Function vaapi_encode_make_packed_header

libavcodec/vaapi_encode.c:41–85

};

static int vaapi_encode_make_packed_header(AVCodecContext *avctx,
                                           VAAPIEncodePicture *pic,
                                           int type, char *data, size_t bit_len)
{
    VAAPIEncodeContext *ctx = avctx->priv_data;
    VAStatus vas;
    VABufferID param_buffer, data_buffer;
    VABufferID *tmp;
    VAEncPackedHeaderParameterBuffer params = {
        .type = type,
        .bit_length = bit_len,
        .has_emulation_bytes = 1,
    };

    tmp = av_realloc_array(pic->param_buffers, pic->nb_param_buffers + 2, sizeof(*tmp));
    if (!tmp)
        return AVERROR(ENOMEM);
    pic->param_buffers = tmp;

    vas = vaCreateBuffer(ctx->hwctx->display, ctx->va_context,
                         VAEncPackedHeaderParameterBufferType,
                         sizeof(params), 1, &params, &param_buffer);
    if (vas != VA_STATUS_SUCCESS) {
        av_log(avctx, AV_LOG_ERROR, "Failed to create parameter buffer "
               "for packed header (type %d): %d (%s).\n",
               type, vas, vaErrorStr(vas));
        return AVERROR(EIO);
    }
    pic->param_buffers[pic->nb_param_buffers++] = param_buffer;

    vas = vaCreateBuffer(ctx->hwctx->display, ctx->va_context,
                         VAEncPackedHeaderDataBufferType,
                         (bit_len + 7) / 8, 1, data, &data_buffer);
    if (vas != VA_STATUS_SUCCESS) {
        av_log(avctx, AV_LOG_ERROR, "Failed to create data buffer "
               "for packed header (type %d): %d (%s).\n",
               type, vas, vaErrorStr(vas));
        return AVERROR(EIO);
    }
    pic->param_buffers[pic->nb_param_buffers++] = data_buffer;

    av_log(avctx, AV_LOG_DEBUG, "Packed header buffer (%d) is %#x/%#x "
           "(%zu bits).\n", type, param_buffer, data_buffer, bit_len);
    return 0;
}

static int vaapi_encode_make_param_buffer(AVCodecContext *avctx,
                                          VAAPIEncodePicture *pic,