webrtc/modules/audio_coding/codecs/g722/include/g722_interface.h - Issue 1438663003: modules/audio_coding: Remove some codec include dirs

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Issue 1438663003: modules/audio_coding: Remove some codec include dirs (Closed) Base URL: https://chromium.googlesource.com/external/webrtc.git@master

Patch Set: Rebase again Created 5 years, 1 month ago

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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 MODULES_AUDIO_CODING_CODECS_G722_MAIN_INCLUDE_G722_INTERFACE_H_

12 #define MODULES_AUDIO_CODING_CODECS_G722_MAIN_INCLUDE_G722_INTERFACE_H_

13

14 #include "webrtc/typedefs.h"

15

16 /*

17 * Solution to support multiple instances

18 */

19

20 typedef struct WebRtcG722EncInst G722EncInst;

21 typedef struct WebRtcG722DecInst G722DecInst;

22

23 /*

24 * Comfort noise constants

25 */

26

27 #define G722_WEBRTC_SPEECH 1

28 #define G722_WEBRTC_CNG 2

29

30 #ifdef __cplusplus

31 extern "C" {

32 #endif

33

34

35 /****************************************************************************

36 * WebRtcG722_CreateEncoder(...)

37 *

38 * Create memory used for G722 encoder

39 *

40 * Input:

41 * - G722enc_inst : G722 instance for encoder

42 *

43 * Return value : 0 - Ok

44 * -1 - Error

45 */

46 int16_t WebRtcG722_CreateEncoder(G722EncInst **G722enc_inst);

47

48

49 /****************************************************************************

50 * WebRtcG722_EncoderInit(...)

51 *

52 * This function initializes a G722 instance

53 *

54 * Input:

55 * - G722enc_inst : G722 instance, i.e. the user that should receive

56 * be initialized

57 *

58 * Return value : 0 - Ok

59 * -1 - Error

60 */

61

62 int16_t WebRtcG722_EncoderInit(G722EncInst *G722enc_inst);

63

64

65 /****************************************************************************

66 * WebRtcG722_FreeEncoder(...)

67 *

68 * Free the memory used for G722 encoder

69 *

70 * Input:

71 * - G722enc_inst : G722 instance for encoder

72 *

73 * Return value : 0 - Ok

74 * -1 - Error

75 */

76 int WebRtcG722_FreeEncoder(G722EncInst *G722enc_inst);

77

78

79

80 /****************************************************************************

81 * WebRtcG722_Encode(...)

82 *

83 * This function encodes G722 encoded data.

84 *

85 * Input:

86 * - G722enc_inst : G722 instance, i.e. the user that should encode

87 * a packet

88 * - speechIn : Input speech vector

89 * - len : Samples in speechIn

90 *

91 * Output:

92 * - encoded : The encoded data vector

93 *

94 * Return value : Length (in bytes) of coded data

95 */

96

97 size_t WebRtcG722_Encode(G722EncInst* G722enc_inst,

98 const int16_t* speechIn,

99 size_t len,

100 uint8_t* encoded);

101

102

103 /****************************************************************************

104 * WebRtcG722_CreateDecoder(...)

105 *

106 * Create memory used for G722 encoder

107 *

108 * Input:

109 * - G722dec_inst : G722 instance for decoder

110 *

111 * Return value : 0 - Ok

112 * -1 - Error

113 */

114 int16_t WebRtcG722_CreateDecoder(G722DecInst **G722dec_inst);

115

116 /****************************************************************************

117 * WebRtcG722_DecoderInit(...)

118 *

119 * This function initializes a G722 instance

120 *

121 * Input:

122 * - inst : G722 instance

123 */

124

125 void WebRtcG722_DecoderInit(G722DecInst* inst);

126

127 /****************************************************************************

128 * WebRtcG722_FreeDecoder(...)

129 *

130 * Free the memory used for G722 decoder

131 *

132 * Input:

133 * - G722dec_inst : G722 instance for decoder

134 *

135 * Return value : 0 - Ok

136 * -1 - Error

137 */

138

139 int WebRtcG722_FreeDecoder(G722DecInst *G722dec_inst);

140

141

142 /****************************************************************************

143 * WebRtcG722_Decode(...)

144 *

145 * This function decodes a packet with G729 frame(s). Output speech length

146 * will be a multiple of 80 samples (80*frames/packet).

147 *

148 * Input:

149 * - G722dec_inst : G722 instance, i.e. the user that should decode

150 * a packet

151 * - encoded : Encoded G722 frame(s)

152 * - len : Bytes in encoded vector

153 *

154 * Output:

155 * - decoded : The decoded vector

156 * - speechType : 1 normal, 2 CNG (Since G722 does not have its own

157 * DTX/CNG scheme it should always return 1)

158 *

159 * Return value : Samples in decoded vector

160 */

161

162 size_t WebRtcG722_Decode(G722DecInst *G722dec_inst,

163 const uint8_t* encoded,

164 size_t len,

165 int16_t *decoded,

166 int16_t *speechType);

167

168 /****************************************************************************

169 * WebRtcG722_Version(...)

170 *

171 * Get a string with the current version of the codec

172 */

173

174 int16_t WebRtcG722_Version(char *versionStr, short len);

175

176

177 #ifdef __cplusplus

178 }

179 #endif

180

181

182 #endif /* MODULES_AUDIO_CODING_CODECS_G722_MAIN_INCLUDE_G722_INCLUDE_H_ */

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