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Set HDR metadata using legacy DRM API

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This commit is contained in:
Cameron Gutman 2023-03-12 14:32:32 -05:00
parent a585072ff8
commit 0d0728f3c4
1 changed files with 51 additions and 48 deletions
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99
src/video/rk.c
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@ -112,6 +112,8 @@ drmModeRes *resources = NULL;
drmModePlaneRes *plane_resources = NULL;
drmModeCrtcPtr crtc = {0};
drmModePropertyPtr hdr_metadata_prop = NULL;
drmModeAtomicReqPtr drm_request = NULL;
drmModePropertyPtr plane_props[32];
drmModePropertyPtr conn_props[32];
@ -159,6 +161,8 @@ void *display_thread(void *param) {
_fb_id = fb_id;
fb_id = 0;
ret = pthread_mutex_unlock(&mutex);
assert(!ret);
uint32_t v4l2_colorspace;
switch (last_colorspace) {
@ -178,21 +182,9 @@ void *display_thread(void *param) {
set_atomic_property(drm_request, plane_id, plane_props, "COLOR_SPACE", v4l2_colorspace);
set_atomic_property(drm_request, plane_id, plane_props, "EOTF", last_hdr_state ? 2 : 0); // PQ or SDR
set_atomic_property(drm_request, plane_id, plane_props, "FB_ID", _fb_id);
set_atomic_property(drm_request, conn_id, conn_props, "HDR_OUTPUT_METADATA", hdr_metadata_blob_id);
ret = pthread_mutex_unlock(&mutex);
assert(!ret);
// Commit the updates to the display hardware
//
// Note: DRM_MODE_ATOMIC_ALLOW_MODESET is used because a modeset may be required to switch
// between HDR and SDR mode.
ret = drmModeAtomicCommit(fd, drm_request, DRM_MODE_ATOMIC_NONBLOCK | DRM_MODE_ATOMIC_ALLOW_MODESET, NULL);
if (ret && errno != EBUSY) {
// We can sometimes hit this path for EINVAL when going from HDR->SDR but it
// seems transient, so don't assert if it occurs.
fprintf(stderr, "Commit failed: %d\n", errno);
}
ret = drmModeAtomicCommit(fd, drm_request, DRM_MODE_ATOMIC_NONBLOCK, NULL);
assert(!ret || errno == EBUSY);
}
return NULL;
@ -398,6 +390,9 @@ int rk_setup(int videoFormat, int width, int height, int redrawRate, void* conte
if (!prop) {
continue;
}
if (!strcmp(prop->name, "HDR_OUTPUT_METADATA")) {
hdr_metadata_prop = prop;
}
conn_props[j] = prop;
}
drmModeFreeObjectProperties(props);
@ -620,51 +615,59 @@ int rk_submit_decode_unit(PDECODE_UNIT decodeUnit) {
mpp_packet_set_pos(mpi_packet, pkt_buf);
mpp_packet_set_length(mpi_packet, length);
pthread_mutex_lock(&mutex);
if (last_hdr_state != decodeUnit->hdrActive) {
if (hdr_metadata_blob_id) {
drmModeDestroyPropertyBlob(fd, hdr_metadata_blob_id);
hdr_metadata_blob_id = 0;
}
if (decodeUnit->hdrActive) {
struct rk_hdr_output_metadata outputMetadata;
SS_HDR_METADATA sunshineHdrMetadata;
if (hdr_metadata_prop != NULL) {
int err;
// Sunshine will have HDR metadata but GFE will not
if (!LiGetHdrMetadata(&sunshineHdrMetadata)) {
memset(&sunshineHdrMetadata, 0, sizeof(sunshineHdrMetadata));
}
outputMetadata.metadata_type = 0; // HDMI_STATIC_METADATA_TYPE1
outputMetadata.hdmi_metadata_type1.eotf = 2; // SMPTE ST 2084
outputMetadata.hdmi_metadata_type1.metadata_type = 0; // Static Metadata Type 1
for (int i = 0; i < 3; i++) {
outputMetadata.hdmi_metadata_type1.display_primaries[i].x = sunshineHdrMetadata.displayPrimaries[i].x;
outputMetadata.hdmi_metadata_type1.display_primaries[i].y = sunshineHdrMetadata.displayPrimaries[i].y;
}
outputMetadata.hdmi_metadata_type1.white_point.x = sunshineHdrMetadata.whitePoint.x;
outputMetadata.hdmi_metadata_type1.white_point.y = sunshineHdrMetadata.whitePoint.y;
outputMetadata.hdmi_metadata_type1.max_display_mastering_luminance = sunshineHdrMetadata.maxDisplayLuminance;
outputMetadata.hdmi_metadata_type1.min_display_mastering_luminance = sunshineHdrMetadata.minDisplayLuminance;
outputMetadata.hdmi_metadata_type1.max_cll = sunshineHdrMetadata.maxContentLightLevel;
outputMetadata.hdmi_metadata_type1.max_fall = sunshineHdrMetadata.maxFrameAverageLightLevel;
err = drmModeCreatePropertyBlob(fd, &outputMetadata, sizeof(outputMetadata), &hdr_metadata_blob_id);
if (err < 0) {
if (hdr_metadata_blob_id) {
drmModeDestroyPropertyBlob(fd, hdr_metadata_blob_id);
hdr_metadata_blob_id = 0;
fprintf(stderr, "Failed to create HDR metadata blob: %d\n", errno);
}
if (decodeUnit->hdrActive) {
struct rk_hdr_output_metadata outputMetadata;
SS_HDR_METADATA sunshineHdrMetadata;
// Sunshine will have HDR metadata but GFE will not
if (!LiGetHdrMetadata(&sunshineHdrMetadata)) {
memset(&sunshineHdrMetadata, 0, sizeof(sunshineHdrMetadata));
}
outputMetadata.metadata_type = 0; // HDMI_STATIC_METADATA_TYPE1
outputMetadata.hdmi_metadata_type1.eotf = 2; // SMPTE ST 2084
outputMetadata.hdmi_metadata_type1.metadata_type = 0; // Static Metadata Type 1
for (int i = 0; i < 3; i++) {
outputMetadata.hdmi_metadata_type1.display_primaries[i].x = sunshineHdrMetadata.displayPrimaries[i].x;
outputMetadata.hdmi_metadata_type1.display_primaries[i].y = sunshineHdrMetadata.displayPrimaries[i].y;
}
outputMetadata.hdmi_metadata_type1.white_point.x = sunshineHdrMetadata.whitePoint.x;
outputMetadata.hdmi_metadata_type1.white_point.y = sunshineHdrMetadata.whitePoint.y;
outputMetadata.hdmi_metadata_type1.max_display_mastering_luminance = sunshineHdrMetadata.maxDisplayLuminance;
outputMetadata.hdmi_metadata_type1.min_display_mastering_luminance = sunshineHdrMetadata.minDisplayLuminance;
outputMetadata.hdmi_metadata_type1.max_cll = sunshineHdrMetadata.maxContentLightLevel;
outputMetadata.hdmi_metadata_type1.max_fall = sunshineHdrMetadata.maxFrameAverageLightLevel;
err = drmModeCreatePropertyBlob(fd, &outputMetadata, sizeof(outputMetadata), &hdr_metadata_blob_id);
if (err < 0) {
hdr_metadata_blob_id = 0;
fprintf(stderr, "Failed to create HDR metadata blob: %d\n", errno);
}
}
err = drmModeObjectSetProperty(fd, conn_id, DRM_MODE_OBJECT_CONNECTOR, hdr_metadata_prop->prop_id, hdr_metadata_blob_id);
if (err < 0) {
fprintf(stderr, "Failed to set HDR metadata: %d\n", errno);
} else {
printf("Set display HDR mode: %s\n", decodeUnit->hdrActive ? "active" : "inactive");
}
} else {
fprintf(stderr, "HDR_OUTPUT_METADATA property is not supported by your display/kernel. Do you have an HDR display connected?\n");
}
}
last_colorspace = decodeUnit->colorspace;
last_hdr_state = decodeUnit->hdrActive;
pthread_mutex_unlock(&mutex);
while (MPP_OK != mpi_api->decode_put_packet(mpi_ctx, mpi_packet));
return result;