diff options
Diffstat (limited to 'libavcodec/g723_1.c')
| -rw-r--r-- | libavcodec/g723_1.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/libavcodec/g723_1.c b/libavcodec/g723_1.c index f91f629311..5be4fe046e 100644 --- a/libavcodec/g723_1.c +++ b/libavcodec/g723_1.c @@ -281,19 +281,21 @@ static int normalize_bits(int num, int width) static int scale_vector(int16_t *vector, int length) { int bits, max = 0; - int64_t scale; int i; for (i = 0; i < length; i++) - max = FFMAX(max, FFABS(vector[i])); + max |= FFABS(vector[i]); max = FFMIN(max, 0x7FFF); bits = normalize_bits(max, 15); - scale = (bits == 15) ? 0x7FFF : (1 << bits); - for (i = 0; i < length; i++) - vector[i] = av_clipl_int32(vector[i] * scale << 1) >> 4; + if (bits == 15) + for (i = 0; i < length; i++) + vector[i] = vector[i] * 0x7fff >> 3; + else + for (i = 0; i < length; i++) + vector[i] = vector[i] << bits >> 3; return bits - 3; } |