modify the way to pass parameters to av_metadata_set()

This improves code readability and this avoid warnings about discarding
qualifiers from pointer target type.

Originally committed as revision 16952 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Aurelien Jacobs 2009-02-02 21:45:55 +00:00
parent 69b6d53beb
commit 5ea7ce8843
4 changed files with 11 additions and 10 deletions

View File

@ -89,10 +89,11 @@ av_metadata_get(AVMetadata *m, const char *key, const AVMetadataTag *prev, int f
/**
* sets the given tag in m, overwriting an existing tag.
* @param tag tag to add to m, key and value will be av_strduped.
* @param key tag key to add to m (will be av_strduped).
* @param value tag value to add to m (will be av_strduped).
* @return >= 0 if success otherwise error code that is <0.
*/
int av_metadata_set(AVMetadata **m, AVMetadataTag tag);
int av_metadata_set(AVMetadata **pm, const char *key, const char *value);
/**
* Free all the memory allocated for an AVMetadata struct.

View File

@ -229,7 +229,7 @@ static int avi_read_tag(AVFormatContext *s, const char *key, unsigned int size)
get_strz(pb, value, sizeof(value));
url_fseek(pb, i+size, SEEK_SET);
return av_metadata_set(&s->metadata, (const AVMetadataTag){key, value});
return av_metadata_set(&s->metadata, key, value);
}
static int avi_read_header(AVFormatContext *s, AVFormatParameters *ap)

View File

@ -44,10 +44,10 @@ av_metadata_get(AVMetadata *m, const char *key, const AVMetadataTag *prev, int f
return NULL;
}
int av_metadata_set(AVMetadata **pm, AVMetadataTag elem)
int av_metadata_set(AVMetadata **pm, const char *key, const char *value)
{
AVMetadata *m= *pm;
AVMetadataTag *tag= av_metadata_get(m, elem.key, NULL, AV_METADATA_MATCH_CASE);
AVMetadataTag *tag= av_metadata_get(m, key, NULL, AV_METADATA_MATCH_CASE);
if(!m)
m=*pm= av_mallocz(sizeof(*m));
@ -63,10 +63,10 @@ int av_metadata_set(AVMetadata **pm, AVMetadataTag elem)
}else
return AVERROR(ENOMEM);
}
if(elem.value){
elem.key = av_strdup(elem.key );
elem.value= av_strdup(elem.value);
m->elems[m->count++]= elem;
if(value){
m->elems[m->count].key = av_strdup(key );
m->elems[m->count].value= av_strdup(value);
m->count++;
}
if(!m->count)
av_freep(pm);

View File

@ -106,7 +106,7 @@ void ff_metadata_demux_compat(AVFormatContext *ctx)
#define FILL_METADATA(s, key, value) { \
if (value && *value && !av_metadata_get(s->metadata, #key, NULL, 0)) \
av_metadata_set(&s->metadata, (const AVMetadataTag){#key, value}); \
av_metadata_set(&s->metadata, #key, value); \
}
#define FILL_METADATA_STR(s, key) FILL_METADATA(s, key, s->key)
#define FILL_METADATA_INT(s, key) { \