commit bf35298996a1ec1830f536bb9d572491198a574f
author Ilya Nikolaevskiy <ilnik@webrtc.org> Mon Oct 02 08:08:25 2017
committer Commit Bot <commit-bot@chromium.org> Mon Oct 02 09:14:59 2017
tree 15fbdeee2ca7dbd309774b12f4515cb94e397c1c
parent 581df618feecc493042fa66ee6ed9fdb0e5bc65a

Implement temporal layers checkers for vp8

All frames are checked against hard-coded dependency graph 
using new helper class. It's invoked in RTC_DCHECK(). Only 
DefaultTemporalLayers are fully implemented in this CL, checker 
for ScreenshareLayers is not doing anything for now.

Bug: none
Change-Id: I3ec017176d8c25f7572c8f161e52f2ebfac8220f
Reviewed-on: https://webrtc-review.googlesource.com/3740
Reviewed-by: Per Kjellander <perkj@webrtc.org>
Reviewed-by: Erik Språng <sprang@webrtc.org>
Commit-Queue: Ilya Nikolaevskiy <ilnik@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#20066}

modules/video_coding/codecs/vp8/screenshare_layers.h

diff --git a/modules/video_coding/codecs/vp8/screenshare_layers.h b/modules/video_coding/codecs/vp8/screenshare_layers.h
index 5548c5a..9d7dbd2e 100644
--- a/modules/video_coding/codecs/vp8/screenshare_layers.h
+++ b/modules/video_coding/codecs/vp8/screenshare_layers.h
@@ -1,11 +1,11 @@
 /* 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.
-*/
+ *
+ *  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.
+ */
 #ifndef MODULES_VIDEO_CODING_CODECS_VP8_SCREENSHARE_LAYERS_H_
 #define MODULES_VIDEO_CODING_CODECS_VP8_SCREENSHARE_LAYERS_H_
 
@@ -122,6 +122,15 @@
     int64_t tl1_target_bitrate_sum_ = 0;
   } stats_;
 };
+
+class ScreenshareTemporalLayersChecker : public TemporalLayersChecker {
+ public:
+  ScreenshareTemporalLayersChecker(int number_of_temporal_layers,
+                                   uint8_t initial_tl0_pic_idx);
+  bool CheckTemporalConfig(
+      bool frame_is_keyframe,
+      const TemporalLayers::FrameConfig& frame_config) override;
+};
 }  // namespace webrtc
 
 #endif  // MODULES_VIDEO_CODING_CODECS_VP8_SCREENSHARE_LAYERS_H_