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gl: upload: gl memory method should not provide pool for system memory caps

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In _gl_memory_upload_propose_allocation(), when output target is "external-oes",
then we should not provide GL allocator and pool in the allocation query.
This is because the "external-oes" kind memory can never be mapped directly
and the upstream element may misuse it.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/5468>
This commit is contained in:
He Junyan 2023-10-12 16:44:01 +08:00 committed by GStreamer Marge Bot
parent ea35adc55f
commit c5f50b1602
1 changed files with 29 additions and 16 deletions
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45
subprojects/gst-plugins-base/gst-libs/gst/gl/gstglupload.c
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@ -445,9 +445,11 @@ _gl_memory_upload_propose_allocation (gpointer impl, GstQuery * decide_query,
GstBufferPool *pool = NULL;
guint n_pools, i;
GstCaps *caps;
GstCapsFeatures *features;
GstCapsFeatures *features_gl, *features_sys;
GstAllocator *allocator;
GstAllocationParams params;
gboolean use_sys_mem = FALSE;
const gchar *target_pool_option_str = NULL;
gst_query_parse_allocation (query, &caps, NULL);
if (caps == NULL)
@ -455,14 +457,34 @@ _gl_memory_upload_propose_allocation (gpointer impl, GstQuery * decide_query,
g_assert (gst_caps_is_fixed (caps));
features = gst_caps_features_new (GST_CAPS_FEATURE_MEMORY_GL_MEMORY,
GST_CAPS_FEATURE_MEMORY_SYSTEM_MEMORY, NULL);
features_gl = gst_caps_features_new (GST_CAPS_FEATURE_MEMORY_GL_MEMORY, NULL);
features_sys =
gst_caps_features_new (GST_CAPS_FEATURE_MEMORY_SYSTEM_MEMORY, NULL);
/* Only offer our custom allocator if that type of memory was negotiated. */
if (!_filter_caps_with_features (caps, features, NULL)) {
gst_caps_features_free (features);
if (_filter_caps_with_features (caps, features_sys, NULL)) {
use_sys_mem = TRUE;
} else if (!_filter_caps_with_features (caps, features_gl, NULL)) {
gst_caps_features_free (features_gl);
gst_caps_features_free (features_sys);
return;
}
gst_caps_features_free (features);
gst_caps_features_free (features_gl);
gst_caps_features_free (features_sys);
if (upload->upload->priv->out_caps) {
GstGLTextureTarget target;
target = _caps_get_texture_target (upload->upload->priv->out_caps,
GST_GL_TEXTURE_TARGET_2D);
/* Do not provide the allocator and pool for system memory caps
because the external oes kind GL memory can not be mapped. */
if (target == GST_GL_TEXTURE_TARGET_EXTERNAL_OES && use_sys_mem)
return;
target_pool_option_str =
gst_gl_texture_target_to_buffer_pool_option (target);
}
gst_allocation_params_init (&params);
@ -510,17 +532,8 @@ _gl_memory_upload_propose_allocation (gpointer impl, GstQuery * decide_query,
gst_buffer_pool_config_set_gl_min_free_queue_size (config, 1);
gst_buffer_pool_config_add_option (config,
GST_BUFFER_POOL_OPTION_GL_SYNC_META);
if (upload->upload->priv->out_caps) {
GstGLTextureTarget target;
const gchar *target_pool_option_str;
target =
_caps_get_texture_target (upload->upload->priv->out_caps,
GST_GL_TEXTURE_TARGET_2D);
target_pool_option_str =
gst_gl_texture_target_to_buffer_pool_option (target);
if (target_pool_option_str)
gst_buffer_pool_config_add_option (config, target_pool_option_str);
}
if (!gst_buffer_pool_set_config (pool, config)) {
gst_object_unref (pool);