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Implement HDR support for Linux KMS capture backend (#1994)

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Co-authored-by: ReenigneArcher <42013603+ReenigneArcher@users.noreply.github.com>
This commit is contained in:
Cameron Gutman 2024-01-11 22:41:58 -06:00 • committed by GitHub
commit 056281b745
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GPG key ID: 4AEE18F83AFDEB23
5 changed files with 177 additions and 26 deletions
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25
src/platform/linux/vaapi.cpp
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@ -130,12 +130,12 @@ namespace va {
}
int
set_frame(AVFrame *frame, AVBufferRef *hw_frames_ctx) override {
set_frame(AVFrame *frame, AVBufferRef *hw_frames_ctx_buf) override {
this->hwframe.reset(frame);
this->frame = frame;
if (!frame->buf[0]) {
if (av_hwframe_get_buffer(hw_frames_ctx, frame, 0)) {
if (av_hwframe_get_buffer(hw_frames_ctx_buf, frame, 0)) {
BOOST_LOG(error) << "Couldn't get hwframe for VAAPI"sv;
return -1;
}
@ -143,6 +143,7 @@ namespace va {
va::DRMPRIMESurfaceDescriptor prime;
va::VASurfaceID surface = (std::uintptr_t) frame->data[3];
auto hw_frames_ctx = (AVHWFramesContext *) hw_frames_ctx_buf->data;
auto status = vaExportSurfaceHandle(
this->va_display,
@ -194,7 +195,25 @@ namespace va {
return -1;
}
auto sws_opt = egl::sws_t::make(width, height, frame->width, frame->height);
// Decide the bit depth format of the backing texture based the target frame format
GLint gl_format;
switch (hw_frames_ctx->sw_format) {
case AV_PIX_FMT_YUV420P:
case AV_PIX_FMT_NV12:
gl_format = GL_RGBA8;
break;
case AV_PIX_FMT_YUV420P10:
case AV_PIX_FMT_P010:
gl_format = GL_RGB10_A2;
break;
default:
BOOST_LOG(error) << "Unsupported pixel format for VA frame: "sv << hw_frames_ctx->sw_format;
return -1;
}
auto sws_opt = egl::sws_t::make(width, height, frame->width, frame->height, gl_format);
if (!sws_opt) {
return -1;
}