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authorJean-Marc Valin <jmvalin@jmvalin.ca>2011-09-09 13:56:09 -0400
committerJean-Marc Valin <jmvalin@jmvalin.ca>2011-09-09 13:56:09 -0400
commit131d88823464174128d733a9f3e3d7e7bf6bc814 (patch)
tree3706fcb48ba0418728f3cb99778548f9bb102010 /src/repacketizer.c
parent0ca076d5272a19da36021bad4739047866eca180 (diff)
downloadopus-131d88823464174128d733a9f3e3d7e7bf6bc814.tar.gz
Makes multi-stream encoding code use the repacketizer
Diffstat (limited to 'src/repacketizer.c')
-rw-r--r--src/repacketizer.c26
1 files changed, 19 insertions, 7 deletions
diff --git a/src/repacketizer.c b/src/repacketizer.c
index f72925dd..7ee0e497 100644
--- a/src/repacketizer.c
+++ b/src/repacketizer.c
@@ -97,7 +97,7 @@ int opus_repacketizer_get_nb_frames(OpusRepacketizer *rp)
return rp->nb_frames;
}
-int opus_repacketizer_out_range(OpusRepacketizer *rp, int begin, int end, unsigned char *data, int maxlen)
+int opus_repacketizer_out_range_impl(OpusRepacketizer *rp, int begin, int end, unsigned char *data, int maxlen, int self_delimited)
{
int i, count, tot_size;
short *len;
@@ -112,12 +112,17 @@ int opus_repacketizer_out_range(OpusRepacketizer *rp, int begin, int end, unsign
len = rp->len+begin;
frames = rp->frames+begin;
+ if (self_delimited)
+ tot_size = 1 + len[count-1]>=252;
+ else
+ tot_size = 0;
+
switch (count)
{
case 1:
{
/* Code 0 */
- tot_size = len[0]+1;
+ tot_size += len[0]+1;
if (tot_size > maxlen)
return OPUS_BUFFER_TOO_SMALL;
*data++ = rp->toc&0xFC;
@@ -128,13 +133,13 @@ int opus_repacketizer_out_range(OpusRepacketizer *rp, int begin, int end, unsign
if (len[1] == len[0])
{
/* Code 1 */
- tot_size = 2*len[0]+1;
+ tot_size += 2*len[0]+1;
if (tot_size > maxlen)
return OPUS_BUFFER_TOO_SMALL;
*data++ = (rp->toc&0xFC) | 0x1;
} else {
/* Code 2 */
- tot_size = len[0]+len[1]+2+(len[0]>=252);
+ tot_size += len[0]+len[1]+2+(len[0]>=252);
if (tot_size > maxlen)
return OPUS_BUFFER_TOO_SMALL;
*data++ = (rp->toc&0xFC) | 0x2;
@@ -158,7 +163,7 @@ int opus_repacketizer_out_range(OpusRepacketizer *rp, int begin, int end, unsign
}
if (vbr)
{
- tot_size = 2;
+ tot_size += 2;
for (i=0;i<count-1;i++)
tot_size += 1 + (len[i]>=252) + len[i];
tot_size += len[count-1];
@@ -170,7 +175,7 @@ int opus_repacketizer_out_range(OpusRepacketizer *rp, int begin, int end, unsign
for (i=0;i<count-1;i++)
data += encode_size(len[i], data);
} else {
- tot_size = count*len[0]+2;
+ tot_size += count*len[0]+2;
if (tot_size > maxlen)
return OPUS_BUFFER_TOO_SMALL;
*data++ = (rp->toc&0xFC) | 0x3;
@@ -179,6 +184,8 @@ int opus_repacketizer_out_range(OpusRepacketizer *rp, int begin, int end, unsign
}
break;
}
+ if (self_delimited)
+ data += encode_size(len[count-1], data);
/* Copy the actual data */
for (i=0;i<count;i++)
{
@@ -188,9 +195,14 @@ int opus_repacketizer_out_range(OpusRepacketizer *rp, int begin, int end, unsign
return tot_size;
}
+int opus_repacketizer_out_range(OpusRepacketizer *rp, int begin, int end, unsigned char *data, int maxlen)
+{
+ return opus_repacketizer_out_range_impl(rp, begin, end, data, maxlen, 0);
+}
+
int opus_repacketizer_out(OpusRepacketizer *rp, unsigned char *data, int maxlen)
{
- return opus_repacketizer_out_range(rp, 0, rp->nb_frames, data, maxlen);
+ return opus_repacketizer_out_range_impl(rp, 0, rp->nb_frames, data, maxlen, 0);
}