1280x720x12, MPEG-2 Audio 1: 01:01:57.430, 48,000 Hz, 5.1 Surround (stereo downmix), Dolby AC-3 Audio 2: 01:01:57.430, 48,000 Hz, 5.1 Surround, Dolby AC-3 Audio 3: 01:01:57.430, 48,000 Hz, Stereo, Dolby AC-3 ACID information ACID chunk: no Stretch chunk: no Stretch list: no Stretch info2: no Beat markers: no Detected beats: no Other metadata Regions/markers: no Command markers: no Media manager Media tags: no Plug-In Name: compoundplug.dll Folder: C:\Program Files\VEGAS\VEGAS Pro 20.0\FileIO Plug-Ins\compoundplug Format: MPEG-2 Transport Stream Version: Version 20.0 (Build 411) Company: MAGIX Computer Products Intl. Co.
and all AC3 audio streams are available.
Is that a typo in the plugin selection code?