[FFmpeg-cvslog] r12986 - trunk/libavcodec/mpegaudiodec.c
bcoudurier
subversion
Sat Apr 26 15:08:16 CEST 2008
Author: bcoudurier
Date: Sat Apr 26 15:08:16 2008
New Revision: 12986
Log:
simplify
Modified:
trunk/libavcodec/mpegaudiodec.c
Modified: trunk/libavcodec/mpegaudiodec.c
==============================================================================
--- trunk/libavcodec/mpegaudiodec.c (original)
+++ trunk/libavcodec/mpegaudiodec.c Sat Apr 26 15:08:16 2008
@@ -2563,7 +2563,6 @@ static int decode_frame_mp3on4(AVCodecCo
OUT_INT decoded_buf[MPA_FRAME_SIZE * MPA_MAX_CHANNELS];
OUT_INT *outptr, *bp;
int fsize;
- const unsigned char *start2 = buf, *start;
int fr, i, j, n;
int off = avctx->channels;
const uint8_t *coff = chan_offset[s->chan_cfg];
@@ -2579,16 +2578,13 @@ static int decode_frame_mp3on4(AVCodecCo
outptr = s->frames == 1 ? out_samples : decoded_buf;
for (fr = 0; fr < s->frames; fr++) {
- start = start2;
- fsize = AV_RB16(start) >> 4;
+ fsize = AV_RB16(buf) >> 4;
fsize = FFMIN3(fsize, len, MPA_MAX_CODED_FRAME_SIZE);
- start2 += fsize;
- len -= fsize;
m = s->mp3decctx[fr];
assert (m != NULL);
// Get header
- header = AV_RB32(start) | 0xfff00000;
+ header = AV_RB32(buf) | 0xfff00000;
if (ff_mpa_check_header(header) < 0) { // Bad header, discard block
*data_size = 0;
@@ -2596,7 +2592,9 @@ static int decode_frame_mp3on4(AVCodecCo
}
ff_mpegaudio_decode_header(m, header);
- out_size += mp_decode_frame(m, decoded_buf, start, fsize);
+ out_size += mp_decode_frame(m, decoded_buf, buf, fsize);
+ buf += fsize;
+ len -= fsize;
if(s->frames > 1) {
n = m->avctx->frame_size*m->nb_channels;
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