mirror of https://github.com/mpv-player/mpv
01869d1391
Instead of putting codec header data into WAVEFORMATEX and BITMAPINFOHEADER, pass it directly via AVCodecContext. To do this, we add mp_copy_lav_codec_headers(), which copies the codec header data from one AVCodecContext to another (originally, the plan was to use avcodec_copy_context() for this, but it looks like this would turn decoder initialization into an even worse mess). Get rid of the silly CodecID <-> codec_tag mapping. This was originally needed for codecs.conf: codec tags were used to identify codecs, but libavformat didn't always return useful codec tags (different file formats can have different, overlapping tag numbers). Since we don't go through WAVEFORMATEX etc. and pass all header data directly via AVCodecContext, we can be absolutely sure that the codec tag mapping is not needed anymore. Note that this also destroys the "standard" MPlayer method of exporting codec header data. WAVEFORMATEX and BITMAPINFOHEADER made sure that other non-libavcodec decoders could be initialized. However, all these decoders have been removed, so this is just cruft full of old hacks that are not needed anymore. There's still ad_spdif and ad_mpg123, bu neither of these need codec header data. Should we ever add non-libavcodec decoders, better data structures without the past hacks could be added to export the headers. |
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|---|---|---|
| .. | ||
| ad.c | ||
| ad.h | ||
| ad_internal.h | ||
| ad_lavc.c | ||
| ad_mpg123.c | ||
| ad_spdif.c | ||
| dec_audio.c | ||
| dec_audio.h | ||