Function vk_prores_decode_slice

libavcodec/vulkan_prores.c:123–153

}

static int vk_prores_decode_slice(AVCodecContext *avctx,
                                  const uint8_t  *data,
                                  uint32_t        size)
{
    ProresContext             *pr = avctx->priv_data;
    ProresVulkanDecodePicture *pp = pr->hwaccel_picture_private;
    FFVulkanDecodePicture     *vp = &pp->vp;

    FFVkBuffer *slice_offset = (FFVkBuffer *)pp->metadata_buf->data;
    FFVkBuffer *slices_buf   = vp->slices_buf ? (FFVkBuffer *)vp->slices_buf->data : NULL;

    /* Skip picture header */
    if (slices_buf && slices_buf->host_ref && !pp->slice_num)
        pp->bitstream_size = data - slices_buf->mapped_mem;

    AV_WN32(slice_offset->mapped_mem + (pp->slice_num + 0) * sizeof(uint32_t),
            pp->bitstream_size);
    AV_WN32(slice_offset->mapped_mem + (pp->slice_num + 1) * sizeof(uint32_t),
            pp->bitstream_size += size);

    if (!slices_buf || !slices_buf->host_ref) {
        int err = ff_vk_decode_add_slice(avctx, vp, data, size, 0,
                                         &pp->slice_num, NULL);
        if (err < 0)
            return err;
    } else {
        pp->slice_num++;
    }

    return 0;
}

static int vk_prores_end_frame(AVCodecContext *avctx)
{