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playsound.h
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1 /*
2 * Copyright (c) 2013, Freescale Semiconductor, Inc.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without modification,
6 * are permitted provided that the following conditions are met:
7 *
8 * o Redistributions of source code must retain the above copyright notice, this list
9 * of conditions and the following disclaimer.
10 *
11 * o Redistributions in binary form must reproduce the above copyright notice, this
12 * list of conditions and the following disclaimer in the documentation and/or
13 * other materials provided with the distribution.
14 *
15 * o Neither the name of Freescale Semiconductor, Inc. nor the names of its
16 * contributors may be used to endorse or promote products derived from this
17 * software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
21 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
22 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
23 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
26 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
28 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30 #ifndef __PLAYSOUND_H__
31 #define __PLAYSOUND_H__
32
33 #include <stdint.h>
34 #include "fsl_soundcard.h"
35 #include "fsl_sgtl5000_driver.h"
36
37
38 /*******************************************************************************
39 * Defination
40 ******************************************************************************/
42 #define WAVE_FILE_HEADER_SIZE (0x2C)
43 typedef struct wave_header
45 {
46 uint8_t riff[4];
47 uint32_t size;
48 uint8_t wave_flag[4];
49 uint8_t fmt[4];
50 uint32_t fmt_len;
51 uint16_t tag;
52 uint16_t channels;
53 uint32_t samp_freq;
54 uint32_t byte_rate;
55 uint16_t block_align;
56 uint16_t bit_samp;
57 uint8_t data_flag[4];
58 uint32_t length;
59 } wave_header_t;
60
63 typedef struct wave_file
64 {
65 wave_header_t header;
66 uint32_t *pData;
67 } wave_file_t;
68
69 /*******************************************************************************
70 * Prototypes
71 ******************************************************************************/
73 typedef uint32_t (*APP_GET_DATA_FUNC)(uint32_t NumBytesReq, uint8_t **ppDada, uint32_t offset);
75 int PLAYSOUND_GetWaveFileInfo(uint8_t* pBuffer, wave_file_t *pWave);
76 int PLAYSOUND_Play(APP_GET_DATA_FUNC fpAppGetData);
77 void PLAYSOUND_Init(void);
78
79 #endif
80
81 /*******************************************************************************
82 * EOF
83 ******************************************************************************/
wave_header_t::samp_freq
uint32_t samp_freq
Definition: playsound.h:53
wave_header_t::bit_samp
uint16_t bit_samp
Definition: playsound.h:56
PLAYSOUND_Init
void PLAYSOUND_Init(void)
Init sound card.
Definition: playsound.c:89
wave_file_t::pData
uint32_t * pData
data pointer
Definition: playsound.h:66
wave_header_t::byte_rate
uint32_t byte_rate
Definition: playsound.h:54
wave_header_t::block_align
uint16_t block_align
Definition: playsound.h:55
PLAYSOUND_Play
int PLAYSOUND_Play(APP_GET_DATA_FUNC fpAppGetData)
Use sound card to play audio, need wave file data, only support standard Windows PCM uncompressed fil...
Definition: playsound.c:116
PLAYSOUND_GetWaveFileInfo
int PLAYSOUND_GetWaveFileInfo(uint8_t *pBuffer, wave_file_t *pWave)
Decode wave file header, only support standard Windows PCM uncompressed file.
Definition: playsound.c:199
APP_GET_DATA_FUNC
uint32_t(* APP_GET_DATA_FUNC)(uint32_t NumBytesReq, uint8_t **ppDada, uint32_t offset)
&lt;
Definition: playsound.h:73
wave_header_t
Definition: modulator.h:70
wave_file_t
Definition: modulator.h:88
wave_header_t::fmt_len
uint32_t fmt_len
Definition: playsound.h:50