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Adding partial support for 10/12-bit video images seems to have broken the native pixel-stride support we were using to pass 8-bit AV1 frame data formatted in 16-bit pixel values, resulting in vertical green lines.
Revert to the earlier behavior of always downsampling to 8 bit data. This is slower, but at least displays correctly.
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Disabled by default.
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This reflects the API changes to the aom_codec_decode function and the removal of I440. It also sets allow_lowbitdepth to give proper support for 8 bit video, and removes the git version from the mime type.
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Update aom to commit id d14c5bb4f336ef1842046089849dee4a301fbbf0.
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The libaom av1 decoder will return 16 bit per channel aom_image_t structures with only 8 significant bits.
Detect this case and use the mSkip fields of PlanarYCbCrImage to handle the extra data instead of allocating and performing an extra copy to obtain the necessary 8 bit representation.
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The libaom av1 decoder can return high bit depth frame data now. Handle those frames by downsampling them to 8 bits per channel so they can be passed to our normal playback pipeline.
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When av1 video playback is enabled, declare it as supported in the webm container in MediaSource.IsTypeSupported.
Also support special mime types of the form video/webm; codecs=vp9.experimental.<git-commit-id> so test sites can verify playback support of particular encodings while the av1 bitstream is under development.
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Upstream has removed the requirement to set this when initializing the stream_info struct.
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Port the VPXDecoder interface to libaom which uses the same api with the names changed.
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Encapsulate code from WebMDemuxer to query keyframe and frame resolution inside VPXDecoder, so we have a clean wrapper for all the libvpx functions we use.
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Use the enum we already have here instead of converting to an int when we pass it around, giving us better type checking.
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Despite wording of the documentation to the contrary, we can't provide a static pointer to an immutable object.
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This creates a number of stubs and leaves some surrounding code that may be irrelevant (eg. recorded time stamps, status variables).
Stub resolution/removal should be a follow-up to this.
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Tag #20.
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Tag #288.
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Tag #288
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According to FFmpeg documentation, the out parameter is "set to size of parsed buffer or zero if not yet finished." however this is only the case if no error occurred; otherwise it is left untouched. We want the invalid content to generate a decoding error, so we set size to inputSize to ensure decoding failed later.
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