bool VideoOutputOpenGLVAAPI::CreateVAAPIContext(QSize size)
{
// FIXME During a video stream change this is called from the decoder
// thread - which breaks all other efforts to remove non-UI thread
// access to the OpenGL context. There is no obvious fix however - if we
// don't delete and re-create the VAAPI decoder context immediately then
// the decoder fails and playback exits.
OpenGLLocker ctx_lock(gl_context);
if (m_ctx)
DeleteVAAPIContext();
m_ctx = new VAAPIContext(video_codec_id);
if (m_ctx && m_ctx->CreateDisplay(size) && m_ctx->CreateBuffers())
{
int num_buffers = m_ctx->GetNumBuffers();
const QSize video_dim = window.GetActualVideoDim();
bool ok = true;
for (int i = 0; i < num_buffers; i++)
{
ok &= vbuffers.CreateBuffer(video_dim.width(),
video_dim.height(), i,
m_ctx->GetVideoSurface(i),
FMT_VAAPI);
}
InitPictureAttributes();
return ok;
}
LOG(VB_GENERAL, LOG_ERR, LOC + "Failed to create VAAPI context.");
errorState = kError_Unknown;
return false;
}
bool VideoOutputOpenGLVAAPI::CreateVAAPIContext(QSize size)
{
// FIXME During a video stream change this is called from the decoder
// thread - which breaks all other efforts to remove non-UI thread
// access to the OpenGL context. There is no obvious fix however - if we
// don't delete and re-create the VAAPI decoder context immediately then
// the decoder fails and playback exits.
// lvr 27-oct-13
// in 0.27 if m_ctx->CreateDisplay is called outside of the UI thread then
// it fails, which then causes subsequent unbalanced calls to doneCurrent
// which results in Qt aborting. So just fail if non-UI.
if (!gCoreContext->IsUIThread())
{
LOG(VB_GENERAL, LOG_ERR, LOC +
"CreateVAAPIContext called from non-UI thread");
return false;
}
OpenGLLocker ctx_lock(gl_context);
if (m_ctx)
DeleteVAAPIContext();
m_ctx = new VAAPIContext(kVADisplayGLX, video_codec_id);
if (m_ctx && m_ctx->CreateDisplay(size) && m_ctx->CreateBuffers())
{
int num_buffers = m_ctx->GetNumBuffers();
const QSize video_dim = window.GetActualVideoDim();
bool ok = true;
for (int i = 0; i < num_buffers; i++)
{
ok &= vbuffers.CreateBuffer(video_dim.width(),
video_dim.height(), i,
m_ctx->GetVideoSurface(i),
FMT_VAAPI);
}
InitPictureAttributes();
return ok;
}
LOG(VB_GENERAL, LOG_ERR, LOC + "Failed to create VAAPI context.");
errorState = kError_Unknown;
return false;
}
void VideoOutputOpenGLVAAPI::TearDown(void)
{
DeleteVAAPIContext();
}
