Add gpu::MailboxHolder to hold state for a gpu::Mailbox

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 73 matching lines @@
           visible_rect.right() <= coded_size.width() &&
           visible_rect.bottom() <= coded_size.height() &&
           !natural_size.IsEmpty() &&
           natural_size.GetArea() <= limits::kMaxCanvas &&
           natural_size.width() <= limits::kMaxDimension &&
           natural_size.height() <= limits::kMaxDimension);
 }
 
 // static
 scoped_refptr<VideoFrame> VideoFrame::WrapNativeTexture(
-    scoped_ptr<MailboxHolder> mailbox_holder,
-    uint32 texture_target,
+    scoped_ptr<gpu::MailboxHolder> mailbox_holder,
+    const ReleaseMailboxCB& mailbox_holder_release_cb,
     const gfx::Size& coded_size,
     const gfx::Rect& visible_rect,
     const gfx::Size& natural_size,
     base::TimeDelta timestamp,
-    const ReadPixelsCB& read_pixels_cb,
-    const base::Closure& no_longer_needed_cb) {
+    const ReadPixelsCB& read_pixels_cb) {
   scoped_refptr<VideoFrame> frame(new VideoFrame(NATIVE_TEXTURE,
                                                  coded_size,
                                                  visible_rect,
                                                  natural_size,
                                                  timestamp,
                                                  false));
-  frame->texture_mailbox_holder_ = mailbox_holder.Pass();
-  frame->texture_target_ = texture_target;
+  frame->mailbox_holder_ = mailbox_holder.Pass();
+  frame->mailbox_holder_release_cb_ = mailbox_holder_release_cb;
   frame->read_pixels_cb_ = read_pixels_cb;
-  frame->no_longer_needed_cb_ = no_longer_needed_cb;
 
   return frame;
 }
 
 void VideoFrame::ReadPixelsFromNativeTexture(const SkBitmap& pixels) {
   DCHECK_EQ(format_, NATIVE_TEXTURE);
   if (!read_pixels_cb_.is_null())
     read_pixels_cb_.Run(pixels);
 }
 
@@ skipping 279 matching lines @@
 VideoFrame::VideoFrame(VideoFrame::Format format,
                        const gfx::Size& coded_size,
                        const gfx::Rect& visible_rect,
                        const gfx::Size& natural_size,
                        base::TimeDelta timestamp,
                        bool end_of_stream)
     : format_(format),
       coded_size_(coded_size),
       visible_rect_(visible_rect),
       natural_size_(natural_size),
-      texture_target_(0),
       shared_memory_handle_(base::SharedMemory::NULLHandle()),
       timestamp_(timestamp),
       end_of_stream_(end_of_stream) {
   memset(&strides_, 0, sizeof(strides_));
   memset(&data_, 0, sizeof(data_));
 }
 
 VideoFrame::~VideoFrame() {
+  if (!mailbox_holder_release_cb_.is_null()) {
+    base::ResetAndReturn(&mailbox_holder_release_cb_)
+        .Run(mailbox_holder_.Pass());
+  }
   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_));
 }
 
 int VideoFrame::stride(size_t plane) const {
   DCHECK(IsValidPlane(plane));
@@ skipping 50 matching lines @@
   // Intentionally leave out non-production formats.
   NOTREACHED() << "Unsupported video frame format: " << format_;
   return 0;
 }
 
 uint8* VideoFrame::data(size_t plane) const {
   DCHECK(IsValidPlane(plane));
   return data_[plane];
 }
 
-VideoFrame::MailboxHolder* VideoFrame::texture_mailbox() const {
+gpu::MailboxHolder* VideoFrame::mailbox_holder() const {
   DCHECK_EQ(format_, NATIVE_TEXTURE);
-  return texture_mailbox_holder_.get();
-}
-
-uint32 VideoFrame::texture_target() const {
-  DCHECK_EQ(format_, NATIVE_TEXTURE);
-  return texture_target_;
+  return mailbox_holder_.get();
 }
 
 base::SharedMemoryHandle VideoFrame::shared_memory_handle() const {
   return shared_memory_handle_;
 }
 
 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)));
     }
   }
 }
 
-VideoFrame::MailboxHolder::MailboxHolder(
-    const gpu::Mailbox& mailbox,
-    unsigned sync_point,
-    const TextureNoLongerNeededCallback& release_callback)
-    : mailbox_(mailbox),
-      sync_point_(sync_point),
-      release_callback_(release_callback) {}
-
-VideoFrame::MailboxHolder::~MailboxHolder() {
-  if (!release_callback_.is_null())
-    release_callback_.Run(sync_point_);
-}
-
 }  // namespace media