Support for Ambisonics.
Signed-off-by: Jean-Marc Valin <jmvalin@jmvalin.ca>
diff --git a/include/opus_defines.h b/include/opus_defines.h
index 33c5acd..fbf5d0e 100644
--- a/include/opus_defines.h
+++ b/include/opus_defines.h
@@ -169,6 +169,9 @@
#define OPUS_SET_PHASE_INVERSION_DISABLED_REQUEST 4046
#define OPUS_GET_PHASE_INVERSION_DISABLED_REQUEST 4047
+/** Defines for the presence of extended APIs. */
+#define OPUS_HAVE_OPUS_PROJECTION_H
+
/* Macros to trigger compilation errors when the wrong types are provided to a CTL */
#define __opus_check_int(x) (((void)((x) == (opus_int32)0)), (opus_int32)(x))
#define __opus_check_int_ptr(ptr) ((ptr) + ((ptr) - (opus_int32*)(ptr)))
diff --git a/src/opus_projection_decoder.c b/src/opus_projection_decoder.c
index d39cb83..c879ead 100644
--- a/src/opus_projection_decoder.c
+++ b/src/opus_projection_decoder.c
@@ -254,4 +254,105 @@
opus_free(st);
}
+#else /* ENABLE_EXPERIMENTAL_AMBISONICS */
+
+opus_int32 opus_projection_decoder_get_size(
+ int channels,
+ int streams,
+ int coupled_streams)
+{
+ (void)channels;
+ (void)streams;
+ (void)coupled_streams;
+ return OPUS_UNIMPLEMENTED;
+}
+
+OpusProjectionDecoder *opus_projection_decoder_create(
+ opus_int32 Fs,
+ int channels,
+ int streams,
+ int coupled_streams,
+ unsigned char *demixing_matrix,
+ opus_int32 demixing_matrix_size,
+ int *error)
+{
+ (void)Fs;
+ (void)channels;
+ (void)streams;
+ (void)coupled_streams;
+ (void)demixing_matrix;
+ (void)demixing_matrix_size;
+ if (error) *error = OPUS_UNIMPLEMENTED;
+ return NULL;
+}
+
+int opus_projection_decoder_init(
+ OpusProjectionDecoder *st,
+ opus_int32 Fs,
+ int channels,
+ int streams,
+ int coupled_streams,
+ unsigned char *demixing_matrix,
+ opus_int32 demixing_matrix_size)
+{
+ (void)st;
+ (void)Fs;
+ (void)channels;
+ (void)streams;
+ (void)coupled_streams;
+ (void)demixing_matrix;
+ (void)demixing_matrix_size;
+ return OPUS_UNIMPLEMENTED;
+}
+
+int opus_projection_decode(
+ OpusProjectionDecoder *st,
+ const unsigned char *data,
+ opus_int32 len,
+ opus_int16 *pcm,
+ int frame_size,
+ int decode_fec)
+{
+ (void)st;
+ (void)data;
+ (void)len;
+ (void)pcm;
+ (void)frame_size;
+ (void)decode_fec;
+ return OPUS_UNIMPLEMENTED;
+}
+
+int opus_projection_decode_float(
+ OpusProjectionDecoder *st,
+ const unsigned char *data,
+ opus_int32 len,
+ float *pcm,
+ int frame_size,
+ int decode_fec)
+{
+ (void)st;
+ (void)data;
+ (void)len;
+ (void)pcm;
+ (void)frame_size;
+ (void)decode_fec;
+ return OPUS_UNIMPLEMENTED;
+}
+
+int opus_projection_decoder_ctl(
+ OpusProjectionDecoder *st,
+ int request,
+ ...)
+{
+ (void)st;
+ (void)request;
+ return OPUS_UNIMPLEMENTED;
+}
+
+void opus_projection_decoder_destroy(
+ OpusProjectionDecoder *st)
+{
+ (void)st;
+}
+
#endif /* ENABLE_EXPERIMENTAL_AMBISONICS */
diff --git a/src/opus_projection_encoder.c b/src/opus_projection_encoder.c
index ea2a26b..1c403c3 100644
--- a/src/opus_projection_encoder.c
+++ b/src/opus_projection_encoder.c
@@ -459,4 +459,93 @@
return OPUS_BAD_ARG;
}
+#else /* ENABLE_EXPERIMENTAL_AMBISONICS */
+
+opus_int32 opus_projection_ambisonics_encoder_get_size(
+ int channels, int mapping_family)
+{
+ (void)channels;
+ (void)mapping_family;
+ return OPUS_UNIMPLEMENTED;
+}
+
+OpusProjectionEncoder *opus_projection_ambisonics_encoder_create(
+ opus_int32 Fs, int channels, int mapping_family, int *streams,
+ int *coupled_streams, int application, int *error)
+{
+ (void)Fs;
+ (void)channels;
+ (void)mapping_family;
+ (void)streams;
+ (void)coupled_streams;
+ (void)application;
+ if (error) *error = OPUS_UNIMPLEMENTED;
+ return NULL;
+}
+
+int opus_projection_ambisonics_encoder_init(
+ OpusProjectionEncoder *st,
+ opus_int32 Fs,
+ int channels,
+ int mapping_family,
+ int *streams,
+ int *coupled_streams,
+ int application)
+{
+ (void)st;
+ (void)Fs;
+ (void)channels;
+ (void)mapping_family;
+ (void)streams;
+ (void)coupled_streams;
+ (void)application;
+ return OPUS_UNIMPLEMENTED;
+}
+
+int opus_projection_encode(
+ OpusProjectionEncoder *st,
+ const opus_int16 *pcm,
+ int frame_size,
+ unsigned char *data,
+ opus_int32 max_data_bytes)
+{
+ (void)st;
+ (void)pcm;
+ (void)frame_size;
+ (void)data;
+ (void)max_data_bytes;
+ return OPUS_UNIMPLEMENTED;
+}
+
+int opus_projection_encode_float(
+ OpusProjectionEncoder *st,
+ const float *pcm,
+ int frame_size,
+ unsigned char *data,
+ opus_int32 max_data_bytes)
+{
+ (void)st;
+ (void)pcm;
+ (void)frame_size;
+ (void)data;
+ (void)max_data_bytes;
+ return OPUS_UNIMPLEMENTED;
+}
+
+void opus_projection_encoder_destroy(
+ OpusProjectionEncoder *st)
+{
+ (void)st;
+}
+
+int opus_projection_encoder_ctl(
+ OpusProjectionEncoder *st,
+ int request,
+ ...)
+{
+ (void)st;
+ (void)request;
+ return OPUS_UNIMPLEMENTED;
+}
+
#endif /* ENABLE_EXPERIMENTAL_AMBISONICS */
