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1 /* | 1 /* |
2 * Copyright (c) 2015 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2015 The WebRTC project authors. All Rights Reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 4 * Use of this source code is governed by a BSD-style license |
5 * that can be found in the LICENSE file in the root of the source | 5 * that can be found in the LICENSE file in the root of the source |
6 * tree. An additional intellectual property rights grant can be found | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 * | 9 * |
10 */ | 10 */ |
11 | 11 |
12 #ifndef WEBRTC_MODULES_VIDEO_CODING_CODECS_VP9_VP9_FRAME_BUFFER_POOL_H_ | 12 #ifndef WEBRTC_MODULES_VIDEO_CODING_CODECS_VP9_VP9_FRAME_BUFFER_POOL_H_ |
13 #define WEBRTC_MODULES_VIDEO_CODING_CODECS_VP9_VP9_FRAME_BUFFER_POOL_H_ | 13 #define WEBRTC_MODULES_VIDEO_CODING_CODECS_VP9_VP9_FRAME_BUFFER_POOL_H_ |
14 | 14 |
15 #include <vector> | 15 #include <vector> |
16 | 16 |
17 #include "webrtc/rtc_base/basictypes.h" | 17 #include "webrtc/base/basictypes.h" |
18 #include "webrtc/rtc_base/buffer.h" | 18 #include "webrtc/base/buffer.h" |
19 #include "webrtc/rtc_base/criticalsection.h" | 19 #include "webrtc/base/criticalsection.h" |
20 #include "webrtc/rtc_base/refcount.h" | 20 #include "webrtc/base/refcount.h" |
21 #include "webrtc/rtc_base/scoped_ref_ptr.h" | 21 #include "webrtc/base/scoped_ref_ptr.h" |
22 | 22 |
23 struct vpx_codec_ctx; | 23 struct vpx_codec_ctx; |
24 struct vpx_codec_frame_buffer; | 24 struct vpx_codec_frame_buffer; |
25 | 25 |
26 namespace webrtc { | 26 namespace webrtc { |
27 | 27 |
28 // This memory pool is used to serve buffers to libvpx for decoding purposes in | 28 // This memory pool is used to serve buffers to libvpx for decoding purposes in |
29 // VP9, which is set up in InitializeVPXUsePool. After the initialization any | 29 // VP9, which is set up in InitializeVPXUsePool. After the initialization any |
30 // time libvpx wants to decode a frame it will use buffers provided and released | 30 // time libvpx wants to decode a frame it will use buffers provided and released |
31 // through VpxGetFrameBuffer and VpxReleaseFrameBuffer. | 31 // through VpxGetFrameBuffer and VpxReleaseFrameBuffer. |
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115 // would have to be by application code. Decoded frames should not be | 115 // would have to be by application code. Decoded frames should not be |
116 // referenced for longer than necessary. If we allow ~60 additional buffers | 116 // referenced for longer than necessary. If we allow ~60 additional buffers |
117 // then the application has ~1 second to e.g. render each frame of a 60 fps | 117 // then the application has ~1 second to e.g. render each frame of a 60 fps |
118 // video. | 118 // video. |
119 static const size_t max_num_buffers_ = 68; | 119 static const size_t max_num_buffers_ = 68; |
120 }; | 120 }; |
121 | 121 |
122 } // namespace webrtc | 122 } // namespace webrtc |
123 | 123 |
124 #endif // WEBRTC_MODULES_VIDEO_CODING_CODECS_VP9_VP9_FRAME_BUFFER_POOL_H_ | 124 #endif // WEBRTC_MODULES_VIDEO_CODING_CODECS_VP9_VP9_FRAME_BUFFER_POOL_H_ |
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