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glupload: implement propose_allocation pool handling for glmemory upload

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Matthew Waters 2015-03-11 16:56:16 +00:00 committed by Tim-Philipp Müller
parent 6b6d26fd8f
commit 1ba38bc10a
1 changed files with 49 additions and 0 deletions
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49
gst-libs/gst/gl/gstglupload.c
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@ -180,14 +180,63 @@ static void
_gl_memory_upload_propose_allocation (gpointer impl, GstQuery * decide_query,
GstQuery * query)
{
struct GLMemoryUpload *upload = impl;
GstAllocationParams params;
GstAllocator *allocator;
GstBufferPool *pool = NULL;
guint n_pools, i;
gst_allocation_params_init (&params);
allocator = gst_allocator_find (GST_GL_MEMORY_ALLOCATOR);
gst_query_add_allocation_param (query, allocator, &params);
gst_object_unref (allocator);
n_pools = gst_query_get_n_allocation_pools (query);
for (i = 0; i < n_pools; i++) {
gst_query_parse_nth_allocation_pool (query, i, &pool, NULL, NULL, NULL);
if (!GST_IS_GL_BUFFER_POOL (pool)) {
gst_object_unref (pool);
pool = NULL;
}
}
if (!pool) {
GstStructure *config;
GstVideoInfo info;
GstCaps *caps;
gsize size;
gst_query_parse_allocation (query, &caps, NULL);
if (!gst_video_info_from_caps (&info, caps))
goto invalid_caps;
pool = gst_gl_buffer_pool_new (upload->upload->context);
config = gst_buffer_pool_get_config (pool);
/* the normal size of a frame */
size = info.size;
gst_buffer_pool_config_set_params (config, caps, size, 0, 0);
if (!gst_buffer_pool_set_config (pool, config))
goto config_failed;
gst_query_add_allocation_pool (query, pool, size, 1, 0);
}
return;
invalid_caps:
{
GST_WARNING_OBJECT (upload->upload, "invalid caps specified");
return;
}
config_failed:
{
GST_WARNING_OBJECT (upload->upload, "failed setting config");
return;
}
}
static GstGLUploadReturn