static int enc_get_configuration_list(MSFilter *f, void *data) {
const MSVideoConfiguration **vconf_list = (const MSVideoConfiguration **)data;
MS_UNUSED(f);
if (ms_get_cpu_count() > 1) *vconf_list = &multicore_vp8_conf_list[0];
else *vconf_list = &vp8_conf_list[0];
return 0;
}
void MSOpenH264Encoder::initialize()
{
mFrameCount = 0;
mPacker = rfc3984_new();
rfc3984_set_mode(mPacker, mPacketisationMode);
rfc3984_enable_stap_a(mPacker, FALSE);
if (mEncoder != 0) {
SEncParamExt params;
int ret = mEncoder->GetDefaultParams(¶ms);
if (ret != 0) {
ms_error("OpenH264 encoder: Failed getting default params: %d", ret);
} else {
int targetBitrate, maxBitrate;
calcBitrates(targetBitrate, maxBitrate);
params.iUsageType = CAMERA_VIDEO_REAL_TIME;
params.iInputCsp = videoFormatI420;
params.iPicWidth = mVConf.vsize.width;
params.iPicHeight = mVConf.vsize.height;
params.iTargetBitrate = targetBitrate;
params.iMaxBitrate = maxBitrate;
params.iRCMode = RC_LOW_BW_MODE;
params.fMaxFrameRate = mVConf.fps;
params.uiIntraPeriod=mVConf.fps*10;
params.bEnableSpsPpsIdAddition=0;
//params.bEnableRc = true;
params.bEnableFrameSkip = true;
params.bPrefixNalAddingCtrl = false;
params.uiMaxNalSize = ms_get_payload_max_size();
params.iMultipleThreadIdc = ms_get_cpu_count();
params.bEnableDenoise = false;
params.bEnableBackgroundDetection = true;
params.bEnableAdaptiveQuant = true;
params.bEnableSceneChangeDetect = false;
params.bEnableLongTermReference = false;
params.iSpatialLayerNum=1;
params.sSpatialLayers[0].iVideoWidth = mVConf.vsize.width;
params.sSpatialLayers[0].iVideoHeight = mVConf.vsize.height;
params.sSpatialLayers[0].fFrameRate = mVConf.fps;
params.sSpatialLayers[0].iSpatialBitrate = targetBitrate;
params.sSpatialLayers[0].iMaxSpatialBitrate = maxBitrate;
params.sSpatialLayers[0].sSliceCfg.uiSliceMode = SM_DYN_SLICE;
params.sSpatialLayers[0].sSliceCfg.sSliceArgument.uiSliceSizeConstraint = ms_get_payload_max_size();
ret = mEncoder->InitializeExt(¶ms);
if (ret != 0) {
ms_error("OpenH264 encoder: Failed to initialize: %d", ret);
} else {
ret = mEncoder->SetOption(ENCODER_OPTION_TRACE_LEVEL, &debugLevel);
if (ret != 0) {
ms_error("OpenH264 encoder: Failed setting trace level: %d", ret);
}
mInitialized = true;
}
}
}
}
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);
}
}
static int enc_set_vsize(MSFilter *f, void *arg){
MSVideoConfiguration best_vconf;
EncData *d = (EncData *)f->data;
MSVideoSize *vs = (MSVideoSize *)arg;
best_vconf = ms_video_find_best_configuration_for_size(d->vconf_list, *vs, ms_get_cpu_count());
d->vconf.vsize = *vs;
d->vconf.fps = best_vconf.fps;
d->vconf.bitrate_limit = best_vconf.bitrate_limit;
enc_set_configuration(f, &d->vconf);
return 0;
}
static void enc_init(MSFilter *f) {
vpx_codec_err_t res;
MSVideoSize vsize;
EncState *s=(EncState *)ms_new0(EncState,1);
ms_message("Using %s\n",vpx_codec_iface_name(interface));
/* Populate encoder configuration */
res = vpx_codec_enc_config_default(interface, &s->cfg, 0);
if(res) {
ms_error("Failed to get config: %s\n", vpx_codec_err_to_string(res));
}
if (ms_get_cpu_count() > 1) s->vconf_list = &multicore_vp8_conf_list[0];
else s->vconf_list = &vp8_conf_list[0];
MS_VIDEO_SIZE_ASSIGN(vsize, CIF);
s->vconf = ms_video_find_best_configuration_for_size(s->vconf_list, vsize);
s->frame_count = 0;
s->cfg.g_w = s->vconf.vsize.width;
s->cfg.g_h = s->vconf.vsize.height;
/* encoder automatically places keyframes */
s->cfg.kf_mode = VPX_KF_AUTO;
s->cfg.kf_max_dist = 300;
s->cfg.rc_target_bitrate = ((float)s->vconf.required_bitrate)*0.92/1024.0; //0.9=take into account IP/UDP/RTP overhead, in average.
s->cfg.g_pass = VPX_RC_ONE_PASS; /* -p 1 */
s->cfg.g_timebase.num = 1;
s->cfg.g_timebase.den = s->vconf.fps;
s->cfg.rc_end_usage = VPX_CBR; /* --end-usage=cbr */
#if TARGET_IPHONE_SIMULATOR
s->cfg.g_threads = 1; /*workaround to remove crash on ipad simulator*/
#else
s->cfg.g_threads = ms_get_cpu_count();
#endif
ms_message("VP8 g_threads=%d", s->cfg.g_threads);
s->cfg.rc_undershoot_pct = 95; /* --undershoot-pct=95 */
s->cfg.g_error_resilient = 1;
s->cfg.g_lag_in_frames = 0;
s->mtu=ms_get_payload_max_size()-1;/*-1 for the vp8 payload header*/
f->data = s;
}
static void enc_init(MSFilter *f){
EncData *d=ms_new(EncData,1);
d->enc=NULL;
d->keyframe_int=10; /*10 seconds */
d->mode=0;
d->framenum=0;
d->generate_keyframe=FALSE;
d->packer=NULL;
d->vconf_list=x264_conf_list;
d->vconf = ms_video_find_best_configuration_for_bitrate(d->vconf_list, 384000, ms_get_cpu_count());
f->data=d;
}
static void enc_init(MSFilter *f){
MSVideoSize vsize;
EncData *d=ms_new0(EncData,1);
d->packer=NULL;
d->isYUV=TRUE;
d->mode=1;
d->avpf_enabled=FALSE;
d->force_keyframe=FALSE;
d->framenum=0;
d->vconf_list=mediaCodecH264_conf_list;
MS_VIDEO_SIZE_ASSIGN(vsize, CIF);
d->vconf = ms_video_find_best_configuration_for_size(d->vconf_list, vsize, ms_get_cpu_count());
f->data=d;
}
static void enc_preprocess(MSFilter *f){
EncData *d=(EncData*)f->data;
x264_param_t *params=&d->params;
d->packer=rfc3984_new();
rfc3984_set_mode(d->packer,d->mode);
rfc3984_enable_stap_a(d->packer,FALSE);
#if defined(__arm__) || defined(ANDROID)
if (x264_param_default_preset(params,"superfast"/*"ultrafast"*/,"zerolatency")) {
ms_error("Cannot apply default x264 configuration");
}
#else
x264_param_default(params);
#endif
params->i_threads=ms_get_cpu_count();
params->i_sync_lookahead=0;
params->i_width=d->vconf.vsize.width;
params->i_height=d->vconf.vsize.height;
params->i_fps_num=(int)d->vconf.fps;
params->i_fps_den=1;
params->i_slice_max_size=ms_get_payload_max_size()-100; /*-100 security margin*/
params->i_level_idc=13;
apply_bitrate(f);
params->rc.i_lookahead=0;
/*enable this by config ?*/
/*
params.i_keyint_max = (int)d->fps*d->keyframe_int;
params.i_keyint_min = (int)d->fps;
*/
params->b_repeat_headers=1;
params->b_annexb=0;
//these parameters must be set so that our stream is baseline
params->analyse.b_transform_8x8 = 0;
params->b_cabac = 0;
params->i_cqm_preset = X264_CQM_FLAT;
params->i_bframe = 0;
params->analyse.i_weighted_pred = X264_WEIGHTP_NONE;
d->enc=x264_encoder_open(params);
if (d->enc==NULL) ms_error("Fail to create x264 encoder.");
d->framenum=0;
video_starter_init(&d->starter);
}
static int enc_set_br(MSFilter *f, void*data) {
int br = *(int *)data;
const MSVideoConfiguration *current_vconf;
const MSVideoConfiguration *closer_to_best_vconf = NULL;
MSVideoConfiguration best_vconf;
if (ms_get_cpu_count() > 1) current_vconf = &multicore_vp8_conf_list[0];
else current_vconf = &vp8_conf_list[0];
while (closer_to_best_vconf == NULL) {
if ((br >= current_vconf->bitrate) || (current_vconf->bitrate == 0)) {
closer_to_best_vconf = current_vconf;
} else {
current_vconf++;
}
}
memcpy(&best_vconf, closer_to_best_vconf, sizeof(best_vconf));
best_vconf.bitrate = br;
enc_set_configuration(f, &best_vconf);
return 0;
}
static void enc_init(MSFilter *f) {
vpx_codec_err_t res;
EncState *s=(EncState *)ms_new0(EncState,1);
ms_message("Using %s\n",vpx_codec_iface_name(interface));
/* Populate encoder configuration */
res = vpx_codec_enc_config_default(interface, &s->cfg, 0);
if(res) {
ms_error("Failed to get config: %s\n", vpx_codec_err_to_string(res));
}
s->width = MS_VIDEO_SIZE_CIF_W;
s->height = MS_VIDEO_SIZE_CIF_H;
s->bitrate=256000;
s->frame_count = 0;
s->cfg.g_w = s->width;
s->cfg.g_h = s->height;
/* encoder automatically places keyframes */
s->cfg.kf_mode = VPX_KF_AUTO;
s->cfg.kf_max_dist = 300;
s->cfg.rc_target_bitrate = ((float)s->bitrate)*0.92/1024.0; //0.9=take into account IP/UDP/RTP overhead, in average.
s->cfg.g_pass = VPX_RC_ONE_PASS; /* -p 1 */
s->fps=15;
s->cfg.g_timebase.num = 1;
s->cfg.g_timebase.den = s->fps;
s->cfg.rc_end_usage = VPX_CBR; /* --end-usage=cbr */
s->cfg.g_threads = ms_get_cpu_count();
ms_message("VP8 g_threads=%d", s->cfg.g_threads);
s->cfg.rc_undershoot_pct = 95; /* --undershoot-pct=95 */
s->cfg.g_error_resilient = 1;
s->cfg.g_lag_in_frames = 0;
s->mtu=ms_get_payload_max_size()-1;/*-1 for the vp8 payload header*/
f->data = s;
}
static int enc_set_br(MSFilter *f, void *arg) {
EncData *d = (EncData *)f->data;
int br = *(int *)arg;
if (d->codec != NULL) {
/* Encoding is already ongoing, do not change video size, only bitrate. */
d->vconf.required_bitrate = br;
enc_set_configuration(f,&d->vconf);
} else {
MSVideoConfiguration best_vconf = ms_video_find_best_configuration_for_bitrate(d->vconf_list, br, ms_get_cpu_count());
enc_set_configuration(f, &best_vconf);
}
return 0;
}
static void enc_preprocess(MSFilter *f){
EncData *d=(EncData*)f->data;
x264_param_t *params=&d->params;
d->packer=rfc3984_new();
rfc3984_set_mode(d->packer,d->mode);
rfc3984_enable_stap_a(d->packer,FALSE);
#if defined(__arm__) || defined(ANDROID)
if (x264_param_default_preset(params,"superfast"/*"ultrafast"*/,"zerolatency")) {
#else
x264_param_default(params); {
#endif
ms_error("Cannot apply default x264 configuration");
};
params->i_threads=ms_get_cpu_count();
params->i_sync_lookahead=0;
params->i_width=d->vconf.vsize.width;
params->i_height=d->vconf.vsize.height;
params->i_fps_num=(int)d->vconf.fps;
params->i_fps_den=1;
params->i_slice_max_size=ms_get_payload_max_size()-100; /*-100 security margin*/
params->i_level_idc=13;
apply_bitrate(f);
params->rc.i_lookahead=0;
/*enable this by config ?*/
/*
params.i_keyint_max = (int)d->fps*d->keyframe_int;
params.i_keyint_min = (int)d->fps;
*/
params->b_repeat_headers=1;
params->b_annexb=0;
//these parameters must be set so that our stream is baseline
params->analyse.b_transform_8x8 = 0;
params->b_cabac = 0;
params->i_cqm_preset = X264_CQM_FLAT;
params->i_bframe = 0;
params->analyse.i_weighted_pred = X264_WEIGHTP_NONE;
d->enc=x264_encoder_open(params);
if (d->enc==NULL) ms_error("Fail to create x264 encoder.");
d->framenum=0;
video_starter_init(&d->starter);
}
static void x264_nals_to_msgb(x264_nal_t *xnals, int num_nals, MSQueue * nalus){
int i;
mblk_t *m;
/*int bytes;*/
for (i=0;i<num_nals;++i){
m=allocb(xnals[i].i_payload+10,0);
memcpy(m->b_wptr,xnals[i].p_payload+4,xnals[i].i_payload-4);
m->b_wptr+=xnals[i].i_payload-4;
if (xnals[i].i_type==7) {
ms_message("A SPS is being sent.");
}else if (xnals[i].i_type==8) {
ms_message("A PPS is being sent.");
}
ms_queue_put(nalus,m);
}
}
void MSOpenH264Encoder::setSize(MSVideoSize size)
{
MSVideoConfiguration best_vconf = ms_video_find_best_configuration_for_size(mVConfList, size, ms_get_cpu_count());
mVConf.vsize = size;
mVConf.fps = best_vconf.fps;
mVConf.bitrate_limit = best_vconf.bitrate_limit;
setConfiguration(mVConf);
}
void MSOpenH264Encoder::setBitrate(int bitrate)
{
if (isInitialized()) {
// Encoding is already ongoing, do not change video size, only bitrate.
mVConf.required_bitrate = bitrate;
setConfiguration(mVConf);
} else {
MSVideoConfiguration best_vconf = ms_video_find_best_configuration_for_bitrate(mVConfList, bitrate, ms_get_cpu_count());
setConfiguration(best_vconf);
}
}
