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DuerOS-Light-SDK-v1.1.0/duer-os-light/external/speex/wavfmt/wavfmt.h@47:9e361da97763, 2017-07-18 (annotated)

Committer:
TMBOY
Date:
Tue Jul 18 16:54:45 2017 +0800
Revision:
47:9e361da97763
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Who changed what in which revision?

UserRevisionLine numberNew contents of line
TMBOY 47:9e361da97763 1 #ifndef WAVFMT_H
TMBOY 47:9e361da97763 2 #define WAVFMT_H
TMBOY 47:9e361da97763 3
TMBOY 47:9e361da97763 4 #ifdef __cplusplus
TMBOY 47:9e361da97763 5 extern "C" {
TMBOY 47:9e361da97763 6 #endif
TMBOY 47:9e361da97763 7
TMBOY 47:9e361da97763 8
TMBOY 47:9e361da97763 9 typedef struct {
TMBOY 47:9e361da97763 10 char chunkID[4];
TMBOY 47:9e361da97763 11 long chunkSize;
TMBOY 47:9e361da97763 12 } ChunkHeader;
TMBOY 47:9e361da97763 13
TMBOY 47:9e361da97763 14
TMBOY 47:9e361da97763 15 #define RiffID "RIFF" /* chunk ID for RIFF Chunk */
TMBOY 47:9e361da97763 16 #define RIFF_FORMAT "WAVE"
TMBOY 47:9e361da97763 17
TMBOY 47:9e361da97763 18 typedef struct {
TMBOY 47:9e361da97763 19 char chunkID[4]; //'RIFF'
TMBOY 47:9e361da97763 20 long chunkSize;
TMBOY 47:9e361da97763 21 char RiffFmt[4]; //'WAVE'
TMBOY 47:9e361da97763 22 } RiffChunk;
TMBOY 47:9e361da97763 23
TMBOY 47:9e361da97763 24
TMBOY 47:9e361da97763 25
TMBOY 47:9e361da97763 26 #define WAVE_FORMAT_PCM 0X01
TMBOY 47:9e361da97763 27 #define WAVE_CHANNEL_MONO 1
TMBOY 47:9e361da97763 28 #define WAVE_CHANNEL_STEREO 2
TMBOY 47:9e361da97763 29
TMBOY 47:9e361da97763 30
TMBOY 47:9e361da97763 31
TMBOY 47:9e361da97763 32 #define OFFSET_FMT_CHK sizeof(RiffChunk)
TMBOY 47:9e361da97763 33 #define FormatID "fmt " /* chunkID for Format Chunk. NOTE: There is a space at the end of this ID. */
TMBOY 47:9e361da97763 34
TMBOY 47:9e361da97763 35 typedef struct {
TMBOY 47:9e361da97763 36 char chunkID[4];
TMBOY 47:9e361da97763 37 long chunkSize;
TMBOY 47:9e361da97763 38 short wFormatTag;
TMBOY 47:9e361da97763 39 unsigned short wChannels;
TMBOY 47:9e361da97763 40 unsigned long dwSamplesPerSec;
TMBOY 47:9e361da97763 41 unsigned long dwAvgBytesPerSec;
TMBOY 47:9e361da97763 42 unsigned short wBlockAlign;
TMBOY 47:9e361da97763 43 unsigned short wBitsPerSample;
TMBOY 47:9e361da97763 44 /* Note: there may be additional fields here, depending upon wFormatTag. */
TMBOY 47:9e361da97763 45
TMBOY 47:9e361da97763 46 } FormatChunk;
TMBOY 47:9e361da97763 47
TMBOY 47:9e361da97763 48
TMBOY 47:9e361da97763 49 #define OFFSET_DATA_CHK (OFFSET_FMT_CHK + sizeof(FormatChunk))
TMBOY 47:9e361da97763 50 #define DataID "data" /* chunk ID for data Chunk */
TMBOY 47:9e361da97763 51
TMBOY 47:9e361da97763 52 typedef struct {
TMBOY 47:9e361da97763 53 char chunkID[4];
TMBOY 47:9e361da97763 54 long chunkSize;
TMBOY 47:9e361da97763 55
TMBOY 47:9e361da97763 56 unsigned char waveformData[];
TMBOY 47:9e361da97763 57 } DataChunk;
TMBOY 47:9e361da97763 58
TMBOY 47:9e361da97763 59
TMBOY 47:9e361da97763 60 #define ListID "list" /* chunk ID for list Chunk */
TMBOY 47:9e361da97763 61
TMBOY 47:9e361da97763 62 typedef struct {
TMBOY 47:9e361da97763 63 char chunkID[4]; /* 'list' */
TMBOY 47:9e361da97763 64 long chunkSize; /* includes the Type ID below */
TMBOY 47:9e361da97763 65 char typeID[]; /* 'adtl' */
TMBOY 47:9e361da97763 66 } ListHeader;
TMBOY 47:9e361da97763 67
TMBOY 47:9e361da97763 68
TMBOY 47:9e361da97763 69 #define WAVE_HEADER_SIZE (OFFSET_DATA_CHK + sizeof(DataChunk))
TMBOY 47:9e361da97763 70
TMBOY 47:9e361da97763 71
TMBOY 47:9e361da97763 72 int wavfmt_remove_header(FILE *pFile);
TMBOY 47:9e361da97763 73 int wavfmt_add_riff_chunk(FILE *pFile, long size);
TMBOY 47:9e361da97763 74 int wavfmt_add_fmt_chunk(FILE *pFile, unsigned short wChannels, unsigned long dwSamplesPerSec, unsigned long dwAvgBytesPerSec, unsigned short wBitsPerSample);
TMBOY 47:9e361da97763 75 int wavfmt_add_data_chunk_header(FILE *pFile, long size);
TMBOY 47:9e361da97763 76
TMBOY 47:9e361da97763 77
TMBOY 47:9e361da97763 78 #ifdef __cplusplus
TMBOY 47:9e361da97763 79 }
TMBOY 47:9e361da97763 80 #endif
TMBOY 47:9e361da97763 81
TMBOY 47:9e361da97763 82
TMBOY 47:9e361da97763 83 #endif