Update source code 16/09/2026 - #18
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gst_ml_qnn_engine_free() no longer clears the input/output Qnn_Tensor_t clientBuf.data/dataSize before releasing graph info and the QNN system context. These tensors alias memory owned by the system context handle (for cached/DLC models) or the model library, and their clientBuf still points at the last GstBuffer used in execute() at teardown time. Freeing the system context while that stale buffer pointer is still set caused libQnnSystem.so to crash inside its internal free() during QnnSystemContext_free(). This clearing step existed prior to "qtimlqnn: Add support for loading model graph from DLC" (a992eeaf), which dropped it while refactoring the cached/uncached graph teardown into the FreeGraph/g_free branches. Restore it, iterating graph_infos[0] before releasing graph info, as before. Signed-off-by: Pratik Pachange <ppachang@qti.qualcomm.com> Signed-off-by: Girish K <girik@qti.qualcomm.com>
- Change BGRA to RGBA to facilitate cap negotiation between mlpostprocess - Remove width and height property from segmentation use-case Signed-off-by: Muthumula Sai Harshith Reddy <muthumul@qti.qualcomm.com> Signed-off-by: Girish K <girik@qti.qualcomm.com>
C2Module::GetLinearCirclePool() has been renamed to GetLinearBufferPool() and returns QC2LinearBufferPool instead of QC2BufferCirclePools where qc2audio::QC2BufferCirclePools is not available in the audio codec2 headers. Gate the audio queue path on CODEC2_CONFIG_VERSION_MAJOR/MINOR to match and call QC2LinearBufferPool::allocate() instead of QC2BufferCirclePools::take() to obtain the buffer. Builds that do provide QC2BufferCirclePools keep the original path. Signed-off-by: Yuwei Wu <yuwewu@qti.qualcomm.com> Signed-off-by: Girish K <girik@qti.qualcomm.com>
- Queued appsrc buffers could reference frames after prebuffer streams were released, causing hangs and fd pressure. - Wait for queue drain, disconnect callbacks before unlinking, and calculate mp4mux header reservation from configured wqprebuffer and recording durations. Signed-off-by: Ritesh Agarwal <riteagar@qti.qualcomm.com> Signed-off-by: Girish K <girik@qti.qualcomm.com>
…mage build - Adjusted CMakeLists.txt to compile gst-fastcv-padding-strip-example with proprietary image support - Config-1 image does not include FastCV, so build flow updated accordingly to ensure compatibility - This is a camera-based app, hence added in the existing option Signed-off-by: Shantanu Majumdar <shanmaju@qti.qualcomm.com> Signed-off-by: Girish K <girik@qti.qualcomm.com>
GirishKadirisani
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from NaveenCherukuri (CherukuriNaveenQC)
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September 16, 2026 15:23
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