[FFmpeg-devel] [PATCH V5 1/5] libavfilter/dnn: add ff_dnn_set_proc to set pre/post proc

[Guo, Yejun]

Signed-off-by: Guo, Yejun <yejun....@intel.com>
---
 libavfilter/dnn_filter_common.c | 7 +++++++
 libavfilter/dnn_filter_common.h | 1 +
 libavfilter/dnn_interface.h     | 6 ++++--
 3 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/libavfilter/dnn_filter_common.c b/libavfilter/dnn_filter_common.c
index 413adba406..2a1d045be1 100644
--- a/libavfilter/dnn_filter_common.c
+++ b/libavfilter/dnn_filter_common.c
@@ -64,6 +64,13 @@ int ff_dnn_init(DnnContext *ctx, DNNFunctionType func_type, 
AVFilterContext *fil
     return 0;
 }
 
+int ff_dnn_set_proc(DnnContext *ctx, PrePostProc pre_proc, PrePostProc 
post_proc)
+{
+    ctx->model->pre_proc = pre_proc;
+    ctx->model->post_proc = post_proc;
+    return 0;
+}
+
 DNNReturnType ff_dnn_get_input(DnnContext *ctx, DNNData *input)
 {
     return ctx->model->get_input(ctx->model->model, input, 
ctx->model_inputname);
diff --git a/libavfilter/dnn_filter_common.h b/libavfilter/dnn_filter_common.h
index 79c4d3efe3..4810c7baaf 100644
--- a/libavfilter/dnn_filter_common.h
+++ b/libavfilter/dnn_filter_common.h
@@ -48,6 +48,7 @@ typedef struct DnnContext {
 
 
 int ff_dnn_init(DnnContext *ctx, DNNFunctionType func_type, AVFilterContext 
*filter_ctx);
+int ff_dnn_set_proc(DnnContext *ctx, PrePostProc pre_proc, PrePostProc 
post_proc);
 DNNReturnType ff_dnn_get_input(DnnContext *ctx, DNNData *input);
 DNNReturnType ff_dnn_get_output(DnnContext *ctx, int input_width, int 
input_height, int *output_width, int *output_height);
 DNNReturnType ff_dnn_execute_model(DnnContext *ctx, AVFrame *in_frame, AVFrame 
*out_frame);
diff --git a/libavfilter/dnn_interface.h b/libavfilter/dnn_interface.h
index d3a0c58a61..c92434ee55 100644
--- a/libavfilter/dnn_interface.h
+++ b/libavfilter/dnn_interface.h
@@ -63,6 +63,8 @@ typedef struct DNNData{
     DNNColorOrder order;
 } DNNData;
 
+typedef int (*PrePostProc)(AVFrame *frame, DNNData *model, AVFilterContext 
*filter_ctx);
+
 typedef struct DNNModel{
     // Stores model that can be different for different backends.
     void *model;
@@ -80,10 +82,10 @@ typedef struct DNNModel{
                                 const char *output_name, int *output_width, 
int *output_height);
     // set the pre process to transfer data from AVFrame to DNNData
     // the default implementation within DNN is used if it is not provided by 
the filter
-    int (*pre_proc)(AVFrame *frame_in, DNNData *model_input, AVFilterContext 
*filter_ctx);
+    PrePostProc pre_proc;
     // set the post process to transfer data from DNNData to AVFrame
     // the default implementation within DNN is used if it is not provided by 
the filter
-    int (*post_proc)(AVFrame *frame_out, DNNData *model_output, 
AVFilterContext *filter_ctx);
+    PrePostProc post_proc;
 } DNNModel;
 
 // Stores pointers to functions for loading, executing, freeing DNN models for 
one of the backends.
-- 
2.17.1

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