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Pick a 10-bit DRM overlay for Main10 streaming

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This commit is contained in:
Cameron Gutman 2022-01-23 19:19:16 -06:00
parent b85d5b8822
commit b4665b6e5a
1 changed files with 31 additions and 5 deletions
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32
app/streaming/video/ffmpeg-renderers/drm.cpp
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@ -6,6 +6,16 @@ extern "C" {
#include <libdrm/drm_fourcc.h>
// Special Rockchip type
#ifndef DRM_FORMAT_NV12_10
#define DRM_FORMAT_NV12_10 fourcc_code('N', 'A', '1', '2')
#endif
// Special Raspberry Pi type (upstreamed)
#ifndef DRM_FORMAT_P030
#define DRM_FORMAT_P030 fourcc_code('P', '0', '3', '0')
#endif
#include <unistd.h>
#include <fcntl.h>
@ -236,18 +246,34 @@ bool DrmRenderer::initialize(PDECODER_PARAMETERS params)
return DIRECT_RENDERING_INIT_FAILED;
}
// Find an NV12 overlay plane to render on
// Find an overlay plane with the required format to render on
//
// FIXME: We should check the actual DRM format in a real AVFrame rather
// than just assuming it will be a certain hardcoded type like NV12 based
// on the chosen video format.
m_PlaneId = 0;
for (uint32_t i = 0; i < planeRes->count_planes && m_PlaneId == 0; i++) {
drmModePlane* plane = drmModeGetPlane(m_DrmFd, planeRes->planes[i]);
if (plane != nullptr) {
bool matchingFormat = false;
for (uint32_t j = 0; j < plane->count_formats; j++) {
if (plane->formats[j] == DRM_FORMAT_NV12) {
for (uint32_t j = 0; j < plane->count_formats && !matchingFormat; j++) {
if (params->videoFormat == VIDEO_FORMAT_H265_MAIN10) {
switch (plane->formats[j]) {
case DRM_FORMAT_P010:
case DRM_FORMAT_P030:
case DRM_FORMAT_NV12_10:
matchingFormat = true;
break;
}
}
else {
switch (plane->formats[j]) {
case DRM_FORMAT_NV12:
matchingFormat = true;
break;
}
}
}
if (matchingFormat == false) {
drmModeFreePlane(plane);