Avoid unnecessary HW video encoder reconfiguration

webrtc/video/video_send_stream.cc

 /*
  *  Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 309 matching lines @@
     video_codec.width = std::max(video_codec.width,
                                  static_cast<uint16_t>(streams[i].width));
     video_codec.height = std::max(
         video_codec.height, static_cast<uint16_t>(streams[i].height));
     video_codec.minBitrate =
         std::min(static_cast<uint16_t>(video_codec.minBitrate),
                  static_cast<uint16_t>(streams[i].min_bitrate_bps / 1000));
     video_codec.maxBitrate += streams[i].max_bitrate_bps / 1000;
     video_codec.qpMax = std::max(video_codec.qpMax,
                                  static_cast<unsigned int>(streams[i].max_qp));
+    video_codec.encodeFromTexture |= streams[i].encode_from_texture;

[perkj_webrtc, 2016/06/15 11:31:29]

hum- streams[i].encode_from_texture ? Should not be separate for separate
streams. VideoEncoderConfig should contains just one flag encode_from_texture.

[skvlad, 2016/06/15 19:44:34]

Moved to VideoEncoderConfig as you suggested.

   }
 
   if (video_codec.maxBitrate == 0) {
     // Unset max bitrate -> cap to one bit per pixel.
     video_codec.maxBitrate =
         (video_codec.width * video_codec.height * video_codec.maxFramerate) /
         1000;
   }
   if (video_codec.maxBitrate < kEncoderMinBitrateKbps)
     video_codec.maxBitrate = kEncoderMinBitrateKbps;
@@ skipping 481 matching lines @@
                           &module_nack_rate);
     *sent_video_rate_bps += module_video_rate;
     *sent_nack_rate_bps += module_nack_rate;
     *sent_fec_rate_bps += module_fec_rate;
   }
   return 0;
 }
 
 }  // namespace internal
 }  // namespace webrtc