C++ (Cpp) ff_vp3dsp_init Examples

Example #1

File: vp56.c Project: Ancaro/stepmania

av_cold int ff_vp56_init_context(AVCodecContext *avctx, VP56Context *s,
                                  int flip, int has_alpha)
{
    int i;

    s->avctx = avctx;
    avctx->pix_fmt = has_alpha ? AV_PIX_FMT_YUVA420P : AV_PIX_FMT_YUV420P;
    if (avctx->skip_alpha) avctx->pix_fmt = AV_PIX_FMT_YUV420P;

    ff_h264chroma_init(&s->h264chroma, 8);
    ff_hpeldsp_init(&s->hdsp, avctx->flags);
    ff_videodsp_init(&s->vdsp, 8);
    ff_vp3dsp_init(&s->vp3dsp, avctx->flags);
    ff_vp56dsp_init(&s->vp56dsp, avctx->codec->id);
    for (i = 0; i < 64; i++) {
#define T(x) (x >> 3) | ((x & 7) << 3)
        s->idct_scantable[i] = T(ff_zigzag_direct[i]);
#undef T
    }

    for (i = 0; i < FF_ARRAY_ELEMS(s->frames); i++) {
        s->frames[i] = av_frame_alloc();
        if (!s->frames[i]) {
            ff_vp56_free(avctx);
            return AVERROR(ENOMEM);
        }
    }
    s->edge_emu_buffer_alloc = NULL;

    s->above_blocks = NULL;
    s->macroblocks = NULL;
    s->quantizer = -1;
    s->deblock_filtering = 1;
    s->golden_frame = 0;

    s->filter = NULL;

    s->has_alpha = has_alpha;

    s->modelp = &s->model;

    if (flip) {
        s->flip = -1;
        s->frbi = 2;
        s->srbi = 0;
    } else {
        s->flip = 1;
        s->frbi = 0;
        s->srbi = 2;
    }

    return 0;
}

Example #2

av_cold int ff_vp56_init_context(AVCodecContext *avctx, VP56Context *s,
                                  int flip, int has_alpha)
{
    int i;

    s->avctx = avctx;
    avctx->pix_fmt = has_alpha ? AV_PIX_FMT_YUVA420P : AV_PIX_FMT_YUV420P;

    ff_dsputil_init(&s->dsp, avctx);
    ff_h264chroma_init(&s->h264chroma, 8);
    ff_videodsp_init(&s->vdsp, 8);
    ff_vp3dsp_init(&s->vp3dsp, avctx->flags);
    ff_vp56dsp_init(&s->vp56dsp, avctx->codec->id);
    ff_init_scantable_permutation(s->dsp.idct_permutation, s->vp3dsp.idct_perm);
    ff_init_scantable(s->dsp.idct_permutation, &s->scantable,ff_zigzag_direct);

    for (i = 0; i < FF_ARRAY_ELEMS(s->frames); i++) {
        s->frames[i] = av_frame_alloc();
        if (!s->frames[i]) {
            ff_vp56_free(avctx);
            return AVERROR(ENOMEM);
        }
    }
    s->edge_emu_buffer_alloc = NULL;

    s->above_blocks = NULL;
    s->macroblocks = NULL;
    s->quantizer = -1;
    s->deblock_filtering = 1;
    s->golden_frame = 0;

    s->filter = NULL;

    s->has_alpha = has_alpha;

    s->modelp = &s->model;

    if (flip) {
        s->flip = -1;
        s->frbi = 2;
        s->srbi = 0;
    } else {
        s->flip = 1;
        s->frbi = 0;
        s->srbi = 2;
    }

    return 0;
}

Example #3

File: vp56.c Project: Ivnz/iFrameExtracotrWithFFMPEG

av_cold void ff_vp56_init_context(AVCodecContext *avctx, VP56Context *s,
                                  int flip, int has_alpha)
{
    int i;

    s->avctx = avctx;
    avctx->pix_fmt = has_alpha ? AV_PIX_FMT_YUVA420P : AV_PIX_FMT_YUV420P;

    ff_dsputil_init(&s->dsp, avctx);
    ff_videodsp_init(&s->vdsp, 8);
    ff_vp3dsp_init(&s->vp3dsp, avctx->flags);
    ff_vp56dsp_init(&s->vp56dsp, avctx->codec->id);
    ff_init_scantable_permutation(s->dsp.idct_permutation, s->vp3dsp.idct_perm);
    ff_init_scantable(s->dsp.idct_permutation, &s->scantable,ff_zigzag_direct);

    for (i=0; i<4; i++) {
        s->framep[i] = &s->frames[i];
        avcodec_get_frame_defaults(&s->frames[i]);
    }
    s->framep[VP56_FRAME_UNUSED] = s->framep[VP56_FRAME_GOLDEN];
    s->framep[VP56_FRAME_UNUSED2] = s->framep[VP56_FRAME_GOLDEN2];
    s->edge_emu_buffer_alloc = NULL;

    s->above_blocks = NULL;
    s->macroblocks = NULL;
    s->quantizer = -1;
    s->deblock_filtering = 1;
    s->golden_frame = 0;

    s->filter = NULL;

    s->has_alpha = has_alpha;

    s->modelp = &s->model;

    if (flip) {
        s->flip = -1;
        s->frbi = 2;
        s->srbi = 0;
    } else {
        s->flip = 1;
        s->frbi = 0;
        s->srbi = 2;
    }
}