1 /* 2 * Copyright (c) 2019-2025 Allwinner Technology Co., Ltd. ALL rights reserved. 3 * 4 * Allwinner is a trademark of Allwinner Technology Co.,Ltd., registered in 5 * the the people's Republic of China and other countries. 6 * All Allwinner Technology Co.,Ltd. trademarks are used with permission. 7 * 8 * DISCLAIMER 9 * THIRD PARTY LICENCES MAY BE REQUIRED TO IMPLEMENT THE SOLUTION/PRODUCT. 10 * IF YOU NEED TO INTEGRATE THIRD PARTY’S TECHNOLOGY (SONY, DTS, DOLBY, AVS OR MPEGLA, ETC.) 11 * IN ALLWINNERS’SDK OR PRODUCTS, YOU SHALL BE SOLELY RESPONSIBLE TO OBTAIN 12 * ALL APPROPRIATELY REQUIRED THIRD PARTY LICENCES. 13 * ALLWINNER SHALL HAVE NO WARRANTY, INDEMNITY OR OTHER OBLIGATIONS WITH RESPECT TO MATTERS 14 * COVERED UNDER ANY REQUIRED THIRD PARTY LICENSE. 15 * YOU ARE SOLELY RESPONSIBLE FOR YOUR USAGE OF THIRD PARTY’S TECHNOLOGY. 16 * 17 * 18 * THIS SOFTWARE IS PROVIDED BY ALLWINNER"AS IS" AND TO THE MAXIMUM EXTENT 19 * PERMITTED BY LAW, ALLWINNER EXPRESSLY DISCLAIMS ALL WARRANTIES OF ANY KIND, 20 * WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING WITHOUT LIMITATION REGARDING 21 * THE TITLE, NON-INFRINGEMENT, ACCURACY, CONDITION, COMPLETENESS, PERFORMANCE 22 * OR MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. 23 * IN NO EVENT SHALL ALLWINNER BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 26 * LOSS OF USE, DATA, OR PROFITS, OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 28 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 30 * OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #ifndef __AW_ALSA_PCM_CONFIG_H 34 #define __AW_ALSA_PCM_CONFIG_H 35 36 #include <stddef.h> 37 #include <aw-alsa-lib/pcm.h> 38 39 typedef struct _snd_pcm_config { 40 const char *name; 41 const char *type; 42 void *config; 43 } snd_pcm_config_t; 44 45 extern const snd_pcm_config_t *_snd_pcm_global_configs; 46 extern const size_t _snd_pcm_global_configs_size; 47 48 #define SND_PCM_CONFIG(xname, xtype, xconfig) \ 49 { \ 50 .name = xname, \ 51 .type = xtype, \ 52 .config = (void *)xconfig, \ 53 } 54 55 #define REGISTER_SND_PCM_GLOBAL_CONFIGS(configs_array) \ 56 const size_t _snd_pcm_global_configs_size = \ 57 sizeof(configs_array) / sizeof(configs_array[0]); \ 58 const snd_pcm_config_t *_snd_pcm_global_configs = configs_array; 59 60 const snd_pcm_config_t *snd_pcm_config_get_config(const char *name); 61 62 typedef int (*snd_pcm_open_func_t)(snd_pcm_t **pcmp, const snd_pcm_config_t *pcm_config, 63 snd_pcm_stream_t stream, int mode); 64 65 typedef struct { 66 const char *type; 67 snd_pcm_open_func_t func; 68 } _snd_pcm_open_func_t; 69 70 snd_pcm_open_func_t snd_pcm_config_get_open_func(const char *type); 71 72 #endif /* __AW_ALSA_PCM_CONFIG_H */ 73