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minor performance improvement

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@42477 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Kevin P. Fleming
2006-09-08 21:33:32 +00:00
parent 160cea6139
commit c63fe750bb
4 changed files with 22 additions and 18 deletions
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10
codecs/codec_gsm.c
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@@ -183,14 +183,16 @@ static struct ast_frame *lintogsm_frameout(struct ast_trans_pvt *pvt)
return NULL;
while (pvt->samples >= GSM_SAMPLES) {
/* Encode a frame of data */
gsm_encode(tmp->gsm, tmp->buf, (gsm_byte *)pvt->outbuf + datalen);
gsm_encode(tmp->gsm, tmp->buf + samples, (gsm_byte *) pvt->outbuf + datalen);
datalen += GSM_FRAME_LEN;
samples += GSM_SAMPLES;
pvt->samples -= GSM_SAMPLES;
/* Move the data at the end of the buffer to the front */
if (pvt->samples)
memmove(tmp->buf, tmp->buf + GSM_SAMPLES, pvt->samples * 2);
}
/* Move the data at the end of the buffer to the front */
if (pvt->samples)
memmove(tmp->buf, tmp->buf + samples, pvt->samples * 2);
return ast_trans_frameout(pvt, datalen, samples);
}