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opus_packet_parse() now returns the payload offset rather than the pointer

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This commit is contained in:
Jean-Marc Valin 2011-08-18 15:54:00 -04:00
parent 8fe8b8e0b6
commit 6bb1c1838d
2 changed files with 8 additions and 6 deletions
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2
src/opus.h
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@ -219,7 +219,7 @@ OPUS_EXPORT void opus_decoder_destroy(OpusDecoder *st);
OPUS_EXPORT int opus_packet_parse(const unsigned char *data, int len,
unsigned char *out_toc, const unsigned char *frames[48],
short size[48], const unsigned char **payload);
short size[48], int *payload_offset);
OPUS_EXPORT int opus_packet_get_bandwidth(const unsigned char *data);
OPUS_EXPORT int opus_packet_get_samples_per_frame(const unsigned char *data, int Fs);

12
src/opus_decoder.c
View file

@ -446,12 +446,13 @@ static int parse_size(const unsigned char *data, int len, short *size)
int opus_packet_parse(const unsigned char *data, int len,
unsigned char *out_toc, const unsigned char *frames[48],
short size[48], const unsigned char **payload)
short size[48], int *payload_offset)
{
int i, bytes;
int count;
unsigned char ch, toc;
int framesize;
const unsigned char *data0 = data;
if (size==NULL)
return OPUS_BAD_ARG;
@ -556,8 +557,8 @@ int opus_packet_parse(const unsigned char *data, int len,
if (out_toc)
*out_toc = toc;
if (payload)
*payload = data;
if (payload_offset)
*payload_offset = data-data0;
return count;
}
@ -571,7 +572,7 @@ int opus_decode_float(OpusDecoder *st, const unsigned char *data,
#endif
{
int i, nb_samples;
int count;
int count, offset;
unsigned char toc;
/* 48 x 2.5 ms = 120 ms */
short size[48];
@ -584,10 +585,11 @@ int opus_decode_float(OpusDecoder *st, const unsigned char *data,
st->frame_size = opus_packet_get_samples_per_frame(data, st->Fs);
st->stream_channels = opus_packet_get_nb_channels(data);
count = opus_packet_parse(data, len, &toc, NULL, size, &data);
count = opus_packet_parse(data, len, &toc, NULL, size, &offset);
if (count < 0)
return count;
data += offset;
if (count*st->frame_size > frame_size)
return OPUS_BAD_ARG;
nb_samples=0;