diff options
Diffstat (limited to 'dom/media/encoder/fmp4_muxer/AMRBox.cpp')
-rw-r--r-- | dom/media/encoder/fmp4_muxer/AMRBox.cpp | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/dom/media/encoder/fmp4_muxer/AMRBox.cpp b/dom/media/encoder/fmp4_muxer/AMRBox.cpp new file mode 100644 index 000000000..cd1a34fae --- /dev/null +++ b/dom/media/encoder/fmp4_muxer/AMRBox.cpp @@ -0,0 +1,84 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-*/ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this file, + * You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "ISOControl.h" +#include "ISOMediaBoxes.h" +#include "AMRBox.h" +#include "ISOTrackMetadata.h" + +namespace mozilla { + +nsresult +AMRSampleEntry::Generate(uint32_t* aBoxSize) +{ + uint32_t box_size; + nsresult rv = amr_special_box->Generate(&box_size); + NS_ENSURE_SUCCESS(rv, rv); + size += box_size; + + *aBoxSize = size; + return NS_OK; +} + +nsresult +AMRSampleEntry::Write() +{ + BoxSizeChecker checker(mControl, size); + nsresult rv; + rv = AudioSampleEntry::Write(); + NS_ENSURE_SUCCESS(rv, rv); + rv = amr_special_box->Write(); + NS_ENSURE_SUCCESS(rv, rv); + + return NS_OK; +} + +AMRSampleEntry::AMRSampleEntry(ISOControl* aControl) + : AudioSampleEntry(NS_LITERAL_CSTRING("samr"), aControl) +{ + amr_special_box = new AMRSpecificBox(aControl); + MOZ_COUNT_CTOR(AMRSampleEntry); +} + +AMRSampleEntry::~AMRSampleEntry() +{ + MOZ_COUNT_DTOR(AMRSampleEntry); +} + +nsresult +AMRSpecificBox::Generate(uint32_t* aBoxSize) +{ + nsresult rv; + FragmentBuffer* frag = mControl->GetFragment(Audio_Track); + rv = frag->GetCSD(amrDecSpecInfo); + NS_ENSURE_SUCCESS(rv, rv); + + size += amrDecSpecInfo.Length(); + *aBoxSize = size; + + return NS_OK; +} + +nsresult +AMRSpecificBox::Write() +{ + BoxSizeChecker checker(mControl, size); + Box::Write(); + mControl->Write(amrDecSpecInfo.Elements(), amrDecSpecInfo.Length()); + return NS_OK; +} + +AMRSpecificBox::AMRSpecificBox(ISOControl* aControl) + : Box(NS_LITERAL_CSTRING("damr"), aControl) +{ + MOZ_COUNT_CTOR(AMRSpecificBox); +} + +AMRSpecificBox::~AMRSpecificBox() +{ + MOZ_COUNT_DTOR(AMRSpecificBox); +} + +} |