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AudioDecoder: Replace Init() with Reset()

Browse Source 
The Init() method was previously used to initialize and reset
decoders, and returned an error code. The new Reset() method is used
for reset only; the constructor is now responsible for fully
initializing the AudioDecoder.

Reset() doesn't return an error code; it turned out that none of the
functions it ended up calling could actually fail, so this CL removes
their error return codes as well.

R=henrik.lundin@webrtc.org

Review URL: https://codereview.webrtc.org/1319683002 .

Cr-Commit-Position: refs/heads/master@{#9798}
This commit is contained in:
Karl Wiberg
2015-08-27 15:22:11 +02:00
parent 1c3dd38cb8
commit 4376648df0
38 changed files with 105 additions and 208 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
webrtc/modules/audio_coding/codecs/audio_decoder.h
View File

@ -64,8 +64,8 @@ class AudioDecoder {
// one or several lost packets.
virtual size_t DecodePlc(size_t num_frames, int16_t* decoded);
// Initializes the decoder.
virtual int Init() = 0;
// Resets the decoder state (empty buffers etc.).
virtual void Reset() = 0;
// Notifies the decoder of an incoming packet to NetEQ.
virtual int IncomingPacket(const uint8_t* payload,

12
webrtc/modules/audio_coding/codecs/cng/cng_unittest.cc
View File

@ -194,7 +194,7 @@ TEST_F(CngTest, CngUpdateSid) {
EXPECT_EQ(0, WebRtcCng_CreateDec(&cng_dec_inst_));
EXPECT_EQ(0, WebRtcCng_InitEnc(cng_enc_inst_, 16000, kSidNormalIntervalUpdate,
kCNGNumParamsNormal));
EXPECT_EQ(0, WebRtcCng_InitDec(cng_dec_inst_));
WebRtcCng_InitDec(cng_dec_inst_);
// Run normal Encode and UpdateSid.
EXPECT_EQ(kCNGNumParamsNormal + 1, WebRtcCng_Encode(
@ -205,7 +205,7 @@ TEST_F(CngTest, CngUpdateSid) {
// Reinit with new length.
EXPECT_EQ(0, WebRtcCng_InitEnc(cng_enc_inst_, 16000, kSidNormalIntervalUpdate,
kCNGNumParamsHigh));
EXPECT_EQ(0, WebRtcCng_InitDec(cng_dec_inst_));
WebRtcCng_InitDec(cng_dec_inst_);
// Expect 0 because of unstable parameters after switching length.
EXPECT_EQ(0, WebRtcCng_Encode(cng_enc_inst_, speech_data_, 160, sid_data,
@ -242,7 +242,7 @@ TEST_F(CngTest, CngUpdateSidErroneous) {
EXPECT_EQ(6220, WebRtcCng_GetErrorCodeDec(cng_dec_inst_));
// Initialize decoder.
EXPECT_EQ(0, WebRtcCng_InitDec(cng_dec_inst_));
WebRtcCng_InitDec(cng_dec_inst_);
// First run with valid parameters, then with too many CNG parameters.
// The function will operate correctly by only reading the maximum number of
@ -268,7 +268,7 @@ TEST_F(CngTest, CngGenerate) {
EXPECT_EQ(0, WebRtcCng_CreateDec(&cng_dec_inst_));
EXPECT_EQ(0, WebRtcCng_InitEnc(cng_enc_inst_, 16000, kSidNormalIntervalUpdate,
kCNGNumParamsNormal));
EXPECT_EQ(0, WebRtcCng_InitDec(cng_dec_inst_));
WebRtcCng_InitDec(cng_dec_inst_);
// Normal Encode.
EXPECT_EQ(kCNGNumParamsNormal + 1, WebRtcCng_Encode(
@ -301,7 +301,7 @@ TEST_F(CngTest, CngAutoSid) {
EXPECT_EQ(0, WebRtcCng_CreateDec(&cng_dec_inst_));
EXPECT_EQ(0, WebRtcCng_InitEnc(cng_enc_inst_, 16000, kSidNormalIntervalUpdate,
kCNGNumParamsNormal));
EXPECT_EQ(0, WebRtcCng_InitDec(cng_dec_inst_));
WebRtcCng_InitDec(cng_dec_inst_);
// Normal Encode, 100 msec, where no SID data should be generated.
for (int i = 0; i < 10; i++) {
@ -328,7 +328,7 @@ TEST_F(CngTest, CngAutoSidShort) {
EXPECT_EQ(0, WebRtcCng_CreateDec(&cng_dec_inst_));
EXPECT_EQ(0, WebRtcCng_InitEnc(cng_enc_inst_, 16000, kSidShortIntervalUpdate,
kCNGNumParamsNormal));
EXPECT_EQ(0, WebRtcCng_InitDec(cng_dec_inst_));
WebRtcCng_InitDec(cng_dec_inst_);
// First call will never generate SID, unless forced to.
EXPECT_EQ(0, WebRtcCng_Encode(cng_enc_inst_, speech_data_, 160, sid_data,

2
webrtc/modules/audio_coding/codecs/cng/include/webrtc_cng.h
View File

@ -70,7 +70,7 @@ int16_t WebRtcCng_CreateDec(CNG_dec_inst** cng_inst);
int WebRtcCng_InitEnc(CNG_enc_inst* cng_inst, int fs, int16_t interval,
int16_t quality);
int16_t WebRtcCng_InitDec(CNG_dec_inst* cng_inst);
void WebRtcCng_InitDec(CNG_dec_inst* cng_inst);
/****************************************************************************
* WebRtcCng_FreeEnc/Dec(...)

4
webrtc/modules/audio_coding/codecs/cng/webrtc_cng.c
View File

@ -169,7 +169,7 @@ int WebRtcCng_InitEnc(CNG_enc_inst* cng_inst, int fs, int16_t interval,
return 0;
}
int16_t WebRtcCng_InitDec(CNG_dec_inst* cng_inst) {
void WebRtcCng_InitDec(CNG_dec_inst* cng_inst) {
int i;
WebRtcCngDecoder* inst = (WebRtcCngDecoder*) cng_inst;
@ -188,8 +188,6 @@ int16_t WebRtcCng_InitDec(CNG_dec_inst* cng_inst) {
inst->dec_used_reflCoefs[0] = 0;
inst->dec_used_energy = 0;
inst->initflag = 1;
return 0;
}
/****************************************************************************

6
webrtc/modules/audio_coding/codecs/g722/g722_decode.c
View File

@ -157,11 +157,7 @@ static void block4(G722DecoderState *s, int band, int d)
G722DecoderState* WebRtc_g722_decode_init(G722DecoderState* s,
int rate,
int options) {
if (s == NULL)
{
if ((s = (G722DecoderState *) malloc(sizeof(*s))) == NULL)
return NULL;
}
s = s ? s : malloc(sizeof(*s));
memset(s, 0, sizeof(*s));
if (rate == 48000)
s->bits_per_sample = 6;

15
webrtc/modules/audio_coding/codecs/g722/g722_interface.c
View File

@ -66,17 +66,10 @@ int16_t WebRtcG722_CreateDecoder(G722DecInst **G722dec_inst)
}
}
int16_t WebRtcG722_DecoderInit(G722DecInst *G722dec_inst)
{
// Create and/or reset the G.722 decoder
// Bitrate 64 kbps and wideband mode (2)
G722dec_inst = (G722DecInst *) WebRtc_g722_decode_init(
(G722DecoderState*) G722dec_inst, 64000, 2);
if (G722dec_inst == NULL) {
return -1;
} else {
return 0;
}
void WebRtcG722_DecoderInit(G722DecInst* inst) {
// Create and/or reset the G.722 decoder
// Bitrate 64 kbps and wideband mode (2)
WebRtc_g722_decode_init((G722DecoderState*)inst, 64000, 2);
}
int WebRtcG722_FreeDecoder(G722DecInst *G722dec_inst)

12
webrtc/modules/audio_coding/codecs/g722/include/g722_interface.h
View File

@ -113,22 +113,16 @@ size_t WebRtcG722_Encode(G722EncInst* G722enc_inst,
*/
int16_t WebRtcG722_CreateDecoder(G722DecInst **G722dec_inst);
/****************************************************************************
* WebRtcG722_DecoderInit(...)
*
* This function initializes a G729 instance
* This function initializes a G722 instance
*
* Input:
* - G729_decinst_t : G729 instance, i.e. the user that should receive
* be initialized
*
* Return value : 0 - Ok
* -1 - Error
* - inst : G722 instance
*/
int16_t WebRtcG722_DecoderInit(G722DecInst *G722dec_inst);
void WebRtcG722_DecoderInit(G722DecInst* inst);
/****************************************************************************
* WebRtcG722_FreeDecoder(...)

6
webrtc/modules/audio_coding/codecs/ilbc/ilbc.c
View File

@ -131,13 +131,11 @@ int16_t WebRtcIlbcfix_DecoderInit(IlbcDecoderInstance* iLBCdec_inst,
return(-1);
}
}
int16_t WebRtcIlbcfix_DecoderInit20Ms(IlbcDecoderInstance *iLBCdec_inst) {
void WebRtcIlbcfix_DecoderInit20Ms(IlbcDecoderInstance* iLBCdec_inst) {
WebRtcIlbcfix_InitDecode((IlbcDecoder*) iLBCdec_inst, 20, 1);
return(0);
}
int16_t WebRtcIlbcfix_Decoderinit30Ms(IlbcDecoderInstance *iLBCdec_inst) {
void WebRtcIlbcfix_Decoderinit30Ms(IlbcDecoderInstance* iLBCdec_inst) {
WebRtcIlbcfix_InitDecode((IlbcDecoder*) iLBCdec_inst, 30, 1);
return(0);
}

4
webrtc/modules/audio_coding/codecs/ilbc/interface/ilbc.h
View File

@ -159,8 +159,8 @@ extern "C" {
int16_t WebRtcIlbcfix_DecoderInit(IlbcDecoderInstance *iLBCdec_inst,
int16_t frameLen);
int16_t WebRtcIlbcfix_DecoderInit20Ms(IlbcDecoderInstance *iLBCdec_inst);
int16_t WebRtcIlbcfix_Decoderinit30Ms(IlbcDecoderInstance *iLBCdec_inst);
void WebRtcIlbcfix_DecoderInit20Ms(IlbcDecoderInstance* iLBCdec_inst);
void WebRtcIlbcfix_Decoderinit30Ms(IlbcDecoderInstance* iLBCdec_inst);
/****************************************************************************
* WebRtcIlbcfix_Decode(...)

2
webrtc/modules/audio_coding/codecs/isac/audio_encoder_isac_t.h
View File

@ -95,7 +95,7 @@ class AudioDecoderIsacT final : public AudioDecoder {
bool HasDecodePlc() const override;
size_t DecodePlc(size_t num_frames, int16_t* decoded) override;
int Init() override;
void Reset() override;
int IncomingPacket(const uint8_t* payload,
size_t payload_len,
uint16_t rtp_sequence_number,

6
webrtc/modules/audio_coding/codecs/isac/audio_encoder_isac_t_impl.h
View File

@ -185,7 +185,7 @@ template <typename T>
AudioDecoderIsacT<T>::AudioDecoderIsacT(LockedIsacBandwidthInfo* bwinfo)
: bwinfo_(bwinfo), decoder_sample_rate_hz_(-1) {
CHECK_EQ(0, T::Create(&isac_state_));
CHECK_EQ(0, T::DecoderInit(isac_state_));
T::DecoderInit(isac_state_);
if (bwinfo_) {
IsacBandwidthInfo bwinfo;
T::GetBandwidthInfo(isac_state_, &bwinfo);
@ -232,8 +232,8 @@ size_t AudioDecoderIsacT<T>::DecodePlc(size_t num_frames, int16_t* decoded) {
}
template <typename T>
int AudioDecoderIsacT<T>::Init() {
return T::DecoderInit(isac_state_);
void AudioDecoderIsacT<T>::Reset() {
T::DecoderInit(isac_state_);
}
template <typename T>

4
webrtc/modules/audio_coding/codecs/isac/fix/interface/audio_encoder_isacfix.h
View File

@ -50,8 +50,8 @@ struct IsacFix {
size_t num_lost_frames) {
return WebRtcIsacfix_DecodePlc(inst, decoded, num_lost_frames);
}
static inline int16_t DecoderInit(instance_type* inst) {
return WebRtcIsacfix_DecoderInit(inst);
static inline void DecoderInit(instance_type* inst) {
WebRtcIsacfix_DecoderInit(inst);
}
static inline int Encode(instance_type* inst,
const int16_t* speech_in,

7
webrtc/modules/audio_coding/codecs/isac/fix/interface/isacfix.h
View File

@ -174,14 +174,9 @@ extern "C" {
*
* Input:
* - ISAC_main_inst : ISAC instance.
*
* Return value
* : 0 - Ok
* -1 - Error
*/
int16_t WebRtcIsacfix_DecoderInit(ISACFIX_MainStruct *ISAC_main_inst);
void WebRtcIsacfix_DecoderInit(ISACFIX_MainStruct* ISAC_main_inst);
/****************************************************************************
* WebRtcIsacfix_UpdateBwEstimate1(...)

8
webrtc/modules/audio_coding/codecs/isac/fix/source/isacfix.c
View File

@ -568,13 +568,9 @@ int16_t WebRtcIsacfix_GetNewBitStream(ISACFIX_MainStruct *ISAC_main_inst,
*
* Input:
* - ISAC_main_inst : ISAC instance.
*
* Return value
* : 0 - Ok
* -1 - Error
*/
int16_t WebRtcIsacfix_DecoderInit(ISACFIX_MainStruct *ISAC_main_inst)
void WebRtcIsacfix_DecoderInit(ISACFIX_MainStruct *ISAC_main_inst)
{
ISACFIX_SubStruct *ISAC_inst;
@ -597,8 +593,6 @@ int16_t WebRtcIsacfix_DecoderInit(ISACFIX_MainStruct *ISAC_main_inst)
#ifdef WEBRTC_ISAC_FIX_NB_CALLS_ENABLED
WebRtcIsacfix_InitPreFilterbank(&ISAC_inst->ISACdec_obj.decimatorstr_obj);
#endif
return 0;
}

2
webrtc/modules/audio_coding/codecs/isac/fix/test/isac_speed_test.cc
View File

@ -48,7 +48,7 @@ void IsacSpeedTest::SetUp() {
// Create encoder memory.
EXPECT_EQ(0, WebRtcIsacfix_Create(&ISACFIX_main_inst_));
EXPECT_EQ(0, WebRtcIsacfix_EncoderInit(ISACFIX_main_inst_, 1));
EXPECT_EQ(0, WebRtcIsacfix_DecoderInit(ISACFIX_main_inst_));
WebRtcIsacfix_DecoderInit(ISACFIX_main_inst_);
// Set bitrate and block length.
EXPECT_EQ(0, WebRtcIsacfix_Control(ISACFIX_main_inst_, bit_rate_,
block_duration_ms_));

7
webrtc/modules/audio_coding/codecs/isac/fix/test/kenny.cc
View File

@ -539,12 +539,7 @@ int main(int argc, char* argv[])
printf("\n\n Error in encoderinit: %d.\n\n", errtype);
}
err = WebRtcIsacfix_DecoderInit(ISAC_main_inst);
/* Error check */
if (err < 0) {
errtype=WebRtcIsacfix_GetErrorCode(ISAC_main_inst);
printf("\n\n Error in decoderinit: %d.\n\n", errtype);
}
WebRtcIsacfix_DecoderInit(ISAC_main_inst);
}

4
webrtc/modules/audio_coding/codecs/isac/main/interface/audio_encoder_isac.h
View File

@ -50,8 +50,8 @@ struct IsacFloat {
return WebRtcIsac_DecodePlc(inst, decoded, num_lost_frames);
}
static inline int16_t DecoderInit(instance_type* inst) {
return WebRtcIsac_DecoderInit(inst);
static inline void DecoderInit(instance_type* inst) {
WebRtcIsac_DecoderInit(inst);
}
static inline int Encode(instance_type* inst,
const int16_t* speech_in,

8
webrtc/modules/audio_coding/codecs/isac/main/interface/isac.h
View File

@ -157,15 +157,9 @@ extern "C" {
*
* Input:
* - ISAC_main_inst : ISAC instance.
*
* Return value
* : 0 - Ok
* -1 - Error
*/
int16_t WebRtcIsac_DecoderInit(
ISACStruct* ISAC_main_inst);
void WebRtcIsac_DecoderInit(ISACStruct* ISAC_main_inst);
/******************************************************************************
* WebRtcIsac_UpdateBwEstimate(...)

26
webrtc/modules/audio_coding/codecs/isac/main/source/isac.c
View File

@ -924,12 +924,8 @@ int16_t WebRtcIsac_GetNewBitStream(ISACStruct* ISAC_main_inst,
*
* Input:
* - ISAC_main_inst : ISAC instance.
*
* Return value
* : 0 - Ok
* -1 - Error
*/
static int16_t DecoderInitLb(ISACLBStruct* instISAC) {
static void DecoderInitLb(ISACLBStruct* instISAC) {
int i;
/* Initialize stream vector to zero. */
for (i = 0; i < STREAM_SIZE_MAX_60; i++) {
@ -940,10 +936,9 @@ static int16_t DecoderInitLb(ISACLBStruct* instISAC) {
WebRtcIsac_InitPostFilterbank(
&instISAC->ISACdecLB_obj.postfiltbankstr_obj);
WebRtcIsac_InitPitchFilter(&instISAC->ISACdecLB_obj.pitchfiltstr_obj);
return 0;
}
static int16_t DecoderInitUb(ISACUBStruct* instISAC) {
static void DecoderInitUb(ISACUBStruct* instISAC) {
int i;
/* Init stream vector to zero */
for (i = 0; i < STREAM_SIZE_MAX_60; i++) {
@ -953,24 +948,18 @@ static int16_t DecoderInitUb(ISACUBStruct* instISAC) {
WebRtcIsac_InitMasking(&instISAC->ISACdecUB_obj.maskfiltstr_obj);
WebRtcIsac_InitPostFilterbank(
&instISAC->ISACdecUB_obj.postfiltbankstr_obj);
return (0);
}
int16_t WebRtcIsac_DecoderInit(ISACStruct* ISAC_main_inst) {
void WebRtcIsac_DecoderInit(ISACStruct* ISAC_main_inst) {
ISACMainStruct* instISAC = (ISACMainStruct*)ISAC_main_inst;
if (DecoderInitLb(&instISAC->instLB) < 0) {
return -1;
}
DecoderInitLb(&instISAC->instLB);
if (instISAC->decoderSamplingRateKHz == kIsacSuperWideband) {
memset(instISAC->synthesisFBState1, 0,
FB_STATE_SIZE_WORD32 * sizeof(int32_t));
memset(instISAC->synthesisFBState2, 0,
FB_STATE_SIZE_WORD32 * sizeof(int32_t));
if (DecoderInitUb(&(instISAC->instUB)) < 0) {
return -1;
}
DecoderInitUb(&(instISAC->instUB));
}
if ((instISAC->initFlag & BIT_MASK_ENC_INIT) != BIT_MASK_ENC_INIT) {
WebRtcIsac_InitBandwidthEstimator(&instISAC->bwestimator_obj,
@ -979,7 +968,6 @@ int16_t WebRtcIsac_DecoderInit(ISACStruct* ISAC_main_inst) {
}
instISAC->initFlag |= BIT_MASK_DEC_INIT;
instISAC->resetFlag_8kHz = 0;
return 0;
}
@ -2353,9 +2341,7 @@ int16_t WebRtcIsac_SetDecSampRate(ISACStruct* ISAC_main_inst,
memset(instISAC->synthesisFBState2, 0,
FB_STATE_SIZE_WORD32 * sizeof(int32_t));
if (DecoderInitUb(&(instISAC->instUB)) < 0) {
return -1;
}
DecoderInitUb(&instISAC->instUB);
}
instISAC->decoderSamplingRateKHz = decoder_operational_rate;
return 0;

17
webrtc/modules/audio_coding/codecs/isac/main/test/ReleaseTest-API/ReleaseTest-API.cc
View File

@ -499,13 +499,8 @@ int main(int argc, char* argv[]) {
return 0;
}
}
if (testNum != 2) {
if (WebRtcIsac_DecoderInit(ISAC_main_inst) < 0) {
printf("Error could not initialize the decoder \n");
cout << flush;
return 0;
}
}
if (testNum != 2)
WebRtcIsac_DecoderInit(ISAC_main_inst);
if (CodingMode == 1) {
err = WebRtcIsac_Control(ISAC_main_inst, bottleneck, framesize);
if (err < 0) {
@ -570,13 +565,7 @@ int main(int argc, char* argv[]) {
cout << flush;
}
err = WebRtcIsac_DecoderInit(ISAC_main_inst);
/* Error check */
if (err < 0) {
errtype = WebRtcIsac_GetErrorCode(ISAC_main_inst);
printf("\n\n Error in decoderinit: %d.\n\n", errtype);
cout << flush;
}
WebRtcIsac_DecoderInit(ISAC_main_inst);
}
cur_framesmpls = 0;

8
webrtc/modules/audio_coding/codecs/isac/main/test/SwitchingSampRate/SwitchingSampRate.cc
View File

@ -166,13 +166,7 @@ int main(int argc, char* argv[])
return -1;
}
// Initialize Decoder
if(WebRtcIsac_DecoderInit(codecInstance[clientCntr]) < 0)
{
printf("Could not initialize decoder of client %d\n",
clientCntr + 1);
return -1;
}
WebRtcIsac_DecoderInit(codecInstance[clientCntr]);
// setup Rate if in Instantaneous mode
if(codingMode != 0)

5
webrtc/modules/audio_coding/codecs/isac/main/test/simpleKenny.c
View File

@ -253,10 +253,7 @@ int main(int argc, char* argv[]) {
printf("cannot initialize encoder\n");
return -1;
}
if (WebRtcIsac_DecoderInit(ISAC_main_inst) < 0) {
printf("cannot initialize decoder\n");
return -1;
}
WebRtcIsac_DecoderInit(ISAC_main_inst);
// {
// int32_t b1, b2;

4
webrtc/modules/audio_coding/codecs/isac/unittest.cc
View File

@ -111,7 +111,7 @@ void TestGetSetBandwidthInfo(const int16_t* speech_data,
typename T::instance_type* encdec;
ASSERT_EQ(0, T::Create(&encdec));
ASSERT_EQ(0, T::EncoderInit(encdec, adaptive ? 0 : 1));
ASSERT_EQ(0, T::DecoderInit(encdec));
T::DecoderInit(encdec);
ASSERT_EQ(0, T::SetEncSampRate(encdec, sample_rate_hz));
if (adaptive)
ASSERT_EQ(0, T::ControlBwe(encdec, bit_rate, frame_size_ms, false));
@ -129,7 +129,7 @@ void TestGetSetBandwidthInfo(const int16_t* speech_data,
ASSERT_EQ(0, T::Control(enc, bit_rate, frame_size_ms));
typename T::instance_type* dec;
ASSERT_EQ(0, T::Create(&dec));
ASSERT_EQ(0, T::DecoderInit(dec));
T::DecoderInit(dec);
T::SetInitialBweBottleneck(dec, bit_rate);
T::SetEncSampRateInDecoder(dec, sample_rate_hz);

5
webrtc/modules/audio_coding/codecs/opus/interface/opus_interface.h
View File

@ -212,11 +212,8 @@ int WebRtcOpus_DecoderChannels(OpusDecInst* inst);
*
* Input:
* - inst : Decoder context
*
* Return value : 0 - Success
* -1 - Error
*/
int16_t WebRtcOpus_DecoderInit(OpusDecInst* inst);
void WebRtcOpus_DecoderInit(OpusDecInst* inst);
/****************************************************************************
* WebRtcOpus_Decode(...)

10
webrtc/modules/audio_coding/codecs/opus/opus_interface.c
View File

@ -250,13 +250,9 @@ int WebRtcOpus_DecoderChannels(OpusDecInst* inst) {
return inst->channels;
}
int16_t WebRtcOpus_DecoderInit(OpusDecInst* inst) {
int error = opus_decoder_ctl(inst->decoder, OPUS_RESET_STATE);
if (error == OPUS_OK) {
inst->in_dtx_mode = 0;
return 0;
}
return -1;
void WebRtcOpus_DecoderInit(OpusDecInst* inst) {
opus_decoder_ctl(inst->decoder, OPUS_RESET_STATE);
inst->in_dtx_mode = 0;
}
/* For decoder to determine if it is to output speech or comfort noise. */

2
webrtc/modules/audio_coding/codecs/opus/opus_unittest.cc
View File

@ -376,7 +376,7 @@ TEST_P(OpusTest, OpusDecodeInit) {
kOpus20msFrameSamples, opus_decoder_, output_data_decode,
&audio_type)));
EXPECT_EQ(0, WebRtcOpus_DecoderInit(opus_decoder_));
WebRtcOpus_DecoderInit(opus_decoder_);
EXPECT_EQ(kOpus20msFrameSamples,
static_cast<size_t>(WebRtcOpus_Decode(