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authorNicolas George <nicolas.george@normalesup.org>2012-07-29 12:46:48 +0200
committerNicolas George <nicolas.george@normalesup.org>2012-07-31 17:23:31 +0200
commit7a539e67f4fc1cc6fa664e3ddc91aec26be5c61c (patch)
treebbbc9dd26124cfb9c2b321b39fd12eb0f15a3b0f /libavcodec/8svx.c
parent5caea648d40dd7a85304b8ca1257a3a9a729bbb4 (diff)
8svx: unify mono and stereo code paths.
Diffstat (limited to 'libavcodec/8svx.c')
-rw-r--r--libavcodec/8svx.c17
1 files changed, 9 insertions, 8 deletions
diff --git a/libavcodec/8svx.c b/libavcodec/8svx.c
index 967b8c9bbf..e89b252218 100644
--- a/libavcodec/8svx.c
+++ b/libavcodec/8svx.c
@@ -121,8 +121,9 @@ static int eightsvx_decode_frame(AVCodecContext *avctx, void *data,
/* decompress */
if (esc->table) {
const uint8_t *buf = avpkt->data;
+ uint8_t *dst;
int buf_size = avpkt->size;
- int n = esc->samples_size;
+ int i, n = esc->samples_size;
if (buf_size < 2) {
av_log(avctx, AV_LOG_ERROR, "packet size is too small\n");
@@ -130,15 +131,15 @@ static int eightsvx_decode_frame(AVCodecContext *avctx, void *data,
}
if (!(deinterleaved_samples = av_mallocz(n)))
return AVERROR(ENOMEM);
- p = deinterleaved_samples;
+ dst = p = deinterleaved_samples;
/* the uncompressed starting value is contained in the first byte */
- if (avctx->channels == 2) {
- delta_decode(deinterleaved_samples , buf+1, buf_size/2-1, buf[0], esc->table);
- buf += buf_size/2;
- delta_decode(deinterleaved_samples+n/2-1, buf+1, buf_size/2-1, buf[0], esc->table);
- } else
- delta_decode(deinterleaved_samples , buf+1, buf_size-1 , buf[0], esc->table);
+ dst = deinterleaved_samples;
+ for (i = 0; i < avctx->channels; i++) {
+ delta_decode(dst, buf + 1, buf_size / avctx->channels - 1, buf[0], esc->table);
+ buf += buf_size / avctx->channels;
+ dst += n / avctx->channels - 1;
+ }
} else {
deinterleaved_samples = avpkt->data;
}