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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef PPAPI_SHARED_IMPL_VIDEO_DECODER_IMPL_H_ | |
6 #define PPAPI_SHARED_IMPL_VIDEO_DECODER_IMPL_H_ | |
7 | |
8 #include <map> | |
9 #include <vector> | |
10 | |
11 #include "base/basictypes.h" | |
12 #include "base/compiler_specific.h" | |
13 #include "ppapi/c/dev/ppb_video_decoder_dev.h" | |
14 #include "ppapi/shared_impl/resource.h" | |
15 #include "ppapi/thunk/ppb_video_decoder_api.h" | |
16 | |
17 namespace gpu { | |
18 namespace gles2 { | |
19 class GLES2Implementation; | |
20 } // namespace gles2 | |
21 } // namespace gpu | |
22 | |
23 namespace ppapi { | |
24 | |
25 // Implements the logic to set and run callbacks for various video decoder | |
26 // events. Both the proxy and the renderer implementation share this code. | |
27 class PPAPI_SHARED_EXPORT VideoDecoderImpl | |
28 : NON_EXPORTED_BASE(public thunk::PPB_VideoDecoder_API) { | |
29 public: | |
30 VideoDecoderImpl(); | |
31 virtual ~VideoDecoderImpl(); | |
32 | |
33 // PPB_VideoDecoder_API implementation. | |
34 virtual void Destroy() OVERRIDE; | |
35 | |
36 protected: | |
37 bool SetFlushCallback(PP_CompletionCallback callback); | |
38 bool SetResetCallback(PP_CompletionCallback callback); | |
39 bool SetBitstreamBufferCallback( | |
40 int32 bitstream_buffer_id, PP_CompletionCallback callback); | |
41 | |
42 void RunFlushCallback(int32 result); | |
43 void RunResetCallback(int32 result); | |
44 void RunBitstreamBufferCallback(int32 bitstream_buffer_id, int32 result); | |
45 | |
46 // Tell command buffer to process all commands it has received so far. | |
47 void FlushCommandBuffer(); | |
48 | |
49 // Initialize the underlying decoder. | |
50 void InitCommon(PP_Resource graphics_context, | |
51 gpu::gles2::GLES2Implementation* gles2_impl); | |
52 | |
53 private: | |
54 // Key: bitstream_buffer_id, value: callback to run when bitstream decode is | |
55 // done. | |
56 typedef std::map<int32, PP_CompletionCallback> CallbackById; | |
57 | |
58 PP_CompletionCallback flush_callback_; | |
59 PP_CompletionCallback reset_callback_; | |
60 CallbackById bitstream_buffer_callbacks_; | |
61 | |
62 // The resource ID of the underlying Graphics3D object being used. Used only | |
63 // for reference counting to keep it alive for the lifetime of |*this|. | |
64 PP_Resource graphics_context_; | |
65 | |
66 // Reference to the GLES2Implementation owned by |graphics_context_|. | |
67 // Graphics3D is guaranteed to be alive for the lifetime of this class. | |
68 // In the out-of-process case, Graphics3D's gles2_impl() exists in the plugin | |
69 // process only, so gles2_impl_ is NULL in that case. | |
70 gpu::gles2::GLES2Implementation* gles2_impl_; | |
71 | |
72 DISALLOW_COPY_AND_ASSIGN(VideoDecoderImpl); | |
73 }; | |
74 | |
75 } // namespace ppapi | |
76 | |
77 #endif // PPAPI_SHARED_IMPL_VIDEO_DECODER_IMPL_H_ | |
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