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author | Matthias P. Braendli <matthias.braendli@mpb.li> | 2019-03-04 15:52:49 +0100 |
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committer | Matthias P. Braendli <matthias.braendli@mpb.li> | 2019-03-04 15:52:49 +0100 |
commit | c7f9c2d1d996ac8f67927e9c86b907196ca6a72d (patch) | |
tree | a2dcc8e8cd3df5628f43242243fd475562ea4082 /libMpegTPDec/src | |
parent | f665ac21b355ebc74c951c09b4774936a74fdca0 (diff) | |
parent | 95858d7bd36f19bde4a9595e2bd68f195215b164 (diff) | |
download | fdk-aac-c7f9c2d1d996ac8f67927e9c86b907196ca6a72d.tar.gz fdk-aac-c7f9c2d1d996ac8f67927e9c86b907196ca6a72d.tar.bz2 fdk-aac-c7f9c2d1d996ac8f67927e9c86b907196ca6a72d.zip |
Merge remote-tracking branch 'mstorjo/master' into dabplus2
Diffstat (limited to 'libMpegTPDec/src')
-rw-r--r-- | libMpegTPDec/src/tpdec_adts.cpp | 19 | ||||
-rw-r--r-- | libMpegTPDec/src/tpdec_asc.cpp | 60 | ||||
-rw-r--r-- | libMpegTPDec/src/tpdec_lib.cpp | 15 |
3 files changed, 76 insertions, 18 deletions
diff --git a/libMpegTPDec/src/tpdec_adts.cpp b/libMpegTPDec/src/tpdec_adts.cpp index d6fac21..1a4e3fd 100644 --- a/libMpegTPDec/src/tpdec_adts.cpp +++ b/libMpegTPDec/src/tpdec_adts.cpp @@ -180,7 +180,8 @@ TRANSPORTDEC_ERROR adtsRead_DecodeHeader(HANDLE_ADTS pAdts, have channelConfig=0 and no PCE in this frame. */ FDKmemcpy(&oldPce, &pAsc->m_progrConfigElement, sizeof(CProgramConfig)); - valBits = FDKgetValidBits(hBs); + valBits = FDKgetValidBits(hBs) + ADTS_SYNCLENGTH; + if (valBits < ADTS_HEADERLENGTH) { return TRANSPORTDEC_NOT_ENOUGH_BITS; } @@ -208,6 +209,10 @@ TRANSPORTDEC_ERROR adtsRead_DecodeHeader(HANDLE_ADTS pAdts, adtsHeaderLength = ADTS_HEADERLENGTH; + if (valBits < bs.frame_length * 8) { + goto bail; + } + if (!bs.protection_absent) { FDKcrcReset(&pAdts->crcInfo); FDKpushBack(hBs, 56); /* complete fixed and variable header! */ @@ -216,6 +221,9 @@ TRANSPORTDEC_ERROR adtsRead_DecodeHeader(HANDLE_ADTS pAdts, } if (!bs.protection_absent && bs.num_raw_blocks > 0) { + if ((INT)FDKgetValidBits(hBs) < bs.num_raw_blocks * 16) { + goto bail; + } for (i = 0; i < bs.num_raw_blocks; i++) { pAdts->rawDataBlockDist[i] = (USHORT)FDKreadBits(hBs, 16); adtsHeaderLength += 16; @@ -233,6 +241,11 @@ TRANSPORTDEC_ERROR adtsRead_DecodeHeader(HANDLE_ADTS pAdts, USHORT crc_check; FDKcrcEndReg(&pAdts->crcInfo, hBs, crcReg); + + if ((INT)FDKgetValidBits(hBs) < Adts_Length_CrcCheck) { + goto bail; + } + crc_check = FDKreadBits(hBs, Adts_Length_CrcCheck); adtsHeaderLength += Adts_Length_CrcCheck; @@ -346,6 +359,10 @@ TRANSPORTDEC_ERROR adtsRead_DecodeHeader(HANDLE_ADTS pAdts, FDKmemcpy(&pAdts->bs, &bs, sizeof(STRUCT_ADTS_BS)); return TRANSPORTDEC_OK; + +bail: + FDKpushBack(hBs, adtsHeaderLength); + return TRANSPORTDEC_NOT_ENOUGH_BITS; } int adtsRead_GetRawDataBlockLength(HANDLE_ADTS pAdts, INT blockNum) { diff --git a/libMpegTPDec/src/tpdec_asc.cpp b/libMpegTPDec/src/tpdec_asc.cpp index b0f1c6a..28bc22d 100644 --- a/libMpegTPDec/src/tpdec_asc.cpp +++ b/libMpegTPDec/src/tpdec_asc.cpp @@ -139,7 +139,7 @@ static const MP4_ELEMENT_ID channel_configuration_13[] = { ID_SCE, ID_CPE, ID_CPE, ID_CPE, ID_CPE, ID_SCE, ID_LFE, ID_LFE, ID_SCE, ID_CPE, ID_CPE, ID_SCE, ID_CPE, ID_SCE, ID_SCE, ID_CPE, ID_NONE}; static const MP4_ELEMENT_ID channel_configuration_14[] = { - ID_SCE, ID_CPE, ID_CPE, ID_LAST, ID_CPE, ID_NONE}; + ID_SCE, ID_CPE, ID_CPE, ID_LFE, ID_CPE, ID_NONE}; static const MP4_ELEMENT_ID *channel_configuration_array[] = { channel_configuration_0, channel_configuration_1, @@ -467,6 +467,7 @@ void CProgramConfig_GetDefault(CProgramConfig *pPce, const UINT channelConfig) { pPce->BackElementIsCpe[1] = 1; pPce->NumChannels += 1; pPce->NumEffectiveChannels += 1; + FDK_FALLTHROUGH; case 11: /* 3/0/3.1ch */ pPce->NumFrontChannelElements += 2; pPce->FrontElementIsCpe[0] = 0; @@ -482,25 +483,30 @@ void CProgramConfig_GetDefault(CProgramConfig *pPce, const UINT channelConfig) { /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ case 14: /* 2/0/0-3/0/2-0.1ch front height */ pPce->FrontElementHeightInfo[2] = 1; /* Top speaker */ - case 7: /* 5/0/2.1ch front */ + FDK_FALLTHROUGH; + case 7: /* 5/0/2.1ch front */ pPce->NumFrontChannelElements += 1; pPce->FrontElementIsCpe[2] = 1; pPce->NumChannels += 2; pPce->NumEffectiveChannels += 2; + FDK_FALLTHROUGH; case 6: /* 3/0/2.1ch */ pPce->NumLfeChannelElements += 1; pPce->NumChannels += 1; + FDK_FALLTHROUGH; case 5: /* 3/0/2.0ch */ case 4: /* 3/0/1.0ch */ pPce->NumBackChannelElements += 1; pPce->BackElementIsCpe[0] = (channelConfig > 4) ? 1 : 0; pPce->NumChannels += (channelConfig > 4) ? 2 : 1; pPce->NumEffectiveChannels += (channelConfig > 4) ? 2 : 1; + FDK_FALLTHROUGH; case 3: /* 3/0/0.0ch */ pPce->NumFrontChannelElements += 1; pPce->FrontElementIsCpe[1] = 1; pPce->NumChannels += 2; pPce->NumEffectiveChannels += 2; + FDK_FALLTHROUGH; case 1: /* 1/0/0.0ch */ pPce->NumFrontChannelElements += 1; pPce->FrontElementIsCpe[0] = 0; @@ -713,6 +719,7 @@ int CProgramConfig_LookupElement(CProgramConfig *pPce, UINT channelConfig, switch (elType) { case ID_CPE: isCpe = 1; + FDK_FALLTHROUGH; case ID_SCE: /* search in front channels */ for (i = 0; i < pPce->NumFrontChannelElements; i++) { @@ -1293,7 +1300,11 @@ static INT ld_sbr_header(CSAudioSpecificConfig *asc, const INT dsFactor, /* read elements of the passed channel_configuration until there is ID_NONE */ while ((element = channel_configuration_array[channelConfiguration][j]) != ID_NONE) { - if (element == ID_SCE || element == ID_CPE) { + /* Setup LFE element for upsampling too. This is essential especially for + * channel configs where the LFE element is not at the last position for + * example in channel config 13 or 14. It leads to memory leaks if the setup + * of the LFE element would be done later in the core. */ + if (element == ID_SCE || element == ID_CPE || element == ID_LFE) { error |= cb->cbSbr( cb->cbSbrData, hBs, asc->m_samplingFrequency / dsFactor, asc->m_extensionSamplingFrequency / dsFactor, @@ -1402,17 +1413,23 @@ static TRANSPORTDEC_ERROR EldSpecificConfig_Parse(CSAudioSpecificConfig *asc, esc->m_useLdQmfTimeAlign = 1; if (cb->cbSsc != NULL) { ErrorStatus = (TRANSPORTDEC_ERROR)cb->cbSsc( - cb->cbSscData, hBs, asc->m_aot, asc->m_extensionSamplingFrequency, + cb->cbSscData, hBs, asc->m_aot, + asc->m_samplingFrequency << esc->m_sbrSamplingRate, + asc->m_samplesPerFrame << esc->m_sbrSamplingRate, 1, /* stereoConfigIndex */ -1, /* nTimeSlots: read from bitstream */ eldExtLen, asc->configMode, &asc->SacConfigChanged); if (ErrorStatus != TRANSPORTDEC_OK) { return TRANSPORTDEC_PARSE_ERROR; } + if (esc->m_downscaledSamplingFrequency != asc->m_samplingFrequency) { + return TRANSPORTDEC_UNSUPPORTED_FORMAT; /* ELDv2 w/ ELD downscaled + mode not allowed */ + } break; } - /* fall-through */ + FDK_FALLTHROUGH; default: for (cnt = 0; cnt < eldExtLen; cnt++) { FDKreadBits(hBs, 8); @@ -1430,6 +1447,10 @@ static TRANSPORTDEC_ERROR EldSpecificConfig_Parse(CSAudioSpecificConfig *asc, if (downscale_fill_nibble != 0x0) { return TRANSPORTDEC_PARSE_ERROR; } + if (esc->m_useLdQmfTimeAlign == 1) { + return TRANSPORTDEC_UNSUPPORTED_FORMAT; /* ELDv2 w/ ELD downscaled + mode not allowed */ + } break; } } @@ -1793,9 +1814,16 @@ static TRANSPORTDEC_ERROR UsacRsv60DecoderConfig_Parse( if (usc->element[i].m_stereoConfigIndex > 0) { if (cb->cbSsc != NULL) { + int samplesPerFrame = asc->m_samplesPerFrame; + + if (usc->m_sbrRatioIndex == 1) samplesPerFrame <<= 2; + if (usc->m_sbrRatioIndex == 2) + samplesPerFrame = (samplesPerFrame * 8) / 3; + if (usc->m_sbrRatioIndex == 3) samplesPerFrame <<= 1; + /* Mps212Config() ISO/IEC FDIS 23003-3 */ if (cb->cbSsc(cb->cbSscData, hBs, asc->m_aot, - asc->m_extensionSamplingFrequency, + asc->m_extensionSamplingFrequency, samplesPerFrame, usc->element[i].m_stereoConfigIndex, usc->m_coreSbrFrameLengthIndex, 0, /* don't know the length */ @@ -2022,6 +2050,7 @@ static TRANSPORTDEC_ERROR AudioSpecificConfig_ExtensionParse( break; case ASCEXT_MPS: /* 0x76a */ if (self->m_extensionAudioObjectType == AOT_MPEGS) break; + FDK_FALLTHROUGH; case ASCEXT_LDMPS: /* 0x7cc */ if ((ascExtId == ASCEXT_LDMPS) && (self->m_extensionAudioObjectType == AOT_LD_MPEGS)) @@ -2102,7 +2131,9 @@ TRANSPORTDEC_ERROR AudioSpecificConfig_Parse( self->m_aot = getAOT(bs); self->m_samplingFrequency = getSampleRate(bs, &self->m_samplingFrequencyIndex, 4); - if (self->m_samplingFrequency <= 0) { + if (self->m_samplingFrequency <= 0 || + (self->m_samplingFrequency > 96000 && self->m_aot != 39) || + self->m_samplingFrequency > 4 * 96000) { return TRANSPORTDEC_PARSE_ERROR; } @@ -2159,8 +2190,9 @@ TRANSPORTDEC_ERROR AudioSpecificConfig_Parse( case AOT_MPEGS: if (cb->cbSsc != NULL) { if (cb->cbSsc(cb->cbSscData, bs, self->m_aot, self->m_samplingFrequency, - 1, -1, /* nTimeSlots: read from bitstream */ - 0, /* don't know the length */ + self->m_samplesPerFrame, 1, + -1, /* nTimeSlots: read from bitstream */ + 0, /* don't know the length */ self->configMode, &self->SacConfigChanged)) { return TRANSPORTDEC_UNSUPPORTED_FORMAT; } @@ -2343,10 +2375,17 @@ static TRANSPORTDEC_ERROR Drm_xHEAACDecoderConfig( /*usc->element[elemIdx].m_stereoConfigIndex =*/FDKreadBits(hBs, 2); if (usc->element[elemIdx].m_stereoConfigIndex > 0) { if (cb->cbSsc != NULL) { + int samplesPerFrame = asc->m_samplesPerFrame; + + if (usc->m_sbrRatioIndex == 1) samplesPerFrame <<= 2; + if (usc->m_sbrRatioIndex == 2) + samplesPerFrame = (samplesPerFrame * 8) / 3; + if (usc->m_sbrRatioIndex == 3) samplesPerFrame <<= 1; + ErrorStatus = (TRANSPORTDEC_ERROR)cb->cbSsc( cb->cbSscData, hBs, AOT_DRM_USAC, /* syntax differs from MPEG Mps212Config() */ - asc->m_extensionSamplingFrequency, + asc->m_extensionSamplingFrequency, samplesPerFrame, usc->element[elemIdx].m_stereoConfigIndex, usc->m_coreSbrFrameLengthIndex, 0, /* don't know the length */ asc->configMode, &asc->SacConfigChanged); @@ -2496,6 +2535,7 @@ TRANSPORTDEC_ERROR DrmRawSdcAudioConfig_Parse( switch (audioMode) { case 1: /* parametric stereo */ self->m_psPresentFlag = 1; + FDK_FALLTHROUGH; case 0: /* mono */ self->m_channelConfiguration = 1; break; diff --git a/libMpegTPDec/src/tpdec_lib.cpp b/libMpegTPDec/src/tpdec_lib.cpp index 1d8b7b3..1976cb9 100644 --- a/libMpegTPDec/src/tpdec_lib.cpp +++ b/libMpegTPDec/src/tpdec_lib.cpp @@ -736,9 +736,9 @@ static TRANSPORTDEC_ERROR transportDec_AdjustEndOfAccessUnit( hTp->parser.latm.m_audioMuxLengthBytes > 0) { int loasOffset; - loasOffset = (hTp->parser.latm.m_audioMuxLengthBytes * 8 + - FDKgetValidBits(hBs)) - - hTp->globalFramePos; + loasOffset = ((INT)hTp->parser.latm.m_audioMuxLengthBytes * 8 + + (INT)FDKgetValidBits(hBs)) - + (INT)hTp->globalFramePos; if (loasOffset != 0) { FDKpushBiDirectional(hBs, loasOffset); /* For ELD and other payloads there is an unknown amount of padding, @@ -871,7 +871,7 @@ static TRANSPORTDEC_ERROR transportDec_readHeader( int fConfigFound = (pfConfigFound != NULL) ? *pfConfigFound : 0; int startPos; - startPos = FDKgetValidBits(hBs); + startPos = (INT)FDKgetValidBits(hBs); switch (hTp->transportFmt) { case TT_MP4_ADTS: @@ -941,7 +941,7 @@ static TRANSPORTDEC_ERROR transportDec_readHeader( fTraverseMoreFrames = 0; } syncLayerFrameBits = (hTp->parser.adts.bs.frame_length << 3) - - ((INT)startPos - (INT)FDKgetValidBits(hBs)) - + (startPos - (INT)FDKgetValidBits(hBs)) - syncLength; if (syncLayerFrameBits <= 0) { err = TRANSPORTDEC_SYNC_ERROR; @@ -952,10 +952,11 @@ static TRANSPORTDEC_ERROR transportDec_readHeader( break; case TT_MP4_LOAS: if (hTp->numberOfRawDataBlocks <= 0) { - syncLayerFrameBits = FDKreadBits(hBs, 13); + syncLayerFrameBits = (INT)FDKreadBits(hBs, 13); hTp->parser.latm.m_audioMuxLengthBytes = syncLayerFrameBits; syncLayerFrameBits <<= 3; } + FDK_FALLTHROUGH; case TT_MP4_LATM_MCP1: case TT_MP4_LATM_MCP0: if (hTp->numberOfRawDataBlocks <= 0) { @@ -974,7 +975,7 @@ static TRANSPORTDEC_ERROR transportDec_readHeader( hTp->numberOfRawDataBlocks = CLatmDemux_GetNrOfSubFrames(&hTp->parser.latm); if (hTp->transportFmt == TT_MP4_LOAS) { - syncLayerFrameBits -= startPos - FDKgetValidBits(hBs) - (13); + syncLayerFrameBits -= startPos - (INT)FDKgetValidBits(hBs) - (13); } } } else { |