Function ff_vaapi_alloc_slice

libavcodec/vaapi.c:147–176

}

VASliceParameterBufferBase *ff_vaapi_alloc_slice(struct vaapi_context *vactx, const uint8_t *buffer, uint32_t size)
{
    uint8_t *slice_params;
    VASliceParameterBufferBase *slice_param;

    if (!vactx->slice_data)
        vactx->slice_data = buffer;
    if (vactx->slice_data + vactx->slice_data_size != buffer) {
        if (commit_slices(vactx) < 0)
            return NULL;
        vactx->slice_data = buffer;
    }

    slice_params =
        av_fast_realloc(vactx->slice_params,
                        &vactx->slice_params_alloc,
                        (vactx->slice_count + 1) * vactx->slice_param_size);
    if (!slice_params)
        return NULL;
    vactx->slice_params = slice_params;

    slice_param = (VASliceParameterBufferBase *)(slice_params + vactx->slice_count * vactx->slice_param_size);
    slice_param->slice_data_size   = size;
    slice_param->slice_data_offset = vactx->slice_data_size;
    slice_param->slice_data_flag   = VA_SLICE_DATA_FLAG_ALL;

    vactx->slice_count++;
    vactx->slice_data_size += size;
    return slice_param;
}

int ff_vaapi_common_end_frame(MpegEncContext *s)
{