Introduce a client minimum picture pool size

content/renderer/pepper/pepper_video_decoder_host.h

 // Copyright (c) 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 CONTENT_RENDERER_PEPPER_PEPPER_VIDEO_DECODER_HOST_H_
 #define CONTENT_RENDERER_PEPPER_PEPPER_VIDEO_DECODER_HOST_H_
 
 #include <map>
 #include <vector>
 
@@ skipping 52 matching lines @@
   void DismissPictureBuffer(int32 picture_buffer_id) override;
   void PictureReady(const media::Picture& picture) override;
   void NotifyEndOfBitstreamBuffer(int32 bitstream_buffer_id) override;
   void NotifyFlushDone() override;
   void NotifyResetDone() override;
   void NotifyError(media::VideoDecodeAccelerator::Error error) override;
 
   int32_t OnHostMsgInitialize(ppapi::host::HostMessageContext* context,
                               const ppapi::HostResource& graphics_context,
                               PP_VideoProfile profile,
-                              PP_HardwareAcceleration acceleration);
+                              PP_HardwareAcceleration acceleration,
+                              uint32_t min_picture_count);
   int32_t OnHostMsgGetShm(ppapi::host::HostMessageContext* context,
                           uint32_t shm_id,
                           uint32_t shm_size);
   int32_t OnHostMsgDecode(ppapi::host::HostMessageContext* context,
                           uint32_t shm_id,
                           uint32_t size,
                           int32_t decode_id);
   int32_t OnHostMsgAssignTextures(ppapi::host::HostMessageContext* context,
                                   const PP_Size& size,
                                   const std::vector<uint32_t>& texture_ids);
@@ skipping 18 matching lines @@
 
   // A vector holding our shm buffers, in sync with a similar vector in the
   // resource. We use a buffer's index in these vectors as its id on both sides
   // of the proxy. Only add buffers or update them in place so as not to
   // invalidate these ids.
   ScopedVector<base::SharedMemory> shm_buffers_;
   // A vector of true/false indicating if a shm buffer is in use by the decoder.
   // This is parallel to |shm_buffers_|.
   std::vector<uint8_t> shm_buffer_busy_;
 
+  uint32_t min_picture_count_;
   typedef std::set<uint32_t> TextureSet;
   TextureSet pictures_in_use_;
   TextureSet dismissed_pictures_in_use_;
 
   // Maps decode uid to PendingDecode info.
   typedef base::hash_map<int32_t, PendingDecode> PendingDecodeMap;
   PendingDecodeMap pending_decodes_;
 
   ppapi::host::ReplyMessageContext flush_reply_context_;
   ppapi::host::ReplyMessageContext reset_reply_context_;
   // Only used when in software fallback mode.
   ppapi::host::ReplyMessageContext initialize_reply_context_;
 
   bool initialized_;
 
   DISALLOW_COPY_AND_ASSIGN(PepperVideoDecoderHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_PEPPER_PEPPER_VIDEO_DECODER_HOST_H_