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buffer: remove useless method

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Remove the method to retrieve metadata by api. One will always use the
GstMetaInfo to get metadata.
This commit is contained in:
Wim Taymans 2011-02-26 18:14:36 +01:00
parent 23aa5508f3
commit 9a3f158c73
2 changed files with 12 additions and 41 deletions
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48
gst/gstbuffer.c
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@ -772,42 +772,6 @@ gst_buffer_span (GstBuffer * buf1, guint32 offset, GstBuffer * buf2,
return newbuf;
}
/**
* gst_buffer_get_meta_by_api:
* @buffer: a #GstBuffer
* @api: a #GQuark
*
* Retrieve the metadata for @api on @buffer. @api is the #GQuark of the
* metadata structure API.
*
* If there is no metadata for @api on @buffer, this function will return
* %NULL.
*
* Returns: the metadata for @api on @buffer or %NULL when there is no such
* metadata on @buffer.
*/
GstMeta *
gst_buffer_get_meta_by_api (GstBuffer * buffer, GQuark api)
{
GstMetaItem *walk;
GstMeta *result = NULL;
g_return_val_if_fail (buffer != NULL, NULL);
g_return_val_if_fail (api != 0, NULL);
/* loop over the metadata items until we find the one with the
* requested info. FIXME, naive implementation using a list */
for (walk = buffer->priv; walk; walk = walk->next) {
GstMeta *meta = &walk->meta;
if (meta->info->api == api) {
result = meta;
break;
}
}
return result;
}
/**
* gst_buffer_get_meta:
* @buffer: a #GstBuffer
@ -827,13 +791,21 @@ GstMeta *
gst_buffer_get_meta (GstBuffer * buffer, const GstMetaInfo * info,
gboolean create)
{
GstMetaItem *walk;
GstMeta *result = NULL;
GstMetaItem *item;
g_return_val_if_fail (buffer != NULL, NULL);
g_return_val_if_fail (info != 0, NULL);
g_return_val_if_fail (info != NULL, NULL);
result = gst_buffer_get_meta_by_api (buffer, info->api);
/* find GstMeta of the requested API */
for (walk = buffer->priv; walk; walk = walk->next) {
GstMeta *meta = &walk->meta;
if (meta->info->api == info->api) {
result = meta;
break;
}
}
if (result == NULL && create) {
/* create a new slice */

5
gst/gstbuffer.h
View file

@ -470,9 +470,8 @@ GstBuffer* gst_buffer_span (GstBuffer *buf1, guint32 offset
/* metadata */
#include <gst/gstmeta.h>
GstMeta * gst_buffer_get_meta_by_api (GstBuffer *buffer, GQuark api);
GstMeta * gst_buffer_get_meta (GstBuffer *buffer, const GstMetaInfo *info, gboolean create);
GstMeta * gst_buffer_get_meta (GstBuffer *buffer, const GstMetaInfo *info,
gboolean create);
gboolean gst_buffer_remove_meta (GstBuffer *buffer, GstMeta *meta);
GstMeta * gst_buffer_iterate_meta (GstBuffer *buffer, gpointer *state);