bool VdaMixer::upload(const VideoFrame &frame, bool /*deint*/) {
Q_ASSERT(frame.format().imgfmt() == IMGFMT_VDA);
CGLError error = kCGLNoError;
for (auto &texture : m_textures) {
const auto cgl = CGLGetCurrentContext();
const auto surface = CVPixelBufferGetIOSurface((CVPixelBufferRef)frame.data(3));
texture.bind();
const auto w = IOSurfaceGetWidthOfPlane(surface, texture.plane());
const auto h = IOSurfaceGetHeightOfPlane(surface, texture.plane());
if (_Change(error, CGLTexImageIOSurface2D(cgl, texture.target(), texture.format(), w, h, texture.transfer().format, texture.transfer().type, surface, texture.plane()))) {
_Error("CGLError: %%(0x%%)", CGLErrorString(error), _N(error, 16));
return false;
}
}
return true;
}
CopyResult copyFrame(const VideoFrame &videoFrame, Field field) override
{
Q_UNUSED(field)
{
QMutexLocker locker(&m_buffersMutex);
const int idx = m_buffers.indexOf(videoFrame.surfaceId);
if (idx < 0)
return CopyNotReady;
m_buffers.removeAt(idx);
while (m_buffers.size() > 5)
CVPixelBufferRelease((CVPixelBufferRef)m_buffers.takeFirst());
}
CVPixelBufferRef pixelBuffer = (CVPixelBufferRef)videoFrame.surfaceId;
CGLContextObj glCtx = CGLGetCurrentContext();
IOSurfaceRef surface = CVPixelBufferGetIOSurface(pixelBuffer);
const OSType pixelFormat = IOSurfaceGetPixelFormat(surface);
if (pixelFormat != kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange)
{
CVPixelBufferRelease(pixelBuffer);
return CopyError;
}
glBindTexture(GL_TEXTURE_RECTANGLE_ARB, m_glTextures[0]);
if (CGLTexImageIOSurface2D(glCtx, GL_TEXTURE_RECTANGLE_ARB, GL_R8, videoFrame.size.getWidth(0), videoFrame.size.getHeight(0), GL_RED, GL_UNSIGNED_BYTE, surface, 0) != kCGLNoError)
{
CVPixelBufferRelease(pixelBuffer);
return CopyError;
}
glBindTexture(GL_TEXTURE_RECTANGLE_ARB, m_glTextures[1]);
if (CGLTexImageIOSurface2D(glCtx, GL_TEXTURE_RECTANGLE_ARB, GL_RG8, videoFrame.size.getWidth(1), videoFrame.size.getHeight(1), GL_RG, GL_UNSIGNED_BYTE, surface, 1) != kCGLNoError)
{
CVPixelBufferRelease(pixelBuffer);
return CopyError;
}
CVPixelBufferRelease(m_pixelBufferToRelease);
m_pixelBufferToRelease = pixelBuffer;
return CopyOk;
}
bool CRendererVTB::UploadTexture(int index)
{
YUVBUFFER &buf = m_buffers[index];
YUVPLANE (&planes)[YuvImage::MAX_PLANES] = m_buffers[index].fields[0];
VTB::CVideoBufferVTB *vb = dynamic_cast<VTB::CVideoBufferVTB*>(buf.videoBuffer);
if (!vb)
{
return false;
}
CVImageBufferRef cvBufferRef = vb->GetPB();
glEnable(m_textureTarget);
// It is the fastest way to render a CVPixelBuffer backed
// with an IOSurface as there is no CPU -> GPU upload.
CGLContextObj cgl_ctx = (CGLContextObj)g_Windowing.GetCGLContextObj();
IOSurfaceRef surface = CVPixelBufferGetIOSurface(cvBufferRef);
OSType format_type = IOSurfaceGetPixelFormat(surface);
if (format_type != kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange)
{
return false;
}
GLsizei surfplanes = IOSurfaceGetPlaneCount(surface);
if (surfplanes != 2)
{
return false;
}
GLsizei widthY = IOSurfaceGetWidthOfPlane(surface, 0);
GLsizei widthUV = IOSurfaceGetWidthOfPlane(surface, 1);
GLsizei heightY = IOSurfaceGetHeightOfPlane(surface, 0);
GLsizei heightUV = IOSurfaceGetHeightOfPlane(surface, 1);
glBindTexture(m_textureTarget, planes[0].id);
CGLTexImageIOSurface2D(cgl_ctx, m_textureTarget, GL_LUMINANCE,
widthY, heightY, GL_LUMINANCE, GL_UNSIGNED_BYTE, surface, 0);
glTexParameteri(m_textureTarget, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(m_textureTarget, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(m_textureTarget, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(m_textureTarget, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glBindTexture(m_textureTarget, planes[1].id);
CGLTexImageIOSurface2D(cgl_ctx, m_textureTarget, GL_LUMINANCE_ALPHA,
widthUV, heightUV, GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE, surface, 1);
glTexParameteri(m_textureTarget, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(m_textureTarget, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(m_textureTarget, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(m_textureTarget, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glBindTexture(m_textureTarget, 0);
glDisable(m_textureTarget);
CalculateTextureSourceRects(index, 3);
return true;
}
static int create(struct gl_hwdec *hw)
{
if (!check_hwdec(hw))
return -1;
struct priv *p = talloc_zero(hw, struct priv);
hw->priv = p;
hw->gl->GenTextures(MP_MAX_PLANES, p->gl_planes);
p->hwctx = (struct mp_hwdec_ctx){
.type = HWDEC_VIDEOTOOLBOX,
.download_image = mp_vt_download_image,
.ctx = &p->hwctx,
};
hwdec_devices_add(hw->devs, &p->hwctx);
return 0;
}
static int reinit(struct gl_hwdec *hw, struct mp_image_params *params)
{
struct priv *p = hw->priv;
assert(params->imgfmt == hw->driver->imgfmt);
if (!params->hw_subfmt) {
MP_ERR(hw, "Unsupported CVPixelBuffer format.\n");
return -1;
}
if (!gl_get_imgfmt_desc(hw->gl, params->hw_subfmt, &p->desc)) {
MP_ERR(hw, "Unsupported texture format.\n");
return -1;
}
params->imgfmt = params->hw_subfmt;
params->hw_subfmt = 0;
return 0;
}
static int map_frame(struct gl_hwdec *hw, struct mp_image *hw_image,
struct gl_hwdec_frame *out_frame)
{
struct priv *p = hw->priv;
GL *gl = hw->gl;
CVPixelBufferRelease(p->pbuf);
p->pbuf = (CVPixelBufferRef)hw_image->planes[3];
CVPixelBufferRetain(p->pbuf);
IOSurfaceRef surface = CVPixelBufferGetIOSurface(p->pbuf);
if (!surface) {
MP_ERR(hw, "CVPixelBuffer has no IOSurface\n");
return -1;
}
const bool planar = CVPixelBufferIsPlanar(p->pbuf);
const int planes = CVPixelBufferGetPlaneCount(p->pbuf);
assert((planar && planes == p->desc.num_planes) || p->desc.num_planes == 1);
GLenum gl_target = GL_TEXTURE_RECTANGLE;
for (int i = 0; i < p->desc.num_planes; i++) {
const struct gl_format *fmt = p->desc.planes[i];
gl->BindTexture(gl_target, p->gl_planes[i]);
CGLError err = CGLTexImageIOSurface2D(
CGLGetCurrentContext(), gl_target,
fmt->internal_format,
IOSurfaceGetWidthOfPlane(surface, i),
IOSurfaceGetHeightOfPlane(surface, i),
fmt->format, fmt->type, surface, i);
if (err != kCGLNoError)
MP_ERR(hw, "error creating IOSurface texture for plane %d: %s (%x)\n",
i, CGLErrorString(err), gl->GetError());
gl->BindTexture(gl_target, 0);
out_frame->planes[i] = (struct gl_hwdec_plane){
.gl_texture = p->gl_planes[i],
.gl_target = gl_target,
.tex_w = IOSurfaceGetWidthOfPlane(surface, i),
.tex_h = IOSurfaceGetHeightOfPlane(surface, i),
};
}
snprintf(out_frame->swizzle, sizeof(out_frame->swizzle), "%s",
p->desc.swizzle);
return 0;
}
static void destroy(struct gl_hwdec *hw)
{
struct priv *p = hw->priv;
GL *gl = hw->gl;
CVPixelBufferRelease(p->pbuf);
gl->DeleteTextures(MP_MAX_PLANES, p->gl_planes);
hwdec_devices_remove(hw->devs, &p->hwctx);
}
const struct gl_hwdec_driver gl_hwdec_videotoolbox = {
.name = "videotoolbox",
.api = HWDEC_VIDEOTOOLBOX,
.imgfmt = IMGFMT_VIDEOTOOLBOX,
.create = create,
.reinit = reinit,
.map_frame = map_frame,
.destroy = destroy,
};
