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aacenc: slightly simplify and remove a redundant variable

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Functionally identical, doesn't change anything.
This commit is contained in:
Rostislav Pehlivanov 2015-10-17 02:13:00 +01:00
parent 564db3e55d
commit 2d9b5ae071
1 changed files with 8 additions and 6 deletions
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14
libavcodec/aacenc.c
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@ -540,6 +540,7 @@ static int aac_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
float **samples = s->planar_samples, *samples2, *la, *overlap;
ChannelElement *cpe;
SingleChannelElement *sce;
IndividualChannelStream *ics;
int i, its, ch, w, chans, tag, start_ch, ret, frame_bits;
int target_bits, rate_bits, too_many_bits, too_few_bits;
int ms_mode = 0, is_mode = 0, tns_mode = 0, pred_mode = 0;
@ -569,10 +570,11 @@ static int aac_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
chans = tag == TYPE_CPE ? 2 : 1;
cpe = &s->cpe[i];
for (ch = 0; ch < chans; ch++) {
IndividualChannelStream *ics = &cpe->ch[ch].ics;
int cur_channel = start_ch + ch;
sce = &cpe->ch[ch];
ics = &sce->ics;
s->cur_channel = start_ch + ch;
float clip_avoidance_factor;
overlap = &samples[cur_channel][0];
overlap = &samples[s->cur_channel][0];
samples2 = overlap + 1024;
la = samples2 + (448+64);
if (!frame)
@ -589,7 +591,7 @@ static int aac_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
*/
ics->num_swb = s->samplerate_index >= 8 ? 1 : 3;
} else {
wi[ch] = s->psy.model->window(&s->psy, samples2, la, cur_channel,
wi[ch] = s->psy.model->window(&s->psy, samples2, la, s->cur_channel,
ics->window_sequence[0]);
}
ics->window_sequence[1] = ics->window_sequence[0];
@ -622,12 +624,12 @@ static int aac_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
ics->clip_avoidance_factor = 1.0f;
}
apply_window_and_mdct(s, &cpe->ch[ch], overlap);
apply_window_and_mdct(s, sce, overlap);
if (isnan(cpe->ch->coeffs[0])) {
av_log(avctx, AV_LOG_ERROR, "Input contains NaN\n");
return AVERROR(EINVAL);
}
avoid_clipping(s, &cpe->ch[ch]);
avoid_clipping(s, sce);
}
start_ch += chans;
}