Function cfhd_encode_frame

libavcodec/cfhdenc.c:425–806

}

static int cfhd_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
                             const AVFrame *frame, int *got_packet)
{
    CFHDEncContext *s = avctx->priv_data;
    CFHDEncDSPContext *dsp = &s->dsp;
    PutByteContext *pby = &s->pby;
    PutBitContext *pb = &s->pb;
    const Codebook *const cb = s->cb;
    const Runbook *const rb = s->rb;
    const uint16_t *lut = s->lut;
    unsigned pos;
    int ret;

    for (int plane = 0; plane < s->planes; plane++) {
        const int h_shift = plane ? s->chroma_h_shift : 0;
        int width = s->plane[plane].band[2][0].width;
        int a_width = s->plane[plane].band[2][0].a_width;
        int height = s->plane[plane].band[2][0].height;
        int act_plane = plane == 1 ? 2 : plane == 2 ? 1 : plane;
        const int16_t *input = (int16_t *)frame->data[act_plane];
        int16_t *buf;
        int16_t *low = s->plane[plane].l_h[6];
        int16_t *high = s->plane[plane].l_h[7];
        ptrdiff_t in_stride = frame->linesize[act_plane] / 2;
        int low_stride, high_stride;

        if (plane == 3) {
            process_alpha(input, avctx->width, avctx->height,
                          in_stride, s->alpha);
            input = s->alpha;
            in_stride = avctx->width;
        }

        dsp->horiz_filter(input, low, high,
                          in_stride, a_width, a_width,
                          avctx->width >> h_shift, avctx->height);

        input = s->plane[plane].l_h[7];
        low = s->plane[plane].subband[7];
        low_stride = s->plane[plane].band[2][0].a_width;
        high = s->plane[plane].subband[9];
        high_stride = s->plane[plane].band[2][0].a_width;

        dsp->vert_filter(input, low, high,
                         a_width, low_stride, high_stride,
                         width, height * 2);

        input = s->plane[plane].l_h[6];
        low = s->plane[plane].l_h[7];
        high = s->plane[plane].subband[8];

        dsp->vert_filter(input, low, high,
                         a_width, low_stride, high_stride,
                         width, height * 2);

        a_width = s->plane[plane].band[1][0].a_width;
        width = s->plane[plane].band[1][0].width;
        height = s->plane[plane].band[1][0].height;