* Simplified ctor. Get settings (max_qp, content_type, etc) from encoder_config passed to CreateEncoderStreams(). * Some tests assigned VideoEncoderConfig::video_stream_factory to EncoderStreamFactory they created. That's not really needed. VideoStreamEncoder creates the factory if video_stream_factory is not provided [1]. Removed video_stream_factory initialization in tests. [1] https://source.chromium.org/chromium/chromium/src/+/main:third_party/webrtc/video/video_stream_encoder.cc;l=1002;drc=1d7d0e6e2c5002815853be251ce43fe88779ac85 Bug: b/347150850, webrtc:42233936 Change-Id: Ie0322abb6c48e1a9bd10e9ed3879e3ed484fea5d Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/355321 Reviewed-by: Erik Språng <sprang@webrtc.org> Reviewed-by: Björn Terelius <terelius@webrtc.org> Commit-Queue: Sergey Silkin <ssilkin@webrtc.org> Cr-Commit-Position: refs/heads/main@{#42608}