105 lines
3.2 KiB
C++
105 lines
3.2 KiB
C++
/*
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* Copyright 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef GOLDFISH_MEDIA_H264_DEC_H_
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#define GOLDFISH_MEDIA_H264_DEC_H_
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#include "goldfish_media_utils.h"
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struct h264_init_result_t {
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uint64_t host_handle;
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int ret;
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};
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struct h264_result_t {
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int ret;
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uint64_t bytesProcessed;
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};
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struct h264_image_t {
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const uint8_t *data;
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uint32_t width;
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uint32_t height;
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uint64_t pts; // presentation time stamp
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uint64_t color_primaries;
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uint64_t color_range;
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uint64_t color_trc;
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uint64_t colorspace;
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// on success, |ret| will indicate the size of |data|.
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// If failed, |ret| will contain some negative error code.
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int ret;
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};
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enum class RenderMode {
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RENDER_BY_HOST_GPU = 1,
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RENDER_BY_GUEST_CPU = 2,
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};
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class MediaH264Decoder {
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uint64_t mHostHandle = 0;
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uint32_t mVersion = 100;
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RenderMode mRenderMode = RenderMode::RENDER_BY_GUEST_CPU;
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bool mHasAddressSpaceMemory = false;
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uint64_t mAddressOffSet = 0;
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int mSlot = -1;
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public:
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MediaH264Decoder(RenderMode renderMode);
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virtual ~MediaH264Decoder() = default;
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enum class PixelFormat : uint8_t {
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YUV420P = 0,
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UYVY422 = 1,
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BGRA8888 = 2,
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};
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enum class Err : int {
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NoErr = 0,
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NoDecodedFrame = -1,
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InitContextFailed = -2,
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DecoderRestarted = -3,
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NALUIgnored = -4,
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};
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bool getAddressSpaceMemory();
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void initH264Context(unsigned int width, unsigned int height,
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unsigned int outWidth, unsigned int outHeight,
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PixelFormat pixFmt);
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void resetH264Context(unsigned int width, unsigned int height,
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unsigned int outWidth, unsigned int outHeight,
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PixelFormat pixFmt);
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void destroyH264Context();
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h264_result_t decodeFrame(uint8_t *img, size_t szBytes, uint64_t pts);
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void flush();
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// ask host to copy image data back to guest, with image metadata
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// to guest as well
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h264_image_t getImage();
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// ask host to render to hostColorBufferId, return only image metadata back
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// to guest
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h264_image_t renderOnHostAndReturnImageMetadata(int hostColorBufferId);
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// send metadata about the bitstream to host, such as color aspects that
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// are set by the framework, e.g., color primaries (601, 709 etc), range
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// (full range or limited range), transfer etc. given metadata could be
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// of all kinds of types, the convention is that the first field server as
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// metadata type id. host will check the type id to decide what to do with
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// it; unrecognized typeid will be discarded by host side.
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void sendMetadata(MetaDataColorAspects *ptr);
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};
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#endif
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