Extract TL config to VP8 libvpx flag conversion.

webrtc/modules/video_coding/codecs/vp8/default_temporal_layers.cc

 /* 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.
 */
 
 #include "webrtc/modules/video_coding/codecs/vp8/default_temporal_layers.h"
@@ skipping 234 matching lines @@
 }
 
 // TODO(pbos): Name method so that it's obvious that it updates state.
 TemporalReferences DefaultTemporalLayers::UpdateLayerConfig(
     uint32_t timestamp) {
   RTC_DCHECK_GT(num_layers_, 0);
   RTC_DCHECK_LT(0, temporal_pattern_.size());
   return temporal_pattern_[++pattern_idx_ % temporal_pattern_.size()];
 }
 
-int TemporalLayers::EncodeFlags(uint32_t timestamp) {
-  TemporalReferences references = UpdateLayerConfig(timestamp);
-  if (references.drop_frame)
-    return -1;
-
-  int flags = 0;
-
-  if ((references.last_buffer_flags & kReference) == 0)
-    flags |= VP8_EFLAG_NO_REF_LAST;
-  if ((references.last_buffer_flags & kUpdate) == 0)
-    flags |= VP8_EFLAG_NO_UPD_LAST;
-  if ((references.golden_buffer_flags & kReference) == 0)
-    flags |= VP8_EFLAG_NO_REF_GF;
-  if ((references.golden_buffer_flags & kUpdate) == 0)
-    flags |= VP8_EFLAG_NO_UPD_GF;
-  if ((references.arf_buffer_flags & kReference) == 0)
-    flags |= VP8_EFLAG_NO_REF_ARF;
-  if ((references.arf_buffer_flags & kUpdate) == 0)
-    flags |= VP8_EFLAG_NO_UPD_ARF;
-  if (references.freeze_entropy)
-    flags |= VP8_EFLAG_NO_UPD_ENTROPY;
-
-  return flags;
-}
-
 void DefaultTemporalLayers::PopulateCodecSpecific(
     bool frame_is_keyframe,
     CodecSpecificInfoVP8* vp8_info,
     uint32_t timestamp) {
   RTC_DCHECK_GT(num_layers_, 0);
 
   if (num_layers_ == 1) {
     vp8_info->temporalIdx = kNoTemporalIdx;
     vp8_info->layerSync = false;
     vp8_info->tl0PicIdx = kNoTl0PicIdx;
@@ skipping 31 matching lines @@
   if (listener_)
     listener_->OnTemporalLayersCreated(simulcast_id, tl);
   return tl;
 }
 
 void TemporalLayersFactory::SetListener(TemporalLayersListener* listener) {
   listener_ = listener;
 }
 
 }  // namespace webrtc