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author | Aurelien Jacobs <aurel@gnuage.org> | 2007-11-01 17:50:05 +0000 |
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committer | Aurelien Jacobs <aurel@gnuage.org> | 2007-11-01 17:50:05 +0000 |
commit | 6177c7efe1748f9d89def83c9e792a7fa23526e7 (patch) | |
tree | 277b55a74feb0521b6d9a770e734af4592f1c853 | |
parent | ad8df79b1d67c247c119a78d31225a7b62cbf188 (diff) | |
download | ffmpeg-6177c7efe1748f9d89def83c9e792a7fa23526e7.tar.gz |
remove useless initialization to 0 of adx context
Originally committed as revision 10899 to svn://svn.ffmpeg.org/ffmpeg/trunk
-rw-r--r-- | libavcodec/adx.c | 18 | ||||
-rw-r--r-- | libavformat/mpeg.c | 12 |
2 files changed, 12 insertions, 18 deletions
diff --git a/libavcodec/adx.c b/libavcodec/adx.c index 2b44b89f98..4b4165a7db 100644 --- a/libavcodec/adx.c +++ b/libavcodec/adx.c @@ -176,7 +176,6 @@ static int adx_encode_header(AVCodecContext *avctx,unsigned char *buf,size_t buf return 0x20+4; } -static int adx_decode_init(AVCodecContext *avctx); static int adx_encode_init(AVCodecContext *avctx) { if (avctx->channels > 2) @@ -189,7 +188,6 @@ static int adx_encode_init(AVCodecContext *avctx) // avctx->bit_rate = avctx->sample_rate*avctx->channels*18*8/32; av_log(avctx, AV_LOG_DEBUG, "adx encode init\n"); - adx_decode_init(avctx); return 0; } @@ -284,20 +282,6 @@ static int adx_decode_header(AVCodecContext *avctx,const unsigned char *buf,size return offset; } -static int adx_decode_init(AVCodecContext * avctx) -{ - ADXContext *c = avctx->priv_data; - -// printf("adx_decode_init\n"); fflush(stdout); - c->prev[0].s1 = 0; - c->prev[0].s2 = 0; - c->prev[1].s1 = 0; - c->prev[1].s2 = 0; - c->header_parsed = 0; - c->in_temp = 0; - return 0; -} - #if 0 static void dump(unsigned char *buf,size_t len) { @@ -391,7 +375,7 @@ AVCodec adpcm_adx_decoder = { CODEC_TYPE_AUDIO, CODEC_ID_ADPCM_ADX, sizeof(ADXContext), - adx_decode_init, + NULL, NULL, NULL, adx_decode_frame, diff --git a/libavformat/mpeg.c b/libavformat/mpeg.c index 0f8270a4fc..b23845f2fc 100644 --- a/libavformat/mpeg.c +++ b/libavformat/mpeg.c @@ -85,15 +85,25 @@ static int mpegps_probe(AVProbeData *p) typedef struct MpegDemuxContext { int32_t header_state; unsigned char psm_es_type[256]; + int sofdec; } MpegDemuxContext; static int mpegps_read_header(AVFormatContext *s, AVFormatParameters *ap) { MpegDemuxContext *m = s->priv_data; + uint8_t buffer[8192]; + char *p; + m->header_state = 0xff; 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 */ return 0; } @@ -427,7 +437,7 @@ static int mpegps_read_packet(AVFormatContext *s, type = CODEC_TYPE_VIDEO; } else if (startcode >= 0x1c0 && startcode <= 0x1df) { 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) { type = CODEC_TYPE_AUDIO; codec_id = CODEC_ID_AC3; |