Extract SourceBuffer related constants to a separate file.

This change makes it easier to provide platform specific values in the future.

BUG=None

Review URL: https://codereview.chromium.org/343003002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@278944 0039d316-1c4b-4281-b951-d872f2087c98

3 files changed, 36 insertions, 8 deletions

diff --git a/media/filters/source_buffer_platform.cc b/media/filters/source_buffer_platform.cc
new file mode 100644
index 0000000..6457e8c
--- /dev/null
+++ b/media/filters/source_buffer_platform.cc
@@ -0,0 +1,14 @@
+// Copyright 2014 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/source_buffer_platform.h"
+
+namespace media {
+
+// 12MB: approximately 5 minutes of 320Kbps content.
+// 150MB: approximately 5 minutes of 4Mbps content.
+const int kSourceBufferAudioMemoryLimit = 12 * 1024 * 1024;
+const int kSourceBufferVideoMemoryLimit = 150 * 1024 * 1024;
+
+}  // namespace media
diff --git a/media/filters/source_buffer_platform.h b/media/filters/source_buffer_platform.h
new file mode 100644
index 0000000..b063f99
--- /dev/null
+++ b/media/filters/source_buffer_platform.h
@@ -0,0 +1,18 @@
+// Copyright 2014 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.
+
+#ifndef MEDIA_FILTERS_SOURCE_BUFFER_PLATFORM_H_
+#define MEDIA_FILTERS_SOURCE_BUFFER_PLATFORM_H_
+
+#include "media/base/media_export.h"
+
+namespace media {
+
+// The maximum amount of data in bytes the stream will keep in memory.
+MEDIA_EXPORT extern const int kSourceBufferAudioMemoryLimit;
+MEDIA_EXPORT extern const int kSourceBufferVideoMemoryLimit;
+
+}  // namespace media
+
+#endif  // MEDIA_FILTERS_SOURCE_BUFFER_PLATFORM_H_
diff --git a/media/filters/source_buffer_stream.cc b/media/filters/source_buffer_stream.cc
index fe22b4a..f72b00a 100644
--- a/media/filters/source_buffer_stream.cc
+++ b/media/filters/source_buffer_stream.cc
@@ -11,6 +11,7 @@
 #include "base/debug/trace_event.h"
 #include "base/logging.h"
 #include "media/base/audio_splicer.h"
+#include "media/filters/source_buffer_platform.h"
 
 namespace media {
 
@@ -333,11 +334,6 @@ static int kDefaultBufferDurationInMs = 125;
 static base::TimeDelta kSeekToStartFudgeRoom() {
   return base::TimeDelta::FromMilliseconds(1000);
 }
-// The maximum amount of data in bytes the stream will keep in memory.
-// 12MB: approximately 5 minutes of 320Kbps content.
-// 150MB: approximately 5 minutes of 4Mbps content.
-static int kDefaultAudioMemoryLimit = 12 * 1024 * 1024;
-static int kDefaultVideoMemoryLimit = 150 * 1024 * 1024;
 
 namespace media {
 
@@ -358,7 +354,7 @@ SourceBufferStream::SourceBufferStream(const AudioDecoderConfig& audio_config,
       last_appended_buffer_is_keyframe_(false),
       last_output_buffer_timestamp_(kNoTimestamp()),
       max_interbuffer_distance_(kNoTimestamp()),
-      memory_limit_(kDefaultAudioMemoryLimit),
+      memory_limit_(kSourceBufferAudioMemoryLimit),
       config_change_pending_(false),
       splice_buffers_index_(0),
       pending_buffers_complete_(false),
@@ -384,7 +380,7 @@ SourceBufferStream::SourceBufferStream(const VideoDecoderConfig& video_config,
       last_appended_buffer_is_keyframe_(false),
       last_output_buffer_timestamp_(kNoTimestamp()),
       max_interbuffer_distance_(kNoTimestamp()),
-      memory_limit_(kDefaultVideoMemoryLimit),
+      memory_limit_(kSourceBufferVideoMemoryLimit),
       config_change_pending_(false),
       splice_buffers_index_(0),
       pending_buffers_complete_(false),
@@ -411,7 +407,7 @@ SourceBufferStream::SourceBufferStream(const TextTrackConfig& text_config,
       last_appended_buffer_is_keyframe_(false),
       last_output_buffer_timestamp_(kNoTimestamp()),
       max_interbuffer_distance_(kNoTimestamp()),
-      memory_limit_(kDefaultAudioMemoryLimit),
+      memory_limit_(kSourceBufferAudioMemoryLimit),
       config_change_pending_(false),
       splice_buffers_index_(0),
       pending_buffers_complete_(false),