ffmpeg: Invalid data found when processing input

[Chiiruno]

Happens with vp9 webm encoded with -threads 16 -row-mt 1

[libvpx-vp9 @ 0x7f784c3d7800] Failed to decode frame: Bitstream not supported by this decoder
[libvpx-vp9 @ 0x7f784c3d7800] Additional information: Unsupported bitstream profile

Probably need to upgrade to ffmpeg 4.

[bakape]

Yes, upgrade FFmpeg.

On Mon, 11 Nov 2019, 09:50 チルノ, notifications@github.com wrote:

Happens with vp9 webm encoded with -threads 16 -row-mt 1

[libvpx-vp9 @ 0x7f784c3d7800] Failed to decode frame: Bitstream not supported by this decoder [libvpx-vp9 @ 0x7f784c3d7800] Additional information: Unsupported bitstream profile

Probably need to upgrade to ffmpeg 4.

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[Chiiruno]

@bakape I was wondering, why not just use https://github.com/dirkvdb/ffmpegthumbnailer for videos?

[Chiiruno]

Hm, can't output as webp, and I imagine it's non-trivial to get the image data itself to do that in thumbnailer.

[Chiiruno]

Not a bug, it's just that debian buster has an older version of libvpx. Is there a way to work around this in thumbnailer?

[Chiiruno]

Also, this has nothing to do with row-mt most likely, it seems to happen with vp9 video streams converted from h.265.

[bakape]

1. apt build-dep ffmpeg libvpx
2. Compile and install fresher libvpx
3. Compile and install fresher ffmpeg
4. go clean --cache
5. Rebuild project

[Chiiruno]

That worked, we should probably add to the readme a minimum version for them. https://chromium.googlesource.com/webm/libvpx/+/refs/tags/v1.8.1 https://github.com/FFmpeg/FFmpeg/releases/tag/n4.2.1