diff options
Diffstat (limited to 'libAACdec/src/aacdecoder.cpp')
| -rw-r--r-- | libAACdec/src/aacdecoder.cpp | 37 |
1 files changed, 32 insertions, 5 deletions
diff --git a/libAACdec/src/aacdecoder.cpp b/libAACdec/src/aacdecoder.cpp index 8270f69..579e470 100644 --- a/libAACdec/src/aacdecoder.cpp +++ b/libAACdec/src/aacdecoder.cpp @@ -157,6 +157,7 @@ amm-info@iis.fraunhofer.de #include "conceal.h" + #include "FDK_crc.h" void CAacDecoder_SyncQmfMode(HANDLE_AACDECODER self) @@ -537,8 +538,9 @@ AAC_DECODER_ERROR CAacDecoder_ExtPayloadParse (HANDLE_AACDECODER self, previous_element, elIndex, self->flags & AC_INDEP ); - /* Enable SBR for implicit SBR signalling. */ - if (sbrError == SBRDEC_OK) { + /* Enable SBR for implicit SBR signalling but only if no severe error happend. */ + if ( (sbrError == SBRDEC_OK) + || (sbrError == SBRDEC_PARSE_ERROR) ) { self->sbrEnabled = 1; } } else { @@ -553,7 +555,7 @@ AAC_DECODER_ERROR CAacDecoder_ExtPayloadParse (HANDLE_AACDECODER self, FDKpushBiDirectional(hBs, *count); *count = 0; } else { - /* If this is not a fill element with a known length, we are screwed an no further parsing makes sense. */ + /* If this is not a fill element with a known length, we are screwed and further parsing makes no sense. */ if (sbrError != SBRDEC_OK) { self->frameOK = 0; } @@ -832,12 +834,18 @@ LINKSPEC_CPP AAC_DECODER_ERROR CAacDecoder_Init(HANDLE_AACDECODER self, const CS switch (asc->m_aot) { case AOT_AAC_LC: self->streamInfo.profile = 1; - break; + + case AOT_ER_AAC_SCAL: + if (asc->m_sc.m_gaSpecificConfig.m_layer > 0) { + /* aac_scalable_extension_element() currently not supported. */ + return AAC_DEC_UNSUPPORTED_FORMAT; + } case AOT_SBR: case AOT_PS: case AOT_ER_AAC_LD: case AOT_ER_AAC_ELD: + case AOT_DRM_AAC: break; default: @@ -957,11 +965,20 @@ LINKSPEC_CPP AAC_DECODER_ERROR CAacDecoder_Init(HANDLE_AACDECODER self, const CS if (asc->m_aot == AOT_ER_AAC_ELD) { self->flags |= AC_ELD; + self->flags |= (asc->m_sbrPresentFlag) ? AC_SBR_PRESENT : 0; /* Need to set the SBR flag for backward-compatibility + reasons. Even if SBR is not supported. */ self->flags |= (asc->m_sc.m_eldSpecificConfig.m_sbrCrcFlag) ? AC_SBRCRC : 0; self->flags |= (asc->m_sc.m_eldSpecificConfig.m_useLdQmfTimeAlign) ? AC_LD_MPS : 0; } self->flags |= (asc->m_aot == AOT_ER_AAC_LD) ? AC_LD : 0; self->flags |= (asc->m_epConfig >= 0) ? AC_ER : 0; + if ( asc->m_aot == AOT_DRM_AAC ) { + self->flags |= AC_DRM|AC_SBRCRC|AC_SCALABLE; + } + if ( (asc->m_aot == AOT_AAC_SCAL) + || (asc->m_aot == AOT_ER_AAC_SCAL) ) { + self->flags |= AC_SCALABLE; + } if (asc->m_sbrPresentFlag) { @@ -1147,6 +1164,9 @@ LINKSPEC_CPP AAC_DECODER_ERROR CAacDecoder_DecodeFrame( /* Check sampling frequency */ switch ( self->streamInfo.aacSampleRate ) { + case 96000: + case 88200: + case 64000: case 16000: case 12000: case 11025: @@ -1475,7 +1495,7 @@ LINKSPEC_CPP AAC_DECODER_ERROR CAacDecoder_DecodeFrame( /* get the remaining bits of this frame */ bitCnt = transportDec_GetAuBitsRemaining(self->hInput, 0); - if ( (bitCnt > 0) && (self->flags & AC_SBR_PRESENT) && (self->flags & (AC_USAC|AC_RSVD50|AC_ELD)) ) + if ( (bitCnt > 0) && (self->flags & AC_SBR_PRESENT) && (self->flags & (AC_USAC|AC_RSVD50|AC_ELD|AC_DRM)) ) { SBR_ERROR err = SBRDEC_OK; int elIdx, numChElements = el_cnt[ID_SCE] + el_cnt[ID_CPE]; @@ -1513,6 +1533,13 @@ LINKSPEC_CPP AAC_DECODER_ERROR CAacDecoder_DecodeFrame( } + if (self->flags & AC_DRM) + { + if ((bitCnt = (INT)FDKgetValidBits(bs)) != 0) { + FDKpushBiDirectional(bs, bitCnt); + } + } + if ( ! (self->flags & (AC_USAC|AC_RSVD50|AC_DRM)) ) { while ( bitCnt > 7 ) { |