Replaces inline copies and initialization with OPUS_*() macros.
This is a bit faster at -O2 because memcpy()/memmove()/memset() are
vectorized. The code is also cleaner.
diff --git a/src/opus_encoder.c b/src/opus_encoder.c
index dc73a46..dd4999b 100644
--- a/src/opus_encoder.c
+++ b/src/opus_encoder.c
@@ -1425,8 +1425,7 @@
ec_enc_init(&enc, data, max_data_bytes-1);
ALLOC(pcm_buf, (total_buffer+frame_size)*st->channels, opus_val16);
- for (i=0;i<total_buffer*st->channels;i++)
- pcm_buf[i] = st->delay_buffer[(st->encoder_buffer-total_buffer)*st->channels+i];
+ OPUS_COPY(pcm_buf, &st->delay_buffer[(st->encoder_buffer-total_buffer)*st->channels], total_buffer*st->channels);
if (st->mode == MODE_CELT_ONLY)
hp_freq_smth1 = silk_LSHIFT( silk_lin2log( VARIABLE_HP_MIN_CUTOFF_HZ ), 8 );
@@ -1611,8 +1610,7 @@
prefill_offset = st->channels*(st->encoder_buffer-st->delay_compensation-st->Fs/400);
gain_fade(st->delay_buffer+prefill_offset, st->delay_buffer+prefill_offset,
0, Q15ONE, celt_mode->overlap, st->Fs/400, st->channels, celt_mode->window, st->Fs);
- for(i=0;i<prefill_offset;i++)
- st->delay_buffer[i]=0;
+ OPUS_CLEAR(st->delay_buffer, prefill_offset);
#ifdef FIXED_POINT
pcm_silk = st->delay_buffer;
#else
@@ -1739,15 +1737,18 @@
ALLOC(tmp_prefill, st->channels*st->Fs/400, opus_val16);
if (st->mode != MODE_SILK_ONLY && st->mode != st->prev_mode && st->prev_mode > 0)
{
- for (i=0;i<st->channels*st->Fs/400;i++)
- tmp_prefill[i] = st->delay_buffer[(st->encoder_buffer-total_buffer-st->Fs/400)*st->channels + i];
+ OPUS_COPY(tmp_prefill, &st->delay_buffer[(st->encoder_buffer-total_buffer-st->Fs/400)*st->channels], st->channels*st->Fs/400);
}
- for (i=0;i<st->channels*(st->encoder_buffer-(frame_size+total_buffer));i++)
- st->delay_buffer[i] = st->delay_buffer[i+st->channels*frame_size];
- for (;i<st->encoder_buffer*st->channels;i++)
- st->delay_buffer[i] = pcm_buf[(frame_size+total_buffer-st->encoder_buffer)*st->channels+i];
-
+ if (st->channels*(st->encoder_buffer-(frame_size+total_buffer)) > 0)
+ {
+ OPUS_MOVE(st->delay_buffer, &st->delay_buffer[st->channels*frame_size], st->channels*(st->encoder_buffer-frame_size-total_buffer));
+ OPUS_COPY(&st->delay_buffer[st->channels*(st->encoder_buffer-frame_size-total_buffer)],
+ &pcm_buf[0],
+ (frame_size+total_buffer)*st->channels);
+ } else {
+ OPUS_COPY(st->delay_buffer, &pcm_buf[(frame_size+total_buffer-st->encoder_buffer)*st->channels], st->encoder_buffer*st->channels);
+ }
/* gain_fade() and stereo_fade() need to be after the buffer copying
because we don't want any of this to affect the SILK part */
if( st->prev_HB_gain < Q15ONE || HB_gain < Q15ONE ) {