From fba973dd3f53cbcb83134bfc857fdc6bdd697e32 Mon Sep 17 00:00:00 2001 From: kpfleming Date: Fri, 8 Sep 2006 21:33:32 +0000 Subject: minor performance improvement git-svn-id: http://svn.digium.com/svn/asterisk/trunk@42477 f38db490-d61c-443f-a65b-d21fe96a405b --- codecs/codec_speex.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) (limited to 'codecs/codec_speex.c') diff --git a/codecs/codec_speex.c b/codecs/codec_speex.c index 06c23e4f0..6978184ae 100644 --- a/codecs/codec_speex.c +++ b/codecs/codec_speex.c @@ -274,11 +274,11 @@ static struct ast_frame *lintospeex_frameout(struct ast_trans_pvt *pvt) #ifdef _SPEEX_TYPES_H /* Preprocess audio */ if (preproc) - is_speech = speex_preprocess(tmp->pp, tmp->buf, NULL); + is_speech = speex_preprocess(tmp->pp, tmp->buf + samples, NULL); /* Encode a frame of data */ if (is_speech) { /* If DTX enabled speex_encode returns 0 during silence */ - is_speech = speex_encode_int(tmp->speex, tmp->buf, &tmp->bits) || !dtx; + is_speech = speex_encode_int(tmp->speex, tmp->buf + samples, &tmp->bits) || !dtx; } else { /* 5 zeros interpreted by Speex as silence (submode 0) */ speex_bits_pack(&tmp->bits, 0, 5); @@ -289,18 +289,19 @@ static struct ast_frame *lintospeex_frameout(struct ast_trans_pvt *pvt) int x; /* Convert to floating point */ for (x = 0; x < tmp->framesize; x++) - fbuf[x] = tmp->buf[x]; + fbuf[x] = tmp->buf[samples + x]; /* Encode a frame of data */ is_speech = speex_encode(tmp->speex, fbuf, &tmp->bits) || !dtx; } #endif samples += tmp->framesize; pvt->samples -= tmp->framesize; - /* Move the data at the end of the buffer to the front */ - if (pvt->samples) - memmove(tmp->buf, tmp->buf + tmp->framesize, 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); + /* Use AST_FRAME_CNG to signify the start of any silence period */ if (is_speech) { tmp->silent_state = 0; -- cgit v1.2.3