diff options
Diffstat (limited to 'libs/libopus/silk/enc_API.c')
-rw-r--r-- | libs/libopus/silk/enc_API.c | 47 |
1 files changed, 30 insertions, 17 deletions
diff --git a/libs/libopus/silk/enc_API.c b/libs/libopus/silk/enc_API.c index f8060286d..55a33f37e 100644 --- a/libs/libopus/silk/enc_API.c +++ b/libs/libopus/silk/enc_API.c @@ -82,7 +82,7 @@ opus_int silk_InitEncoder( /* O Returns error co silk_memset( psEnc, 0, sizeof( silk_encoder ) ); for( n = 0; n < ENCODER_NUM_CHANNELS; n++ ) { if( ret += silk_init_encoder( &psEnc->state_Fxx[ n ], arch ) ) { - silk_assert( 0 ); + celt_assert( 0 ); } } @@ -91,7 +91,7 @@ opus_int silk_InitEncoder( /* O Returns error co /* Read control structure */ if( ret += silk_QueryEncoder( encState, encStatus ) ) { - silk_assert( 0 ); + celt_assert( 0 ); } return ret; @@ -144,7 +144,8 @@ opus_int silk_Encode( /* O Returns error co opus_int nSamplesIn, /* I Number of samples in input vector */ ec_enc *psRangeEnc, /* I/O Compressor data structure */ opus_int32 *nBytesOut, /* I/O Number of bytes in payload (input: Max bytes) */ - const opus_int prefillFlag /* I Flag to indicate prefilling buffers no coding */ + const opus_int prefillFlag, /* I Flag to indicate prefilling buffers no coding */ + opus_int activity /* I Decision of Opus voice activity detector */ ) { opus_int n, i, nBits, flags, tmp_payloadSize_ms = 0, tmp_complexity = 0, ret = 0; @@ -166,7 +167,7 @@ opus_int silk_Encode( /* O Returns error co /* Check values in encoder control structure */ if( ( ret = check_control_input( encControl ) ) != 0 ) { - silk_assert( 0 ); + celt_assert( 0 ); RESTORE_STACK; return ret; } @@ -199,16 +200,26 @@ opus_int silk_Encode( /* O Returns error co tot_blocks = ( nBlocksOf10ms > 1 ) ? nBlocksOf10ms >> 1 : 1; curr_block = 0; if( prefillFlag ) { + silk_LP_state save_LP; /* Only accept input length of 10 ms */ if( nBlocksOf10ms != 1 ) { - silk_assert( 0 ); + celt_assert( 0 ); RESTORE_STACK; return SILK_ENC_INPUT_INVALID_NO_OF_SAMPLES; } + if ( prefillFlag == 2 ) { + save_LP = psEnc->state_Fxx[ 0 ].sCmn.sLP; + /* Save the sampling rate so the bandwidth switching code can keep handling transitions. */ + save_LP.saved_fs_kHz = psEnc->state_Fxx[ 0 ].sCmn.fs_kHz; + } /* Reset Encoder */ for( n = 0; n < encControl->nChannelsInternal; n++ ) { ret = silk_init_encoder( &psEnc->state_Fxx[ n ], psEnc->state_Fxx[ n ].sCmn.arch ); - silk_assert( !ret ); + /* Restore the variable LP state. */ + if ( prefillFlag == 2 ) { + psEnc->state_Fxx[ n ].sCmn.sLP = save_LP; + } + celt_assert( !ret ); } tmp_payloadSize_ms = encControl->payloadSize_ms; encControl->payloadSize_ms = 10; @@ -221,23 +232,22 @@ opus_int silk_Encode( /* O Returns error co } else { /* Only accept input lengths that are a multiple of 10 ms */ if( nBlocksOf10ms * encControl->API_sampleRate != 100 * nSamplesIn || nSamplesIn < 0 ) { - silk_assert( 0 ); + celt_assert( 0 ); RESTORE_STACK; return SILK_ENC_INPUT_INVALID_NO_OF_SAMPLES; } /* Make sure no more than one packet can be produced */ if( 1000 * (opus_int32)nSamplesIn > encControl->payloadSize_ms * encControl->API_sampleRate ) { - silk_assert( 0 ); + celt_assert( 0 ); RESTORE_STACK; return SILK_ENC_INPUT_INVALID_NO_OF_SAMPLES; } } - TargetRate_bps = silk_RSHIFT32( encControl->bitRate, encControl->nChannelsInternal - 1 ); for( n = 0; n < encControl->nChannelsInternal; n++ ) { /* Force the side channel to the same rate as the mid */ opus_int force_fs_kHz = (n==1) ? psEnc->state_Fxx[0].sCmn.fs_kHz : 0; - if( ( ret = silk_control_encoder( &psEnc->state_Fxx[ n ], encControl, TargetRate_bps, psEnc->allowBandwidthSwitch, n, force_fs_kHz ) ) != 0 ) { + if( ( ret = silk_control_encoder( &psEnc->state_Fxx[ n ], encControl, psEnc->allowBandwidthSwitch, n, force_fs_kHz ) ) != 0 ) { silk_assert( 0 ); RESTORE_STACK; return ret; @@ -249,7 +259,7 @@ opus_int silk_Encode( /* O Returns error co } psEnc->state_Fxx[ n ].sCmn.inDTX = psEnc->state_Fxx[ n ].sCmn.useDTX; } - silk_assert( encControl->nChannelsInternal == 1 || psEnc->state_Fxx[ 0 ].sCmn.fs_kHz == psEnc->state_Fxx[ 1 ].sCmn.fs_kHz ); + celt_assert( encControl->nChannelsInternal == 1 || psEnc->state_Fxx[ 0 ].sCmn.fs_kHz == psEnc->state_Fxx[ 1 ].sCmn.fs_kHz ); /* Input buffering/resampling and encoding */ nSamplesToBufferMax = @@ -307,7 +317,7 @@ opus_int silk_Encode( /* O Returns error co } psEnc->state_Fxx[ 0 ].sCmn.inputBufIx += nSamplesToBuffer; } else { - silk_assert( encControl->nChannelsAPI == 1 && encControl->nChannelsInternal == 1 ); + celt_assert( encControl->nChannelsAPI == 1 && encControl->nChannelsInternal == 1 ); silk_memcpy(buf, samplesIn, nSamplesFromInput*sizeof(opus_int16)); ret += silk_resampler( &psEnc->state_Fxx[ 0 ].sCmn.resampler_state, &psEnc->state_Fxx[ 0 ].sCmn.inputBuf[ psEnc->state_Fxx[ 0 ].sCmn.inputBufIx + 2 ], buf, nSamplesFromInput ); @@ -323,8 +333,8 @@ opus_int silk_Encode( /* O Returns error co /* Silk encoder */ if( psEnc->state_Fxx[ 0 ].sCmn.inputBufIx >= psEnc->state_Fxx[ 0 ].sCmn.frame_length ) { /* Enough data in input buffer, so encode */ - silk_assert( psEnc->state_Fxx[ 0 ].sCmn.inputBufIx == psEnc->state_Fxx[ 0 ].sCmn.frame_length ); - silk_assert( encControl->nChannelsInternal == 1 || psEnc->state_Fxx[ 1 ].sCmn.inputBufIx == psEnc->state_Fxx[ 1 ].sCmn.frame_length ); + celt_assert( psEnc->state_Fxx[ 0 ].sCmn.inputBufIx == psEnc->state_Fxx[ 0 ].sCmn.frame_length ); + celt_assert( encControl->nChannelsInternal == 1 || psEnc->state_Fxx[ 1 ].sCmn.inputBufIx == psEnc->state_Fxx[ 1 ].sCmn.frame_length ); /* Deal with LBRR data */ if( psEnc->state_Fxx[ 0 ].sCmn.nFramesEncoded == 0 && !prefillFlag ) { @@ -416,7 +426,6 @@ opus_int silk_Encode( /* O Returns error co /* Reset side channel encoder memory for first frame with side coding */ if( psEnc->prev_decode_only_middle == 1 ) { silk_memset( &psEnc->state_Fxx[ 1 ].sShape, 0, sizeof( psEnc->state_Fxx[ 1 ].sShape ) ); - silk_memset( &psEnc->state_Fxx[ 1 ].sPrefilt, 0, sizeof( psEnc->state_Fxx[ 1 ].sPrefilt ) ); silk_memset( &psEnc->state_Fxx[ 1 ].sCmn.sNSQ, 0, sizeof( psEnc->state_Fxx[ 1 ].sCmn.sNSQ ) ); silk_memset( psEnc->state_Fxx[ 1 ].sCmn.prev_NLSFq_Q15, 0, sizeof( psEnc->state_Fxx[ 1 ].sCmn.prev_NLSFq_Q15 ) ); silk_memset( &psEnc->state_Fxx[ 1 ].sCmn.sLP.In_LP_State, 0, sizeof( psEnc->state_Fxx[ 1 ].sCmn.sLP.In_LP_State ) ); @@ -427,7 +436,7 @@ opus_int silk_Encode( /* O Returns error co psEnc->state_Fxx[ 1 ].sCmn.sNSQ.prev_gain_Q16 = 65536; psEnc->state_Fxx[ 1 ].sCmn.first_frame_after_reset = 1; } - silk_encode_do_VAD_Fxx( &psEnc->state_Fxx[ 1 ] ); + silk_encode_do_VAD_Fxx( &psEnc->state_Fxx[ 1 ], activity ); } else { psEnc->state_Fxx[ 1 ].sCmn.VAD_flags[ psEnc->state_Fxx[ 0 ].sCmn.nFramesEncoded ] = 0; } @@ -442,7 +451,7 @@ opus_int silk_Encode( /* O Returns error co silk_memcpy( psEnc->state_Fxx[ 0 ].sCmn.inputBuf, psEnc->sStereo.sMid, 2 * sizeof( opus_int16 ) ); silk_memcpy( psEnc->sStereo.sMid, &psEnc->state_Fxx[ 0 ].sCmn.inputBuf[ psEnc->state_Fxx[ 0 ].sCmn.frame_length ], 2 * sizeof( opus_int16 ) ); } - silk_encode_do_VAD_Fxx( &psEnc->state_Fxx[ 0 ] ); + silk_encode_do_VAD_Fxx( &psEnc->state_Fxx[ 0 ], activity ); /* Encode */ for( n = 0; n < encControl->nChannelsInternal; n++ ) { @@ -557,6 +566,10 @@ opus_int silk_Encode( /* O Returns error co } } + encControl->signalType = psEnc->state_Fxx[0].sCmn.indices.signalType; + encControl->offset = silk_Quantization_Offsets_Q10 + [ psEnc->state_Fxx[0].sCmn.indices.signalType >> 1 ] + [ psEnc->state_Fxx[0].sCmn.indices.quantOffsetType ]; RESTORE_STACK; return ret; } |