mirror of
https://github.com/mozilla/gecko-dev.git
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165 lines
4.1 KiB
C++
165 lines
4.1 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#if !defined(MPAPI_h_)
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#define MPAPI_h_
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#include <stdint.h>
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namespace MPAPI {
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enum ColorFormat {
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YCbCr,
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RGB565
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};
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/*
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* A callback for the plugin to use to request a buffer owned by gecko. This can
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* save us a copy or two down the line.
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*/
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class BufferCallback {
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public:
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virtual void *operator()(size_t aWidth, size_t aHeight,
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ColorFormat aColorFormat) = 0;
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};
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struct VideoPlane {
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VideoPlane() :
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mData(0),
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mStride(0),
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mWidth(0),
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mHeight(0),
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mOffset(0),
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mSkip(0)
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{}
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void *mData;
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int32_t mStride;
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int32_t mWidth;
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int32_t mHeight;
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int32_t mOffset;
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int32_t mSkip;
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};
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struct VideoFrame {
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int64_t mTimeUs;
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bool mKeyFrame;
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void *mData;
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size_t mSize;
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int32_t mStride;
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int32_t mSliceHeight;
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int32_t mRotation;
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VideoPlane Y;
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VideoPlane Cb;
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VideoPlane Cr;
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VideoFrame() :
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mTimeUs(0),
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mKeyFrame(false),
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mData(0),
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mSize(0),
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mStride(0),
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mSliceHeight(0),
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mRotation(0)
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{}
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void Set(int64_t aTimeUs, bool aKeyFrame,
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void *aData, size_t aSize, int32_t aStride, int32_t aSliceHeight, int32_t aRotation,
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void *aYData, int32_t aYStride, int32_t aYWidth, int32_t aYHeight, int32_t aYOffset, int32_t aYSkip,
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void *aCbData, int32_t aCbStride, int32_t aCbWidth, int32_t aCbHeight, int32_t aCbOffset, int32_t aCbSkip,
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void *aCrData, int32_t aCrStride, int32_t aCrWidth, int32_t aCrHeight, int32_t aCrOffset, int32_t aCrSkip)
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{
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mTimeUs = aTimeUs;
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mKeyFrame = aKeyFrame;
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mData = aData;
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mSize = aSize;
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mStride = aStride;
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mSliceHeight = aSliceHeight;
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mRotation = aRotation;
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Y.mData = aYData;
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Y.mStride = aYStride;
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Y.mWidth = aYWidth;
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Y.mHeight = aYHeight;
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Y.mOffset = aYOffset;
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Y.mSkip = aYSkip;
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Cb.mData = aCbData;
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Cb.mStride = aCbStride;
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Cb.mWidth = aCbWidth;
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Cb.mHeight = aCbHeight;
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Cb.mOffset = aCbOffset;
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Cb.mSkip = aCbSkip;
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Cr.mData = aCrData;
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Cr.mStride = aCrStride;
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Cr.mWidth = aCrWidth;
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Cr.mHeight = aCrHeight;
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Cr.mOffset = aCrOffset;
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Cr.mSkip = aCrSkip;
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}
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};
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struct AudioFrame {
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int64_t mTimeUs;
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void *mData; // 16PCM interleaved
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size_t mSize; // Size of mData in bytes
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int32_t mAudioChannels;
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int32_t mAudioSampleRate;
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AudioFrame() :
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mTimeUs(0),
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mData(0),
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mSize(0),
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mAudioChannels(0),
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mAudioSampleRate(0)
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{
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}
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void Set(int64_t aTimeUs,
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void *aData, size_t aSize,
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int32_t aAudioChannels, int32_t aAudioSampleRate)
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{
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mTimeUs = aTimeUs;
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mData = aData;
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mSize = aSize;
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mAudioChannels = aAudioChannels;
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mAudioSampleRate = aAudioSampleRate;
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}
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};
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struct Decoder;
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struct PluginHost {
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bool (*Read)(Decoder *aDecoder, char *aBuffer, int64_t aOffset, uint32_t aCount, uint32_t* aBytes);
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uint64_t (*GetLength)(Decoder *aDecoder);
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void (*SetMetaDataReadMode)(Decoder *aDecoder);
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void (*SetPlaybackReadMode)(Decoder *aDecoder);
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bool (*GetIntPref)(const char *aPref, int32_t *aResult);
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};
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struct Decoder {
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void *mResource;
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void *mPrivate;
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Decoder();
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void (*GetDuration)(Decoder *aDecoder, int64_t *durationUs);
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void (*GetVideoParameters)(Decoder *aDecoder, int32_t *aWidth, int32_t *aHeight);
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void (*GetAudioParameters)(Decoder *aDecoder, int32_t *aNumChannels, int32_t *aSampleRate);
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bool (*HasVideo)(Decoder *aDecoder);
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bool (*HasAudio)(Decoder *aDecoder);
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bool (*ReadVideo)(Decoder *aDecoder, VideoFrame *aFrame, int64_t aSeekTimeUs, BufferCallback *aBufferCallback);
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bool (*ReadAudio)(Decoder *aDecoder, AudioFrame *aFrame, int64_t aSeekTimeUs);
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void (*DestroyDecoder)(Decoder *);
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};
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struct Manifest {
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bool (*CanDecode)(const char *aMimeChars, size_t aMimeLen, const char* const**aCodecs);
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bool (*CreateDecoder)(PluginHost *aPluginHost, Decoder *aDecoder,
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const char *aMimeChars, size_t aMimeLen);
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};
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}
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#endif
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