1 /*
2  *  Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
3  *
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
6  *  tree. An additional intellectual property rights grant can be found
7  *  in the file PATENTS.  All contributing project authors may
8  *  be found in the AUTHORS file in the root of the source tree.
9  */
10 
11 #ifndef WEBRTC_MODULES_VIDEO_CODING_INTERNAL_DEFINES_H_
12 #define WEBRTC_MODULES_VIDEO_CODING_INTERNAL_DEFINES_H_
13 
14 #include "webrtc/typedefs.h"
15 
16 namespace webrtc {
17 
18 #define MASK_32_BITS(x) (0xFFFFFFFF & (x))
19 
MaskWord64ToUWord32(int64_t w64)20 inline uint32_t MaskWord64ToUWord32(int64_t w64) {
21   return static_cast<uint32_t>(MASK_32_BITS(w64));
22 }
23 
24 #define VCM_MAX(a, b) (((a) > (b)) ? (a) : (b))
25 #define VCM_MIN(a, b) (((a) < (b)) ? (a) : (b))
26 
27 #define VCM_DEFAULT_CODEC_WIDTH 352
28 #define VCM_DEFAULT_CODEC_HEIGHT 288
29 #define VCM_DEFAULT_FRAME_RATE 30
30 #define VCM_MIN_BITRATE 30
31 #define VCM_FLUSH_INDICATOR 4
32 
33 #define VCM_NO_RECEIVER_ID 0
34 
35 inline int32_t VCMId(const int32_t vcmId, const int32_t receiverId = 0) {
36   return static_cast<int32_t>((vcmId << 16) + receiverId);
37 }
38 
39 }  // namespace webrtc
40 
41 #endif  // WEBRTC_MODULES_VIDEO_CODING_INTERNAL_DEFINES_H_
42