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LibVideo: Add the concept of codec identifiers

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This is required for detecting which decoder should be used.
Only a small subset of codecs identifiers is added for now
This commit is contained in:
Stephan Vedder 2023-11-22 14:48:06 +01:00 • committed by Luke Wilde
parent ff48b7333c
commit 1f55cc942d
5 changed files with 135 additions and 2 deletions
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14
Userland/Libraries/LibVideo/PlaybackManager.cpp
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@ -52,9 +52,19 @@ DecoderErrorOr<NonnullOwnPtr<PlaybackManager>> PlaybackManager::create(NonnullOw
dbgln_if(PLAYBACK_MANAGER_DEBUG, "Selecting video track number {}", track.identifier());
auto decoder = DECODER_TRY_ALLOC(try_make<VP9::Decoder>());
auto codec_id = TRY(demuxer->get_codec_id_for_track(track));
OwnPtr<VideoDecoder> decoder;
switch (codec_id) {
case CodecID::VP9:
decoder = DECODER_TRY_ALLOC(try_make<VP9::Decoder>());
break;
default:
return DecoderError::format(DecoderErrorCategory::Invalid, "Unsupported codec: {}", codec_id);
}
auto decoder_non_null = decoder.release_nonnull();
auto frame_queue = DECODER_TRY_ALLOC(VideoFrameQueue::create());
auto playback_manager = DECODER_TRY_ALLOC(try_make<PlaybackManager>(demuxer, track, move(decoder), move(frame_queue)));
auto playback_manager = DECODER_TRY_ALLOC(try_make<PlaybackManager>(demuxer, track, move(decoder_non_null), move(frame_queue)));
playback_manager->m_state_update_timer = DECODER_TRY_ALLOC(Core::Timer::create_single_shot(0, [&self = *playback_manager] { self.timer_callback(); }));