Use sps and pps to determine decodability of H.264 frames.

webrtc/modules/video_coding/frame_buffer.h

 /*
  *  Copyright (c) 2012 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.
  */
 
 #ifndef WEBRTC_MODULES_VIDEO_CODING_FRAME_BUFFER_H_
 #define WEBRTC_MODULES_VIDEO_CODING_FRAME_BUFFER_H_
 
+#include <vector>
+
 #include "webrtc/modules/include/module_common_types.h"
 #include "webrtc/modules/video_coding/include/video_coding.h"
 #include "webrtc/modules/video_coding/encoded_frame.h"
 #include "webrtc/modules/video_coding/jitter_buffer_common.h"
 #include "webrtc/modules/video_coding/session_info.h"
 #include "webrtc/typedefs.h"
 
 namespace webrtc {
 
 class VCMFrameBuffer : public VCMEncodedFrame {
@@ skipping 30 matching lines @@
   int32_t GetLowSeqNum() const;
   // Get highest packet sequence number in frame
   int32_t GetHighSeqNum() const;
 
   int PictureId() const;
   int TemporalId() const;
   bool LayerSync() const;
   int Tl0PicId() const;
   bool NonReference() const;
 
+  std::vector<NaluInfo> GetNaluInfos() const;
+
   void SetGofInfo(const GofInfoVP9& gof_info, size_t idx);
 
   // Increments a counter to keep track of the number of packets of this frame
   // which were NACKed before they arrived.
   void IncrementNackCount();
   // Returns the number of packets of this frame which were NACKed before they
   // arrived.
   int16_t GetNackCount() const;
 
   int64_t LatestPacketTimeMs() const;
 
   webrtc::FrameType FrameType() const;
   void SetPreviousFrameLoss();
 
   // The number of packets discarded because the decoder can't make use of them.
   int NotDecodablePackets() const;
 
  private:
   void SetState(VCMFrameBufferStateEnum state);  // Set state of frame
 
   VCMFrameBufferStateEnum _state;  // Current state of the frame
   VCMSessionInfo _sessionInfo;
   uint16_t _nackCount;
   int64_t _latestPacketTimeMs;
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_VIDEO_CODING_FRAME_BUFFER_H_