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buffer: add copy flag for meta

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Add a flag to control if the meta should be copied or not instead of always
copying.
This commit is contained in:
Wim Taymans 2011-12-01 15:34:06 +01:00
parent 23bec521bf
commit dc23684b12
2 changed files with 14 additions and 8 deletions
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2
gst/gstbuffer.c
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@ -323,6 +323,7 @@ gst_buffer_copy_into (GstBuffer * dest, GstBuffer * src,
}
}
if (flags & GST_BUFFER_COPY_META) {
for (walk = GST_BUFFER_META (src); walk; walk = walk->next) {
GstMeta *meta = &walk->meta;
const GstMetaInfo *info = meta->info;
@ -331,6 +332,7 @@ gst_buffer_copy_into (GstBuffer * dest, GstBuffer * src,
info->copy_func (dest, meta, src, offset, size);
}
}
}
static GstBuffer *
_gst_buffer_copy (GstBuffer * buffer)

10
gst/gstbuffer.h
View file

@ -393,6 +393,8 @@ gst_buffer_copy (const GstBuffer * buf)
* and appended to already existing memory
* @GST_BUFFER_COPY_MERGE: flag indicating that buffer memory should be
* merged
* @GST_BUFFER_COPY_META: flag indicating that buffer meta should be
* copied
*
* A set of flags that can be provided to the gst_buffer_copy_into()
* function to specify which items should be copied.
@ -401,8 +403,9 @@ typedef enum {
GST_BUFFER_COPY_NONE = 0,
GST_BUFFER_COPY_FLAGS = (1 << 0),
GST_BUFFER_COPY_TIMESTAMPS = (1 << 1),
GST_BUFFER_COPY_MEMORY = (1 << 2),
GST_BUFFER_COPY_MERGE = (1 << 3)
GST_BUFFER_COPY_META = (1 << 2),
GST_BUFFER_COPY_MEMORY = (1 << 3),
GST_BUFFER_COPY_MERGE = (1 << 4)
} GstBufferCopyFlags;
/**
@ -411,7 +414,8 @@ typedef enum {
* Combination of all possible metadata fields that can be copied with
* gst_buffer_copy_into().
*/
#define GST_BUFFER_COPY_METADATA (GST_BUFFER_COPY_FLAGS | GST_BUFFER_COPY_TIMESTAMPS)
#define GST_BUFFER_COPY_METADATA (GST_BUFFER_COPY_FLAGS | GST_BUFFER_COPY_TIMESTAMPS |\
GST_BUFFER_COPY_META)
/**
* GST_BUFFER_COPY_ALL: