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Add VorbisComment writing to Ogg/FLAC and Ogg/Speex files.

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Patch by James Darnley <james darnley at gmail>

Originally committed as revision 22606 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
James Darnley 2010-03-20 13:39:22 +00:00 committed by Justin Ruggles
parent 66061a1220
commit aeef3ec6f0
2 changed files with 18 additions and 12 deletions
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3
libavformat/Makefile
View File

@ -151,7 +151,8 @@ OBJS-$(CONFIG_OGG_DEMUXER) += oggdec.o \
oggparsevorbis.o \
riff.o \
vorbiscomment.o
OBJS-$(CONFIG_OGG_MUXER) += oggenc.o
OBJS-$(CONFIG_OGG_MUXER) += oggenc.o \
vorbiscomment.o
OBJS-$(CONFIG_OMA_DEMUXER) += oma.o raw.o
OBJS-$(CONFIG_PCM_ALAW_DEMUXER) += raw.o
OBJS-$(CONFIG_PCM_ALAW_MUXER) += raw.o

27
libavformat/oggenc.c
View File

@ -25,6 +25,7 @@
#include "libavcodec/flac.h"
#include "avformat.h"
#include "internal.h"
#include "vorbiscomment.h"
typedef struct {
int64_t duration;
@ -84,29 +85,29 @@ static int ogg_write_page(AVFormatContext *s, const uint8_t *data, int size,
}
static uint8_t *ogg_write_vorbiscomment(int offset, int bitexact,
int *header_len)
int *header_len, AVMetadata *m)
{
const char *vendor = bitexact ? "ffmpeg" : LIBAVFORMAT_IDENT;
int size;
uint8_t *p, *p0;
unsigned int count;
size = offset + 4 + strlen(vendor) + 4;
size = offset + ff_vorbiscomment_length(m, vendor, &count);
p = av_mallocz(size);
if (!p)
return NULL;
p0 = p;
p += offset;
bytestream_put_le32(&p, strlen(vendor));
bytestream_put_buffer(&p, vendor, strlen(vendor));
bytestream_put_le32(&p, 0); // user comment list length
ff_vorbiscomment_write(&p, m, vendor, count);
*header_len = size;
return p0;
}
static int ogg_build_flac_headers(AVCodecContext *avctx,
OGGStreamContext *oggstream, int bitexact)
OGGStreamContext *oggstream, int bitexact,
AVMetadata *m)
{
enum FLACExtradataFormat format;
uint8_t *streaminfo;
@ -132,7 +133,7 @@ static int ogg_build_flac_headers(AVCodecContext *avctx,
bytestream_put_buffer(&p, streaminfo, FLAC_STREAMINFO_SIZE);
// second packet: VorbisComment
p = ogg_write_vorbiscomment(4, bitexact, &oggstream->header_len[1]);
p = ogg_write_vorbiscomment(4, bitexact, &oggstream->header_len[1], m);
if (!p)
return AVERROR_NOMEM;
oggstream->header[1] = p;
@ -145,7 +146,8 @@ static int ogg_build_flac_headers(AVCodecContext *avctx,
#define SPEEX_HEADER_SIZE 80
static int ogg_build_speex_headers(AVCodecContext *avctx,
OGGStreamContext *oggstream, int bitexact)
OGGStreamContext *oggstream, int bitexact,
AVMetadata *m)
{
uint8_t *p;
@ -162,7 +164,7 @@ static int ogg_build_speex_headers(AVCodecContext *avctx,
AV_WL32(&oggstream->header[0][68], 0); // set extra_headers to 0
// second packet: VorbisComment
p = ogg_write_vorbiscomment(0, bitexact, &oggstream->header_len[1]);
p = ogg_write_vorbiscomment(0, bitexact, &oggstream->header_len[1], m);
if (!p)
return AVERROR_NOMEM;
oggstream->header[1] = p;
@ -196,7 +198,8 @@ static int ogg_write_header(AVFormatContext *s)
st->priv_data = oggstream;
if (st->codec->codec_id == CODEC_ID_FLAC) {
int err = ogg_build_flac_headers(st->codec, oggstream,
st->codec->flags & CODEC_FLAG_BITEXACT);
st->codec->flags & CODEC_FLAG_BITEXACT,
s->metadata);
if (err) {
av_log(s, AV_LOG_ERROR, "Error writing FLAC headers\n");
av_freep(&st->priv_data);
@ -204,7 +207,8 @@ static int ogg_write_header(AVFormatContext *s)
}
} else if (st->codec->codec_id == CODEC_ID_SPEEX) {
int err = ogg_build_speex_headers(st->codec, oggstream,
st->codec->flags & CODEC_FLAG_BITEXACT);
st->codec->flags & CODEC_FLAG_BITEXACT,
s->metadata);
if (err) {
av_log(s, AV_LOG_ERROR, "Error writing Speex headers\n");
av_freep(&st->priv_data);
@ -355,4 +359,5 @@ AVOutputFormat ogg_muxer = {
ogg_write_packet,
ogg_write_trailer,
.interleave_packet = ogg_interleave_per_granule,
.metadata_conv = ff_vorbiscomment_metadata_conv,
};