Merge pull request #9777 from vonchenplus/speed_up_video_copy
video_core: Speed up video frame data copy
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commit
c97b5c9ff9
@ -189,9 +189,7 @@ void Vic::WriteYUVFrame(const AVFrame* frame, const VicConfig& config) {
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for (std::size_t y = 0; y < frame_height; ++y) {
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for (std::size_t y = 0; y < frame_height; ++y) {
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const std::size_t src = y * stride;
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const std::size_t src = y * stride;
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const std::size_t dst = y * aligned_width;
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const std::size_t dst = y * aligned_width;
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for (std::size_t x = 0; x < frame_width; ++x) {
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std::memcpy(luma_buffer.data() + dst, luma_src + src, frame_width);
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luma_buffer[dst + x] = luma_src[src + x];
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}
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}
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}
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host1x.MemoryManager().WriteBlock(output_surface_luma_address, luma_buffer.data(),
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host1x.MemoryManager().WriteBlock(output_surface_luma_address, luma_buffer.data(),
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luma_buffer.size());
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luma_buffer.size());
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@ -205,15 +203,15 @@ void Vic::WriteYUVFrame(const AVFrame* frame, const VicConfig& config) {
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// Frame from FFmpeg software
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// Frame from FFmpeg software
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// Populate chroma buffer from both channels with interleaving.
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// Populate chroma buffer from both channels with interleaving.
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const std::size_t half_width = frame_width / 2;
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const std::size_t half_width = frame_width / 2;
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u8* chroma_buffer_data = chroma_buffer.data();
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const u8* chroma_b_src = frame->data[1];
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const u8* chroma_b_src = frame->data[1];
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const u8* chroma_r_src = frame->data[2];
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const u8* chroma_r_src = frame->data[2];
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for (std::size_t y = 0; y < half_height; ++y) {
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for (std::size_t y = 0; y < half_height; ++y) {
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const std::size_t src = y * half_stride;
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const std::size_t src = y * half_stride;
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const std::size_t dst = y * aligned_width;
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const std::size_t dst = y * aligned_width;
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for (std::size_t x = 0; x < half_width; ++x) {
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for (std::size_t x = 0; x < half_width; ++x) {
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chroma_buffer[dst + x * 2] = chroma_b_src[src + x];
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chroma_buffer_data[dst + x * 2] = chroma_b_src[src + x];
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chroma_buffer[dst + x * 2 + 1] = chroma_r_src[src + x];
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chroma_buffer_data[dst + x * 2 + 1] = chroma_r_src[src + x];
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}
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}
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}
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}
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break;
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break;
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@ -225,9 +223,7 @@ void Vic::WriteYUVFrame(const AVFrame* frame, const VicConfig& config) {
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for (std::size_t y = 0; y < half_height; ++y) {
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for (std::size_t y = 0; y < half_height; ++y) {
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const std::size_t src = y * stride;
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const std::size_t src = y * stride;
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const std::size_t dst = y * aligned_width;
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const std::size_t dst = y * aligned_width;
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for (std::size_t x = 0; x < frame_width; ++x) {
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std::memcpy(chroma_buffer.data() + dst, chroma_src + src, frame_width);
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chroma_buffer[dst + x] = chroma_src[src + x];
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}
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}
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}
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break;
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break;
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}
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}
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