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dnn_backend_openvino.c: fix mismatch between ffmpeg(NHWC) and openvino(NCHW) 

Signed-off-by: Guo, Yejun <yejun.guo@intel.com>
This commit is contained in:
Guo, Yejun 2021-02-08 09:22:23 +08:00
parent c2bf1dcace
commit 51c105a62d
1 changed files with 17 additions and 4 deletions
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21
libavfilter/dnn/dnn_backend_openvino.c
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@ -250,7 +250,7 @@ static void infer_completion_callback(void *args)
}
}
static DNNReturnType init_model_ov(OVModel *ov_model)
static DNNReturnType init_model_ov(OVModel *ov_model, const char *input_name, const char *output_name)
{
OVContext *ctx = &ov_model->ctx;
IEStatusCode status;
@ -276,6 +276,19 @@ static DNNReturnType init_model_ov(OVModel *ov_model)
goto err;
}
// The order of dims in the openvino is fixed and it is always NCHW for 4-D data.
// while we pass NHWC data from FFmpeg to openvino
status = ie_network_set_input_layout(ov_model->network, input_name, NHWC);
if (status != OK) {
av_log(ctx, AV_LOG_ERROR, "Failed to set layout as NHWC for input %s\n", input_name);
goto err;
}
status = ie_network_set_output_layout(ov_model->network, output_name, NHWC);
if (status != OK) {
av_log(ctx, AV_LOG_ERROR, "Failed to set layout as NHWC for output %s\n", output_name);
goto err;
}
status = ie_core_load_network(ov_model->core, ov_model->network, ctx->options.device_type, &config, &ov_model->exe_network);
if (status != OK) {
av_log(ctx, AV_LOG_ERROR, "Failed to load OpenVINO model network\n");
@ -482,7 +495,7 @@ static DNNReturnType get_output_ov(void *model, const char *input_name, int inpu
}
if (!ov_model->exe_network) {
if (init_model_ov(ov_model) != DNN_SUCCESS) {
if (init_model_ov(ov_model, input_name, output_name) != DNN_SUCCESS) {
av_log(ctx, AV_LOG_ERROR, "Failed init OpenVINO exectuable network or inference request\n");
return DNN_ERROR;
}
@ -598,7 +611,7 @@ DNNReturnType ff_dnn_execute_model_ov(const DNNModel *model, const char *input_n
}
if (!ov_model->exe_network) {
if (init_model_ov(ov_model) != DNN_SUCCESS) {
if (init_model_ov(ov_model, input_name, output_names[0]) != DNN_SUCCESS) {
av_log(ctx, AV_LOG_ERROR, "Failed init OpenVINO exectuable network or inference request\n");
return DNN_ERROR;
}
@ -645,7 +658,7 @@ DNNReturnType ff_dnn_execute_model_async_ov(const DNNModel *model, const char *i
}
if (!ov_model->exe_network) {
if (init_model_ov(ov_model) != DNN_SUCCESS) {
if (init_model_ov(ov_model, input_name, output_names[0]) != DNN_SUCCESS) {
av_log(ctx, AV_LOG_ERROR, "Failed init OpenVINO exectuable network or inference request\n");
return DNN_ERROR;
}