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Update source code 12/09/2026 [Batch1] #17

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Merged
GirishKadirisani merged 1 commit into from
Sep 12, 2026
Merged

Update source code 12/09/2026 [Batch1] #17

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19 changes: 19 additions & 0 deletions gstreamer/gst-plugin-mlqnn/ml-qnn-engine.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -1252,6 +1252,25 @@ gst_ml_qnn_engine_free (GstMLQnnEngine * engine)
}

if (engine->graph_infos) {
const GraphInfo_t *graph_info = engine->graph_infos[0];
Qnn_Tensor_t *tensor;

// Clear the client buffer pointers set during execute(), some of the
// graph info below may alias memory owned by the QNN system context or
// model library, which must not be walked with stale buffer pointers
// when it gets freed.
for (guint idx = 0; idx < graph_info->numInputTensors; idx++) {
tensor = &(graph_info->inputTensors[idx]);
QNN_TENSOR_CLIENTBUF (tensor).data = NULL;
QNN_TENSOR_CLIENTBUF (tensor).dataSize = 0;
}

for (guint idx = 0; idx < graph_info->numOutputTensors; ++idx) {
tensor = &(graph_info->outputTensors[idx]);
QNN_TENSOR_CLIENTBUF (tensor).data = NULL;
QNN_TENSOR_CLIENTBUF (tensor).dataSize = 0;
}

// A model library owns its graph info and frees it through its own API.
if (engine->FreeGraph != NULL) {
engine->FreeGraph (&(engine->graph_infos), engine->n_graphs);
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