Android media: VideoFrame should not store so many sync points.

media/base/video_frame.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_frame.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
@@ skipping 632 matching lines @@
       timestamp_(timestamp),
       end_of_stream_(end_of_stream) {
   DCHECK(IsValidConfig(format_, coded_size_, visible_rect_, natural_size_));
 
   memset(&strides_, 0, sizeof(strides_));
   memset(&data_, 0, sizeof(data_));
 }
 
 VideoFrame::~VideoFrame() {
   if (!mailbox_holder_release_cb_.is_null()) {
-    std::vector<uint32> release_sync_points;
+    std::map<uintptr_t, uint32> release_sync_points;
     {
       base::AutoLock locker(release_sync_point_lock_);
-      release_sync_points_.swap(release_sync_points);
+      release_sync_point_map_.swap(release_sync_points);
     }
     base::ResetAndReturn(&mailbox_holder_release_cb_).Run(release_sync_points);
   }
   if (!no_longer_needed_cb_.is_null())
     base::ResetAndReturn(&no_longer_needed_cb_).Run();
 }
 
 bool VideoFrame::IsValidPlane(size_t plane) const {
   return (plane < NumPlanes(format_));
 }
@@ skipping 133 matching lines @@
 
 const gpu::MailboxHolder* VideoFrame::mailbox_holder() const {
   DCHECK_EQ(format_, NATIVE_TEXTURE);
   return mailbox_holder_.get();
 }
 
 base::SharedMemoryHandle VideoFrame::shared_memory_handle() const {
   return shared_memory_handle_;
 }
 
-void VideoFrame::AppendReleaseSyncPoint(uint32 sync_point) {
+void VideoFrame::AppendReleaseSyncPoint(uintptr_t client, uint32 sync_point) {
   DCHECK_EQ(format_, NATIVE_TEXTURE);
   if (!sync_point)
     return;
   base::AutoLock locker(release_sync_point_lock_);
-  release_sync_points_.push_back(sync_point);
+  release_sync_point_map_[client] = sync_point;
 }
 
 #if defined(OS_POSIX)
 int VideoFrame::dmabuf_fd(size_t plane) const {
   return dmabuf_fds_[plane].get();
 }
 #endif
 
 void VideoFrame::HashFrameForTesting(base::MD5Context* context) {
   for (int plane = 0; plane < kMaxPlanes; ++plane) {
     if (!IsValidPlane(plane))
       break;
     for (int row = 0; row < rows(plane); ++row) {
       base::MD5Update(context, base::StringPiece(
           reinterpret_cast<char*>(data(plane) + stride(plane) * row),
           row_bytes(plane)));
     }
   }
 }
 
 }  // namespace media