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videotestsrc: fix decide_allocation

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We want to propose a videopool even if downstream didn't provide one.
This commit is contained in:
Wim Taymans 2012-03-16 20:22:19 +01:00
parent 1e884df1df
commit e13a7c76a7
1 changed files with 31 additions and 16 deletions
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47
gst/videotestsrc/gstvideotestsrc.c
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@ -610,31 +610,46 @@ static gboolean
gst_video_test_src_decide_allocation (GstBaseSrc * bsrc, GstQuery * query)
{
GstVideoTestSrc *videotestsrc;
GstBufferPool *pool;
gboolean update;
guint size, min, max;
GstStructure *config;
videotestsrc = GST_VIDEO_TEST_SRC (bsrc);
if (gst_query_get_n_allocation_pools (query) > 0) {
GstBufferPool *pool;
guint size, min, max;
gst_query_parse_nth_allocation_pool (query, 0, &pool, &size, &min, &max);
/* adjust size */
size = MAX (size, videotestsrc->info.size);
if (pool) {
GstStructure *config;
config = gst_buffer_pool_get_config (pool);
gst_buffer_pool_config_add_option (config,
GST_BUFFER_POOL_OPTION_VIDEO_META);
gst_buffer_pool_set_config (pool, config);
}
gst_query_set_nth_allocation_pool (query, 0, pool, size, min, max);
if (pool)
gst_object_unref (pool);
update = TRUE;
} else {
pool = NULL;
size = videotestsrc->info.size;
min = max = 0;
update = FALSE;
}
/* no downstream pool, make our own */
if (pool == NULL) {
pool = gst_video_buffer_pool_new ();
}
config = gst_buffer_pool_get_config (pool);
if (gst_query_has_allocation_meta (query, GST_VIDEO_META_API_TYPE)) {
gst_buffer_pool_config_add_option (config,
GST_BUFFER_POOL_OPTION_VIDEO_META);
}
gst_buffer_pool_set_config (pool, config);
if (update)
gst_query_set_nth_allocation_pool (query, 0, pool, size, min, max);
else
gst_query_add_allocation_pool (query, pool, size, min, max);
if (pool)
gst_object_unref (pool);
return TRUE;
}