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Code Issues Releases Activity

Replace pitch_delay_int with array

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Vladimir Voroshilov 2009-06-26 09:26:56 +07:00 committed by Michael Niedermayer
parent bfbfe56f94
commit 16bbb8dfea
1 changed files with 6 additions and 6 deletions
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12
libavcodec/g729dec.c
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@ -380,7 +380,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size,
uint8_t quantizer_2nd_lo; ///< second stage lower vector of quantizer (size in bits) uint8_t quantizer_2nd_lo; ///< second stage lower vector of quantizer (size in bits)
uint8_t quantizer_2nd_hi; ///< second stage higher vector of quantizer (size in bits) uint8_t quantizer_2nd_hi; ///< second stage higher vector of quantizer (size in bits)
int pitch_delay_int; // pitch delay, integer part int pitch_delay_int[2]; // pitch delay, integer part
int pitch_delay_3x; // pitch delay, multiplied by 3 int pitch_delay_3x; // pitch delay, multiplied by 3
int16_t fc[SUBFRAME_SIZE]; // fixed-codebook vector int16_t fc[SUBFRAME_SIZE]; // fixed-codebook vector
int16_t synth[SUBFRAME_SIZE+10]; // fixed-codebook vector int16_t synth[SUBFRAME_SIZE+10]; // fixed-codebook vector
@ -475,7 +475,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size,
} }
/* Round pitch delay to nearest (used everywhere except ff_acelp_interpolate). */ /* Round pitch delay to nearest (used everywhere except ff_acelp_interpolate). */
pitch_delay_int = (pitch_delay_3x + 1) / 3; pitch_delay_int[i] = (pitch_delay_3x + 1) / 3;
if (frame_erasure) { if (frame_erasure) {
ctx->rand_value = g729_prng(ctx->rand_value); ctx->rand_value = g729_prng(ctx->rand_value);
@ -508,12 +508,12 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size,
fc_v[i] = < fc_v[i] = <
\ fc_v[i] + gain_pitch * fc_v[i-pitch_delay], i >= pitch_delay \ fc_v[i] + gain_pitch * fc_v[i-pitch_delay], i >= pitch_delay
*/ */
ff_acelp_weighted_vector_sum(fc + pitch_delay_int, ff_acelp_weighted_vector_sum(fc + pitch_delay_int[i],
fc + pitch_delay_int, fc + pitch_delay_int[i],
fc, 1 << 14, fc, 1 << 14,
av_clip(ctx->past_gain_pitch[0], SHARP_MIN, SHARP_MAX), av_clip(ctx->past_gain_pitch[0], SHARP_MIN, SHARP_MAX),
0, 14, 0, 14,
SUBFRAME_SIZE - pitch_delay_int); SUBFRAME_SIZE - pitch_delay_int[i]);
memmove(ctx->past_gain_pitch+1, ctx->past_gain_pitch, 5 * sizeof(int16_t)); memmove(ctx->past_gain_pitch+1, ctx->past_gain_pitch, 5 * sizeof(int16_t));
ctx->past_gain_code[1] = ctx->past_gain_code[0]; ctx->past_gain_code[1] = ctx->past_gain_code[0];
@ -628,7 +628,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size,
if (frame_erasure) if (frame_erasure)
ctx->pitch_delay_int_prev = FFMIN(ctx->pitch_delay_int_prev + 1, PITCH_DELAY_MAX); ctx->pitch_delay_int_prev = FFMIN(ctx->pitch_delay_int_prev + 1, PITCH_DELAY_MAX);
else else
ctx->pitch_delay_int_prev = pitch_delay_int; ctx->pitch_delay_int_prev = pitch_delay_int[i];
memcpy(synth+8, ctx->hpf_z, 2*sizeof(int16_t)); memcpy(synth+8, ctx->hpf_z, 2*sizeof(int16_t));
ff_acelp_high_pass_filter( ff_acelp_high_pass_filter(