Nikolay Sivov (@nsivov) commented about dlls/winegstreamer/media_source.c:
return MF_E_SHUTDOWN;
- /* if starting for the first time, create the streams */
- if (source->stream_count && !source->streams[0])
- {
assert(source->state == SOURCE_STOPPED);for (i = 0; i < source->stream_count; ++i){if (FAILED(hr = media_stream_create(&source->IMFMediaSource_iface,source->descriptors[i], source->wg_streams[i], &source->streams[i])))return hr;}free(source->wg_streams);source->wg_streams = NULL;- }
Some sample implementation create only selected streams here.