Lines Matching defs:samples
338 static BitAlloc dca_bitalloc_index; ///< indexes for samples VLC select
341 static BitAlloc dca_smpl_bitalloc[11]; ///< samples VLCs
397 int partial_samples[DCA_SUBFRAMES_MAX]; ///< partial subsubframe samples count
420 /* Subband samples history (for ADPCM) */
783 av_log(s->avctx, AV_LOG_DEBUG, "samples deficit: %i\n", s->samples_deficit);
785 av_log(s->avctx, AV_LOG_DEBUG, "sample blocks: %i (%i samples)\n",
992 /* 1 vector -> 32 samples */
998 /* LFE samples */
1026 av_log(s->avctx, AV_LOG_DEBUG, "partial samples: %i\n",
1082 av_log(s->avctx, AV_LOG_DEBUG, "LFE samples:\n");
1119 /* samples_in: An array holding decimated samples.
1121 * while samples_in[-1], samples_in[-2], ..., stores samples
1124 * samples_out: An array holding interpolated samples
1148 #define MIX_REAR1(samples, s1, rs, coef) \
1149 samples[0][i] += samples[s1][i] * coef[rs][0]; \
1150 samples[1][i] += samples[s1][i] * coef[rs][1];
1152 #define MIX_REAR2(samples, s1, s2, rs, coef) \
1153 samples[0][i] += samples[s1][i] * coef[rs][0] + samples[s2][i] * coef[rs + 1][0]; \
1154 samples[1][i] += samples[s1][i] * coef[rs][1] + samples[s2][i] * coef[rs + 1][1];
1156 #define MIX_FRONT3(samples, coef) \
1157 t = samples[c][i]; \
1158 u = samples[l][i]; \
1159 v = samples[r][i]; \
1160 samples[0][i] = t * coef[0][0] + u * coef[1][0] + v * coef[2][0]; \
1161 samples[1][i] = t * coef[0][1] + u * coef[1][1] + v * coef[2][1];
1169 static void dca_downmix(float **samples, int srcfmt, int lfe_present,
1191 DOWNMIX_TO_STEREO(MIX_FRONT3(samples, coef), );
1195 DOWNMIX_TO_STEREO(MIX_REAR1(samples, s, 2, coef), );
1202 DOWNMIX_TO_STEREO(MIX_FRONT3(samples, coef),
1203 MIX_REAR1(samples, s, 3, coef));
1208 DOWNMIX_TO_STEREO(MIX_REAR2(samples, sl, sr, 2, coef), );
1216 DOWNMIX_TO_STEREO(MIX_FRONT3(samples, coef),
1217 MIX_REAR2(samples, sl, sr, 3, coef));
1224 samples[0][i] += samples[lf_buf][i] * coef[lf_idx][0];
1225 samples[1][i] += samples[lf_buf][i] * coef[lf_idx][1];
1430 /* Generate LFE samples for this subsubframe FIXME!!! */
1435 /* Outputs 20bits pcm samples */