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Diffstat (limited to 'media/libstagefright/webm/WebmElement.h')
-rw-r--r-- | media/libstagefright/webm/WebmElement.h | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/media/libstagefright/webm/WebmElement.h b/media/libstagefright/webm/WebmElement.h new file mode 100644 index 0000000..f19933e --- /dev/null +++ b/media/libstagefright/webm/WebmElement.h @@ -0,0 +1,127 @@ +/* + * Copyright (C) 2014 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef WEBMELEMENT_H_ +#define WEBMELEMENT_H_ + +#include <media/stagefright/MediaBuffer.h> +#include <media/stagefright/foundation/ABase.h> +#include <media/stagefright/foundation/ABuffer.h> +#include <utils/List.h> + +namespace android { + +struct WebmElement : public LightRefBase<WebmElement> { + const uint64_t mId, mSize; + + WebmElement(uint64_t id, uint64_t size); + virtual ~WebmElement(); + + virtual int serializePayloadSize(uint8_t *buf); + virtual void serializePayload(uint8_t *buf)=0; + uint64_t totalSize(); + uint64_t serializeInto(uint8_t *buf); + uint8_t *serialize(uint64_t& size); + int write(int fd, uint64_t& size); + + static sp<WebmElement> EbmlHeader( + int ver = 1, + int readVer = 1, + int maxIdLen = 4, + int maxSizeLen = 8, + int docVer = 2, + int docReadVer = 2); + + static sp<WebmElement> SegmentInfo(uint64_t scale = 1000000, double dur = 0); + + static sp<WebmElement> AudioTrackEntry( + int chans, + double rate, + const sp<ABuffer> &buf, + int bps = 0, + uint64_t uid = 0, + bool lacing = false, + const char *lang = "und"); + + static sp<WebmElement> VideoTrackEntry( + uint64_t width, + uint64_t height, + uint64_t uid = 0, + bool lacing = false, + const char *lang = "und"); + + static sp<WebmElement> SeekEntry(uint64_t id, uint64_t off); + static sp<WebmElement> CuePointEntry(uint64_t time, int track, uint64_t off); + static sp<WebmElement> SimpleBlock( + int trackNum, + int16_t timecode, + bool key, + const uint8_t *data, + uint64_t dataSize); +}; + +struct WebmUnsigned : public WebmElement { + WebmUnsigned(uint64_t id, uint64_t value); + const uint64_t mValue; + void serializePayload(uint8_t *buf); +}; + +struct WebmFloat : public WebmElement { + const double mValue; + WebmFloat(uint64_t id, float value); + WebmFloat(uint64_t id, double value); + void serializePayload(uint8_t *buf); +}; + +struct WebmBinary : public WebmElement { + const sp<ABuffer> mRef; + WebmBinary(uint64_t id, const sp<ABuffer> &ref); + void serializePayload(uint8_t *buf); +}; + +struct WebmString : public WebmElement { + const char *const mStr; + WebmString(uint64_t id, const char *str); + void serializePayload(uint8_t *buf); +}; + +struct WebmSimpleBlock : public WebmElement { + const int mTrackNum; + const int16_t mRelTimecode; + const bool mKey; + const sp<ABuffer> mRef; + + WebmSimpleBlock(int trackNum, int16_t timecode, bool key, const sp<ABuffer>& orig); + void serializePayload(uint8_t *buf); +}; + +struct EbmlVoid : public WebmElement { + const uint64_t mSizeWidth; + EbmlVoid(uint64_t totalSize); + int serializePayloadSize(uint8_t *buf); + void serializePayload(uint8_t *buf); +}; + +struct WebmMaster : public WebmElement { + const List<sp<WebmElement> > mChildren; + WebmMaster(uint64_t id); + WebmMaster(uint64_t id, const List<sp<WebmElement> > &children); + int serializePayloadSize(uint8_t *buf); + void serializePayload(uint8_t *buf); +}; + +} /* namespace android */ +#endif /* WEBMELEMENT_H_ */ |