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wayland_common: for HDR output always prefer PQ transfer #16974

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Merged
kasper93 merged 1 commit into from
Oct 28, 2025
Merged

wayland_common: for HDR output always prefer PQ transfer #16974

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13 changes: 13 additions & 0 deletions video/out/wayland_common.c
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Original file line number Diff line number Diff line change
Expand Up @@ -303,6 +303,9 @@ struct vo_wayland_preferred_description_info {
struct vo_wayland_state *wl;
bool is_parametric;
struct pl_color_space csp;
float min_luma;
float max_luma;
float ref_luma;
void *icc_file;
uint32_t icc_size;
};
Expand Down Expand Up @@ -2154,6 +2157,10 @@ static void info_done(void *data, struct wp_image_description_info_v1 *image_des
wl->preferred_csp = wd->csp;
MP_VERBOSE(wl, "Preferred surface feedback received:\n");
log_color_space(wl->log, &wl->preferred_csp);
if (wd->csp.hdr.max_luma > wd->ref_luma) {
// Always prefer the PQ transfer for HDR output.
wl->preferred_csp.transfer = PL_COLOR_TRC_PQ;
}
} else {
if (wd->icc_file) {
if (wl->icc_size) {
Expand Down Expand Up @@ -2217,6 +2224,12 @@ static void info_tf_named(void *data, struct wp_image_description_info_v1 *image
static void info_luminances(void *data, struct wp_image_description_info_v1 *image_description_info,
uint32_t min_lum, uint32_t max_lum, uint32_t reference_lum)
{
struct vo_wayland_preferred_description_info *wd = data;
if (!wd->is_parametric)
return;
wd->min_luma = min_lum / (float)WAYLAND_MIN_LUM_FACTOR;
wd->max_luma = max_lum;
wd->ref_luma = reference_lum;
}

static void info_target_primaries(void *data, struct wp_image_description_info_v1 *image_description_info,
Expand Down
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