Commit 5c656605 authored by Michael Niedermayer's avatar Michael Niedermayer

Avoid reverse addressing, not sure if this is faster or slower but people

maybe are confused by it. The code needs to be optimized anyway.

Originally committed as revision 12854 to svn://svn.ffmpeg.org/ffmpeg/trunk
parent 2f75d26c
......@@ -92,7 +92,7 @@ static const int16_t nelly_delta_table[32] = {
typedef struct NellyMoserDecodeContext {
AVCodecContext* avctx;
DECLARE_ALIGNED_16(float,float_buf[NELLY_SAMPLES]);
float state[64];
float state[128];
AVRandomState random_state;
GetBitContext gb;
int add_bias;
......@@ -121,12 +121,12 @@ static void overlap_and_window(NellyMoserDecodeContext *s, float *state, float *
while (bot < NELLY_BUF_LEN/2) {
audio[bot] = ( a_in[bot]*sine_window[bot]+state[bot]*sine_window[top])/s->scale_bias + s->add_bias;
audio[top] = ( a_in[top]*sine_window[top]+state[bot]*sine_window[bot])/s->scale_bias + s->add_bias;
state[bot] = a_in[bot + NELLY_BUF_LEN];
audio[top] = ( a_in[top]*sine_window[top]+state[top]*sine_window[bot])/s->scale_bias + s->add_bias;
bot++;
top--;
}
memcpy(state, a_in + NELLY_BUF_LEN, sizeof(float)*NELLY_BUF_LEN);
}
static int sum_bits(short *buf, short shift, short off)
......
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