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// Copyright (C) 2020 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.
#include "host-common/MediaHostRenderer.h"
#include <cstdint>
#include <string>
#include <vector>
#include <stdio.h>
#include <string.h>
#define MEDIA_H264_DEBUG 0
#if MEDIA_H264_DEBUG
#define H264_DPRINT(fmt, ...) \
fprintf(stderr, "media-host-renderer: %s:%d " fmt "\n", __func__, \
__LINE__, ##__VA_ARGS__);
#else
#define H264_DPRINT(fmt, ...)
#endif
namespace android {
namespace emulation {
using TextureFrame = MediaTexturePool::TextureFrame;
MediaHostRenderer::MediaHostRenderer() {
mVirtioGpuOps = android_getVirtioGpuOps();
if (mVirtioGpuOps == nullptr) {
H264_DPRINT("Error, cannot get mVirtioGpuOps");
}
}
MediaHostRenderer::~MediaHostRenderer() {
cleanUpTextures();
}
const uint32_t kGlUnsignedByte = 0x1401;
constexpr uint32_t kGL_RGBA8 = 0x8058;
constexpr uint32_t kGL_RGBA = 0x1908;
constexpr uint32_t kFRAME_POOL_SIZE = 8;
constexpr uint32_t kFRAMEWORK_FORMAT_NV12 = 3;
TextureFrame MediaHostRenderer::getTextureFrame(int w, int h) {
return mTexturePool.getTextureFrame(w, h);
}
void MediaHostRenderer::saveDecodedFrameToTexture(TextureFrame frame,
void* privData,
void* func) {
mTexturePool.saveDecodedFrameToTexture(frame, privData, func);
}
void MediaHostRenderer::cleanUpTextures() {
mTexturePool.cleanUpTextures();
}
void MediaHostRenderer::renderToHostColorBuffer(int hostColorBufferId,
unsigned int outputWidth,
unsigned int outputHeight,
uint8_t* decodedFrame) {
H264_DPRINT("Calling %s at %d buffer id %d", __func__, __LINE__,
hostColorBufferId);
if (hostColorBufferId < 0) {
H264_DPRINT("ERROR: negative buffer id %d", hostColorBufferId);
return;
}
if (mVirtioGpuOps) {
mVirtioGpuOps->update_color_buffer(hostColorBufferId, 0, 0, outputWidth,
outputHeight, kGL_RGBA,
kGlUnsignedByte, decodedFrame);
} else {
H264_DPRINT("ERROR: there is no virtio Gpu Ops is not setup");
}
}
void MediaHostRenderer::renderToHostColorBufferWithTextures(
int hostColorBufferId,
unsigned int outputWidth,
unsigned int outputHeight,
TextureFrame frame) {
H264_DPRINT("Calling %s at %d buffer id %d", __func__, __LINE__,
hostColorBufferId);
if (hostColorBufferId < 0) {
H264_DPRINT("ERROR: negative buffer id %d", hostColorBufferId);
// try to recycle valid textures: this could happen
mTexturePool.putTextureFrame(frame);
return;
}
if (frame.Ytex <= 0 || frame.UVtex <= 0) {
H264_DPRINT("ERROR: invalid tex ids: Ytex %d UVtex %d", (int)frame.Ytex,
(int)frame.UVtex);
return;
}
if (mVirtioGpuOps) {
uint32_t textures[2] = {frame.Ytex, frame.UVtex};
mVirtioGpuOps->swap_textures_and_update_color_buffer(
hostColorBufferId, 0, 0, outputWidth, outputHeight, kGL_RGBA,
kGlUnsignedByte, kFRAMEWORK_FORMAT_NV12, textures);
if (textures[0] > 0 && textures[1] > 0) {
frame.Ytex = textures[0];
frame.UVtex = textures[1];
H264_DPRINT("return textures to pool %d %d", frame.Ytex,
frame.UVtex);
mTexturePool.putTextureFrame(frame);
}
} else {
H264_DPRINT("ERROR: there is no virtio Gpu Ops is not setup");
}
}
} // namespace emulation
} // namespace android
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