[FFmpeg-devel] [PATCH 3/4] libavfilter/dnn/dnn_backend_native: find the input operand according to input name

[Pedro Arthur]

Em sex, 20 de set de 2019 às 01:01, Guo, Yejun <yejun.guo at intel.com> escreveu:
>
> Signed-off-by: Guo, Yejun <yejun.guo at intel.com>
> ---
>  libavfilter/dnn/dnn_backend_native.c | 39 +++++++++++++++++++++---------------
>  1 file changed, 23 insertions(+), 16 deletions(-)
>
> diff --git a/libavfilter/dnn/dnn_backend_native.c b/libavfilter/dnn/dnn_backend_native.c
> index 22a9a33..1b0aea2 100644
> --- a/libavfilter/dnn/dnn_backend_native.c
> +++ b/libavfilter/dnn/dnn_backend_native.c
> @@ -33,30 +33,37 @@
>  static DNNReturnType set_input_output_native(void *model, DNNInputData *input, const char *input_name, const char **output_names, uint32_t nb_output)
>  {
>      ConvolutionalNetwork *network = (ConvolutionalNetwork *)model;
> +    DnnOperand *oprd = NULL;
>
>      if (network->layers_num <= 0 || network->operands_num <= 0)
>          return DNN_ERROR;
>
>      av_assert0(input->dt == DNN_FLOAT);
> +    for (int i = 0; i < network->operands_num; ++i) {
> +        oprd = &network->operands[i];
> +        if (strcmp(oprd->name, input_name) == 0) {
> +            if (oprd->type != DOT_INPUT)
> +                return DNN_ERROR;
> +            break;
> +        }
> +        oprd = NULL;
> +    }
>
> -    /**
> -     * as the first step, suppose network->operands[0] is the input operand.
> -     */
> -    network->operands[0].dims[0] = 1;
> -    network->operands[0].dims[1] = input->height;
> -    network->operands[0].dims[2] = input->width;
> -    network->operands[0].dims[3] = input->channels;
> -    network->operands[0].type = DOT_INPUT;
> -    network->operands[0].data_type = DNN_FLOAT;
> -    network->operands[0].isNHWC = 1;
> -
> -    av_freep(&network->operands[0].data);
> -    network->operands[0].length = calculate_operand_data_length(&network->operands[0]);
> -    network->operands[0].data = av_malloc(network->operands[0].length);
> -    if (!network->operands[0].data)
> +    if (!oprd)
> +        return DNN_ERROR;
> +
> +    oprd->dims[0] = 1;
> +    oprd->dims[1] = input->height;
> +    oprd->dims[2] = input->width;
> +    oprd->dims[3] = input->channels;
> +
> +    av_freep(&oprd->data);
> +    oprd->length = calculate_operand_data_length(oprd);
> +    oprd->data = av_malloc(oprd->length);
> +    if (!oprd->data)
>          return DNN_ERROR;
>
> -    input->data = network->operands[0].data;
> +    input->data = oprd->data;
>      return DNN_SUCCESS;
>  }
>
> --
> 2.7.4
>
LGTM, pushed.

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