virtual void InitEncode (const GMPVideoCodec& codecSettings,
const uint8_t* aCodecSpecific,
uint32_t aCodecSpecificSize,
GMPVideoEncoderCallback* callback,
int32_t numberOfCores,
uint32_t maxPayloadSize) {
callback_ = callback;
GMPErr err = g_platform_api->createthread (&worker_thread_);
if (err != GMPNoErr) {
GMPLOG (GL_ERROR, "Couldn't create new thread");
Error (GMPGenericErr);
return;
}
int rv = WelsCreateSVCEncoder (&encoder_);
if (rv) {
Error (GMPGenericErr);
return;
}
SEncParamBase param;
memset (¶m, 0, sizeof (param));
GMPLOG (GL_INFO, "Initializing encoder at "
<< codecSettings.mWidth
<< "x"
<< codecSettings.mHeight
<< "@"
<< static_cast<int> (codecSettings.mMaxFramerate)
<< "max payload size="
<< maxPayloadSize);
// Translate parameters.
param.iUsageType = CAMERA_VIDEO_REAL_TIME;
param.iPicWidth = codecSettings.mWidth;
param.iPicHeight = codecSettings.mHeight;
param.iTargetBitrate = codecSettings.mStartBitrate * 1000;
GMPLOG (GL_INFO, "Initializing Bit Rate at: Start: "
<< codecSettings.mStartBitrate
<< "; Min: "
<< codecSettings.mMinBitrate
<< "; Max: "
<< codecSettings.mMaxBitrate);
param.iRCMode = RC_BITRATE_MODE;
// TODO([email protected]). Scary conversion from unsigned char to float below.
param.fMaxFrameRate = static_cast<float> (codecSettings.mMaxFramerate);
rv = encoder_->Initialize (¶m);
if (rv) {
GMPLOG (GL_ERROR, "Couldn't initialize encoder");
Error (GMPGenericErr);
return;
}
max_payload_size_ = maxPayloadSize;
GMPLOG (GL_INFO, "Initialized encoder");
}
MSOpenH264Encoder::MSOpenH264Encoder(MSFilter *f)
: mFilter(f), mPacker(0), mPacketisationMode(0), mVConfList(openh264_conf_list), mFrameCount(0), mInitialized(false)
{
mVConf = ms_video_find_best_configuration_for_bitrate(mVConfList, 384000,ms_get_cpu_count());
long ret = WelsCreateSVCEncoder(&mEncoder);
if (ret != 0) {
ms_error("OpenH264 encoder: Failed to create encoder: %li", ret);
}
}
//start the encoder
bool edk::codecs::EncoderH264::startEncoder(edk::size2ui32 size, edk::uint32 fps){
if(edk::codecs::EncoderVideo::startEncoder(size, fps)){
//start the encoder
#ifdef EDK_USE_OPENH264
if(!WelsCreateSVCEncoder(&this->encoder)){
if(this->encoder){
//
//start the parameters
this->param.iUsageType = CAMERA_VIDEO_REAL_TIME;
this->param.iPicWidth = size.width;
this->param.iPicHeight = size.height;
this->param.iTargetBitrate = rand() + 1; // !=0
// Force a bitrate of at least w*h/50, otherwise we will only get skipped frames
this->param.iTargetBitrate = WELS_CLIP3 (this->param.iTargetBitrate,
this->param.iPicWidth * this->param.iPicHeight / 50, 100000000);
int32_t iLevelMaxBitrate = WelsCommon::g_ksLevelLimits[LEVEL_5_0 - 1].uiMaxBR * CpbBrNalFactor;
if (this->param.iTargetBitrate > iLevelMaxBitrate)
this->param.iTargetBitrate = iLevelMaxBitrate;
this->param.iRCMode = RC_BITRATE_MODE;
//use the FPS
this->param.fMaxFrameRate = fps; //!=0
//start the encoder
if(!encoder->Initialize(¶m)){
this->setNextkeyframe();
return true;
}
}
}
#else
edk_printDebug("You must define EDK_USE_OPENH264 before use");
#endif
//finish encoder
edk::codecs::EncoderVideo::finishEncoder();
}
return false;
}
virtual void InitEncode (const GMPVideoCodec& codecSettings,
const uint8_t* aCodecSpecific,
uint32_t aCodecSpecificSize,
GMPVideoEncoderCallback* callback,
int32_t numberOfCores,
uint32_t maxPayloadSize) {
callback_ = callback;
GMPErr err = g_platform_api->createthread (&worker_thread_);
if (err != GMPNoErr) {
GMPLOG (GL_ERROR, "Couldn't create new thread");
Error (GMPGenericErr);
return;
}
int rv = WelsCreateSVCEncoder (&encoder_);
if (rv) {
Error (GMPGenericErr);
return;
}
SEncParamExt param;
memset (¶m, 0, sizeof (param));
encoder_->GetDefaultParams (¶m);
GMPLOG (GL_INFO, "Initializing encoder at "
<< codecSettings.mWidth
<< "x"
<< codecSettings.mHeight
<< "@"
<< static_cast<int> (codecSettings.mMaxFramerate));
// Translate parameters.
param.iUsageType = CAMERA_VIDEO_REAL_TIME;
if(codecSettings.mMode == kGMPScreensharing)
param.iUsageType = SCREEN_CONTENT_REAL_TIME;
param.iPicWidth = codecSettings.mWidth;
param.iPicHeight = codecSettings.mHeight;
param.iRCMode = RC_BITRATE_MODE;
param.iTargetBitrate = codecSettings.mStartBitrate * 1000;
param.iMaxBitrate = codecSettings.mMaxBitrate * 1000;
GMPLOG (GL_INFO, "Initializing Bit Rate at: Start: "
<< codecSettings.mStartBitrate
<< "; Min: "
<< codecSettings.mMinBitrate
<< "; Max: "
<< codecSettings.mMaxBitrate
<< "; Max payload size:"
<< maxPayloadSize);
param.uiMaxNalSize = maxPayloadSize;
// TODO([email protected]). Scary conversion from unsigned char to float below.
param.fMaxFrameRate = static_cast<float> (codecSettings.mMaxFramerate);
// Set up layers. Currently we have one layer.
SSpatialLayerConfig* layer = ¶m.sSpatialLayers[0];
// Make sure the output resolution doesn't exceed the Openh264 capability
double width_mb = std::ceil(codecSettings.mWidth/16.0);
double height_mb = std::ceil(codecSettings.mHeight/16.0);
double input_mb = width_mb * height_mb;
if (static_cast<uint32_t>(input_mb) > OPENH264_MAX_MB) {
double scale = std::sqrt(OPENH264_MAX_MB / input_mb);
layer->iVideoWidth = static_cast<uint32_t>(width_mb * 16 * scale);
layer->iVideoHeight = static_cast<uint32_t>(height_mb * 16 * scale);
GMPLOG (GL_INFO, "InitEncode: the output resolution overflows, w x h = " << codecSettings.mWidth << " x " << codecSettings.mHeight
<< ", turned to be " << layer->iVideoWidth << " x " << layer->iVideoHeight);
} else {
layer->iVideoWidth = codecSettings.mWidth;
layer->iVideoHeight = codecSettings.mHeight;
}
if (layer->iVideoWidth < 16) {
layer->iVideoWidth = 16;
}
if (layer->iVideoHeight < 16) {
layer->iVideoHeight = 16;
}
layer->fFrameRate = param.fMaxFrameRate;
layer->iSpatialBitrate = param.iTargetBitrate;
layer->iMaxSpatialBitrate = param.iMaxBitrate;
//for controlling the NAL size (normally for packetization-mode=0)
if (maxPayloadSize != 0) {
layer->sSliceArgument.uiSliceMode = SM_SIZELIMITED_SLICE;
layer->sSliceArgument.uiSliceSizeConstraint = maxPayloadSize;
}
rv = encoder_->InitializeExt (¶m);
if (rv) {
GMPLOG (GL_ERROR, "Couldn't initialize encoder");
Error (GMPGenericErr);
return;
}
max_payload_size_ = maxPayloadSize;
GMPLOG (GL_INFO, "Initialized encoder");
}
static BOOL openh264_init(H264_CONTEXT* h264)
{
long status;
SDecodingParam sDecParam;
H264_CONTEXT_OPENH264* sys;
static int traceLevel = WELS_LOG_DEBUG;
static EVideoFormatType videoFormat = videoFormatI420;
static WelsTraceCallback traceCallback = (WelsTraceCallback) openh264_trace_callback;
sys = (H264_CONTEXT_OPENH264*) calloc(1, sizeof(H264_CONTEXT_OPENH264));
if (!sys)
{
goto EXCEPTION;
}
h264->pSystemData = (void*) sys;
if (h264->Compressor)
{
WelsCreateSVCEncoder(&sys->pEncoder);
if (!sys->pEncoder)
{
WLog_ERR(TAG, "Failed to create OpenH264 encoder");
goto EXCEPTION;
}
}
else
{
WelsCreateDecoder(&sys->pDecoder);
if (!sys->pDecoder)
{
WLog_ERR(TAG, "Failed to create OpenH264 decoder");
goto EXCEPTION;
}
ZeroMemory(&sDecParam, sizeof(sDecParam));
sDecParam.eOutputColorFormat = videoFormatI420;
sDecParam.eEcActiveIdc = ERROR_CON_FRAME_COPY;
sDecParam.sVideoProperty.eVideoBsType = VIDEO_BITSTREAM_DEFAULT;
status = (*sys->pDecoder)->Initialize(sys->pDecoder, &sDecParam);
if (status != 0)
{
WLog_ERR(TAG, "Failed to initialize OpenH264 decoder (status=%ld)", status);
goto EXCEPTION;
}
status = (*sys->pDecoder)->SetOption(sys->pDecoder, DECODER_OPTION_DATAFORMAT, &videoFormat);
if (status != 0)
{
WLog_ERR(TAG, "Failed to set data format option on OpenH264 decoder (status=%ld)", status);
}
if (g_openh264_trace_enabled)
{
status = (*sys->pDecoder)->SetOption(sys->pDecoder, DECODER_OPTION_TRACE_LEVEL, &traceLevel);
if (status != 0)
{
WLog_ERR(TAG, "Failed to set trace level option on OpenH264 decoder (status=%ld)", status);
}
status = (*sys->pDecoder)->SetOption(sys->pDecoder, DECODER_OPTION_TRACE_CALLBACK, &traceCallback);
if (status != 0)
{
WLog_ERR(TAG, "Failed to set trace callback option on OpenH264 decoder (status=%ld)", status);
}
status = (*sys->pDecoder)->SetOption(sys->pDecoder, DECODER_OPTION_TRACE_CALLBACK_CONTEXT, &h264);
if (status != 0)
{
WLog_ERR(TAG, "Failed to set trace callback context option on OpenH264 decoder (status=%ld)", status);
}
}
}
return TRUE;
EXCEPTION:
openh264_uninit(h264);
return FALSE;
}
OpenH264EncoderImpl::OpenH264EncoderImpl() :
initialized(false), layerIndex(0), nalIndex(0) {
WelsCreateSVCEncoder(&isvcEncoder);
isvcEncoder->GetDefaultParams(¶m);
}
static gboolean
gst_openh264enc_set_format (GstVideoEncoder * encoder,
GstVideoCodecState * state)
{
GstOpenh264Enc *openh264enc = GST_OPENH264ENC (encoder);
gchar *debug_caps;
guint width, height, fps_n, fps_d;
SEncParamExt enc_params;
SliceModeEnum slice_mode = SM_SINGLE_SLICE;
guint n_slices = 1;
gint ret;
GstCaps *outcaps;
GstVideoCodecState *output_state;
openh264enc->frame_count = 0;
int video_format = videoFormatI420;
debug_caps = gst_caps_to_string (state->caps);
GST_DEBUG_OBJECT (openh264enc, "gst_e26d4_enc_set_format called, caps: %s",
debug_caps);
g_free (debug_caps);
gst_openh264enc_stop (encoder);
if (openh264enc->input_state) {
gst_video_codec_state_unref (openh264enc->input_state);
}
openh264enc->input_state = gst_video_codec_state_ref (state);
width = GST_VIDEO_INFO_WIDTH (&state->info);
height = GST_VIDEO_INFO_HEIGHT (&state->info);
fps_n = GST_VIDEO_INFO_FPS_N (&state->info);
fps_d = GST_VIDEO_INFO_FPS_D (&state->info);
if (openh264enc->encoder != NULL) {
openh264enc->encoder->Uninitialize ();
WelsDestroySVCEncoder (openh264enc->encoder);
openh264enc->encoder = NULL;
}
WelsCreateSVCEncoder (&openh264enc->encoder);
unsigned int uiTraceLevel = WELS_LOG_ERROR;
openh264enc->encoder->SetOption (ENCODER_OPTION_TRACE_LEVEL, &uiTraceLevel);
openh264enc->encoder->GetDefaultParams (&enc_params);
enc_params.iUsageType = openh264enc->usage_type;
enc_params.iPicWidth = width;
enc_params.iPicHeight = height;
enc_params.iTargetBitrate = openh264enc->bitrate;
enc_params.iMaxBitrate = openh264enc->max_bitrate;
enc_params.iRCMode = openh264enc->rate_control;
enc_params.iTemporalLayerNum = 1;
enc_params.iSpatialLayerNum = 1;
enc_params.iLtrMarkPeriod = 30;
enc_params.iMultipleThreadIdc = openh264enc->multi_thread;
enc_params.bEnableDenoise = openh264enc->enable_denoise;
enc_params.iComplexityMode = openh264enc->complexity;
enc_params.uiIntraPeriod = openh264enc->gop_size;
enc_params.bEnableBackgroundDetection = openh264enc->background_detection;
enc_params.bEnableAdaptiveQuant = openh264enc->adaptive_quantization;
enc_params.bEnableSceneChangeDetect = openh264enc->scene_change_detection;
enc_params.bEnableFrameSkip = openh264enc->enable_frame_skip;
enc_params.bEnableLongTermReference = 0;
#if OPENH264_MINOR >= 4
enc_params.eSpsPpsIdStrategy = CONSTANT_ID;
#else
enc_params.bEnableSpsPpsIdAddition = 0;
#endif
enc_params.bPrefixNalAddingCtrl = 0;
enc_params.fMaxFrameRate = fps_n * 1.0 / fps_d;
enc_params.iLoopFilterDisableIdc = openh264enc->deblocking_mode;
enc_params.sSpatialLayers[0].uiProfileIdc = PRO_BASELINE;
enc_params.sSpatialLayers[0].iVideoWidth = enc_params.iPicWidth;
enc_params.sSpatialLayers[0].iVideoHeight = enc_params.iPicHeight;
enc_params.sSpatialLayers[0].fFrameRate = fps_n * 1.0 / fps_d;
enc_params.sSpatialLayers[0].iSpatialBitrate = enc_params.iTargetBitrate;
enc_params.sSpatialLayers[0].iMaxSpatialBitrate = enc_params.iMaxBitrate;
if (openh264enc->slice_mode == GST_OPENH264_SLICE_MODE_N_SLICES) {
if (openh264enc->num_slices == 1)
slice_mode = SM_SINGLE_SLICE;
else
slice_mode = SM_FIXEDSLCNUM_SLICE;
n_slices = openh264enc->num_slices;
} else if (openh264enc->slice_mode == GST_OPENH264_SLICE_MODE_AUTO) {
#if OPENH264_MAJOR == 1 && OPENH264_MINOR < 6
slice_mode = SM_AUTO_SLICE;
#else
slice_mode = SM_FIXEDSLCNUM_SLICE;
n_slices = 0;
#endif
} else {
GST_ERROR_OBJECT (openh264enc, "unexpected slice mode %d",
openh264enc->slice_mode);
slice_mode = SM_SINGLE_SLICE;
}
#if OPENH264_MAJOR == 1 && OPENH264_MINOR < 6
enc_params.sSpatialLayers[0].sSliceCfg.uiSliceMode = slice_mode;
enc_params.sSpatialLayers[0].sSliceCfg.sSliceArgument.uiSliceNum = n_slices;
#else
enc_params.sSpatialLayers[0].sSliceArgument.uiSliceMode = slice_mode;
enc_params.sSpatialLayers[0].sSliceArgument.uiSliceNum = n_slices;
#endif
openh264enc->framerate = (1 + fps_n / fps_d);
ret = openh264enc->encoder->InitializeExt (&enc_params);
if (ret != cmResultSuccess) {
GST_ERROR_OBJECT (openh264enc, "failed to initialize encoder");
return FALSE;
}
openh264enc->encoder->SetOption (ENCODER_OPTION_DATAFORMAT, &video_format);
outcaps =
gst_caps_copy (gst_static_pad_template_get_caps
(&gst_openh264enc_src_template));
output_state = gst_video_encoder_set_output_state (encoder, outcaps, state);
gst_video_codec_state_unref (output_state);
return gst_video_encoder_negotiate (encoder);
}
