Add support for writing raw encoder output to .ivf files.

webrtc/modules/video_coding/generic_encoder.cc

Index: webrtc/modules/video_coding/generic_encoder.cc
diff --git a/webrtc/modules/video_coding/generic_encoder.cc b/webrtc/modules/video_coding/generic_encoder.cc
index 2463cf5c7a53020ed701539e91ab2514d628d16a..3c5309a024884b8fa29570802d6c656767db5f48 100644
--- a/webrtc/modules/video_coding/generic_encoder.cc
+++ b/webrtc/modules/video_coding/generic_encoder.cc
@@ -91,8 +91,6 @@ void CopyCodecSpecific(const CodecSpecificInfo* info, RTPVideoHeader* rtp) {
 }
 }  // namespace
 
-// #define DEBUG_ENCODER_BIT_STREAM
-
 VCMGenericEncoder::VCMGenericEncoder(
     VideoEncoder* encoder,
     VideoEncoderRateObserver* rate_observer,
@@ -234,22 +232,9 @@ VCMEncodedFrameCallback::VCMEncodedFrameCallback(
       _payloadType(0),
       _internalSource(false),
       _rotation(kVideoRotation_0),
-      post_encode_callback_(post_encode_callback)
-#ifdef DEBUG_ENCODER_BIT_STREAM
-      ,
-      _bitStreamAfterEncoder(NULL)
-#endif
-{
-#ifdef DEBUG_ENCODER_BIT_STREAM
-  _bitStreamAfterEncoder = fopen("encoderBitStream.bit", "wb");
-#endif
-}
+      post_encode_callback_(post_encode_callback) {}
 
-VCMEncodedFrameCallback::~VCMEncodedFrameCallback() {
-#ifdef DEBUG_ENCODER_BIT_STREAM
-  fclose(_bitStreamAfterEncoder);
-#endif
-}
+VCMEncodedFrameCallback::~VCMEncodedFrameCallback() {}
 
 int32_t VCMEncodedFrameCallback::SetTransportCallback(
     VCMPacketizationCallback* transport) {
@@ -269,13 +254,6 @@ int32_t VCMEncodedFrameCallback::Encoded(
     return VCM_UNINITIALIZED;
   }
 
-#ifdef DEBUG_ENCODER_BIT_STREAM
-  if (_bitStreamAfterEncoder != NULL) {
-    fwrite(encoded_image._buffer, 1, encoded_image._length,
-           _bitStreamAfterEncoder);
-  }
-#endif
-
   RTPVideoHeader rtpVideoHeader;
   memset(&rtpVideoHeader, 0, sizeof(RTPVideoHeader));
   RTPVideoHeader* rtpVideoHeaderPtr = &rtpVideoHeader;
@@ -308,5 +286,4 @@ void VCMEncodedFrameCallback::SignalLastEncoderImplementationUsed(
   if (send_callback_)
     send_callback_->OnEncoderImplementationName(implementation_name);
 }
-
 }  // namespace webrtc