19     mozilla::MediaRawData* aSample, bool aAddSPS) {  in ConvertSampleToAnnexB()  argument
20   MOZ_ASSERT(aSample);  in ConvertSampleToAnnexB()
22   if (!IsAVCC(aSample)) {  in ConvertSampleToAnnexB()
25   MOZ_ASSERT(aSample->Data());  in ConvertSampleToAnnexB()
27   MOZ_TRY(ConvertSampleTo4BytesAVCC(aSample));  in ConvertSampleToAnnexB()
29   if (aSample->Size() < 4) {  in ConvertSampleToAnnexB()
34   BufferReader reader(aSample->Data(), aSample->Size());  in ConvertSampleToAnnexB()
55   UniquePtr<MediaRawDataWriter> samplewriter(aSample->CreateWriter());  in ConvertSampleToAnnexB()
62   if (aAddSPS && aSample->mKeyframe) {  in ConvertSampleToAnnexB()
64         ConvertExtraDataToAnnexB(aSample->mExtraData);  in ConvertSampleToAnnexB()
73     if (aSample->mCrypto.IsEncrypted()) {  in ConvertSampleToAnnexB()
74       if (aSample->mCrypto.mPlainSizes.Length() == 0) {  in ConvertSampleToAnnexB()
263 bool AnnexB::ConvertSampleToAVCC(mozilla::MediaRawData* aSample,  in ConvertSampleToAVCC()  argument
265   if (IsAVCC(aSample)) {  in ConvertSampleToAVCC()
266     return ConvertSampleTo4BytesAVCC(aSample).isOk();  in ConvertSampleToAVCC()
268   if (!IsAnnexB(aSample)) {  in ConvertSampleToAVCC()
275   BufferReader reader(aSample->Data(), aSample->Size());  in ConvertSampleToAVCC()
280   UniquePtr<MediaRawDataWriter> samplewriter(aSample->CreateWriter());  in ConvertSampleToAVCC()
286     aSample->mExtraData = aAVCCHeader;  in ConvertSampleToAVCC()
304   aSample->mExtraData = std::move(extradata);  in ConvertSampleToAVCC()
309     mozilla::MediaRawData* aSample) {  in ConvertSampleTo4BytesAVCC()  argument
310   MOZ_ASSERT(IsAVCC(aSample));  in ConvertSampleTo4BytesAVCC()
312   int nalLenSize = ((*aSample->mExtraData)[4] & 3) + 1;  in ConvertSampleTo4BytesAVCC()
319   BufferReader reader(aSample->Data(), aSample->Size());  in ConvertSampleTo4BytesAVCC()
344   UniquePtr<MediaRawDataWriter> samplewriter(aSample->CreateWriter());  in ConvertSampleTo4BytesAVCC()
351 bool AnnexB::IsAVCC(const mozilla::MediaRawData* aSample) {  in IsAVCC()  argument
352   return aSample->Size() >= 3 && aSample->mExtraData &&  in IsAVCC()
353          aSample->mExtraData->Length() >= 7 && (*aSample->mExtraData)[0] == 1;  in IsAVCC()
356 bool AnnexB::IsAnnexB(const mozilla::MediaRawData* aSample) {  in IsAnnexB()  argument
357   if (aSample->Size() < 4) {  in IsAnnexB()
360   uint32_t header = mozilla::BigEndian::readUint32(aSample->Data());  in IsAnnexB()