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Code Issues 1 Projects Releases Wiki Activity

buffer: Don't copy POOLED and memory metadata unconditionally

Browse source 
https://bugzilla.gnome.org/show_bug.cgi?id=751712
This commit is contained in:
Sebastian Dröge 2015-06-30 13:38:10 +02:00
parent c3bcbadd54
commit 7a08fa5ec4
1 changed files with 19 additions and 1 deletions
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20
gst/gstbuffer.c
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@ -406,6 +406,7 @@ gst_buffer_copy_into (GstBuffer * dest, GstBuffer * src,
GstMetaItem *walk;
gsize bufsize;
gboolean region = FALSE;
gboolean shared_memory;
g_return_val_if_fail (dest != NULL, FALSE);
g_return_val_if_fail (src != NULL, FALSE);
@ -468,6 +469,8 @@ gst_buffer_copy_into (GstBuffer * dest, GstBuffer * src,
left = size;
skip = offset;
shared_memory = TRUE;
/* copy and make regions of the memory */
for (i = 0; i < len && left > 0; i++) {
GstMemory *mem = GST_BUFFER_MEM_PTR (src, i);
@ -496,12 +499,14 @@ gst_buffer_copy_into (GstBuffer * dest, GstBuffer * src,
/* deep copy or we're not allowed to share this memory
* between buffers, always copy then */
newmem = gst_memory_copy (mem, skip, tocopy);
shared_memory = FALSE;
if (newmem) {
gst_memory_lock (newmem, GST_LOCK_FLAG_EXCLUSIVE);
skip = 0;
}
} else if (!newmem) {
newmem = _memory_get_exclusive_reference (mem);
shared_memory = shared_memory && (newmem == mem);
}
if (!newmem) {
@ -513,6 +518,7 @@ gst_buffer_copy_into (GstBuffer * dest, GstBuffer * src,
left -= tocopy;
}
}
if (flags & GST_BUFFER_COPY_MERGE) {
GstMemory *mem;
@ -523,7 +529,10 @@ gst_buffer_copy_into (GstBuffer * dest, GstBuffer * src,
return FALSE;
}
_replace_memory (dest, len, 0, len, mem);
shared_memory = FALSE;
}
} else {
shared_memory = FALSE;
}
if (flags & GST_BUFFER_COPY_META) {
@ -534,7 +543,16 @@ gst_buffer_copy_into (GstBuffer * dest, GstBuffer * src,
GstMeta *meta = &walk->meta;
const GstMetaInfo *info = meta->info;
if (info->transform_func) {
if (GST_META_FLAG_IS_SET (meta, GST_META_FLAG_POOLED)) {
GST_CAT_DEBUG (GST_CAT_BUFFER,
"don't copy POOLED meta %p of API type %s", meta,
g_type_name (info->api));
} else if (!shared_memory
&& gst_meta_api_type_has_tag (info->api, _gst_meta_tag_memory)) {
GST_CAT_DEBUG (GST_CAT_BUFFER,
"don't copy memory meta %p of API type %s", meta,
g_type_name (info->api));
} else if (info->transform_func) {
GstMetaTransformCopy copy_data;
copy_data.region = region;