Add rotation to EncodedImage and make sure it is passed through encoders.

webrtc/modules/video_coding/codecs/h264/h264_video_toolbox_encoder.cc

 /*
  *  Copyright (c) 2015 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 100 matching lines @@
 }
 
 // Struct that we pass to the encoder per frame to encode. We receive it again
 // in the encoder callback.
 struct FrameEncodeParams {
   FrameEncodeParams(webrtc::H264VideoToolboxEncoder* e,
                     const webrtc::CodecSpecificInfo* csi,
                     int32_t w,
                     int32_t h,
                     int64_t rtms,
-                    uint32_t ts)
-      : encoder(e), width(w), height(h), render_time_ms(rtms), timestamp(ts) {
+                    uint32_t ts,
+                    webrtc::VideoRotation r)
+      : encoder(e),
+        width(w),
+        height(h),
+        render_time_ms(rtms),
+        timestamp(ts),
+        rotation(r) {
     if (csi) {
       codec_specific_info = *csi;
     } else {
       codec_specific_info.codecType = webrtc::kVideoCodecH264;
     }
   }
 
   webrtc::H264VideoToolboxEncoder* encoder;
   webrtc::CodecSpecificInfo codec_specific_info;
   int32_t width;
   int32_t height;
   int64_t render_time_ms;
   uint32_t timestamp;
+  webrtc::VideoRotation rotation;
 };
 
 // We receive I420Frames as input, but we need to feed CVPixelBuffers into the
 // encoder. This performs the copy and format conversion.
 // TODO(tkchin): See if encoder will accept i420 frames and compare performance.
 bool CopyVideoFrameToPixelBuffer(const webrtc::VideoFrame& frame,
                                  CVPixelBufferRef pixel_buffer) {
   RTC_DCHECK(pixel_buffer);
   RTC_DCHECK(CVPixelBufferGetPixelFormatType(pixel_buffer) ==
              kCVPixelFormatType_420YpCbCr8BiPlanarFullRange);
@@ skipping 32 matching lines @@
 void VTCompressionOutputCallback(void* encoder,
                                  void* params,
                                  OSStatus status,
                                  VTEncodeInfoFlags info_flags,
                                  CMSampleBufferRef sample_buffer) {
   std::unique_ptr<FrameEncodeParams> encode_params(
       reinterpret_cast<FrameEncodeParams*>(params));
   encode_params->encoder->OnEncodedFrame(
       status, info_flags, sample_buffer, encode_params->codec_specific_info,
       encode_params->width, encode_params->height,
-      encode_params->render_time_ms, encode_params->timestamp);
+      encode_params->render_time_ms, encode_params->timestamp,
+      encode_params->rotation);
 }
 
 }  // namespace internal
 
 namespace webrtc {
 
 // .5 is set as a mininum to prevent overcompensating for large temporary
 // overshoots. We don't want to degrade video quality too badly.
 // .95 is set to prevent oscillations. When a lower bitrate is set on the
 // encoder than previously set, its output seems to have a brief period of
@@ skipping 98 matching lines @@
       CMTimeMake(input_image.render_time_ms(), 1000);
   CFDictionaryRef frame_properties = nullptr;
   if (is_keyframe_required) {
     CFTypeRef keys[] = {kVTEncodeFrameOptionKey_ForceKeyFrame};
     CFTypeRef values[] = {kCFBooleanTrue};
     frame_properties = internal::CreateCFDictionary(keys, values, 1);
   }
   std::unique_ptr<internal::FrameEncodeParams> encode_params;
   encode_params.reset(new internal::FrameEncodeParams(
       this, codec_specific_info, width_, height_, input_image.render_time_ms(),
-      input_image.timestamp()));
+      input_image.timestamp(), input_image.rotation()));
 
   // Update the bitrate if needed.
   SetBitrateBps(bitrate_adjuster_.GetAdjustedBitrateBps());
 
   OSStatus status = VTCompressionSessionEncodeFrame(
       compression_session_, pixel_buffer, presentation_time_stamp,
       kCMTimeInvalid, frame_properties, encode_params.release(), nullptr);
   if (frame_properties) {
     CFRelease(frame_properties);
   }
@@ skipping 144 matching lines @@
 }
 
 void H264VideoToolboxEncoder::OnEncodedFrame(
     OSStatus status,
     VTEncodeInfoFlags info_flags,
     CMSampleBufferRef sample_buffer,
     CodecSpecificInfo codec_specific_info,
     int32_t width,
     int32_t height,
     int64_t render_time_ms,
-    uint32_t timestamp) {
+    uint32_t timestamp,
+    VideoRotation rotation) {
   if (status != noErr) {
     LOG(LS_ERROR) << "H264 encode failed.";
     return;
   }
   if (info_flags & kVTEncodeInfo_FrameDropped) {
     LOG(LS_INFO) << "H264 encode dropped frame.";
   }
 
   bool is_keyframe = false;
   CFArrayRef attachments =
@@ skipping 19 matching lines @@
     }
   }
   webrtc::EncodedImage frame(buffer->data(), buffer->size(), buffer->size());
   frame._encodedWidth = width;
   frame._encodedHeight = height;
   frame._completeFrame = true;
   frame._frameType =
       is_keyframe ? webrtc::kVideoFrameKey : webrtc::kVideoFrameDelta;
   frame.capture_time_ms_ = render_time_ms;
   frame._timeStamp = timestamp;
+  frame.rotation_ = rotation;
 
   int result = callback_->Encoded(frame, &codec_specific_info, header.get());
   if (result != 0) {
     LOG(LS_ERROR) << "Encode callback failed: " << result;
     return;
   }
   bitrate_adjuster_.Update(frame._size);
 }
 
 }  // namespace webrtc
 
 #endif  // defined(WEBRTC_VIDEO_TOOLBOX_SUPPORTED)