Files
Sunshine/src/platform/macos/nv12_zero_device.cpp
2023-10-04 22:36:16 -05:00

65 lines
1.5 KiB
C++

/**
* @file src/platform/macos/nv12_zero_device.cpp
* @brief todo
*/
#include "src/platform/macos/nv12_zero_device.h"
#include "src/video.h"
extern "C" {
#include "libavutil/imgutils.h"
}
namespace platf {
void
free_frame(AVFrame *frame) {
av_frame_free(&frame);
}
void
free_buffer(void *opaque, uint8_t *data) {
CVPixelBufferRelease((CVPixelBufferRef) data);
}
int
nv12_zero_device::convert(platf::img_t &img) {
av_img_t *av_img = (av_img_t *) &img;
av_buffer_unref(&av_frame->buf[0]);
av_frame->buf[0] = av_buffer_create((uint8_t *) CFRetain(av_img->pixel_buffer->buf), 0, free_buffer, NULL, 0);
av_frame->data[3] = (uint8_t *) av_img->pixel_buffer->buf;
return 0;
}
int
nv12_zero_device::set_frame(AVFrame *frame, AVBufferRef *hw_frames_ctx) {
this->frame = frame;
av_frame.reset(frame);
resolution_fn(this->display, frame->width, frame->height);
return 0;
}
int
nv12_zero_device::init(void *display, pix_fmt_e pix_fmt, resolution_fn_t resolution_fn, pixel_format_fn_t pixel_format_fn) {
pixel_format_fn(display, pix_fmt == pix_fmt_e::nv12 ?
kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange :
kCVPixelFormatType_420YpCbCr10BiPlanarVideoRange);
this->display = display;
this->resolution_fn = resolution_fn;
// we never use this pointer but it's existence is checked/used
// by the platform independent code
data = this;
return 0;
}
} // namespace platf