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gldownload: Wait on sync meta if any

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This is possibly not strictly needed when pixels are being downloaded to
CPU memory, but would cause issue when exporting DMABuf, as the data may
not be yet ready when the DMABuf reaches the consumer.
This commit is contained in:
Nicolas Dufresne 2019-08-03 13:14:53 -04:00
parent 494ee67446
commit 747ae7d769
1 changed files with 8 additions and 0 deletions
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8
ext/gl/gstgldownloadelement.c
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@ -414,7 +414,15 @@ gst_gl_download_element_prepare_output_buffer (GstBaseTransform * bt,
#if GST_GL_HAVE_PLATFORM_EGL && GST_GL_HAVE_DMABUF
else if (dl->dmabuf_allocator) {
GstBuffer *buffer = _try_export_dmabuf (dl, inbuf);
if (buffer) {
GstGLContext *context = GST_GL_BASE_FILTER (bt)->context;
GstGLSyncMeta *in_sync_meta;
in_sync_meta = gst_buffer_get_gl_sync_meta (inbuf);
if (in_sync_meta)
gst_gl_sync_meta_wait (in_sync_meta, context);
if (GST_BASE_TRANSFORM_GET_CLASS (bt)->copy_metadata)
if (!GST_BASE_TRANSFORM_GET_CLASS (bt)->copy_metadata (bt, inbuf,
buffer)) {