AC3Block *block = &s->blocks[blk];
const SampleType *input_samples = &s->planar_samples[ch][blk * AC3_BLOCK_SIZE];
-#if AC3ENC_FLOAT
s->fdsp->vector_fmul(s->windowed_samples, input_samples,
- s->mdct_window, AC3_WINDOW_SIZE);
-#else
- s->ac3dsp.apply_window_int16(s->windowed_samples, input_samples,
- s->mdct_window, AC3_WINDOW_SIZE);
+ s->mdct_window, AC3_BLOCK_SIZE);
+ s->fdsp->vector_fmul_reverse(s->windowed_samples + AC3_BLOCK_SIZE,
+ &input_samples[AC3_BLOCK_SIZE],
+ s->mdct_window, AC3_BLOCK_SIZE);
- block->coeff_shift[ch + 1] = normalize_samples(s);
-#endif
-
- s->mdct.mdct_calcw(&s->mdct, block->mdct_coef[ch+1],
- s->windowed_samples);
+ s->mdct.mdct_calc(&s->mdct, block->mdct_coef[ch+1],
+ s->windowed_samples);
}
}
}
apply_mdct(s);
- if (!AC3ENC_FLOAT)
- scale_coefficients(s);
-
- clip_coefficients(&s->adsp, s->blocks[0].mdct_coef[1],
- AC3_MAX_COEFS * s->num_blocks * s->channels);
-
s->cpl_on = s->cpl_enabled;
ff_ac3_compute_coupling_strategy(s);
compute_rematrixing_strategy(s);
- if (AC3ENC_FLOAT)
- scale_coefficients(s);
-
- ff_ac3_apply_rematrixing(s);
-
- ff_ac3_process_exponents(s);
-
- ret = ff_ac3_compute_bit_allocation(s);
- if (ret) {
- av_log(avctx, AV_LOG_ERROR, "Bit allocation failed. Try increasing the bitrate.\n");
- return ret;
- }
-
- ff_ac3_group_exponents(s);
-
- ff_ac3_quantize_mantissas(s);
-
- if ((ret = ff_alloc_packet2(avctx, avpkt, s->frame_size, 0)) < 0)
- return ret;
- ff_ac3_output_frame(s, avpkt->data);
-
- if (frame->pts != AV_NOPTS_VALUE)
- avpkt->pts = frame->pts - ff_samples_to_time_base(avctx, avctx->initial_padding);
+#if AC3ENC_FLOAT
+ scale_coefficients(s);
+#endif
- *got_packet_ptr = 1;
- return 0;
+ return ff_ac3_encode_frame_common_end(avctx, avpkt, frame, got_packet_ptr);
}