Emit Media Source codec names as media_log events.

media/base/video_decoder_config.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "media/base/video_decoder_config.h"
 
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
 
 namespace media {
@@ skipping 95 matching lines @@
           (visible_rect() == config.visible_rect()) &&
           (natural_size() == config.natural_size()) &&
           (extra_data_size() == config.extra_data_size()) &&
           (!extra_data() || !memcmp(extra_data(), config.extra_data(),
                                     extra_data_size())) &&
           (is_encrypted() == config.is_encrypted()));
 }
 
 std::string VideoDecoderConfig::AsHumanReadableString() const {
   std::ostringstream s;
-  s << "codec: " << codec()
+  s << "codec: " << GetHumanReadableCodecName()
     << " format: " << format()
     << " profile: " << profile()
     << " coded size: [" << coded_size().width()
     << "," << coded_size().height() << "]"
     << " visible rect: [" << visible_rect().x()
     << "," << visible_rect().y()
     << "," << visible_rect().width()
     << "," << visible_rect().height() << "]"
     << " natural size: [" << natural_size().width()
     << "," << natural_size().height() << "]"
     << " has extra data? " << (extra_data() ? "true" : "false")
     << " encrypted? " << (is_encrypted() ? "true" : "false");
   return s.str();
 }
 
+// The names come from src/third_party/ffmpeg/libavcodec/codec_desc.c
+std::string VideoDecoderConfig::GetHumanReadableCodecName() const {
+  switch (codec()) {
+    case kUnknownVideoCodec:
+      return "unknown";
+    case kCodecH264:
+      return "h264";
+    case kCodecVC1:
+      return "vc1";
+    case kCodecMPEG2:
+      return "mpeg2video";
+    case kCodecMPEG4:
+      return "mpeg4";
+    case kCodecTheora:
+      return "theora";
+    case kCodecVP8:
+      return "vp8";
+    case kCodecVP9:
+      return "vp9";
+  }
+  NOTREACHED();
+  return "";
+}
+
 VideoCodec VideoDecoderConfig::codec() const {
   return codec_;
 }
 
 VideoCodecProfile VideoDecoderConfig::profile() const {
   return profile_;
 }
 
 VideoFrame::Format VideoDecoderConfig::format() const {
   return format_;
@@ skipping 19 matching lines @@
 
 size_t VideoDecoderConfig::extra_data_size() const {
   return extra_data_.size();
 }
 
 bool VideoDecoderConfig::is_encrypted() const {
   return is_encrypted_;
 }
 
 }  // namespace media