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Code Issues Releases Activity

correctly set audio codec when demuxing sofdec files

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samples: http://samples.mplayerhq.hu/game-formats/sfd/

Originally committed as revision 10953 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Aurelien Jacobs 2007-11-07 23:56:00 +00:00
parent c16d6c5061
commit 8cd4ac3d63
1 changed files with 11 additions and 1 deletions
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12
libavformat/mpeg.c
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@ -107,15 +107,25 @@ static int mpegps_probe(AVProbeData *p)
typedef struct MpegDemuxContext { typedef struct MpegDemuxContext {
int32_t header_state; int32_t header_state;
unsigned char psm_es_type[256]; unsigned char psm_es_type[256];
int sofdec;
} MpegDemuxContext; } MpegDemuxContext;
static int mpegps_read_header(AVFormatContext *s, static int mpegps_read_header(AVFormatContext *s,
AVFormatParameters *ap) AVFormatParameters *ap)
{ {
MpegDemuxContext *m = s->priv_data; MpegDemuxContext *m = s->priv_data;
uint8_t buffer[8192];
char *p;
m->header_state = 0xff; m->header_state = 0xff;
s->ctx_flags |= AVFMTCTX_NOHEADER; s->ctx_flags |= AVFMTCTX_NOHEADER;
get_buffer(&s->pb, buffer, sizeof(buffer));
if ((p=memchr(buffer, 'S', sizeof(buffer))))
if (!memcmp(p, "Sofdec", 6))
m->sofdec = 1;
url_fseek(&s->pb, -sizeof(buffer), SEEK_CUR);
/* no need to do more */ /* no need to do more */
return 0; return 0;
} }
@ -449,7 +459,7 @@ static int mpegps_read_packet(AVFormatContext *s,
type = CODEC_TYPE_VIDEO; type = CODEC_TYPE_VIDEO;
} else if (startcode >= 0x1c0 && startcode <= 0x1df) { } else if (startcode >= 0x1c0 && startcode <= 0x1df) {
type = CODEC_TYPE_AUDIO; type = CODEC_TYPE_AUDIO;
codec_id = CODEC_ID_MP2; codec_id = m->sofdec ? CODEC_ID_ADPCM_ADX : CODEC_ID_MP2;
} else if (startcode >= 0x80 && startcode <= 0x87) { } else if (startcode >= 0x80 && startcode <= 0x87) {
type = CODEC_TYPE_AUDIO; type = CODEC_TYPE_AUDIO;
codec_id = CODEC_ID_AC3; codec_id = CODEC_ID_AC3;