C++ (Cpp) x264_lookahead_slicetype_decide Beispiele

Beispiel #1

Datei: lookahead.c Projekt: InteractiviteVideoEtSystemes/x264

static void *x264_lookahead_thread( x264_t *h )
{
    while( !h->lookahead->b_exit_thread )
    {
        x264_pthread_mutex_lock( &h->lookahead->ifbuf.mutex );
        x264_pthread_mutex_lock( &h->lookahead->next.mutex );
        int shift = X264_MIN( h->lookahead->next.i_max_size - h->lookahead->next.i_size, h->lookahead->ifbuf.i_size );
        x264_lookahead_shift( &h->lookahead->next, &h->lookahead->ifbuf, shift );
        x264_pthread_mutex_unlock( &h->lookahead->next.mutex );
        if( h->lookahead->next.i_size <= h->lookahead->i_slicetype_length + h->param.b_vfr_input )
        {
            while( !h->lookahead->ifbuf.i_size && !h->lookahead->b_exit_thread )
                x264_pthread_cond_wait( &h->lookahead->ifbuf.cv_fill, &h->lookahead->ifbuf.mutex );
            x264_pthread_mutex_unlock( &h->lookahead->ifbuf.mutex );
        }
        else
        {
            x264_pthread_mutex_unlock( &h->lookahead->ifbuf.mutex );
            x264_lookahead_slicetype_decide( h );
        }
    }   /* end of input frames */
    x264_pthread_mutex_lock( &h->lookahead->ifbuf.mutex );
    x264_pthread_mutex_lock( &h->lookahead->next.mutex );
    x264_lookahead_shift( &h->lookahead->next, &h->lookahead->ifbuf, h->lookahead->ifbuf.i_size );
    x264_pthread_mutex_unlock( &h->lookahead->next.mutex );
    x264_pthread_mutex_unlock( &h->lookahead->ifbuf.mutex );
    while( h->lookahead->next.i_size )
        x264_lookahead_slicetype_decide( h );
    x264_pthread_mutex_lock( &h->lookahead->ofbuf.mutex );
    h->lookahead->b_thread_active = 0;
    x264_pthread_cond_broadcast( &h->lookahead->ofbuf.cv_fill );
    x264_pthread_mutex_unlock( &h->lookahead->ofbuf.mutex );
    return NULL;
}

Beispiel #2

Datei: lookahead.c Projekt: nicholasjalbert/Thrille

static void x264_lookahead_thread( x264_t *h )
{
    int shift;
#ifdef HAVE_MMX
    if( h->param.cpu&X264_CPU_SSE_MISALIGN )
        x264_cpu_mask_misalign_sse();
#endif
    while( !h->lookahead->b_exit_thread )
    {
        x264_pthread_mutex_lock( &h->lookahead->ifbuf.mutex );
        x264_pthread_mutex_lock( &h->lookahead->next.mutex );
        shift = X264_MIN( h->lookahead->next.i_max_size - h->lookahead->next.i_size, h->lookahead->ifbuf.i_size );
        x264_lookahead_shift( &h->lookahead->next, &h->lookahead->ifbuf, shift );
        x264_pthread_mutex_unlock( &h->lookahead->next.mutex );
        if( h->lookahead->next.i_size <= h->lookahead->i_slicetype_length )
        {
            while( !h->lookahead->ifbuf.i_size && !h->lookahead->b_exit_thread )
                x264_pthread_cond_wait( &h->lookahead->ifbuf.cv_fill, &h->lookahead->ifbuf.mutex );
            x264_pthread_mutex_unlock( &h->lookahead->ifbuf.mutex );
        }
        else
        {
            x264_pthread_mutex_unlock( &h->lookahead->ifbuf.mutex );
            x264_lookahead_slicetype_decide( h );
        }
    }   /* end of input frames */
#ifdef ERR1
    x264_pthread_mutex_lock( &h->lookahead->next.mutex );
    x264_pthread_mutex_lock( &h->lookahead->ifbuf.mutex );
#else
    x264_pthread_mutex_lock( &h->lookahead->ifbuf.mutex );
    x264_pthread_mutex_lock( &h->lookahead->next.mutex );
#endif
    x264_lookahead_shift( &h->lookahead->next, &h->lookahead->ifbuf, h->lookahead->ifbuf.i_size );
#ifdef ERR1
    x264_pthread_mutex_unlock( &h->lookahead->ifbuf.mutex );
    x264_pthread_mutex_unlock( &h->lookahead->next.mutex );
#else
    x264_pthread_mutex_unlock( &h->lookahead->next.mutex );
    x264_pthread_mutex_unlock( &h->lookahead->ifbuf.mutex );
#endif
    while( h->lookahead->next.i_size )
        x264_lookahead_slicetype_decide( h );
    x264_pthread_mutex_lock( &h->lookahead->ofbuf.mutex );
    h->lookahead->b_thread_active = 0;
    x264_pthread_cond_broadcast( &h->lookahead->ofbuf.cv_fill );
    x264_pthread_mutex_unlock( &h->lookahead->ofbuf.mutex );
}