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3 Commits

Author SHA1 Message Date
philipel
022b54e86a Wire up H264 fmtp sprop-parameter-sets with H264SpsPpsTracker. 
To avoid making this CL large unittests will be added in a followup CL.

BUG=webrtc:5948

patch from issue 2570073002 at patchset 20001 (http://crrev.com/2570073002#ps20001)

Review-Url: https://codereview.webrtc.org/2565173009
Cr-Commit-Position: refs/heads/master@{#15710}
 2016-12-20 12:15:59 +00:00
philipel
a75d12d09d H264SpsPpsTracker now return PacketAction on CopyAndFixBitstream. 
To differentiate between when a packet should be dropped or when a keyframe
is missing its SPS and/or SPS CopyAndFixBitstream now returns:
 - kInsert, the packet should be inserted into the PacketBuffer.
 - kDrop, the packet should be dropped.
 - kRequestKeyframe, a keyframe should be requested.

BUG=webrtc:5514

Review-Url: https://codereview.webrtc.org/2477343002
Cr-Commit-Position: refs/heads/master@{#14948}
 2016-11-07 13:11:44 +00:00
philipel
34852cf707 H264SpsPpsTracker class which keep tracks of SPS/PPS. 
The H264SpsPpsTracker class:
 - Keeps track of all received SPS/PPS.
 - Decides whether a packet should be inserted into the PacketBuffer or not.
   - Don't insert if this packet only contains SPS and/or PPS.
   - Don't insert if this is the first packet of and IDR and we have not
     received the required SPS/PPS.
 - Insert start codes, and in the case of the first packet of an IDR prepend
   the bitstream with the given SPS/PPS for this IDR.

BUG=webrtc:5514

Review-Url: https://codereview.webrtc.org/2466993003
Cr-Commit-Position: refs/heads/master@{#14906}
 2016-11-03 11:03:06 +00:00