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/*
* Copyright (C) 2011 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.
*/
//#define LOG_NDEBUG 0
#define LOG_TAG "SoftVPX"
#include <utils/Log.h>
#include "SoftVPX.h"
#include <media/stagefright/foundation/ADebug.h>
#include <media/stagefright/MediaDefs.h>
#include "vpx/vpx_decoder.h"
#include "vpx/vpx_codec.h"
#include "vpx/vp8dx.h"
namespace android {
SoftVPX::SoftVPX(
const char *name,
const char *componentRole,
OMX_VIDEO_CODINGTYPE codingType,
const OMX_CALLBACKTYPE *callbacks,
OMX_PTR appData,
OMX_COMPONENTTYPE **component)
: SoftVideoDecoderOMXComponent(
name, componentRole, codingType,
NULL /* profileLevels */, 0 /* numProfileLevels */,
320 /* width */, 240 /* height */, callbacks, appData, component),
mMode(codingType == OMX_VIDEO_CodingVP8 ? MODE_VP8 : MODE_VP9),
mCtx(NULL) {
initPorts(kNumBuffers, 768 * 1024 /* inputBufferSize */,
kNumBuffers,
codingType == OMX_VIDEO_CodingVP8 ? MEDIA_MIMETYPE_VIDEO_VP8 : MEDIA_MIMETYPE_VIDEO_VP9);
CHECK_EQ(initDecoder(), (status_t)OK);
}
SoftVPX::~SoftVPX() {
vpx_codec_destroy((vpx_codec_ctx_t *)mCtx);
delete (vpx_codec_ctx_t *)mCtx;
mCtx = NULL;
}
static int GetCPUCoreCount() {
int cpuCoreCount = 1;
#if defined(_SC_NPROCESSORS_ONLN)
cpuCoreCount = sysconf(_SC_NPROCESSORS_ONLN);
#else
// _SC_NPROC_ONLN must be defined...
cpuCoreCount = sysconf(_SC_NPROC_ONLN);
#endif
CHECK(cpuCoreCount >= 1);
ALOGV("Number of CPU cores: %d", cpuCoreCount);
return cpuCoreCount;
}
status_t SoftVPX::initDecoder() {
mCtx = new vpx_codec_ctx_t;
vpx_codec_err_t vpx_err;
vpx_codec_dec_cfg_t cfg;
memset(&cfg, 0, sizeof(vpx_codec_dec_cfg_t));
cfg.threads = GetCPUCoreCount();
if ((vpx_err = vpx_codec_dec_init(
(vpx_codec_ctx_t *)mCtx,
mMode == MODE_VP8 ? &vpx_codec_vp8_dx_algo : &vpx_codec_vp9_dx_algo,
&cfg, 0))) {
ALOGE("on2 decoder failed to initialize. (%d)", vpx_err);
return UNKNOWN_ERROR;
}
return OK;
}
void SoftVPX::onQueueFilled(OMX_U32 /* portIndex */) {
if (mOutputPortSettingsChange != NONE) {
return;
}
List<BufferInfo *> &inQueue = getPortQueue(0);
List<BufferInfo *> &outQueue = getPortQueue(1);
bool EOSseen = false;
while (!inQueue.empty() && !outQueue.empty()) {
BufferInfo *inInfo = *inQueue.begin();
OMX_BUFFERHEADERTYPE *inHeader = inInfo->mHeader;
BufferInfo *outInfo = *outQueue.begin();
OMX_BUFFERHEADERTYPE *outHeader = outInfo->mHeader;
if (inHeader->nFlags & OMX_BUFFERFLAG_EOS) {
EOSseen = true;
if (inHeader->nFilledLen == 0) {
inQueue.erase(inQueue.begin());
inInfo->mOwnedByUs = false;
notifyEmptyBufferDone(inHeader);
outHeader->nFilledLen = 0;
outHeader->nFlags = OMX_BUFFERFLAG_EOS;
outQueue.erase(outQueue.begin());
outInfo->mOwnedByUs = false;
notifyFillBufferDone(outHeader);
return;
}
}
if (vpx_codec_decode(
(vpx_codec_ctx_t *)mCtx,
inHeader->pBuffer + inHeader->nOffset,
inHeader->nFilledLen,
NULL,
0)) {
ALOGE("on2 decoder failed to decode frame.");
notify(OMX_EventError, OMX_ErrorUndefined, 0, NULL);
return;
}
vpx_codec_iter_t iter = NULL;
vpx_image_t *img = vpx_codec_get_frame((vpx_codec_ctx_t *)mCtx, &iter);
if (img != NULL) {
CHECK_EQ(img->fmt, IMG_FMT_I420);
uint32_t width = img->d_w;
uint32_t height = img->d_h;
if (width != mWidth || height != mHeight) {
mWidth = width;
mHeight = height;
updatePortDefinitions();
notify(OMX_EventPortSettingsChanged, 1, 0, NULL);
mOutputPortSettingsChange = AWAITING_DISABLED;
return;
}
outHeader->nOffset = 0;
outHeader->nFilledLen = (width * height * 3) / 2;
outHeader->nFlags = EOSseen ? OMX_BUFFERFLAG_EOS : 0;
outHeader->nTimeStamp = inHeader->nTimeStamp;
const uint8_t *srcLine = (const uint8_t *)img->planes[PLANE_Y];
uint8_t *dst = outHeader->pBuffer;
for (size_t i = 0; i < img->d_h; ++i) {
memcpy(dst, srcLine, img->d_w);
srcLine += img->stride[PLANE_Y];
dst += img->d_w;
}
srcLine = (const uint8_t *)img->planes[PLANE_U];
for (size_t i = 0; i < img->d_h / 2; ++i) {
memcpy(dst, srcLine, img->d_w / 2);
srcLine += img->stride[PLANE_U];
dst += img->d_w / 2;
}
srcLine = (const uint8_t *)img->planes[PLANE_V];
for (size_t i = 0; i < img->d_h / 2; ++i) {
memcpy(dst, srcLine, img->d_w / 2);
srcLine += img->stride[PLANE_V];
dst += img->d_w / 2;
}
outInfo->mOwnedByUs = false;
outQueue.erase(outQueue.begin());
outInfo = NULL;
notifyFillBufferDone(outHeader);
outHeader = NULL;
}
inInfo->mOwnedByUs = false;
inQueue.erase(inQueue.begin());
inInfo = NULL;
notifyEmptyBufferDone(inHeader);
inHeader = NULL;
}
}
} // namespace android
android::SoftOMXComponent *createSoftOMXComponent(
const char *name, const OMX_CALLBACKTYPE *callbacks,
OMX_PTR appData, OMX_COMPONENTTYPE **component) {
if (!strcmp(name, "OMX.google.vp8.decoder")) {
return new android::SoftVPX(
name, "video_decoder.vp8", OMX_VIDEO_CodingVP8,
callbacks, appData, component);
} else if (!strcmp(name, "OMX.google.vp9.decoder")) {
return new android::SoftVPX(
name, "video_decoder.vp9", OMX_VIDEO_CodingVP9,
callbacks, appData, component);
} else {
CHECK(!"Unknown component");
}
}
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