[FFmpeg-devel,V2,3/7] libavfilter/dnn: remove limit for the name of DNN model input/output

remove the requirment that the name of DNN model input/output
should be "x"/"y",

Signed-off-by: Guo, Yejun <yejun.guo@intel.com>
---
 libavfilter/dnn_backend_native.c |  2 +-
 libavfilter/dnn_backend_tf.c     | 10 +++++-----
 libavfilter/dnn_interface.h      |  2 +-
 libavfilter/vf_sr.c              |  4 ++--
 4 files changed, 9 insertions(+), 9 deletions(-)

Em qua, 24 de abr de 2019 às 23:14, Guo, Yejun <yejun.guo@intel.com> escreveu:
>
> remove the requirment that the name of DNN model input/output
> should be "x"/"y",
>
> Signed-off-by: Guo, Yejun <yejun.guo@intel.com>
> ---
>  libavfilter/dnn_backend_native.c |  2 +-
>  libavfilter/dnn_backend_tf.c     | 10 +++++-----
>  libavfilter/dnn_interface.h      |  2 +-
>  libavfilter/vf_sr.c              |  4 ++--
>  4 files changed, 9 insertions(+), 9 deletions(-)
>
> diff --git a/libavfilter/dnn_backend_native.c b/libavfilter/dnn_backend_native.c
> index 70d857f..fe43116 100644
> --- a/libavfilter/dnn_backend_native.c
> +++ b/libavfilter/dnn_backend_native.c
> @@ -25,7 +25,7 @@
>
>  #include "dnn_backend_native.h"
>
> -static DNNReturnType set_input_output_native(void *model, DNNData *input, DNNData *output)
> +static DNNReturnType set_input_output_native(void *model, DNNData *input, const char *input_name, DNNData *output, const char *output_name)
>  {
>      ConvolutionalNetwork *network = (ConvolutionalNetwork *)model;
>      InputParams *input_params;
> diff --git a/libavfilter/dnn_backend_tf.c b/libavfilter/dnn_backend_tf.c
> index 9e0c127..a838907 100644
> --- a/libavfilter/dnn_backend_tf.c
> +++ b/libavfilter/dnn_backend_tf.c
> @@ -76,7 +76,7 @@ static TF_Buffer *read_graph(const char *model_filename)
>      return graph_buf;
>  }
>
> -static DNNReturnType set_input_output_tf(void *model, DNNData *input, DNNData *output)
> +static DNNReturnType set_input_output_tf(void *model, DNNData *input, const char *input_name, DNNData *output, const char *output_name)
>  {
>      TFModel *tf_model = (TFModel *)model;
>      int64_t input_dims[] = {1, input->height, input->width, input->channels};
> @@ -84,8 +84,8 @@ static DNNReturnType set_input_output_tf(void *model, DNNData *input, DNNData *o
>      const TF_Operation *init_op = TF_GraphOperationByName(tf_model->graph, "init");
>      TF_Tensor *output_tensor;
>
> -    // Input operation should be named 'x'
> -    tf_model->input.oper = TF_GraphOperationByName(tf_model->graph, "x");
> +    // Input operation
> +    tf_model->input.oper = TF_GraphOperationByName(tf_model->graph, input_name);
>      if (!tf_model->input.oper){
>          return DNN_ERROR;
>      }
> @@ -100,8 +100,8 @@ static DNNReturnType set_input_output_tf(void *model, DNNData *input, DNNData *o
>      }
>      input->data = (float *)TF_TensorData(tf_model->input_tensor);
>
> -    // Output operation should be named 'y'
> -    tf_model->output.oper = TF_GraphOperationByName(tf_model->graph, "y");
> +    // Output operation
> +    tf_model->output.oper = TF_GraphOperationByName(tf_model->graph, output_name);
>      if (!tf_model->output.oper){
>          return DNN_ERROR;
>      }
> diff --git a/libavfilter/dnn_interface.h b/libavfilter/dnn_interface.h
> index e367343..0390e39 100644
> --- a/libavfilter/dnn_interface.h
> +++ b/libavfilter/dnn_interface.h
> @@ -40,7 +40,7 @@ typedef struct DNNModel{
>      void *model;
>      // Sets model input and output, while allocating additional memory for intermediate calculations.
>      // Should be called at least once before model execution.
> -    DNNReturnType (*set_input_output)(void *model, DNNData *input, DNNData *output);
> +    DNNReturnType (*set_input_output)(void *model, DNNData *input, const char *input_name, DNNData *output, const char *output_name);
>  } DNNModel;
>
>  // Stores pointers to functions for loading, executing, freeing DNN models for one of the backends.
> diff --git a/libavfilter/vf_sr.c b/libavfilter/vf_sr.c
> index 9bb0fc5..085ac19 100644
> --- a/libavfilter/vf_sr.c
> +++ b/libavfilter/vf_sr.c
> @@ -122,7 +122,7 @@ static int config_props(AVFilterLink *inlink)
>      sr_context->input.height = inlink->h * sr_context->scale_factor;
>      sr_context->input.channels = 1;
>
> -    result = (sr_context->model->set_input_output)(sr_context->model->model, &sr_context->input, &sr_context->output);
> +    result = (sr_context->model->set_input_output)(sr_context->model->model, &sr_context->input, "x", &sr_context->output, "y");
>      if (result != DNN_SUCCESS){
>          av_log(context, AV_LOG_ERROR, "could not set input and output for the model\n");
>          return AVERROR(EIO);
> @@ -131,7 +131,7 @@ static int config_props(AVFilterLink *inlink)
>      if (sr_context->input.height != sr_context->output.height || sr_context->input.width != sr_context->output.width){
>          sr_context->input.width = inlink->w;
>          sr_context->input.height = inlink->h;
> -        result = (sr_context->model->set_input_output)(sr_context->model->model, &sr_context->input, &sr_context->output);
> +        result = (sr_context->model->set_input_output)(sr_context->model->model, &sr_context->input, "x", &sr_context->output, "y");
>          if (result != DNN_SUCCESS){
>              av_log(context, AV_LOG_ERROR, "could not set input and output for the model\n");
>              return AVERROR(EIO);
> --
> 2.7.4
>

LGTM.

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