media: Update logging to display the missing keyId

media/filters/decrypting_video_decoder.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/filters/decrypting_video_decoder.h"
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/single_thread_task_runner.h"
+#include "base/strings/string_number_conversions.h"
 #include "base/trace_event/trace_event.h"
 #include "media/base/bind_to_current_loop.h"
 #include "media/base/cdm_context.h"
 #include "media/base/decoder_buffer.h"
 #include "media/base/media_log.h"
 #include "media/base/video_frame.h"
 
 namespace media {
 
 const char DecryptingVideoDecoder::kDecoderName[] = "DecryptingVideoDecoder";
@@ skipping 212 matching lines @@
 
   if (status == Decryptor::kError) {
     DVLOG(2) << "DeliverFrame() - kError";
     MEDIA_LOG(ERROR, media_log_) << GetDisplayName() << ": decode error";
     state_ = kError;
     base::ResetAndReturn(&decode_cb_).Run(DecodeStatus::DECODE_ERROR);
     return;
   }
 
   if (status == Decryptor::kNoKey) {
-    DVLOG(2) << "DeliverFrame() - kNoKey";
-    MEDIA_LOG(DEBUG, media_log_) << GetDisplayName() << ": no key";
+    std::string key_id =
+        scoped_pending_buffer_to_decode->decrypt_config()->key_id();
+    std::string missing_key_id = base::HexEncode(key_id.data(), key_id.size());
+    DVLOG(1) << "DeliverFrame() - kNoKey, missing keyID " << missing_key_id;
+    MEDIA_LOG(INFO, media_log_) << GetDisplayName()
+                                << ": no key, missing keyId " << missing_key_id;
 
     // Set |pending_buffer_to_decode_| back as we need to try decoding the
     // pending buffer again when new key is added to the decryptor.
     pending_buffer_to_decode_ = scoped_pending_buffer_to_decode;
 
     if (need_to_try_again_if_nokey_is_returned) {
       // The |state_| is still kPendingDecode.
       DecodePendingBuffer();
       return;
     }
@@ skipping 44 matching lines @@
 }
 
 void DecryptingVideoDecoder::DoReset() {
   DCHECK(init_cb_.is_null());
   DCHECK(decode_cb_.is_null());
   state_ = kIdle;
   base::ResetAndReturn(&reset_cb_).Run();
 }
 
 }  // namespace media