Scale video/image to output size instead of adding black bars or no scaling

This commit is contained in:
dec05eba
2025-11-17 23:19:26 +01:00
parent a3e1b2a896
commit cc43ca0336
6 changed files with 10 additions and 25 deletions

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@@ -20,7 +20,7 @@ typedef struct {
} gsr_capture_metadata;
struct gsr_capture {
/* These methods should not be called manually. Call gsr_capture_* instead. |capture_metdata->width| and |capture_metadata->height| should be set by this function */
/* These methods should not be called manually. Call gsr_capture_* instead. |capture_metadata->width| and |capture_metadata->height| should be set by this function */
int (*start)(gsr_capture *cap, gsr_capture_metadata *capture_metadata);
void (*on_event)(gsr_capture *cap, gsr_egl *egl); /* can be NULL */
void (*tick)(gsr_capture *cap); /* can be NULL. If there is an event then |on_event| is called before this */

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@@ -625,10 +625,7 @@ static int gsr_capture_kms_capture(gsr_capture *cap, gsr_capture_metadata *captu
if(self->params.region_size.x > 0 && self->params.region_size.y > 0)
self->capture_size = self->params.region_size;
const bool is_scaled = self->params.output_resolution.x > 0 && self->params.output_resolution.y > 0;
vec2i output_size = is_scaled ? self->params.output_resolution : self->capture_size;
output_size = scale_keep_aspect_ratio(self->capture_size, output_size);
const vec2i output_size = scale_keep_aspect_ratio(self->capture_size, (vec2i){capture_metadata->width, capture_metadata->height});
const vec2i target_pos = { max_int(0, capture_metadata->width / 2 - output_size.x / 2), max_int(0, capture_metadata->height / 2 - output_size.y / 2) };
gsr_capture_kms_update_capture_size_change(self, color_conversion, target_pos, drm_fd);

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@@ -333,10 +333,7 @@ static int gsr_capture_nvfbc_capture(gsr_capture *cap, gsr_capture_metadata *cap
if(self->params.region_size.x > 0 && self->params.region_size.y > 0)
frame_size = self->params.region_size;
const bool is_scaled = self->params.output_resolution.x > 0 && self->params.output_resolution.y > 0;
vec2i output_size = is_scaled ? self->params.output_resolution : frame_size;
output_size = scale_keep_aspect_ratio(frame_size, output_size);
const vec2i output_size = scale_keep_aspect_ratio(frame_size, (vec2i){capture_metadata->width, capture_metadata->height});
const vec2i target_pos = { max_int(0, capture_metadata->width / 2 - output_size.x / 2), max_int(0, capture_metadata->height / 2 - output_size.y / 2) };
NVFBC_FRAME_GRAB_INFO frame_info;

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@@ -353,10 +353,7 @@ static int gsr_capture_portal_capture(gsr_capture *cap, gsr_capture_metadata *ca
}
}
const bool is_scaled = self->params.output_resolution.x > 0 && self->params.output_resolution.y > 0;
vec2i output_size = is_scaled ? self->params.output_resolution : self->capture_size;
output_size = scale_keep_aspect_ratio(self->capture_size, output_size);
const vec2i output_size = scale_keep_aspect_ratio(self->capture_size, (vec2i){capture_metadata->width, capture_metadata->height});
const vec2i target_pos = { max_int(0, capture_metadata->width / 2 - output_size.x / 2), max_int(0, capture_metadata->height / 2 - output_size.y / 2) };
const vec2i actual_texture_size = {self->pipewire_data.texture_width, self->pipewire_data.texture_height};

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@@ -224,7 +224,7 @@ static bool gsr_capture_xcomposite_should_stop(gsr_capture *cap, bool *err) {
return false;
}
static int gsr_capture_xcomposite_capture(gsr_capture *cap, gsr_capture_metadata *capture_metdata, gsr_color_conversion *color_conversion) {
static int gsr_capture_xcomposite_capture(gsr_capture *cap, gsr_capture_metadata *capture_metadata, gsr_color_conversion *color_conversion) {
gsr_capture_xcomposite *self = cap->priv;
if(self->clear_background) {
@@ -232,11 +232,8 @@ static int gsr_capture_xcomposite_capture(gsr_capture *cap, gsr_capture_metadata
gsr_color_conversion_clear(color_conversion);
}
const bool is_scaled = self->params.output_resolution.x > 0 && self->params.output_resolution.y > 0;
vec2i output_size = is_scaled ? self->params.output_resolution : self->texture_size;
output_size = scale_keep_aspect_ratio(self->texture_size, output_size);
const vec2i target_pos = { max_int(0, capture_metdata->width / 2 - output_size.x / 2), max_int(0, capture_metdata->height / 2 - output_size.y / 2) };
const vec2i output_size = scale_keep_aspect_ratio(self->texture_size, (vec2i){capture_metadata->width, capture_metadata->height});
const vec2i target_pos = { max_int(0, capture_metadata->width / 2 - output_size.x / 2), max_int(0, capture_metadata->height / 2 - output_size.y / 2) };
//self->params.egl->glFlush();
//self->params.egl->glFinish();

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@@ -147,14 +147,11 @@ static bool gsr_capture_ximage_upload_to_texture(gsr_capture_ximage *self, int x
return success;
}
static int gsr_capture_ximage_capture(gsr_capture *cap, gsr_capture_metadata *capture_metdata, gsr_color_conversion *color_conversion) {
static int gsr_capture_ximage_capture(gsr_capture *cap, gsr_capture_metadata *capture_metadata, gsr_color_conversion *color_conversion) {
gsr_capture_ximage *self = cap->priv;
const bool is_scaled = self->params.output_resolution.x > 0 && self->params.output_resolution.y > 0;
vec2i output_size = is_scaled ? self->params.output_resolution : self->capture_size;
output_size = scale_keep_aspect_ratio(self->capture_size, output_size);
const vec2i target_pos = { max_int(0, capture_metdata->width / 2 - output_size.x / 2), max_int(0, capture_metdata->height / 2 - output_size.y / 2) };
const vec2i output_size = scale_keep_aspect_ratio(self->capture_size, (vec2i){capture_metadata->width, capture_metadata->height});
const vec2i target_pos = { max_int(0, capture_metadata->width / 2 - output_size.x / 2), max_int(0, capture_metadata->height / 2 - output_size.y / 2) };
gsr_capture_ximage_upload_to_texture(self, self->capture_pos.x + self->params.region_position.x, self->capture_pos.y + self->params.region_position.y, self->capture_size.x, self->capture_size.y);
gsr_color_conversion_draw(color_conversion, self->texture_id,