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buffer: Don't copy "memory" metas unconditionally
Don't copy memory metas if we only copied part of the buffer, didn't copy memories or merged memories. In all these cases the memory structure has changed and the memory meta becomes meaningless. https://bugzilla.gnome.org/show_bug.cgi?id=751712
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1 changed files with 11 additions and 1 deletions
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@ -534,7 +534,17 @@ gst_buffer_copy_into (GstBuffer * dest, GstBuffer * src,
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GstMeta *meta = &walk->meta;
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GstMeta *meta = &walk->meta;
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const GstMetaInfo *info = meta->info;
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const GstMetaInfo *info = meta->info;
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if (info->transform_func) {
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/* Don't copy memory metas if we only copied part of the buffer, didn't
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* copy memories or merged memories. In all these cases the memory
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* structure has changed and the memory meta becomes meaningless.
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*/
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if ((region || !(flags & GST_BUFFER_COPY_MEMORY)
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|| (flags & GST_BUFFER_COPY_MERGE))
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&& gst_meta_api_type_has_tag (info->api, _gst_meta_tag_memory)) {
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GST_CAT_DEBUG (GST_CAT_BUFFER,
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"don't copy memory meta %p of API type %s", meta,
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g_type_name (info->api));
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} else if (info->transform_func) {
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GstMetaTransformCopy copy_data;
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GstMetaTransformCopy copy_data;
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copy_data.region = region;
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copy_data.region = region;
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