PeerStreamer

static double modify_qscale(MpegEncContext *s, RateControlEntry *rce, double q, int frame_num){

    RateControlContext *rcc= &s->rc_context;

    int qmin, qmax;

    const int pict_type= rce->new_pict_type;

    const double buffer_size= s->avctx->rc_buffer_size;

    const double fps= 1/av_q2d(s->avctx->time_base);

    if(s->avctx->rc_qmod_freq && frame_num%s->avctx->rc_qmod_freq==0 && pict_type==FF_P_TYPE)

        q*= s->avctx->rc_qmod_amp;

//printf("q:%f\n", q);

    /* buffer overflow/underflow protection */

    if(buffer_size){