media-internals: Differentiate error, info, and debug log messages

media/filters/source_buffer_stream.cc

Index: media/filters/source_buffer_stream.cc
diff --git a/media/filters/source_buffer_stream.cc b/media/filters/source_buffer_stream.cc
index ee1abaf733334bd537e4bbb6b13190ca0b9d37c6..31810f76a5335fc9ff1eef5632cd8e3fd41a7752 100644
--- a/media/filters/source_buffer_stream.cc
+++ b/media/filters/source_buffer_stream.cc
@@ -220,8 +220,9 @@ bool SourceBufferStream::Append(const BufferQueue& buffers) {
            << buffers.back()->duration().InSecondsF() << ")]";
 
   // New media segments must begin with a keyframe.
+  // TODO(wolenetz): Relax this requirement. See http://crbug.com/229412.
   if (new_media_segment_ && !buffers.front()->is_key_frame()) {
-    MEDIA_LOG(log_cb_) << "Media segment did not begin with key frame.";
+    MEDIA_LOG(ERROR, log_cb_) << "Media segment did not begin with key frame.";
     return false;
   }
 
@@ -231,15 +232,16 @@ bool SourceBufferStream::Append(const BufferQueue& buffers) {
 
   if (media_segment_start_time_ < DecodeTimestamp() ||
       buffers.front()->GetDecodeTimestamp() < DecodeTimestamp()) {
-    MEDIA_LOG(log_cb_)
+    MEDIA_LOG(ERROR, log_cb_)
         << "Cannot append a media segment with negative timestamps.";
     return false;
   }
 
   if (!IsNextTimestampValid(buffers.front()->GetDecodeTimestamp(),
                             buffers.front()->is_key_frame())) {
-    MEDIA_LOG(log_cb_) << "Invalid same timestamp construct detected at time "
-                       << buffers.front()->GetDecodeTimestamp().InSecondsF();
+    const DecodeTimestamp& dts = buffers.front()->GetDecodeTimestamp();
+    MEDIA_LOG(ERROR, log_cb_) << "Invalid same timestamp construct detected at"
+                              << " time " << dts.InSecondsF();
 
     return false;
   }
@@ -509,16 +511,16 @@ bool SourceBufferStream::IsMonotonicallyIncreasing(
 
     if (prev_timestamp != kNoDecodeTimestamp()) {
       if (current_timestamp < prev_timestamp) {
-        MEDIA_LOG(log_cb_) << "Buffers were not monotonically increasing.";
+        MEDIA_LOG(ERROR, log_cb_) << "Buffers did not monotonically increase.";
         return false;
       }
 
       if (current_timestamp == prev_timestamp &&
           !SourceBufferRange::AllowSameTimestamp(prev_is_keyframe,
                                                  current_is_keyframe)) {
-        MEDIA_LOG(log_cb_) << "Unexpected combination of buffers with the"
-                           << " same timestamp detected at "
-                           << current_timestamp.InSecondsF();
+        MEDIA_LOG(ERROR, log_cb_) << "Unexpected combination of buffers with"
+                                  << " the same timestamp detected at "
+                                  << current_timestamp.InSecondsF();
         return false;
       }
     }
@@ -1233,12 +1235,12 @@ bool SourceBufferStream::UpdateAudioConfig(const AudioDecoderConfig& config) {
   DVLOG(3) << "UpdateAudioConfig.";
 
   if (audio_configs_[0].codec() != config.codec()) {
-    MEDIA_LOG(log_cb_) << "Audio codec changes not allowed.";
+    MEDIA_LOG(ERROR, log_cb_) << "Audio codec changes not allowed.";
     return false;
   }
 
   if (audio_configs_[0].is_encrypted() != config.is_encrypted()) {
-    MEDIA_LOG(log_cb_) << "Audio encryption changes not allowed.";
+    MEDIA_LOG(ERROR, log_cb_) << "Audio encryption changes not allowed.";
     return false;
   }
 
@@ -1264,12 +1266,12 @@ bool SourceBufferStream::UpdateVideoConfig(const VideoDecoderConfig& config) {
   DVLOG(3) << "UpdateVideoConfig.";
 
   if (video_configs_[0].codec() != config.codec()) {
-    MEDIA_LOG(log_cb_) << "Video codec changes not allowed.";
+    MEDIA_LOG(ERROR, log_cb_) << "Video codec changes not allowed.";
     return false;
   }
 
   if (video_configs_[0].is_encrypted() != config.is_encrypted()) {
-    MEDIA_LOG(log_cb_) << "Video encryption changes not allowed.";
+    MEDIA_LOG(ERROR, log_cb_) << "Video encryption changes not allowed.";
     return false;
   }