Support for Channel Mapping 253
OpusProjection* classes
MixingMatrix class
Projection tests
Change-Id: I98644466abf4ffd36e48bdecad1204d69e1539b9
Signed-off-by: Jean-Marc Valin <jmvalin@jmvalin.ca>
diff --git a/src/opus_multistream_encoder.c b/src/opus_multistream_encoder.c
index 032fc00..07de6cc 100644
--- a/src/opus_multistream_encoder.c
+++ b/src/opus_multistream_encoder.c
@@ -70,28 +70,6 @@
int frame_size
);
-typedef enum {
- MAPPING_TYPE_NONE,
- MAPPING_TYPE_SURROUND
-#ifdef ENABLE_EXPERIMENTAL_AMBISONICS
- , /* Do not include comma at end of enumerator list */
- MAPPING_TYPE_AMBISONICS
-#endif
-} MappingType;
-
-struct OpusMSEncoder {
- ChannelLayout layout;
- int arch;
- int lfe_stream;
- int application;
- int variable_duration;
- MappingType mapping_type;
- opus_int32 bitrate_bps;
- /* Encoder states go here */
- /* then opus_val32 window_mem[channels*120]; */
- /* then opus_val32 preemph_mem[channels]; */
-};
-
static opus_val32 *ms_get_preemph_mem(OpusMSEncoder *st)
{
int s;
@@ -1196,15 +1174,13 @@
}
#endif
-int opus_multistream_encoder_ctl(OpusMSEncoder *st, int request, ...)
+int opus_multistream_encoder_ctl_va_list(OpusMSEncoder *st, int request,
+ va_list ap)
{
- va_list ap;
int coupled_size, mono_size;
char *ptr;
int ret = OPUS_OK;
- va_start(ap, request);
-
coupled_size = opus_encoder_get_size(2);
mono_size = opus_encoder_get_size(1);
ptr = (char*)st + align(sizeof(OpusMSEncoder));
@@ -1392,14 +1368,21 @@
ret = OPUS_UNIMPLEMENTED;
break;
}
-
- va_end(ap);
return ret;
bad_arg:
- va_end(ap);
return OPUS_BAD_ARG;
}
+int opus_multistream_encoder_ctl(OpusMSEncoder *st, int request, ...)
+{
+ int ret;
+ va_list ap;
+ va_start(ap, request);
+ ret = opus_multistream_encoder_ctl_va_list(st, request, ap);
+ va_end(ap);
+ return ret;
+}
+
void opus_multistream_encoder_destroy(OpusMSEncoder *st)
{
opus_free(st);