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vqf: recognize more metadata chunks

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Do not create tags for non-char chunks.
Create readable tag for DSIZ chunk.

Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
This commit is contained in:
Paul B Mahol 2012-01-07 17:31:31 +00:00 committed by Ronald S. Bultje
parent 2907f88aee
commit 49a2aebc00
1 changed files with 45 additions and 35 deletions
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80
libavformat/vqf.c
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@ -24,6 +24,7 @@
#include "libavutil/intreadwrite.h"
#include "libavutil/dict.h"
#include "libavutil/mathematics.h"
#include "riff.h"
typedef struct VqfContext {
int frame_bit_len;
@ -45,11 +46,11 @@ static int vqf_probe(AVProbeData *probe_packet)
return AVPROBE_SCORE_MAX/2;
}
static void add_metadata(AVFormatContext *s, const char *tag,
static void add_metadata(AVFormatContext *s, uint32_t tag,
unsigned int tag_len, unsigned int remaining)
{
int len = FFMIN(tag_len, remaining);
char *buf;
char *buf, key[5] = {0};
if (len == UINT_MAX)
return;
@ -59,9 +60,32 @@ static void add_metadata(AVFormatContext *s, const char *tag,
return;
avio_read(s->pb, buf, len);
buf[len] = 0;
av_dict_set(&s->metadata, tag, buf, AV_DICT_DONT_STRDUP_VAL);
AV_WL32(key, tag);
av_dict_set(&s->metadata, key, buf, AV_DICT_DONT_STRDUP_VAL);
}
static const AVMetadataConv vqf_metadata_conv[] = {
{ "(c) ", "copyright" },
{ "ARNG", "arranger" },
{ "AUTH", "author" },
{ "BAND", "band" },
{ "CDCT", "conductor" },
{ "COMT", "comment" },
{ "FILE", "filename" },
{ "GENR", "genre" },
{ "LABL", "publisher" },
{ "MUSC", "composer" },
{ "NAME", "title" },
{ "NOTE", "note" },
{ "PROD", "producer" },
{ "PRSN", "personnel" },
{ "REMX", "remixer" },
{ "SING", "singer" },
{ "TRCK", "track" },
{ "WORD", "words" },
{ 0 },
};
static int vqf_read_header(AVFormatContext *s, AVFormatParameters *ap)
{
VqfContext *c = s->priv_data;
@ -110,41 +134,25 @@ static int vqf_read_header(AVFormatContext *s, AVFormatParameters *ap)
st->codec->bit_rate = read_bitrate*1000;
break;
case MKTAG('N','A','M','E'):
add_metadata(s, "title" , len, header_size);
case MKTAG('D','S','I','Z'): // size of compressed data
{
char buf[8] = {0};
int size = avio_rb32(s->pb);
snprintf(buf, sizeof(buf), "%d", size);
av_dict_set(&s->metadata, "size", buf, 0);
}
break;
case MKTAG('(','c',')',' '):
add_metadata(s, "copyright", len, header_size);
break;
case MKTAG('A','U','T','H'):
add_metadata(s, "author" , len, header_size);
break;
case MKTAG('A','L','B','M'):
add_metadata(s, "album" , len, header_size);
break;
case MKTAG('T','R','C','K'):
add_metadata(s, "track" , len, header_size);
break;
case MKTAG('C','O','M','T'):
add_metadata(s, "comment" , len, header_size);
break;
case MKTAG('F','I','L','E'):
add_metadata(s, "filename" , len, header_size);
break;
case MKTAG('D','S','I','Z'):
add_metadata(s, "size" , len, header_size);
break;
case MKTAG('D','A','T','E'):
add_metadata(s, "date" , len, header_size);
break;
case MKTAG('G','E','N','R'):
add_metadata(s, "genre" , len, header_size);
case MKTAG('Y','E','A','R'): // recording date
case MKTAG('E','N','C','D'): // compression date
case MKTAG('E','X','T','R'): // reserved
case MKTAG('_','Y','M','H'): // reserved
case MKTAG('_','N','T','T'): // reserved
case MKTAG('_','I','D','3'): // reserved for ID3 tags
avio_skip(s->pb, FFMIN(len, header_size));
break;
default:
av_log(s, AV_LOG_ERROR, "Unknown chunk: %c%c%c%c\n",
((char*)&chunk_tag)[0], ((char*)&chunk_tag)[1],
((char*)&chunk_tag)[2], ((char*)&chunk_tag)[3]);
avio_skip(s->pb, FFMIN(len, header_size));
add_metadata(s, chunk_tag, len, header_size);
break;
}
@ -201,6 +209,8 @@ static int vqf_read_header(AVFormatContext *s, AVFormatParameters *ap)
st->codec->extradata_size = 12;
memcpy(st->codec->extradata, comm_chunk, 12);
ff_metadata_conv_ctx(s, NULL, vqf_metadata_conv);
return 0;
}