Add stereo codec header and pass it through RTP
- Defines CodecSpecificInfoStereo that carries stereo specific header info from
encoded image.
- Defines RTPVideoHeaderStereo that carries the above info to packetizer,
see module_common_types.h.
- Adds an RTPPacketizer and RTPDepacketizer that supports passing specific stereo
header.
- Uses new data containers in StereoAdapter classes.
This CL is the step 3 for adding alpha channel support over the wire in webrtc.
See https://webrtc-review.googlesource.com/c/src/+/7800 for the experimental
CL that gives an idea about how it will come together.
Design Doc: https://goo.gl/sFeSUT
Bug: webrtc:7671
Change-Id: Ia932568fdd7065ba104afd2bc0ecf25a765748ab
Reviewed-on: https://webrtc-review.googlesource.com/22900
Reviewed-by: Emircan Uysaler <emircan@webrtc.org>
Reviewed-by: Erik Språng <sprang@webrtc.org>
Reviewed-by: Danil Chapovalov <danilchap@webrtc.org>
Reviewed-by: Niklas Enbom <niklas.enbom@webrtc.org>
Commit-Queue: Emircan Uysaler <emircan@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#20920}diff --git a/modules/video_coding/frame_object.cc b/modules/video_coding/frame_object.cc
index 6a31cfd..6eb28de 100644
--- a/modules/video_coding/frame_object.cc
+++ b/modules/video_coding/frame_object.cc
@@ -43,9 +43,14 @@
frame_type_ = first_packet->frameType;
codec_type_ = first_packet->codec;
+ // Stereo codec appends CopyCodecSpecific to last packet to avoid copy.
+ VCMPacket* packet_with_codec_specific =
+ codec_type_ == kVideoCodecStereo ? packet_buffer_->GetPacket(last_seq_num)
+ : first_packet;
+
// TODO(philipel): Remove when encoded image is replaced by FrameObject.
// VCMEncodedFrame members
- CopyCodecSpecific(&first_packet->video_header);
+ CopyCodecSpecific(&packet_with_codec_specific->video_header);
_completeFrame = true;
_payloadType = first_packet->payloadType;
_timeStamp = first_packet->timestamp;