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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CONTENT_COMMON_GPU_MEDIA_OMX_VIDEO_DECODE_ACCELERATOR_H_ | 5 #ifndef CONTENT_COMMON_GPU_MEDIA_OMX_VIDEO_DECODE_ACCELERATOR_H_ |
6 #define CONTENT_COMMON_GPU_MEDIA_OMX_VIDEO_DECODE_ACCELERATOR_H_ | 6 #define CONTENT_COMMON_GPU_MEDIA_OMX_VIDEO_DECODE_ACCELERATOR_H_ |
7 | 7 |
8 #include <dlfcn.h> | 8 #include <dlfcn.h> |
9 #include <map> | 9 #include <map> |
10 #include <queue> | 10 #include <queue> |
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35 // from any other. OMX callbacks are trampolined from the OMX component's | 35 // from any other. OMX callbacks are trampolined from the OMX component's |
36 // thread to maintain this invariant. The only exception to thread-unsafety is | 36 // thread to maintain this invariant. The only exception to thread-unsafety is |
37 // that references can be added from any thread (practically used only by the | 37 // that references can be added from any thread (practically used only by the |
38 // OMX thread). | 38 // OMX thread). |
39 class OmxVideoDecodeAccelerator : public media::VideoDecodeAccelerator { | 39 class OmxVideoDecodeAccelerator : public media::VideoDecodeAccelerator { |
40 public: | 40 public: |
41 // Does not take ownership of |client| which must outlive |*this|. | 41 // Does not take ownership of |client| which must outlive |*this|. |
42 OmxVideoDecodeAccelerator(media::VideoDecodeAccelerator::Client* client); | 42 OmxVideoDecodeAccelerator(media::VideoDecodeAccelerator::Client* client); |
43 | 43 |
44 // media::VideoDecodeAccelerator implementation. | 44 // media::VideoDecodeAccelerator implementation. |
45 bool Initialize(const std::vector<int32>& config) OVERRIDE; | 45 bool Initialize(Profile profile) OVERRIDE; |
46 void Decode(const media::BitstreamBuffer& bitstream_buffer) OVERRIDE; | 46 void Decode(const media::BitstreamBuffer& bitstream_buffer) OVERRIDE; |
47 virtual void AssignPictureBuffers( | 47 virtual void AssignPictureBuffers( |
48 const std::vector<media::PictureBuffer>& buffers) OVERRIDE; | 48 const std::vector<media::PictureBuffer>& buffers) OVERRIDE; |
49 void ReusePictureBuffer(int32 picture_buffer_id) OVERRIDE; | 49 void ReusePictureBuffer(int32 picture_buffer_id) OVERRIDE; |
50 void Flush() OVERRIDE; | 50 void Flush() OVERRIDE; |
51 void Reset() OVERRIDE; | 51 void Reset() OVERRIDE; |
52 void Destroy() OVERRIDE; | 52 void Destroy() OVERRIDE; |
53 | 53 |
54 void SetEglState(EGLDisplay egl_display, EGLContext egl_context); | 54 void SetEglState(EGLDisplay egl_display, EGLContext egl_context); |
55 | 55 |
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75 struct OutputPicture { | 75 struct OutputPicture { |
76 OutputPicture(media::PictureBuffer p_b, OMX_BUFFERHEADERTYPE* o_b_h, | 76 OutputPicture(media::PictureBuffer p_b, OMX_BUFFERHEADERTYPE* o_b_h, |
77 EGLImageKHR e_i) | 77 EGLImageKHR e_i) |
78 : picture_buffer(p_b), omx_buffer_header(o_b_h), egl_image(e_i) {} | 78 : picture_buffer(p_b), omx_buffer_header(o_b_h), egl_image(e_i) {} |
79 media::PictureBuffer picture_buffer; | 79 media::PictureBuffer picture_buffer; |
80 OMX_BUFFERHEADERTYPE* omx_buffer_header; | 80 OMX_BUFFERHEADERTYPE* omx_buffer_header; |
81 EGLImageKHR egl_image; | 81 EGLImageKHR egl_image; |
82 }; | 82 }; |
83 typedef std::map<int32, OutputPicture> OutputPictureById; | 83 typedef std::map<int32, OutputPicture> OutputPictureById; |
84 | 84 |
85 // Verify that |config| is compatible with this class and hardware. | |
86 bool VerifyConfigs(const std::vector<int32>& configs); | |
87 | |
88 MessageLoop* message_loop_; | 85 MessageLoop* message_loop_; |
89 OMX_HANDLETYPE component_handle_; | 86 OMX_HANDLETYPE component_handle_; |
90 | 87 |
91 // Create the Component for OMX. Handles all OMX initialization. | 88 // Create the Component for OMX. Handles all OMX initialization. |
92 bool CreateComponent(); | 89 bool CreateComponent(); |
93 // Buffer allocation/free methods for input and output buffers. | 90 // Buffer allocation/free methods for input and output buffers. |
94 bool AllocateInputBuffers(); | 91 bool AllocateInputBuffers(); |
95 bool AllocateOutputBuffers(); | 92 bool AllocateOutputBuffers(); |
96 void FreeInputBuffers(); | 93 void FreeInputBuffers(); |
97 void FreeOutputBuffers(); | 94 void FreeOutputBuffers(); |
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178 // Available output picture buffers released during Reset() and awaiting | 175 // Available output picture buffers released during Reset() and awaiting |
179 // re-use once Reset is done. Is empty most of the time and drained right | 176 // re-use once Reset is done. Is empty most of the time and drained right |
180 // before NotifyResetDone is sent. | 177 // before NotifyResetDone is sent. |
181 std::vector<int> queued_picture_buffer_ids_; | 178 std::vector<int> queued_picture_buffer_ids_; |
182 | 179 |
183 // To expose client callbacks from VideoDecodeAccelerator. | 180 // To expose client callbacks from VideoDecodeAccelerator. |
184 // NOTE: all calls to this object *MUST* be executed in message_loop_. | 181 // NOTE: all calls to this object *MUST* be executed in message_loop_. |
185 Client* client_; | 182 Client* client_; |
186 | 183 |
187 // These two members are only used during Initialization. | 184 // These two members are only used during Initialization. |
188 // OMX_VIDEO_AVCProfile requested during Initialization. | 185 // OMX_AVCProfile requested during Initialization. |
189 uint32 profile_; | 186 uint32 profile_; |
190 bool component_name_is_nvidia_h264ext_; | 187 bool component_name_is_nvidia_h264ext_; |
191 | 188 |
192 // Method to handle events | 189 // Method to handle events |
193 void EventHandlerCompleteTask(OMX_EVENTTYPE event, | 190 void EventHandlerCompleteTask(OMX_EVENTTYPE event, |
194 OMX_U32 data1, | 191 OMX_U32 data1, |
195 OMX_U32 data2); | 192 OMX_U32 data2); |
196 | 193 |
197 // Method to receive buffers from component's input port | 194 // Method to receive buffers from component's input port |
198 void EmptyBufferDoneTask(OMX_BUFFERHEADERTYPE* buffer); | 195 void EmptyBufferDoneTask(OMX_BUFFERHEADERTYPE* buffer); |
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214 OMX_PTR event_data); | 211 OMX_PTR event_data); |
215 static OMX_ERRORTYPE EmptyBufferCallback(OMX_HANDLETYPE component, | 212 static OMX_ERRORTYPE EmptyBufferCallback(OMX_HANDLETYPE component, |
216 OMX_PTR priv_data, | 213 OMX_PTR priv_data, |
217 OMX_BUFFERHEADERTYPE* buffer); | 214 OMX_BUFFERHEADERTYPE* buffer); |
218 static OMX_ERRORTYPE FillBufferCallback(OMX_HANDLETYPE component, | 215 static OMX_ERRORTYPE FillBufferCallback(OMX_HANDLETYPE component, |
219 OMX_PTR priv_data, | 216 OMX_PTR priv_data, |
220 OMX_BUFFERHEADERTYPE* buffer); | 217 OMX_BUFFERHEADERTYPE* buffer); |
221 }; | 218 }; |
222 | 219 |
223 #endif // CONTENT_COMMON_GPU_MEDIA_OMX_VIDEO_DECODE_ACCELERATOR_H_ | 220 #endif // CONTENT_COMMON_GPU_MEDIA_OMX_VIDEO_DECODE_ACCELERATOR_H_ |
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