Function decode_frame

libavcodec/bink.c:897–939

}

static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPacket *pkt)
{
    BinkContext * const c = avctx->priv_data;
    GetBitContext gb;
    int plane, plane_idx;
    int bits_count = pkt->size << 3;

    if(c->pic.data[0])
        avctx->release_buffer(avctx, &c->pic);

    if(avctx->get_buffer(avctx, &c->pic) < 0){
        av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
        return -1;
    }

    init_get_bits(&gb, pkt->data, bits_count);
    if (c->has_alpha) {
        if (c->version >= 'i')
            skip_bits_long(&gb, 32);
        if (bink_decode_plane(c, &gb, 3, 0) < 0)
            return -1;
    }
    if (c->version >= 'i')
        skip_bits_long(&gb, 32);

    for (plane = 0; plane < 3; plane++) {
        plane_idx = (!plane || !c->swap_planes) ? plane : (plane ^ 3);

        if (bink_decode_plane(c, &gb, plane_idx, !!plane) < 0)
            return -1;
        if (get_bits_count(&gb) >= bits_count)
            break;
    }
    emms_c();

    *data_size = sizeof(AVFrame);
    *(AVFrame*)data = c->pic;

    FFSWAP(AVFrame, c->pic, c->last);

    /* always report that the buffer was completely consumed */
    return pkt->size;
}

static av_cold int decode_init(AVCodecContext *avctx)
{