Lines Matching defs:samples
33 * So for each pair of samples that goes in, one sample goes out,
40 int32_t samples[NB_FILTERS],
48 aptx_qmf_filter_signal_push(&signal[i], samples[NB_FILTERS-1-i]);
58 * Split 4 input samples into 4 subbands and downsample by 4.
59 * So for each group of 4 samples that goes in, one sample goes out,
63 int32_t samples[4],
69 /* Split 4 input samples into 2 intermediate subbands downsampled to 2 samples */
73 &samples[2*i],
77 /* Split 2 intermediate subband samples into 4 final subbands downsampled to 1 sample */
140 static void aptx_encode_channel(Channel *channel, int32_t samples[4], int hd)
144 aptx_qmf_tree_analysis(&channel->qmf, samples, subband_samples);
192 int32_t samples[NB_CHANNELS][4],
197 aptx_encode_channel(&ctx->channels[channel], samples[channel], ctx->hd);
226 int32_t samples[NB_CHANNELS][4];
230 samples[channel][sample] = (int32_t)AV_RN32A(&frame->data[channel][4*(ipos+sample)]) >> 8;
232 aptx_encode_samples(s, samples, avpkt->data + pos);