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fix(avplayer): add decode-ahead buffers for application video output

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When an application requests only 2 video buffers and holds one during playback, decode-ahead frames allow the decoder to stay ahead and prevent stalls under SyncModeNone.

Co-Authored-By: saulo benigno <[email protected]>
This commit is contained in:
hamb3randsaulo benigno committed 2026-10-05 03:10:07 +03:00
1 parent 9651ec9a92
commit c2fa7fd97f
1 file changed
+3 -2
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core/libs/prx/libSceAvPlayer/src/Source.cpp
+3 -2
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@@ -32,6 +32,7 @@ constexpr std::uint32_t VideoBufferAlignment = 0x100;
constexpr std::uint32_t AudioBufferAlignment = 0x10;
constexpr std::uint32_t AudioChunkSamples = 1024;
constexpr std::uint32_t AudioMaxChannels = 8;
constexpr std::uint32_t VideoDecodeAheadFrames = 4;
constexpr std::size_t VideoPacketLimit = 30;
constexpr std::size_t AudioPacketLimit = 8;
constexpr std::size_t AudioOnlyPacketLimit = 30;
@@ -604,8 +605,8 @@ private:
pitch = AlignUp(static_cast<std::uint32_t>(decoder.context->width), VideoPitchAlignment);
bufferHeight = AlignUp(static_cast<std::uint32_t>(decoder.context->height), VideoHeightAlignment);
decoder.bufferSize = pitch * bufferHeight * 3 / 2;
count = settings.videoBuffers;
decoder.retained = count > 3 ? count - 3 : 0;
count = settings.videoBuffers + VideoDecodeAheadFrames;
decoder.retained = settings.videoBuffers > 3 ? settings.videoBuffers - 3 : 0;
texture = true;
alignment = VideoBufferAlignment;
} else {