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

media/filters/ffmpeg_audio_decoder.cc

Index: media/filters/ffmpeg_audio_decoder.cc
diff --git a/media/filters/ffmpeg_audio_decoder.cc b/media/filters/ffmpeg_audio_decoder.cc
index ae4f3fb52e17cad26ce7fb10d76c27ceafceb913..a73633bd66025db738857e03ffb1b42b6e227175 100644
--- a/media/filters/ffmpeg_audio_decoder.cc
+++ b/media/filters/ffmpeg_audio_decoder.cc
@@ -263,7 +263,7 @@ bool FFmpegAudioDecoder::FFmpegDecode(
           << "This is quite possibly a bug in the audio decoder not handling "
           << "end of stream AVPackets correctly.";
 
-      MEDIA_LOG(log_cb_)
+      MEDIA_LOG(log_cb_, DEBUG)
           << "Dropping audio frame which failed decode with timestamp: "
           << buffer->timestamp().InMicroseconds() << " us, duration: "
           << buffer->duration().InMicroseconds() << " us, packet size: "
@@ -293,9 +293,9 @@ bool FFmpegAudioDecoder::FFmpegDecode(
 
         if (config_.codec() == kCodecAAC &&
             av_frame_->sample_rate == 2 * config_.samples_per_second()) {
-          MEDIA_LOG(log_cb_) << "Implicit HE-AAC signalling is being used."
-                             << " Please use mp4a.40.5 instead of mp4a.40.2 in"
-                             << " the mimetype.";
+          MEDIA_LOG(log_cb_, DEBUG) << "Implicit HE-AAC signalling is being"
+                                    << " used. Please use mp4a.40.5 instead of"
+                                    << " mp4a.40.2 in the mimetype.";
         }
         // This is an unrecoverable error, so bail out.
         av_frame_unref(av_frame_.get());