diff options
Diffstat (limited to 'libAACdec/src')
| -rw-r--r-- | libAACdec/src/aacdecoder.cpp | 39 |
1 files changed, 23 insertions, 16 deletions
diff --git a/libAACdec/src/aacdecoder.cpp b/libAACdec/src/aacdecoder.cpp index 7c16d2a..fcf51b5 100644 --- a/libAACdec/src/aacdecoder.cpp +++ b/libAACdec/src/aacdecoder.cpp @@ -1524,6 +1524,10 @@ CAacDecoder_Init(HANDLE_AACDECODER self, const CSAudioSpecificConfig *asc, where MAX_CHANNELS is (8*2) and MAX_TRACKS is 1 */ UINT elFlags[(3 * ((8) * 2) + (((8) * 2)) / 2 + 4 * (1) + 1)]; + UCHAR sbrEnabled = self->sbrEnabled; + UCHAR sbrEnabledPrev = self->sbrEnabledPrev; + UCHAR mpsEnableCurr = self->mpsEnableCurr; + if (!self) return AAC_DEC_INVALID_HANDLE; UCHAR downscaleFactor = self->downscaleFactor; @@ -1707,7 +1711,7 @@ CAacDecoder_Init(HANDLE_AACDECODER self, const CSAudioSpecificConfig *asc, asc->m_sc.m_usacConfig.m_usacNumElements; } - self->mpsEnableCurr = 0; + mpsEnableCurr = 0; for (int _el = 0; _el < (int)self->pUsacConfig[streamIndex]->m_usacNumElements; _el++) { @@ -1727,7 +1731,7 @@ CAacDecoder_Init(HANDLE_AACDECODER self, const CSAudioSpecificConfig *asc, self->usacStereoConfigIndex[el] = asc->m_sc.m_usacConfig.element[_el].m_stereoConfigIndex; if (self->elements[el] == ID_USAC_CPE) { - self->mpsEnableCurr |= self->usacStereoConfigIndex[el] ? 1 : 0; + mpsEnableCurr |= self->usacStereoConfigIndex[el] ? 1 : 0; } } @@ -1863,7 +1867,7 @@ CAacDecoder_Init(HANDLE_AACDECODER self, const CSAudioSpecificConfig *asc, self->useLdQmfTimeAlign = asc->m_sc.m_eldSpecificConfig.m_useLdQmfTimeAlign; } - if (self->sbrEnabled != asc->m_sbrPresentFlag) { + if (sbrEnabled != asc->m_sbrPresentFlag) { ascChanged = 1; } } @@ -1879,13 +1883,13 @@ CAacDecoder_Init(HANDLE_AACDECODER self, const CSAudioSpecificConfig *asc, flags |= (asc->m_sbrPresentFlag) ? AC_SBR_PRESENT : 0; flags |= (asc->m_psPresentFlag) ? AC_PS_PRESENT : 0; if (asc->m_sbrPresentFlag) { - self->sbrEnabled = 1; - self->sbrEnabledPrev = 1; + sbrEnabled = 1; + sbrEnabledPrev = 1; } else { - self->sbrEnabled = 0; - self->sbrEnabledPrev = 0; + sbrEnabled = 0; + sbrEnabledPrev = 0; } - if (self->sbrEnabled && asc->m_extensionSamplingFrequency) { + if (sbrEnabled && asc->m_extensionSamplingFrequency) { if (downscaleFactor != 1 && (downscaleFactor)&1) { return AAC_DEC_UNSUPPORTED_SAMPLINGRATE; /* SBR needs an even downscale factor */ @@ -1912,7 +1916,7 @@ CAacDecoder_Init(HANDLE_AACDECODER self, const CSAudioSpecificConfig *asc, flags |= (asc->m_hcrFlag) ? AC_ER_HCR : 0; if (asc->m_aot == AOT_ER_AAC_ELD) { - self->mpsEnableCurr = 0; + mpsEnableCurr = 0; flags |= AC_ELD; flags |= (asc->m_sbrPresentFlag) ? AC_SBR_PRESENT @@ -1923,7 +1927,7 @@ CAacDecoder_Init(HANDLE_AACDECODER self, const CSAudioSpecificConfig *asc, ? AC_MPS_PRESENT : 0; if (self->mpsApplicable) { - self->mpsEnableCurr = asc->m_sc.m_eldSpecificConfig.m_useLdQmfTimeAlign; + mpsEnableCurr = asc->m_sc.m_eldSpecificConfig.m_useLdQmfTimeAlign; } } flags |= (asc->m_aot == AOT_ER_AAC_LD) ? AC_LD : 0; @@ -2004,7 +2008,7 @@ CAacDecoder_Init(HANDLE_AACDECODER self, const CSAudioSpecificConfig *asc, /* set AC_USAC_SCFGI3 globally if any usac element uses */ switch (asc->m_aot) { case AOT_USAC: - if (self->sbrEnabled) { + if (sbrEnabled) { for (int _el = 0; _el < (int)self->pUsacConfig[streamIndex]->m_usacNumElements; _el++) { @@ -2041,7 +2045,7 @@ CAacDecoder_Init(HANDLE_AACDECODER self, const CSAudioSpecificConfig *asc, */ switch (asc->m_aot) { case AOT_USAC: - if (self->sbrEnabled) { + if (sbrEnabled) { const UCHAR map_sbrRatio_2_nAnaBands[] = {16, 24, 32}; FDK_ASSERT(asc->m_sc.m_usacConfig.m_sbrRatioIndex > 0); @@ -2069,11 +2073,11 @@ CAacDecoder_Init(HANDLE_AACDECODER self, const CSAudioSpecificConfig *asc, } break; case AOT_ER_AAC_ELD: - if (self->mpsEnableCurr && + if (mpsEnableCurr && asc->m_sc.m_eldSpecificConfig.m_useLdQmfTimeAlign) { - SAC_INPUT_CONFIG sac_interface = - (self->sbrEnabled && self->hSbrDecoder) ? SAC_INTERFACE_QMF - : SAC_INTERFACE_TIME; + SAC_INPUT_CONFIG sac_interface = (sbrEnabled && self->hSbrDecoder) + ? SAC_INTERFACE_QMF + : SAC_INTERFACE_TIME; mpegSurroundDecoder_ConfigureQmfDomain( (CMpegSurroundDecoder *)self->pMpegSurroundDecoder, sac_interface, (UINT)self->streamInfo.aacSampleRate, asc->m_aot); @@ -2428,6 +2432,9 @@ CAacDecoder_Init(HANDLE_AACDECODER self, const CSAudioSpecificConfig *asc, CAacDecoder_AcceptFlags(self, asc, flags, elFlags, streamIndex, elementOffset); + self->sbrEnabled = sbrEnabled; + self->sbrEnabledPrev = sbrEnabledPrev; + self->mpsEnableCurr = mpsEnableCurr; /* Update externally visible copy of flags */ self->streamInfo.flags = self->flags[0]; |