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Add some comments and organize some things

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MaranBr 2025-07-17 09:48:04 -04:00 • committed by crueter
parent 62c8d71ee4
commit 027e896065
1 changed files with 5 additions and 3 deletions
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8
src/video_core/host1x/ffmpeg/ffmpeg.cpp
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@ -39,6 +39,7 @@ constexpr std::array PreferredGpuDecoders = {
};
AVPixelFormat GetGpuFormat(AVCodecContext* codec_context, const AVPixelFormat* pix_fmts) {
// Check if there is a specific pixel format supported by the GPU decoder.
for (int i = 0;; i++) {
const AVCodecHWConfig* config = avcodec_get_hw_config(codec_context->codec, i);
if (!config) {
@ -54,6 +55,7 @@ AVPixelFormat GetGpuFormat(AVCodecContext* codec_context, const AVPixelFormat* p
}
}
// Check if there is another pixel format supported by the GPU decoder.
const auto desc = av_pix_fmt_desc_get(codec_context->pix_fmt);
if (desc && desc->flags & AV_PIX_FMT_FLAG_HWACCEL) {
for (const AVPixelFormat* p = pix_fmts; *p != AV_PIX_FMT_NONE; ++p) {
@ -63,7 +65,8 @@ AVPixelFormat GetGpuFormat(AVCodecContext* codec_context, const AVPixelFormat* p
}
}
LOG_INFO(HW_GPU, "Could not find compatible GPU AV format, falling back to CPU");
// Fallback to CPU decoder.
LOG_INFO(HW_GPU, "Could not find compatible GPU pixel format, falling back to CPU");
av_buffer_unref(&codec_context->hw_device_ctx);
return AV_PIX_FMT_YUV420P;
@ -242,8 +245,6 @@ bool DecoderContext::SendPacket(const Packet& packet) {
}
std::shared_ptr<Frame> DecoderContext::ReceiveFrame() {
m_temp_frame = std::make_shared<Frame>();
auto ReceiveImpl = [&](AVFrame* frame) -> bool {
if (const int ret = avcodec_receive_frame(m_codec_context, frame); ret < 0 && ret != AVERROR_EOF) {
LOG_ERROR(HW_GPU, "avcodec_receive_frame error: {}", AVError(ret));
@ -257,6 +258,7 @@ std::shared_ptr<Frame> DecoderContext::ReceiveFrame() {
return {};
}
m_temp_frame = std::make_shared<Frame>();
if (m_codec_context->hw_device_ctx) {
m_temp_frame->SetFormat(AV_PIX_FMT_NV12);
if (int ret = av_hwframe_transfer_data(m_temp_frame->GetFrame(), intermediate_frame->GetFrame(), 0); ret < 0) {