AutoFramerate Matching wasn’t enabled unless it came set that way when I upgraded — I definitely didn’t turn it on.
It looks like the AVI files that I was trying to play were all similarly encoded: XVID video, MP3 audio. Here’s the output for a couple of sample files.
FILE 1:
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Format : AVI
Format/Info : Audio Video Interleave
File size : 233 MiB
Duration : 28mn 50s
Overall bit rate : 1 129 Kbps
Writing application : VirtualDubMod 1.5.10.2 (build 2540/release)
Writing library : VirtualDubMod build 2540/release
Video
ID : 0
Format : MPEG-4 Visual
Format profile : Advanced Simple@L5
Format settings, BVOP : Yes
Format settings, QPel : No
Format settings, GMC : No warppoints
Format settings, Matrix : Default (H.263)
Codec ID : XVID
Codec ID/Hint : XviD
Duration : 28mn 50s
Bit rate : 985 Kbps
Width : 624 pixels
Height : 352 pixels
Display aspect ratio : 16:9
Frame rate : 25.000 fps
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Compression mode : Lossy
Bits/(Pixel*Frame) : 0.179
Stream size : 203 MiB (87%)
Writing library : XviD 1.2.1 (UTC 2008-12-04)
Audio
ID : 1
Format : MPEG Audio
Format version : Version 1
Format profile : Layer 3
Mode : Joint stereo
Mode extension : MS Stereo
Codec ID : 55
Codec ID/Hint : MP3
Duration : 28mn 49s
Bit rate mode : Variable
Bit rate : 132 Kbps
Minimum bit rate : 32.0 Kbps
Channel(s) : 2 channels
Sampling rate : 48.0 KHz
Compression mode : Lossy
Stream size : 27.1 MiB (12%)
Alignment : Aligned on interleaves
Interleave, duration : 24 ms (0.60 video frame)
Interleave, preload duration : 580 ms
Writing library : LAME3.98r
Encoding settings : -m j -V 5 -q 2 -lowpass 16.5 --vbr-new -b 32
FILE 2:
***********************************
Format : AVI
Format/Info : Audio Video Interleave
File size : 351 MiB
Duration : 40mn 37s
Overall bit rate : 1 208 Kbps
Writing application : Some super fast AVI muxer
Video
ID : 0
Format : MPEG-4 Visual
Format profile : Advanced Simple@L5
Format settings, BVOP : Yes
Format settings, QPel : No
Format settings, GMC : No warppoints
Format settings, Matrix : Default (H.263)
Codec ID : XVID
Codec ID/Hint : XviD
Duration : 40mn 37s
Bit rate : 1 044 Kbps
Width : 624 pixels
Height : 352 pixels
Display aspect ratio : 16:9
Frame rate : 23.976 fps
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Compression mode : Lossy
Bits/(Pixel*Frame) : 0.198
Stream size : 303 MiB (86%)
Writing library : XviD 70
Audio
ID : 1
Format : MPEG Audio
Format version : Version 1
Format profile : Layer 3
Codec ID : 55
Codec ID/Hint : MP3
Duration : 38mn 8s
Bit rate mode : Variable
Bit rate : 147 Kbps
Channel(s) : 2 channels
Sampling rate : 48.0 KHz
Compression mode : Lossy
Stream size : 42.9 MiB (12%)
Alignment : Aligned on interleaves
Interleave, duration : 24 ms (0.58 video frame)
Interleave, preload duration : 46 ms