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Properly scale image on VAAPI

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This commit is contained in:
loki
2021-06-05 12:25:19 +02:00
parent 6b9ed7fcb3
commit f2863cceb7
6 changed files with 34 additions and 20 deletions
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37
sunshine/platform/linux/vaapi.cpp
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@@ -494,7 +494,7 @@ public:
color_matrix.update(members, sizeof(members) / sizeof(decltype(members[0])));
}
int init(const char *render_device) {
int init(int in_width, int in_height, const char *render_device) {
file.el = open(render_device, O_RDWR);
if(file.el < 0) {
@@ -661,6 +661,9 @@ public:
tex_in = gl::tex_t::make(1);
this->in_width = in_width;
this->in_height = in_height;
data = (void *)vaapi_make_hwdevice_ctx;
gl_drain_errors;
return 0;
@@ -671,7 +674,7 @@ public:
gl::ctx.ActiveTexture(GL_TEXTURE0);
gl::ctx.BindTexture(GL_TEXTURE_2D, tex);
gl::ctx.TexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, out_width, out_height, GL_BGRA, GL_UNSIGNED_BYTE, img.data);
gl::ctx.TexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, in_width, in_height, GL_BGRA, GL_UNSIGNED_BYTE, img.data);
GLenum attachments[] {
GL_COLOR_ATTACHMENT0,
@@ -693,7 +696,7 @@ public:
gl::ctx.UseProgram(program[x].handle());
program[x].bind(color_matrix);
gl::ctx.Viewport(0, 0, out_width / (x + 1), out_height / (x + 1));
gl::ctx.Viewport(offsetX / (x + 1), offsetY / (x + 1), out_width / (x + 1), out_height / (x + 1));
gl::ctx.DrawArrays(GL_TRIANGLES, 0, 3);
}
@@ -718,15 +721,25 @@ public:
nv12 = std::move(*nv12_opt);
out_width = frame->width;
out_height = frame->height;
// // Ensure aspect ratio is maintained
auto scalar = std::fminf(frame->width / (float)in_width, frame->height / (float)in_height);
auto out_width_f = in_width * scalar;
auto out_height_f = in_height * scalar;
// result is always positive
auto offsetX_f = (frame->width - out_width_f) / 2;
auto offsetY_f = (frame->height - out_height_f) / 2;
out_width = out_width_f;
out_height = out_height_f;
offsetX = offsetX_f;
offsetY = offsetY_f;
auto tex = tex_in[0];
// gl::ctx.ActiveTexture(GL_TEXTURE0);
gl::ctx.BindTexture(GL_TEXTURE_2D, tex);
// gl::ctx.TexImage2D(GL_TEXTURE_2D, 0, 4, out_width, out_height, 0, GL_BGRA, GL_UNSIGNED_BYTE, (void *)dummy_img.begin());
gl::ctx.TexStorage2D(GL_TEXTURE_2D, 1, GL_RGBA8, out_width, out_height);
gl::ctx.TexStorage2D(GL_TEXTURE_2D, 1, GL_RGBA8, in_width, in_height);
auto loc_width_i = gl::ctx.GetUniformLocation(program[1].handle(), "width_i");
if(loc_width_i < 0) {
@@ -748,7 +761,9 @@ public:
}
}
std::uint32_t out_width, out_height;
int in_width, in_height;
int out_width, out_height;
int offsetX, offsetY;
va::display_t::pointer va_display;
@@ -831,11 +846,11 @@ int vaapi_make_hwdevice_ctx(platf::hwdevice_t *base, AVBufferRef **hw_device_buf
return 0;
}
std::shared_ptr<platf::hwdevice_t> make_hwdevice() {
std::shared_ptr<platf::hwdevice_t> make_hwdevice(int width, int height) {
auto egl = std::make_shared<egl_t>();
auto render_device = config::video.adapter_name.empty() ? "/dev/dri/renderD128" : config::video.adapter_name.c_str();
if(egl->init(render_device)) {
if(egl->init(width, height, render_device)) {
return nullptr;
}