diff --git a/libcelt/celt.h b/libcelt/celt.h
index 2bbf506603cc648d031b93f5a1b7432d10db4153..7bb9350c4fb6b151d9c40a6ea01db0e3e3419228 100644
--- a/libcelt/celt.h
+++ b/libcelt/celt.h
@@ -42,11 +42,11 @@ extern "C" {
#endif
#if defined(__GNUC__) && defined(CELT_BUILD)
-#define EXPORT __attribute__ ((visibility ("default")))
+#define CELT_EXPORT __attribute__ ((visibility ("default")))
#elif defined(WIN32)
-#define EXPORT __declspec(dllexport)
+#define CELT_EXPORT __declspec(dllexport)
#else
-#define EXPORT
+#define CELT_EXPORT
#endif
#define _celt_check_int(x) (((void)((x) == (celt_int32)0)), (celt_int32)(x))
@@ -157,19 +157,19 @@ typedef struct CELTMode CELTMode;
@param error Returned error code (if NULL, no error will be returned)
@return A newly created mode
*/
-EXPORT CELTMode *celt_mode_create(celt_int32 Fs, int frame_size, int *error);
+CELT_EXPORT CELTMode *celt_mode_create(celt_int32 Fs, int frame_size, int *error);
/** Destroys a mode struct. Only call this after all encoders and
decoders using this mode are destroyed as well.
@param mode Mode to be destroyed
*/
-EXPORT void celt_mode_destroy(CELTMode *mode);
+CELT_EXPORT void celt_mode_destroy(CELTMode *mode);
/* Encoder stuff */
-EXPORT int celt_encoder_get_size(int channels);
+CELT_EXPORT int celt_encoder_get_size(int channels);
-EXPORT int celt_encoder_get_size_custom(const CELTMode *mode, int channels);
+CELT_EXPORT int celt_encoder_get_size_custom(const CELTMode *mode, int channels);
/** Creates a new encoder state. Each stream needs its own encoder
state (can't be shared across simultaneous streams).
@@ -177,7 +177,7 @@ EXPORT int celt_encoder_get_size_custom(const CELTMode *mode, int channels);
@param error Returns an error code
@return Newly created encoder state.
*/
-EXPORT CELTEncoder *celt_encoder_create(int sampling_rate, int channels, int *error);
+CELT_EXPORT CELTEncoder *celt_encoder_create(int sampling_rate, int channels, int *error);
/** Creates a new encoder state. Each stream needs its own encoder
state (can't be shared across simultaneous streams).
@@ -188,16 +188,16 @@ EXPORT CELTEncoder *celt_encoder_create(int sampling_rate, int channels, int *er
@param error Returns an error code
@return Newly created encoder state.
*/
-EXPORT CELTEncoder *celt_encoder_create_custom(const CELTMode *mode, int channels, int *error);
+CELT_EXPORT CELTEncoder *celt_encoder_create_custom(const CELTMode *mode, int channels, int *error);
-EXPORT CELTEncoder *celt_encoder_init(CELTEncoder *st, int sampling_rate, int channels, int *error);
+CELT_EXPORT CELTEncoder *celt_encoder_init(CELTEncoder *st, int sampling_rate, int channels, int *error);
-EXPORT CELTEncoder *celt_encoder_init_custom(CELTEncoder *st, const CELTMode *mode, int channels, int *error);
+CELT_EXPORT CELTEncoder *celt_encoder_init_custom(CELTEncoder *st, const CELTMode *mode, int channels, int *error);
/** Destroys a an encoder state.
@param st Encoder state to be destroyed
*/
-EXPORT void celt_encoder_destroy(CELTEncoder *st);
+CELT_EXPORT void celt_encoder_destroy(CELTEncoder *st);
/** Encodes a frame of audio.
@param st Encoder state
@@ -217,7 +217,7 @@ EXPORT void celt_encoder_destroy(CELTEncoder *st);
* the length returned be somehow transmitted to the decoder. Otherwise, no
* decoding is possible.
*/
-EXPORT int celt_encode_float(CELTEncoder *st, const float *pcm, int frame_size, unsigned char *compressed, int maxCompressedBytes);
+CELT_EXPORT int celt_encode_float(CELTEncoder *st, const float *pcm, int frame_size, unsigned char *compressed, int maxCompressedBytes);
/** Encodes a frame of audio.
@param st Encoder state
@@ -233,7 +233,7 @@ EXPORT int celt_encode_float(CELTEncoder *st, const float *pcm, int frame_size,
* the length returned be somehow transmitted to the decoder. Otherwise, no
* decoding is possible.
*/
-EXPORT int celt_encode(CELTEncoder *st, const celt_int16 *pcm, int frame_size, unsigned char *compressed, int maxCompressedBytes);
+CELT_EXPORT int celt_encode(CELTEncoder *st, const celt_int16 *pcm, int frame_size, unsigned char *compressed, int maxCompressedBytes);
/** Query and set encoder parameters
@param st Encoder state
@@ -241,13 +241,13 @@ EXPORT int celt_encode(CELTEncoder *st, const celt_int16 *pcm, int frame_size, u
@param value Pointer to a 32-bit int value
@return Error code
*/
-EXPORT int celt_encoder_ctl(CELTEncoder * st, int request, ...);
+CELT_EXPORT int celt_encoder_ctl(CELTEncoder * st, int request, ...);
/* Decoder stuff */
-EXPORT int celt_decoder_get_size(int channels);
+CELT_EXPORT int celt_decoder_get_size(int channels);
-EXPORT int celt_decoder_get_size_custom(const CELTMode *mode, int channels);
+CELT_EXPORT int celt_decoder_get_size_custom(const CELTMode *mode, int channels);
/** Creates a new decoder state. Each stream needs its own decoder state (can't
be shared across simultaneous streams).
@@ -257,7 +257,7 @@ EXPORT int celt_decoder_get_size_custom(const CELTMode *mode, int channels);
@param error Returns an error code
@return Newly created decoder state.
*/
-EXPORT CELTDecoder *celt_decoder_create(int sampling_rate, int channels, int *error);
+CELT_EXPORT CELTDecoder *celt_decoder_create(int sampling_rate, int channels, int *error);
/** Creates a new decoder state. Each stream needs its own decoder state (can't
be shared across simultaneous streams).
@@ -267,16 +267,16 @@ EXPORT CELTDecoder *celt_decoder_create(int sampling_rate, int channels, int *er
@param error Returns an error code
@return Newly created decoder state.
*/
-EXPORT CELTDecoder *celt_decoder_create_custom(const CELTMode *mode, int channels, int *error);
+CELT_EXPORT CELTDecoder *celt_decoder_create_custom(const CELTMode *mode, int channels, int *error);
-EXPORT CELTDecoder *celt_decoder_init(CELTDecoder *st, int sampling_rate, int channels, int *error);
+CELT_EXPORT CELTDecoder *celt_decoder_init(CELTDecoder *st, int sampling_rate, int channels, int *error);
-EXPORT CELTDecoder *celt_decoder_init_custom(CELTDecoder *st, const CELTMode *mode, int channels, int *error);
+CELT_EXPORT CELTDecoder *celt_decoder_init_custom(CELTDecoder *st, const CELTMode *mode, int channels, int *error);
/** Destroys a a decoder state.
@param st Decoder state to be destroyed
*/
-EXPORT void celt_decoder_destroy(CELTDecoder *st);
+CELT_EXPORT void celt_decoder_destroy(CELTDecoder *st);
/** Decodes a frame of audio.
@param st Decoder state
@@ -287,7 +287,7 @@ EXPORT void celt_decoder_destroy(CELTDecoder *st);
returned here in float format.
@return Error code.
*/
-EXPORT int celt_decode_float(CELTDecoder *st, const unsigned char *data, int len, float *pcm, int frame_size);
+CELT_EXPORT int celt_decode_float(CELTDecoder *st, const unsigned char *data, int len, float *pcm, int frame_size);
/** Decodes a frame of audio.
@param st Decoder state
@@ -298,7 +298,7 @@ EXPORT int celt_decode_float(CELTDecoder *st, const unsigned char *data, int len
returned here in 16-bit PCM format (native endian).
@return Error code.
*/
-EXPORT int celt_decode(CELTDecoder *st, const unsigned char *data, int len, celt_int16 *pcm, int frame_size);
+CELT_EXPORT int celt_decode(CELTDecoder *st, const unsigned char *data, int len, celt_int16 *pcm, int frame_size);
/** Query and set decoder parameters
@param st Decoder state
@@ -306,14 +306,14 @@ EXPORT int celt_decode(CELTDecoder *st, const unsigned char *data, int len, celt
@param value Pointer to a 32-bit int value
@return Error code
*/
-EXPORT int celt_decoder_ctl(CELTDecoder * st, int request, ...);
+CELT_EXPORT int celt_decoder_ctl(CELTDecoder * st, int request, ...);
/** Returns the English string that corresponds to an error code
* @param error Error code (negative for an error, 0 for success
* @return Constant string (must NOT be freed)
*/
-EXPORT const char *celt_strerror(int error);
+CELT_EXPORT const char *celt_strerror(int error);
/* @} */
diff --git a/src/opus_encoder.c b/src/opus_encoder.c
index 12909671c35d1308f1147e2c0e726e25912161b4..f8f6e5cc82e9e74cbe5cf754944f347b2c809b31 100644
--- a/src/opus_encoder.c
+++ b/src/opus_encoder.c
@@ -38,14 +38,15 @@
#include "modes.h"
#include "SKP_Silk_SDK_API.h"
-/* Transition table for the voice mode */
+/* Transition tables for the voice and audio modes. First column is the
+ middle (memoriless) threshold. The second column is the hysteresis
+ (difference with the middle) */
static const int voice_bandwidth_thresholds[10] = {
11500, 1500, /* NB<->MB */
14500, 1500, /* MB<->WB */
21000, 2000, /* WB<->SWB */
29000, 2000, /* SWB<->FB */
};
-/* Transition table for the audio mode */
static const int audio_bandwidth_thresholds[10] = {
30000, 0, /* MB not allowed */
20000, 2000, /* MB<->WB */
@@ -63,11 +64,12 @@ OpusEncoder *opus_encoder_create(int Fs, int channels)
/* Create SILK encoder */
ret = SKP_Silk_SDK_Get_Encoder_Size( &silkEncSizeBytes );
- if( ret ) {
- /* Handle error */
- }
+ if( ret )
+ return NULL;
celtEncSizeBytes = celt_encoder_get_size(channels);
raw_state = calloc(sizeof(OpusEncoder)+silkEncSizeBytes+celtEncSizeBytes, 1);
+ if (raw_state == NULL)
+ return NULL;
st = (OpusEncoder*)raw_state;
st->silk_enc = (void*)(raw_state+sizeof(OpusEncoder));
st->celt_enc = (CELTEncoder*)(raw_state+sizeof(OpusEncoder)+silkEncSizeBytes);
@@ -76,9 +78,8 @@ OpusEncoder *opus_encoder_create(int Fs, int channels)
st->Fs = Fs;
ret = SKP_Silk_SDK_InitEncoder( st->silk_enc, &st->silk_mode );
- if( ret ) {
- /* Handle error */
- }
+ if( ret )
+ goto failure;
/* default SILK parameters */
st->silk_mode.API_sampleRate = st->Fs;
@@ -94,6 +95,8 @@ OpusEncoder *opus_encoder_create(int Fs, int channels)
/* Create CELT encoder */
/* Initialize CELT encoder */
st->celt_enc = celt_encoder_init(st->celt_enc, Fs, channels, &err);
+ if (err != CELT_OK)
+ goto failure;
celt_encoder_ctl(st->celt_enc, CELT_SET_SIGNALLING(0));
st->mode = MODE_HYBRID;
@@ -110,6 +113,9 @@ OpusEncoder *opus_encoder_create(int Fs, int channels)
if (st->Fs > 16000)
st->delay_compensation += 10;
return st;
+failure:
+ free(st);
+ return NULL;
}
int opus_encode(OpusEncoder *st, const short *pcm, int frame_size,
@@ -120,7 +126,7 @@ int opus_encode(OpusEncoder *st, const short *pcm, int frame_size,
SKP_int32 nBytes;
ec_enc enc;
int framerate, period;
- int silk_internal_bandwidth;
+ int silk_internal_bandwidth=-1;
int bytes_target;
int prefill=0;
int start_band = 0;