static void enc_preprocess(MSFilter *f){
EncData *d=(EncData*)f->data;
x264_param_t params;
float bitrate;
d->packer=rfc3984_new();
rfc3984_set_mode(d->packer,d->mode);
rfc3984_enable_stap_a(d->packer,FALSE);
x264_param_default(¶ms);
params.i_threads=0;
params.i_sync_lookahead=0;
params.i_width=d->vsize.width;
params.i_height=d->vsize.height;
params.i_fps_num=(int)d->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;
bitrate=(float)d->bitrate*0.92;
if (bitrate>RC_MARGIN)
bitrate-=RC_MARGIN;
params.rc.i_rc_method = X264_RC_ABR;
params.rc.i_bitrate=(int)(bitrate/1000);
params.rc.f_rate_tolerance=0.1;
params.rc.i_vbv_max_bitrate=(int) ((bitrate+RC_MARGIN/2)/1000);
params.rc.i_vbv_buffer_size=params.rc.i_vbv_max_bitrate;
params.rc.f_vbv_buffer_init=0.5;
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;
x264_param_apply_preset(¶ms,"faster");//将编码设置成superfast模式【相比其他模式，会有一些花屏】
x264_param_apply_tune(¶ms,"zerolatency");//将延时设置成最短
d->enc=x264_encoder_open(¶ms);
if (d->enc==NULL) ms_error("Fail to create x264 encoder.");
d->framenum=0;
video_starter_init(&d->starter);
}
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 void enc_preprocess(MSFilter *f) {
vpx_codec_err_t res;
EncState *s=(EncState*)f->data;
s->cfg.g_w = s->vconf.vsize.width;
s->cfg.g_h = s->vconf.vsize.height;
s->cfg.g_timebase.den=s->vconf.fps;
/* Initialize codec */
#ifdef FRAGMENT_ON_PARTITIONS
/* VPX_CODEC_USE_OUTPUT_PARTITION: output 1 frame per partition */
res = vpx_codec_enc_init(&s->codec, interface, &s->cfg, VPX_CODEC_USE_OUTPUT_PARTITION);
#else
res = vpx_codec_enc_init(&s->codec, interface, &s->cfg, 0);
#endif
if (res) {
ms_error("vpx_codec_enc_init failed: %s (%s)n", vpx_codec_err_to_string(res), vpx_codec_error_detail(&s->codec));
}
/*cpu/quality tradeoff: positive values decrease CPU usage at the expense of quality*/
vpx_codec_control(&s->codec, VP8E_SET_CPUUSED, (s->cfg.g_threads > 1) ? 10 : 10);
vpx_codec_control(&s->codec, VP8E_SET_STATIC_THRESHOLD, 0);
vpx_codec_control(&s->codec, VP8E_SET_ENABLEAUTOALTREF, 1);
if (s->cfg.g_threads > 1) {
if (vpx_codec_control(&s->codec, VP8E_SET_TOKEN_PARTITIONS, 2) != VPX_CODEC_OK) {
ms_error("VP8: failed to set multiple token partition");
} else {
ms_message("VP8: multiple token partitions used");
}
}
#ifdef FRAGMENT_ON_PARTITIONS
vpx_codec_control(&s->codec, VP8E_SET_TOKEN_PARTITIONS, 0x3);
s->token_partition_count = 8;
#endif
/* vpx_codec_control(&s->codec, VP8E_SET_CPUUSED, 0);*/ /* -16 (quality) .. 16 (speed) */
video_starter_init(&s->starter);
s->ready=TRUE;
}
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);
}
}