From 0ae71b9ccb24b19060f8d860d38b5f7e1083ce47 Mon Sep 17 00:00:00 2001
From: "stefan@webrtc.org"
 <stefan@webrtc.org@4adac7df-926f-26a2-2b94-8c16560cd09d>
Date: Mon, 5 Dec 2011 08:42:52 +0000
Subject: [PATCH] Disable temporal layers when building with Chromium.

BUG=
TEST=

Review URL: http://webrtc-codereview.appspot.com/301010

git-svn-id: http://webrtc.googlecode.com/svn/trunk@1099 4adac7df-926f-26a2-2b94-8c16560cd09d
---
 .../video_coding/codecs/vp8/main/interface/vp8.h |  5 ++++-
 .../video_coding/codecs/vp8/main/source/vp8.cc   | 16 ++++++++++++++++
 .../video_coding/codecs/vp8/main/source/vp8.gypi |  6 ++++--
 3 files changed, 24 insertions(+), 3 deletions(-)

diff --git a/src/modules/video_coding/codecs/vp8/main/interface/vp8.h b/src/modules/video_coding/codecs/vp8/main/interface/vp8.h
index 944fa2fcea..d8b1745741 100644
--- a/src/modules/video_coding/codecs/vp8/main/interface/vp8.h
+++ b/src/modules/video_coding/codecs/vp8/main/interface/vp8.h
@@ -29,8 +29,9 @@ struct vpx_codec_cx_pkt;
 
 namespace webrtc
 {
+#if WEBRTC_LIBVPX_VERSION >= 971
 class TemporalLayers;
-
+#endif
 class ReferencePictureSelection;
 
 /******************************/
@@ -175,7 +176,9 @@ private:
     WebRtc_UWord32             _rcMaxIntraTarget;
     int                        _tokenPartitions;
     ReferencePictureSelection* _rps;
+#if WEBRTC_LIBVPX_VERSION >= 971
     TemporalLayers*            _temporalLayers;
+#endif
 
     vpx_codec_ctx_t*            _encoder;
     vpx_codec_enc_cfg_t*        _cfg;
diff --git a/src/modules/video_coding/codecs/vp8/main/source/vp8.cc b/src/modules/video_coding/codecs/vp8/main/source/vp8.cc
index ffa64c9b3b..705d8c6e84 100644
--- a/src/modules/video_coding/codecs/vp8/main/source/vp8.cc
+++ b/src/modules/video_coding/codecs/vp8/main/source/vp8.cc
@@ -49,7 +49,9 @@ VP8Encoder::VP8Encoder():
     _rcMaxIntraTarget(0),
     _tokenPartitions(VP8_ONE_TOKENPARTITION),
     _rps(new ReferencePictureSelection),
+#if WEBRTC_LIBVPX_VERSION >= 971
     _temporalLayers(NULL),
+#endif
     _encoder(NULL),
     _cfg(NULL),
     _raw(NULL)
@@ -113,11 +115,13 @@ VP8Encoder::Release()
         delete _raw;
         _raw = NULL;
     }
+#if WEBRTC_LIBVPX_VERSION >= 971
     if (_temporalLayers != NULL)
     {
         delete _temporalLayers;
         _temporalLayers = NULL;
     }
+#endif
     _inited = false;
 
     return WEBRTC_VIDEO_CODEC_OK;
@@ -172,10 +176,12 @@ VP8Encoder::SetRates(WebRtc_UWord32 newBitRateKbit, WebRtc_UWord32 newFrameRate)
     }
     _cfg->rc_target_bitrate = newBitRateKbit; // in kbit/s
 
+#if WEBRTC_LIBVPX_VERSION >= 971
     if (_temporalLayers)
     {
         _temporalLayers->ConfigureBitrates(newBitRateKbit, _cfg);
     }
+#endif
     _maxFrameRate = newFrameRate;
 
     // update encoder context
@@ -238,12 +244,14 @@ VP8Encoder::InitEncode(const VideoCodec* inst,
     _width = inst->width;
     _height = inst->height;
 
+#if WEBRTC_LIBVPX_VERSION >= 971
     if (inst->codecSpecific.VP8.numberOfTemporalLayers > 1)
     {
       assert(_temporalLayers == NULL);
       _temporalLayers =
           new TemporalLayers(inst->codecSpecific.VP8.numberOfTemporalLayers);
     }
+#endif
 
     // random start 16 bits is enough.
     _pictureID = ((WebRtc_UWord16)rand()) & 0x7FFF;
@@ -274,10 +282,12 @@ VP8Encoder::InitEncode(const VideoCodec* inst,
     {
       _cfg->rc_target_bitrate = inst->startBitrate;  // in kbit/s
     }
+#if WEBRTC_LIBVPX_VERSION >= 971
     if (_temporalLayers)
     {
         _temporalLayers->ConfigureBitrates(inst->startBitrate, _cfg);
     }
+#endif
     // setting the time base of the codec
     _cfg->g_timebase.num = 1;
     _cfg->g_timebase.den = 90000;
@@ -436,9 +446,11 @@ VP8Encoder::Encode(const RawImage& inputImage,
     _raw->planes[PLANE_V] =  &inputImage._buffer[_height * _width * 5 >> 2];
 
     int flags = 0;
+#if WEBRTC_LIBVPX_VERSION >= 971
     if (_temporalLayers) {
       flags |= _temporalLayers->EncodeFlags();
     }
+#endif
     bool sendKeyFrame = frameTypes && (*frameTypes == kKeyFrame);
     if (sendKeyFrame)
     {
@@ -490,13 +502,17 @@ void VP8Encoder::PopulateCodecSpecific(CodecSpecificInfo* codec_specific,
   vp8Info->simulcastIdx = _simulcastIdx;
   vp8Info->keyIdx = kNoKeyIdx;  // TODO(hlundin) populate this
   vp8Info->nonReference = (pkt.data.frame.flags & VPX_FRAME_IS_DROPPABLE);
+#if WEBRTC_LIBVPX_VERSION >= 971
   if (_temporalLayers) {
     _temporalLayers->PopulateCodecSpecific(
         (pkt.data.frame.flags & VPX_FRAME_IS_KEY) ? true : false, vp8Info);
   } else {
+#endif
     vp8Info->temporalIdx = kNoTemporalIdx;
     vp8Info->tl0PicIdx = kNoTl0PicIdx;
+#if WEBRTC_LIBVPX_VERSION >= 971
   }
+#endif
   _pictureID = (_pictureID + 1) % 0x7FFF; // prepare next
 }
 
diff --git a/src/modules/video_coding/codecs/vp8/main/source/vp8.gypi b/src/modules/video_coding/codecs/vp8/main/source/vp8.gypi
index 4ffefcddf4..d0f37f0982 100644
--- a/src/modules/video_coding/codecs/vp8/main/source/vp8.gypi
+++ b/src/modules/video_coding/codecs/vp8/main/source/vp8.gypi
@@ -36,6 +36,10 @@
           'defines': [
             'WEBRTC_LIBVPX_VERSION=971' # Cayuga
           ],
+          'sources': [
+            'temporal_layers.h',
+            'temporal_layers.cc',
+          ],
         }],
       ],
       'direct_dependent_settings': {
@@ -50,8 +54,6 @@
         'reference_picture_selection.cc',
         '../interface/vp8.h',
         '../interface/vp8_simulcast.h',
-        'temporal_layers.h',
-        'temporal_layers.cc',
         'vp8.cc',
         'vp8_simulcast.cc',
       ],