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au: Reorder code so that both muxer and demuxer are under #ifdefs

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This reduces code size when either piece has been disabled.
This commit is contained in:
Diego Biurrun 2012-12-12 16:55:35 +01:00
parent 4d6c96fd69
commit c35f0e8495
1 changed files with 63 additions and 63 deletions
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126
libavformat/au.c
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@ -32,9 +32,6 @@
#include "avio_internal.h"
#include "pcm.h"
/* if we don't know the size in advance */
#define AU_UNKNOWN_SIZE ((uint32_t)(~0))
/* The libavcodec codecs we support, and the IDs they have in the file */
static const AVCodecTag codec_au_tags[] = {
{ AV_CODEC_ID_PCM_MULAW, 1 },
@ -48,63 +45,7 @@ static const AVCodecTag codec_au_tags[] = {
{ AV_CODEC_ID_NONE, 0 },
};
#if CONFIG_AU_MUXER
/* AUDIO_FILE header */
static int put_au_header(AVIOContext *pb, AVCodecContext *enc)
{
if(!enc->codec_tag)
return -1;
ffio_wfourcc(pb, ".snd"); /* magic number */
avio_wb32(pb, 24); /* header size */
avio_wb32(pb, AU_UNKNOWN_SIZE); /* data size */
avio_wb32(pb, (uint32_t)enc->codec_tag); /* codec ID */
avio_wb32(pb, enc->sample_rate);
avio_wb32(pb, (uint32_t)enc->channels);
return 0;
}
static int au_write_header(AVFormatContext *s)
{
AVIOContext *pb = s->pb;
s->priv_data = NULL;
/* format header */
if (put_au_header(pb, s->streams[0]->codec) < 0) {
return -1;
}
avio_flush(pb);
return 0;
}
static int au_write_packet(AVFormatContext *s, AVPacket *pkt)
{
AVIOContext *pb = s->pb;
avio_write(pb, pkt->data, pkt->size);
return 0;
}
static int au_write_trailer(AVFormatContext *s)
{
AVIOContext *pb = s->pb;
int64_t file_size;
if (s->pb->seekable) {
/* update file size */
file_size = avio_tell(pb);
avio_seek(pb, 8, SEEK_SET);
avio_wb32(pb, (uint32_t)(file_size - 24));
avio_seek(pb, file_size, SEEK_SET);
avio_flush(pb);
}
return 0;
}
#endif /* CONFIG_AU_MUXER */
#if CONFIG_AU_DEMUXER
static int au_probe(AVProbeData *p)
{
@ -187,7 +128,6 @@ static int au_read_packet(AVFormatContext *s,
return 0;
}
#if CONFIG_AU_DEMUXER
AVInputFormat ff_au_demuxer = {
.name = "au",
.long_name = NULL_IF_CONFIG_SMALL("Sun AU"),
@ -197,9 +137,69 @@ AVInputFormat ff_au_demuxer = {
.read_seek = ff_pcm_read_seek,
.codec_tag = (const AVCodecTag* const []){ codec_au_tags, 0 },
};
#endif
#endif /* CONFIG_AU_DEMUXER */
#if CONFIG_AU_MUXER
/* if we don't know the size in advance */
#define AU_UNKNOWN_SIZE ((uint32_t)(~0))
/* AUDIO_FILE header */
static int put_au_header(AVIOContext *pb, AVCodecContext *enc)
{
if(!enc->codec_tag)
return -1;
ffio_wfourcc(pb, ".snd"); /* magic number */
avio_wb32(pb, 24); /* header size */
avio_wb32(pb, AU_UNKNOWN_SIZE); /* data size */
avio_wb32(pb, (uint32_t)enc->codec_tag); /* codec ID */
avio_wb32(pb, enc->sample_rate);
avio_wb32(pb, (uint32_t)enc->channels);
return 0;
}
static int au_write_header(AVFormatContext *s)
{
AVIOContext *pb = s->pb;
s->priv_data = NULL;
/* format header */
if (put_au_header(pb, s->streams[0]->codec) < 0) {
return -1;
}
avio_flush(pb);
return 0;
}
static int au_write_packet(AVFormatContext *s, AVPacket *pkt)
{
AVIOContext *pb = s->pb;
avio_write(pb, pkt->data, pkt->size);
return 0;
}
static int au_write_trailer(AVFormatContext *s)
{
AVIOContext *pb = s->pb;
int64_t file_size;
if (s->pb->seekable) {
/* update file size */
file_size = avio_tell(pb);
avio_seek(pb, 8, SEEK_SET);
avio_wb32(pb, (uint32_t)(file_size - 24));
avio_seek(pb, file_size, SEEK_SET);
avio_flush(pb);
}
return 0;
}
AVOutputFormat ff_au_muxer = {
.name = "au",
.long_name = NULL_IF_CONFIG_SMALL("Sun AU"),
@ -212,4 +212,4 @@ AVOutputFormat ff_au_muxer = {
.write_trailer = au_write_trailer,
.codec_tag = (const AVCodecTag* const []){ codec_au_tags, 0 },
};
#endif //CONFIG_AU_MUXER
#endif /* CONFIG_AU_MUXER */