diff options
Diffstat (limited to 'media/libstagefright/codecs/mp3dec/SoftMP3.cpp')
| -rw-r--r-- | media/libstagefright/codecs/mp3dec/SoftMP3.cpp | 46 |
1 files changed, 42 insertions, 4 deletions
diff --git a/media/libstagefright/codecs/mp3dec/SoftMP3.cpp b/media/libstagefright/codecs/mp3dec/SoftMP3.cpp index 4c4da60..005956d 100644 --- a/media/libstagefright/codecs/mp3dec/SoftMP3.cpp +++ b/media/libstagefright/codecs/mp3dec/SoftMP3.cpp @@ -122,6 +122,17 @@ void SoftMP3::initDecoder() { mIsFirst = true; } +void *SoftMP3::memsetSafe(OMX_BUFFERHEADERTYPE *outHeader, int c, size_t len) { + if (len > outHeader->nAllocLen) { + ALOGE("memset buffer too small: got %u, expected %zu", outHeader->nAllocLen, len); + android_errorWriteLog(0x534e4554, "29422022"); + notify(OMX_EventError, OMX_ErrorUndefined, OUTPUT_BUFFER_TOO_SMALL, NULL); + mSignalledError = true; + return NULL; + } + return memset(outHeader->pBuffer, c, len); +} + OMX_ERRORTYPE SoftMP3::internalGetParameter( OMX_INDEXTYPE index, OMX_PTR params) { switch (index) { @@ -130,6 +141,10 @@ OMX_ERRORTYPE SoftMP3::internalGetParameter( OMX_AUDIO_PARAM_PCMMODETYPE *pcmParams = (OMX_AUDIO_PARAM_PCMMODETYPE *)params; + if (!isValidOMXParam(pcmParams)) { + return OMX_ErrorBadParameter; + } + if (pcmParams->nPortIndex > 1) { return OMX_ErrorUndefined; } @@ -153,6 +168,10 @@ OMX_ERRORTYPE SoftMP3::internalGetParameter( OMX_AUDIO_PARAM_MP3TYPE *mp3Params = (OMX_AUDIO_PARAM_MP3TYPE *)params; + if (!isValidOMXParam(mp3Params)) { + return OMX_ErrorBadParameter; + } + if (mp3Params->nPortIndex > 1) { return OMX_ErrorUndefined; } @@ -178,6 +197,10 @@ OMX_ERRORTYPE SoftMP3::internalSetParameter( const OMX_PARAM_COMPONENTROLETYPE *roleParams = (const OMX_PARAM_COMPONENTROLETYPE *)params; + if (!isValidOMXParam(roleParams)) { + return OMX_ErrorBadParameter; + } + if (strncmp((const char *)roleParams->cRole, "audio_decoder.mp3", OMX_MAX_STRINGNAME_SIZE - 1)) { @@ -192,6 +215,10 @@ OMX_ERRORTYPE SoftMP3::internalSetParameter( const OMX_AUDIO_PARAM_PCMMODETYPE *pcmParams = (const OMX_AUDIO_PARAM_PCMMODETYPE *)params; + if (!isValidOMXParam(pcmParams)) { + return OMX_ErrorBadParameter; + } + if (pcmParams->nPortIndex != 1) { return OMX_ErrorUndefined; } @@ -262,6 +289,14 @@ void SoftMP3::onQueueFilled(OMX_U32 /* portIndex */) { mConfig->inputBufferUsedLength = 0; mConfig->outputFrameSize = kOutputBufferSize / sizeof(int16_t); + if ((int32)outHeader->nAllocLen < mConfig->outputFrameSize) { + ALOGE("input buffer too small: got %u, expected %u", + outHeader->nAllocLen, mConfig->outputFrameSize); + android_errorWriteLog(0x534e4554, "27793371"); + notify(OMX_EventError, OMX_ErrorUndefined, OUTPUT_BUFFER_TOO_SMALL, NULL); + mSignalledError = true; + return; + } mConfig->pOutputBuffer = reinterpret_cast<int16_t *>(outHeader->pBuffer); @@ -294,7 +329,10 @@ void SoftMP3::onQueueFilled(OMX_U32 /* portIndex */) { outHeader->nOffset = 0; outHeader->nFilledLen = kPVMP3DecoderDelay * mNumChannels * sizeof(int16_t); - memset(outHeader->pBuffer, 0, outHeader->nFilledLen); + if (!memsetSafe(outHeader, 0, outHeader->nFilledLen)) { + return; + } + } outHeader->nFlags = OMX_BUFFERFLAG_EOS; mSignalledOutputEos = true; @@ -306,9 +344,9 @@ void SoftMP3::onQueueFilled(OMX_U32 /* portIndex */) { // if mIsFirst is true as we may not have a valid // mConfig->samplingRate and mConfig->num_channels? ALOGV_IF(mIsFirst, "insufficient data for first frame, sending silence"); - memset(outHeader->pBuffer, - 0, - mConfig->outputFrameSize * sizeof(int16_t)); + if (!memsetSafe(outHeader, 0, mConfig->outputFrameSize * sizeof(int16_t))) { + return; + } if (inHeader) { mConfig->inputBufferUsedLength = inHeader->nFilledLen; |