diff options
Diffstat (limited to 'libavcodec/adpcm.c')
| -rw-r--r-- | libavcodec/adpcm.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/libavcodec/adpcm.c b/libavcodec/adpcm.c index 8ebceb9fd2..085d1a149c 100644 --- a/libavcodec/adpcm.c +++ b/libavcodec/adpcm.c @@ -1314,7 +1314,7 @@ static int adpcm_decode_frame(AVCodecContext *avctx, GetBitContext gb; int table[2][16]; unsigned int samplecnt; - int prev1[2], prev2[2]; + int prev[2][2]; int ch; if (buf_size < 80) { @@ -1333,8 +1333,8 @@ static int adpcm_decode_frame(AVCodecContext *avctx, /* Initialize the previous sample. */ for (ch = 0; ch < 2; ch++) { - prev1[ch] = get_sbits(&gb, 16); - prev2[ch] = get_sbits(&gb, 16); + prev[ch][0] = get_sbits(&gb, 16); + prev[ch][1] = get_sbits(&gb, 16); } if (samplecnt >= (samples_end - samples) / (st + 1)) { @@ -1356,10 +1356,10 @@ static int adpcm_decode_frame(AVCodecContext *avctx, for (n = 0; n < 14; n++) { int sampledat = get_sbits (&gb, 4); - *samples = ((prev1[ch]*factor1 - + prev2[ch]*factor2) >> 11) + (sampledat << exp); - prev2[ch] = prev1[ch]; - prev1[ch] = *samples++; + *samples = ((prev[ch][0]*factor1 + + prev[ch][1]*factor2) >> 11) + (sampledat << exp); + prev[ch][1] = prev[ch][0]; + prev[ch][0] = *samples++; /* In case of stereo, skip one sample, this sample is for the other channel. */ |