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mftransform: Clear unused output IMediaSample

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If MFT doesn't produce encoded output, need to free allocated
output sample and buffer.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1297>
This commit is contained in:
Seungha Yang 2020-05-25 19:22:50 +09:00
parent 3fdf25cc37
commit 3efc8f5de9
1 changed files with 15 additions and 6 deletions
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19
sys/mediafoundation/gstmftransform.cpp
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@ -394,6 +394,7 @@ gst_mf_transform_process_output (GstMFTransform * self)
DWORD stream_id = self->output_id;
MFT_OUTPUT_STREAM_INFO out_stream_info = { 0 };
MFT_OUTPUT_DATA_BUFFER out_data = { 0 };
GstFlowReturn ret = GST_FLOW_OK;
hr = transform->GetOutputStreamInfo (stream_id, &out_stream_info);
if (!gst_mf_result (hr)) {
@ -437,7 +438,7 @@ gst_mf_transform_process_output (GstMFTransform * self)
if (hr == MF_E_TRANSFORM_NEED_MORE_INPUT) {
GST_LOG_OBJECT (self, "Need more input data");
return GST_MF_TRANSFORM_FLOW_NEED_DATA;
ret = GST_MF_TRANSFORM_FLOW_NEED_DATA;
} else if (hr == MF_E_TRANSFORM_STREAM_CHANGE) {
ComPtr<IMFMediaType> output_type;
@ -447,21 +448,29 @@ gst_mf_transform_process_output (GstMFTransform * self)
0, output_type.GetAddressOf ());
if (!gst_mf_result (hr)) {
GST_ERROR_OBJECT (self, "Couldn't get available output type");
return GST_FLOW_ERROR;
ret = GST_FLOW_ERROR;
goto done;
}
hr = transform->SetOutputType (stream_id, output_type.Get (), 0);
if (!gst_mf_result (hr)) {
GST_ERROR_OBJECT (self, "Couldn't set output type");
return GST_FLOW_ERROR;
ret = GST_FLOW_ERROR;
goto done;
}
return GST_MF_TRANSFORM_FLOW_NEED_DATA;
ret = GST_MF_TRANSFORM_FLOW_NEED_DATA;
} else if (!gst_mf_result (hr)) {
GST_ERROR_OBJECT (self, "ProcessOutput error");
ret = GST_FLOW_ERROR;
}
done:
if (ret != GST_FLOW_OK) {
if (out_data.pSample)
out_data.pSample->Release();
return GST_FLOW_ERROR;
return ret;
}
if (!out_data.pSample) {