From c72e05ba0ff0f5b28ad193ba316cb9bfed493df9 Mon Sep 17 00:00:00 2001 From: Kostya Shishkov Date: Wed, 21 Mar 2007 05:56:29 +0000 Subject: Smacker Audio stereo fix Originally committed as revision 8460 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/smacker.c | 22 ++++++++-------------- 1 file changed, 8 insertions(+), 14 deletions(-) (limited to 'libavcodec/smacker.c') diff --git a/libavcodec/smacker.c b/libavcodec/smacker.c index 0bdbc79774..0dd76107b8 100644 --- a/libavcodec/smacker.c +++ b/libavcodec/smacker.c @@ -620,14 +620,10 @@ static int smka_decode_frame(AVCodecContext *avctx, void *data, int *data_size, } } if(bits) { //decode 16-bit data - pred[0] = get_bits(&gb, 8); - pred[0] |= get_bits(&gb, 8); - *samples++ = pred[0]; - if(stereo) { - pred[1] = get_bits(&gb, 8); - pred[1] |= get_bits(&gb, 8); - *samples++ = pred[1]; - } + for(i = stereo; i >= 0; i--) + pred[i] = bswap_16(get_bits(&gb, 16)); + for(i = 0; i < stereo; i++) + *samples++ = pred[i]; for(i = 0; i < unp_size / 2; i++) { if(i & stereo) { if(vlc[2].table) @@ -658,12 +654,10 @@ static int smka_decode_frame(AVCodecContext *avctx, void *data, int *data_size, } } } else { //8-bit data - pred[0] = get_bits(&gb, 8); - *samples++ = (pred[0] - 0x80) << 8; - if(stereo) { - pred[1] = get_bits(&gb, 8); - *samples++ = (pred[1] - 0x80) << 8; - } + for(i = stereo; i >= 0; i--) + pred[i] = get_bits(&gb, 8); + for(i = 0; i < stereo; i++) + *samples++ = (pred[i] - 0x80) << 8; for(i = 0; i < unp_size; i++) { if(i & stereo){ if(vlc[1].table) -- cgit v1.2.3