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use new metadata API in ape demuxer 

Originally committed as revision 17388 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Aurelien Jacobs 2009-02-17 00:02:13 +00:00
parent 649c171aec
commit 3f9867b150
1 changed files with 11 additions and 39 deletions
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50
libavformat/ape.c
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@ -48,24 +48,6 @@
#define APE_TAG_FLAG_CONTAINS_HEADER (1 << 31) #define APE_TAG_FLAG_CONTAINS_HEADER (1 << 31)
#define APE_TAG_FLAG_IS_HEADER (1 << 29) #define APE_TAG_FLAG_IS_HEADER (1 << 29)
#define TAG(name, field) {name, offsetof(AVFormatContext, field), sizeof(((AVFormatContext *)0)->field)}
static const struct {
const char *name;
int offset;
int size;
} tags[] = {
TAG("Title" , title ),
TAG("Artist" , author ),
TAG("Copyright", copyright),
TAG("Comment" , comment ),
TAG("Album" , album ),
TAG("Year" , year ),
TAG("Track" , track ),
TAG("Genre" , genre ),
{ NULL }
};
typedef struct { typedef struct {
int64_t pos; int64_t pos;
int nblocks; int nblocks;
@ -112,34 +94,24 @@ typedef struct {
static void ape_tag_read_field(AVFormatContext *s) static void ape_tag_read_field(AVFormatContext *s)
{ {
ByteIOContext *pb = s->pb; ByteIOContext *pb = s->pb;
uint8_t buf[1024]; uint8_t key[1024], value[1024];
uint32_t size; uint32_t size;
int i; int i, l;
memset(buf, 0, 1024);
size = get_le32(pb); /* field size */ size = get_le32(pb); /* field size */
url_fskip(pb, 4); /* skip field flags */ url_fskip(pb, 4); /* skip field flags */
for (i=0; pb->buf_ptr[i]!='0' && pb->buf_ptr[i]>=0x20 && pb->buf_ptr[i]<=0x7E; i++); for (i=0; pb->buf_ptr[i]!='0' && pb->buf_ptr[i]>=0x20 && pb->buf_ptr[i]<=0x7E; i++);
get_buffer(pb, buf, FFMIN(i, 1024)); l = FFMIN(i, sizeof(key) -1);
url_fskip(pb, 1); get_buffer(pb, key, l);
key[l] = 0;
for (i=0; tags[i].name; i++) url_fskip(pb, 1 + i-l);
if (!strcmp (buf, tags[i].name)) { l = FFMIN(size, sizeof(value)-1);
if (tags[i].size == sizeof(int)) { get_buffer(pb, value, l);
char tmp[16]; value[l] = 0;
get_buffer(pb, tmp, FFMIN(sizeof(tmp), size)); url_fskip(pb, size-l);
*(int *)(((char *)s)+tags[i].offset) = atoi(tmp); av_metadata_set(&s->metadata, key, value);
} else {
get_buffer(pb, ((char *)s) + tags[i].offset,
FFMIN(tags[i].size, size));
}
break;
}
if (!tags[i].name)
url_fskip(pb, size);
} }
static void ape_parse_tag(AVFormatContext *s) static void ape_parse_tag(AVFormatContext *s)