static int set_params(struct videnc_state *st, unsigned fps, unsigned bitrate)
{
st->param = x265_param_alloc();
if (!st->param) {
warning("h265: x265_param_alloc failed\n");
return ENOMEM;
}
x265_param_default(st->param);
if (0 != x265_param_apply_profile(st->param, "main")) {
warning("h265: x265_param_apply_profile failed\n");
return EINVAL;
}
if (0 != x265_param_default_preset(st->param,
"ultrafast", "zerolatency")) {
warning("h265: x265_param_default_preset error\n");
return EINVAL;
}
st->param->fpsNum = fps;
st->param->fpsDenom = 1;
/* VPS, SPS and PPS headers should be output with each keyframe */
st->param->bRepeatHeaders = 1;
/* Rate Control */
st->param->rc.rateControlMode = X265_RC_CRF;
st->param->rc.bitrate = bitrate / 1000;
st->param->rc.vbvMaxBitrate = bitrate / 1000;
st->param->rc.vbvBufferSize = 2 * bitrate / fps;
return 0;
}
bool Video_Encoder_H265::init(Video_Encoder::NALU_CB *cb, const Encoder_Param ¶m)
{
//alloc & set param
_x265_param = x265_param_alloc();
if(_x265_param == NULL)
{
printf("x265_param_alloc error~\n");
return false;
}
// x265_param_default(_x265_param);
/* x265_preset_names[] = { "ultrafast", "superfast", "veryfast", "faster", "fast", "medium", "slow", "slower", "veryslow", "placebo", 0 };
x265_tune_names[] = { "psnr", "ssim", "grain", "zerolatency", "fastdecode", 0 };*/
int rc = x265_param_default_preset(_x265_param, x265_preset_names[4], x265_tune_names[3]);
if(rc != 0)
{
//error...
printf("x265_param_default_preset error~\n");
return false;
}
/*x265_profile_names[] = { "main", "main10", "mainstillpicture", 0 };*/
rc = x265_param_apply_profile(_x265_param, x265_profile_names[0]);
if(rc != 0)
{
//error...
printf("x265_param_apply_profile error~\n");
return false;
}
_x265_param->sourceHeight = param.height;
_x265_param->sourceWidth = param.width;
/*The output of the encoder is a series of NAL packets, which are always returned concatenated in consecutive memory.
* HEVC streams have SPS and PPS and VPS headers which describe how the following packets are to be decoded.
* If you specified --repeat-headers then those headers will be output with every keyframe.
* Otherwise you must explicitly query those headers using:int x265_encoder_headers(x265_encoder *, x265_nal **pp_nal, uint32_t *pi_nal);*/
_x265_param->bRepeatHeaders = 1;
_x265_param->internalCsp = X265_CSP_I420;
_x265_param->fpsNum = param.fps;
_x265_param->fpsDenom = 1;
// x265_param_parse(_x265_param, const char *name, const char *value);
/*******
x265_encoder_parameters() may be used to get a copy of the param structure from the encoder after it has been opened,
in order to see the changes made to the parameters for auto-detection and other reasons.
x265_encoder_reconfig() may be used to reconfigure encoder parameters mid-encode:
*********/
// rc = x265_encoder_reconfig(_x265_encoder, _x265_param);
_x265_picture = x265_picture_alloc();
if(_x265_picture == NULL)
{
if(_x265_param)
{
x265_param_free(_x265_param);
}
printf("x265_picture_alloc error~\n");
return false;
}
x265_picture_init(_x265_param, _x265_picture);
//Analysis Buffers
// rc = x265_alloc_analysis_data(_x265_picture);
// if(rc == 0)
// {
// //error...
// }
// x265_free_analysis_data(_x265_picture);
//
_x265_encoder = x265_encoder_open(_x265_param);
if(_x265_encoder == NULL)
{
if(_x265_param)
{
x265_param_free(_x265_param);
}
if(_x265_picture)
{
x265_picture_free(_x265_picture);
}
printf("x265_encoder_open error~\n");
return false;
}
_callback = cb;
gettimeofday(&_tv_start, NULL);
return true;
}
/**
\fn setup
*/
bool x265Encoder::setup(void)
{
ADM_info("=============x265, setting up==============\n");
MMSET(param);
x265_param_default( ¶m);
firstIdr=true;
image=new ADMImageDefault(getWidth(),getHeight());
// -------------- preset, tune, idc ------------
if(!x265Settings.useAdvancedConfiguration)
{
char tune[200] = {0};
strcat(tune, x265Settings.general.tuning);
x265_param_default_preset(¶m, x265Settings.general.preset, tune);
}
param.logLevel=x265Settings.level;
// Threads..
#if X265_BUILD < 47
switch(x265Settings.general.poolThreads)
{
case 0:
case 1:
case 2:
param.poolNumThreads = x265Settings.general.poolThreads;
break;
case 99:
break; //auto
default:
ADM_error("UNKNOWN NB OF THREADS\n");
break;
}
#endif
switch(x265Settings.general.frameThreads)
{
case 0:
case 1:
case 2:
param.frameNumThreads = x265Settings.general.frameThreads;
break;
case 99:
break; //auto
default:
ADM_error("UNKNOWN NB OF THREADS\n");
break;
}
param.sourceWidth = getWidth();
param.sourceHeight = getHeight();
param.internalCsp = X265_CSP_I420;
param.internalBitDepth = 8;
param.logLevel=X265_LOG_INFO; //DEBUG; //INFO;
//Framerate
int n,d;
uint64_t f=source->getInfo()->frameIncrement;
usSecondsToFrac(f,&n,&d);
param.fpsNum = d;
param.fpsDenom = n;
// -------------- vui------------
#undef MKPARAM
#undef MKPARAMD
#undef MKPARAMB
#define MKPARAM(x,y) {param.vui.x = x265Settings.vui.y;aprintf("[x265] vui."#x" = %d\n",param.vui.x);}
#define MKPARAMD(x,y) {param.vui.x = (double)x265Settings.vui.y; aprintf("[x265] vui."#x" = %.2f\n",param.vui.x);}
#define MKPARAMB(x,y) {param.vui.x = x265Settings.vui.y ;aprintf("[x265] vui."#x" = %s\n",TrueFalse[param.vui.x&1]);}
MKPARAM (sarWidth,sar_width)
MKPARAM (sarHeight,sar_height)
// -------------- rate control------------
switch(x265Settings.general.params.mode)
{
case COMPRESS_2PASS:
case COMPRESS_2PASS_BITRATE:
uint32_t bitrate;
if(passNumber!=1 && passNumber!=2)
{
ADM_error("No pass number specified! (%d)\n",(int)passNumber);
return false;
}
ADM_info("Starting pass :%d\n",passNumber);
if(x265Settings.general.params.mode==COMPRESS_2PASS)
{
uint64_t duration=source->getInfo()->totalDuration; // in us
ADM_info("Source duration :%s\n",ADM_us2plain(duration));
ADM_info("Target size :%d\n",(int)x265Settings.general.params.finalsize);
uint32_t avg;
if(false==ADM_computeAverageBitrateFromDuration(duration,
x265Settings.general.params.finalsize,
&avg))
{
ADM_error("[x265] No source duration!\n");
return false;
}
bitrate=(uint32_t)avg;
}
else
bitrate=x265Settings.general.params.avg_bitrate;
ADM_info("Using average bitrate of %d kb/s\n",(int)bitrate);
param.rc.rateControlMode = X265_RC_ABR;
param.rc.bitrate = bitrate;
if(passNumber==1)
{
param.rc.bStatWrite=1;
param.rc.bStatRead=0;
param.rc.statFileName=strdup(logFile);
} else
{
param.rc.bStatWrite=0;
param.rc.bStatRead=1;
param.rc.statFileName=strdup(logFile);
if(!ADM_fileExist(logFile))
{
ADM_error("Logfile %s does not exist \n",logFile);
return false;
}
}
break;
case COMPRESS_AQ:
param.rc.rateControlMode = X265_RC_CRF;
param.rc.rfConstant = x265Settings.general.params.qz;
break;
case COMPRESS_CQ:
param.rc.rateControlMode = X265_RC_CQP;
param.rc.qp = x265Settings.general.params.qz;
break;
case COMPRESS_CBR:
param.rc.rateControlMode = X265_RC_ABR;
param.rc.bitrate = x265Settings.general.params.bitrate;
param.rc.qp = 0;
param.rc.rfConstant = 0;
break;
default:
GUI_Error_HIG("Not coded","this mode has notbeen implemented\n");
return false;
break;
}
if(globalHeader)
param.bRepeatHeaders=0;
else
param.bRepeatHeaders=1;
if(x265Settings.useAdvancedConfiguration)
{
#undef MKPARAM
#undef MKPARAMD
#undef MKPARAMB
#define MKPARAM(x,y) {param.x = x265Settings.y;aprintf("[x265] "#x" = %d\n",param.x);}
#define MKPARAMD(x,y) {param.x = (double)x265Settings.y; aprintf("[x265] "#x" = %.2f\n",param.x);}
#define MKPARAMB(x,y) {param.x = x265Settings.y ;aprintf("[x265] "#x" = %s\n",TrueFalse[param.x&1]);}
MKPARAM(maxNumReferences,MaxRefFrames);
MKPARAM(keyframeMin,MinIdr);
MKPARAM(keyframeMax,MaxIdr);
MKPARAM(scenecutThreshold,i_scenecut_threshold);
MKPARAM(bframes,MaxBFrame);
MKPARAM(bFrameAdaptive,i_bframe_adaptive);
MKPARAM(bFrameBias,i_bframe_bias);
MKPARAM(bBPyramid,i_bframe_pyramid);
MKPARAMB(bEnableLoopFilter,b_deblocking_filter);
MKPARAMB(interlaceMode,interlaced_mode);
MKPARAMB(bEnableConstrainedIntra,constrained_intra);
MKPARAM(lookaheadDepth,lookahead);
MKPARAMB(bEnableWeightedBiPred,weighted_bipred)
MKPARAM (bEnableWeightedPred,weighted_pred)
MKPARAM (cbQpOffset,cb_chroma_offset)
MKPARAM (crQpOffset,cr_chroma_offset)
MKPARAM (searchMethod,me_method)
MKPARAM (searchRange,me_range)
MKPARAM (subpelRefine,subpel_refine)
MKPARAM (bFrameAdaptive,trellis)
MKPARAMB(bEnableEarlySkip,fast_pskip)
MKPARAMB(bEnableTSkipFast,dct_decimate)
MKPARAMD(psyRd,psy_rd)
#if X265_BUILD >= 40
MKPARAM (noiseReductionIntra,noise_reduction_intra)
MKPARAM (noiseReductionInter,noise_reduction_inter)
#else
MKPARAM (noiseReduction,noise_reduction)
#endif
//---------------- ratecontrol -------------------
#undef MKPARAM
#undef MKPARAMD
#undef MKPARAMB
#define MKPARAM(x,y) {param.rc.x = x265Settings.ratecontrol.y;aprintf("[x265] rc."#x" = %d\n",param.rc.x);}
#define MKPARAMD(x,y) {param.rc.x = (double)x265Settings.ratecontrol.y; aprintf("[x265] rc."#x" = %.2f\n",param.rc.x);}
#define MKPARAMB(x,y) {param.rc.x = x265Settings.ratecontrol.y ;aprintf("[x265] rc."#x" = %s\n",TrueFalse[param.rc.x&1]);}
MKPARAM(qpStep,qp_step);
#if X265_BUILD >= 41
MKPARAMB(bStrictCbr,strict_cbr);
#else
MKPARAM(rateTolerance,rate_tolerance);
#endif
MKPARAM(ipFactor,ip_factor);
MKPARAM(pbFactor,pb_factor);
MKPARAMB(cuTree,cu_tree);
MKPARAM(aqMode,aq_mode);
MKPARAMD(aqStrength,aq_strength);
}
if(!param.bframes) encoderDelay=0;
else
{
if(2>=param.maxNumReferences)
{
encoderDelay=f*2*2;
}
else
{
encoderDelay=2*f*(x265Settings.MaxRefFrames-1);
}
}
if(!x265Settings.useAdvancedConfiguration)
{
x265_param_apply_profile(¶m, x265Settings.general.profile);
}
dumpx265Setup(¶m);
ADM_info("Creating x265 encoder\n");
handle = x265_encoder_open (¶m);
if (!handle)
{
ADM_error("Cannot initialize x265\n");
return 0;
}
ADM_info("x265, setup ok\n");
if (globalHeader)
{
ADM_info("Creating global header\n");
return createHeader ();
} else
ADM_info("No need for global header\n");
return true;
}
/***********************************************************************
* hb_work_encx265_init
***********************************************************************
*
**********************************************************************/
int encx265Init(hb_work_object_t *w, hb_job_t *job)
{
hb_work_private_t *pv = calloc(1, sizeof(hb_work_private_t));
pv->next_chapter_pts = AV_NOPTS_VALUE;
pv->delayed_chapters = hb_list_init();
pv->job = job;
w->private_data = pv;
int i, vrate, vrate_base;
x265_nal *nal;
uint32_t nnal;
x265_param *param = pv->param = x265_param_alloc();
if (x265_param_default_preset(param,
job->encoder_preset, job->encoder_tune) < 0)
{
free(pv);
pv = NULL;
return 1;
}
/* If the PSNR or SSIM tunes are in use, enable the relevant metric */
param->bEnablePsnr = param->bEnableSsim = 0;
if (job->encoder_tune != NULL && *job->encoder_tune)
{
char *tmp = strdup(job->encoder_tune);
char *tok = strtok(tmp, ",./-+");
do
{
if (!strncasecmp(tok, "psnr", 4))
{
param->bEnablePsnr = 1;
break;
}
if (!strncasecmp(tok, "ssim", 4))
{
param->bEnableSsim = 1;
break;
}
}
while ((tok = strtok(NULL, ",./-+")) != NULL);
free(tmp);
}
/*
* Some HandBrake-specific defaults; users can override them
* using the encoder_options string.
*/
hb_reduce(&vrate, &vrate_base, job->vrate, job->vrate_base);
param->fpsNum = vrate;
param->fpsDenom = vrate_base;
param->keyframeMin = (int)((double)vrate / (double)vrate_base + 0.5);
param->keyframeMax = param->keyframeMin * 10;
/* iterate through x265_opts and parse the options */
hb_dict_entry_t *entry = NULL;
hb_dict_t *x265_opts = hb_encopts_to_dict(job->encoder_options, job->vcodec);
while ((entry = hb_dict_next(x265_opts, entry)) != NULL)
{
// here's where the strings are passed to libx265 for parsing
int ret = x265_param_parse(param, entry->key, entry->value);
// let x265 sanity check the options for us
switch (ret)
{
case X265_PARAM_BAD_NAME:
hb_log("encx265: unknown option '%s'", entry->key);
break;
case X265_PARAM_BAD_VALUE:
hb_log("encx265: bad argument '%s=%s'", entry->key,
entry->value ? entry->value : "(null)");
break;
default:
break;
}
}
hb_dict_free(&x265_opts);
/*
* Settings which can't be overriden in the encodeer_options string
* (muxer-specific settings, resolution, ratecontrol, etc.).
*/
param->sourceWidth = job->width;
param->sourceHeight = job->height;
if (job->vquality > 0)
{
param->rc.rateControlMode = X265_RC_CRF;
param->rc.rfConstant = job->vquality;
}
else
{
param->rc.rateControlMode = X265_RC_ABR;
param->rc.bitrate = job->vbitrate;
}
/* statsfile (but not 2-pass) */
memset(pv->csvfn, 0, sizeof(pv->csvfn));
if (param->logLevel >= X265_LOG_DEBUG)
{
if (param->csvfn == NULL)
{
hb_get_tempory_filename(job->h, pv->csvfn, "x265.csv");
param->csvfn = pv->csvfn;
}
else
{
strncpy(pv->csvfn, param->csvfn, sizeof(pv->csvfn));
}
}
/* Apply profile and level settings last. */
if (x265_param_apply_profile(param, job->encoder_profile) < 0)
{
free(pv);
pv = NULL;
return 1;
}
/* we should now know whether B-frames are enabled */
job->areBframes = (param->bframes > 0) + (param->bframes > 0 &&
param->bBPyramid > 0);
pv->x265 = x265_encoder_open(param);
if (pv->x265 == NULL)
{
hb_error("encx265: x265_encoder_open failed.");
free(pv);
pv = NULL;
return 1;
}
if (x265_encoder_headers(pv->x265, &nal, &nnal) < 0)
{
hb_error("encx265: x265_encoder_headers failed.");
free(pv);
pv = NULL;
return 1;
}
/*
* x265's output (headers and bitstream) are in Annex B format.
*
* Write the header as is, and let the muxer reformat
* the extradata and output bitstream properly for us.
*/
w->config->h265.headers_length = 0;
for (i = 0; i < nnal; i++)
{
if (w->config->h265.headers_length +
nal[i].sizeBytes > HB_CONFIG_MAX_SIZE)
{
hb_error("encx265: bitstream headers too large");
free(pv);
pv = NULL;
return 1;
}
memcpy(w->config->h265.headers +
w->config->h265.headers_length,
nal[i].payload, nal[i].sizeBytes);
w->config->h265.headers_length += nal[i].sizeBytes;
}
return 0;
}
bool VideoEncoderX265::reconfigure(VideoFrame* orgFrame, VideoFrame* dstFrame)
{
int colorspace;
if (!needsConfig && orgFrame->getWidth() == xparams->sourceWidth &&
orgFrame->getHeight() == xparams->sourceHeight && orgFrame->getPixelFormat() == inPixFmt) {
return true;
}
inPixFmt = orgFrame->getPixelFormat();
switch (inPixFmt) {
case YUV420P:
libavInPixFmt = AV_PIX_FMT_YUV420P;
colorspace = X265_CSP_I420;
break;
/*TODO X265_CSP_I422 not supported yet. Continue checking x265 library releases for its support.
case YUV422P:
libavInPixFmt = AV_PIX_FMT_YUV422P;
colorspace = X265_CSP_I422;
break;*/
case YUV444P:
libavInPixFmt = AV_PIX_FMT_YUV444P;
colorspace = X265_CSP_I444;
break;
default:
utils::debugMsg("Uncompatibe input pixel format");
libavInPixFmt = AV_PIX_FMT_NONE;
/*TODO X265_CSP_NONE is not implemented. Continue checking x265 library releases for its support*/
colorspace = -1;
return false;
break;
}
picIn->colorSpace = colorspace;
x265_param_default_preset(xparams, preset.c_str(), NULL);
/*TODO check with NULL profile*/
x265_param_apply_profile(xparams, "main");
x265_param_parse(xparams, "keyint", std::to_string(gop).c_str());
x265_param_parse(xparams, "fps", std::to_string(fps).c_str());
x265_param_parse(xparams, "input-res", (std::to_string(orgFrame->getWidth()) + 'x' + std::to_string(orgFrame->getHeight())).c_str());
//TODO check same management for intra-refresh like x264
//x265_param_parse(xparams, "intra-refresh", std::to_string(0).c_str());
x265_param_parse(xparams, "frame-threads", std::to_string(threads).c_str());
x265_param_parse(xparams, "aud", std::to_string(1).c_str());
x265_param_parse(xparams, "bitrate", std::to_string(bitrate).c_str());
x265_param_parse(xparams, "bframes", std::to_string(0).c_str());
x265_param_parse(xparams, "repeat-headers", std::to_string(0).c_str());
x265_param_parse(xparams, "vbv-maxrate", std::to_string(bitrate*1.05).c_str());
x265_param_parse(xparams, "vbv-bufsize", std::to_string(bitrate*2).c_str());
x265_param_parse(xparams, "rc-lookahead", std::to_string(lookahead).c_str());
x265_param_parse(xparams, "annexb", std::to_string(1).c_str());
x265_param_parse(xparams, "scenecut", std::to_string(0).c_str());
if (annexB) {
x265_param_parse(xparams, "repeat-headers", std::to_string(1).c_str());
}
if (!encoder) {
encoder = x265_encoder_open(xparams);
} else {
/*TODO reimplement it when a reconfigure method appear*/
x265_encoder_close(encoder);
encoder = x265_encoder_open(xparams);
}
if (!encoder) {
utils::errorMsg("Error reconfiguring x265 encoder. At this point encoder should not be NULL...");
return false;
}
x265_picture_init(xparams, picIn);
x265_picture_init(xparams, picOut);
needsConfig = false;
if (!annexB) {
return encodeHeadersFrame(dstFrame);
}
return true;
}
