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/*
* Copyright 2015 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 GOLDFISH_MEDIA_H264_DEC_H_
#define GOLDFISH_MEDIA_H264_DEC_H_
struct h264_init_result_t {
uint64_t host_handle;
int ret;
};
struct h264_result_t {
int ret;
uint64_t bytesProcessed;
};
struct h264_image_t {
const uint8_t* data;
uint32_t width;
uint32_t height;
uint64_t pts; // presentation time stamp
uint64_t color_primaries;
uint64_t color_range;
uint64_t color_trc;
uint64_t colorspace;
// on success, |ret| will indicate the size of |data|.
// If failed, |ret| will contain some negative error code.
int ret;
};
enum class RenderMode {
RENDER_BY_HOST_GPU = 1,
RENDER_BY_GUEST_CPU = 2,
};
class MediaH264Decoder {
uint64_t mHostHandle = 0;
uint32_t mVersion = 100;
RenderMode mRenderMode = RenderMode::RENDER_BY_GUEST_CPU;
bool mHasAddressSpaceMemory = false;
uint64_t mAddressOffSet = 0;
int mSlot = -1;
public:
MediaH264Decoder(RenderMode renderMode);
virtual ~MediaH264Decoder() = default;
enum class PixelFormat : uint8_t {
YUV420P = 0,
UYVY422 = 1,
BGRA8888 = 2,
};
enum class Err : int {
NoErr = 0,
NoDecodedFrame = -1,
InitContextFailed = -2,
DecoderRestarted = -3,
NALUIgnored = -4,
};
bool getAddressSpaceMemory();
void initH264Context(unsigned int width,
unsigned int height,
unsigned int outWidth,
unsigned int outHeight,
PixelFormat pixFmt);
void resetH264Context(unsigned int width,
unsigned int height,
unsigned int outWidth,
unsigned int outHeight,
PixelFormat pixFmt);
void destroyH264Context();
h264_result_t decodeFrame(uint8_t* img, size_t szBytes, uint64_t pts);
void flush();
// ask host to copy image data back to guest, with image metadata
// to guest as well
h264_image_t getImage();
// ask host to render to hostColorBufferId, return only image metadata back to
// guest
h264_image_t renderOnHostAndReturnImageMetadata(int hostColorBufferId);
};
#endif
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