Re: [PATCH 0/1] MR6447: winegstreamer/wm_reader: Use codec format only for compressed types.

[Ziqing Hui (＠zhui)]

On Wed Sep 18 16:50:37 2024 +0000, Elizabeth Figura wrote:
> I don't understand. We should be calling wg_parser_stream_enable() with
> that format, right?
> For uncompressed situation, we are calling wg_parser_stream_enable() with RGB24 in wm_reader:init_stream(), so wg_parser will finally output RGB24.

But the codec_format is not RGB24, it is the format of the stream. It is converted to RGB24 by videoconvert.

In uncompressed situation, application expect the result of stream_props_GetMediaType() to be the final output format, which is RGB24, so we should not use codec_format in stream_props_GetMediaType() for uncompressed.

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https://gitlab.winehq.org/wine/wine/-/merge_requests/6447#note_82596