C++ (Cpp) align_stride Examples

Example #1

File: frame.c Project: BantouTV/obe-vod

static x264_frame_t *x264_frame_new( x264_t *h, int b_fdec )
{
    x264_frame_t *frame;
    int i_csp = x264_frame_internal_csp( h->param.i_csp );
    int i_mb_count = h->mb.i_mb_count;
    int i_stride, i_width, i_lines, luma_plane_count;
    int i_padv = PADV << PARAM_INTERLACED;
    int align = h->param.cpu&X264_CPU_CACHELINE_64 ? 64 : h->param.cpu&X264_CPU_CACHELINE_32 ? 32 : 16;
    int disalign = h->param.cpu&X264_CPU_ALTIVEC ? 1<<9 : 1<<10;

    CHECKED_MALLOCZERO( frame, sizeof(x264_frame_t) );

    /* allocate frame data (+64 for extra data for me) */
    i_width  = h->mb.i_mb_width*16;
    i_lines  = h->mb.i_mb_height*16;
    i_stride = align_stride( i_width + 2*PADH, align, disalign );

    if( i_csp == X264_CSP_NV12 || i_csp == X264_CSP_NV16 )
    {
        luma_plane_count = 1;
        frame->i_plane = 2;
        for( int i = 0; i < 2; i++ )
        {
            frame->i_width[i] = i_width >> i;
            frame->i_lines[i] = i_lines >> (i && i_csp == X264_CSP_NV12);
            frame->i_stride[i] = i_stride;
        }
    }

Example #2

File: frame.c Project: YamashitaRen/x264

static x264_frame_t *x264_frame_new( x264_t *h, int b_fdec )
{
    x264_frame_t *frame;
    int i_csp = x264_frame_internal_csp( h->param.i_csp );
    int i_mb_count = h->mb.i_mb_count;
    int i_stride, i_width, i_lines, luma_plane_count;
    int i_padv = PADV << PARAM_INTERLACED;
    int align = 16;
#if ARCH_X86 || ARCH_X86_64
    if( h->param.cpu&X264_CPU_CACHELINE_64 )
        align = 64;
    else if( h->param.cpu&X264_CPU_CACHELINE_32 || h->param.cpu&X264_CPU_AVX )
        align = 32;
#endif
#if ARCH_PPC
    int disalign = 1<<9;
#else
    int disalign = 1<<10;
#endif

    CHECKED_MALLOCZERO( frame, sizeof(x264_frame_t) );
    PREALLOC_INIT

    /* allocate frame data (+64 for extra data for me) */
    i_width  = h->mb.i_mb_width*16;
    i_lines  = h->mb.i_mb_height*16;
    i_stride = align_stride( i_width + 2*PADH, align, disalign );

    if( i_csp == X264_CSP_NV12 || i_csp == X264_CSP_NV16 )
    {
        luma_plane_count = 1;
        frame->i_plane = 2;
        for( int i = 0; i < 2; i++ )
        {
            frame->i_width[i] = i_width >> i;
            frame->i_lines[i] = i_lines >> (i && i_csp == X264_CSP_NV12);
            frame->i_stride[i] = i_stride;
        }
    }