14765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev/* 24765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev** Copyright 2010, The Android Open-Source Project 34765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev** Copyright (c) 2011-2012, Code Aurora Forum. All rights reserved. 44765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev** 54765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev** Licensed under the Apache License, Version 2.0 (the "License"); 64765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev** you may not use this file except in compliance with the License. 74765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev** You may obtain a copy of the License at 84765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev** 94765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev** http://www.apache.org/licenses/LICENSE-2.0 104765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev** 114765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev** Unless required by applicable law or agreed to in writing, software 124765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev** distributed under the License is distributed on an "AS IS" BASIS, 134765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 144765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev** See the License for the specific language governing permissions and 154765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev** limitations under the License. 164765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev*/ 174765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev 184765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev#ifndef _AUDIO_H_ 194765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev#define _AUDIO_H_ 204765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev 214765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev#include <sound/asound.h> 224765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev#define PCM_ERROR_MAX 128 234765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev 244765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchevstruct pcm { 254765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev int fd; 264765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev int timer_fd; 274765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev unsigned rate; 284765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev unsigned channels; 294765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev unsigned flags; 304765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev unsigned format; 314765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev unsigned running:1; 324765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev int underruns; 334765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev unsigned buffer_size; 344765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev unsigned period_size; 354765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev unsigned period_cnt; 364765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev char error[PCM_ERROR_MAX]; 374765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev struct snd_pcm_hw_params *hw_p; 384765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev struct snd_pcm_sw_params *sw_p; 394765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev struct snd_pcm_sync_ptr *sync_ptr; 404765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev struct snd_pcm_channel_info ch[2]; 414765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev void *addr; 424765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev int card_no; 434765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev int device_no; 444765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev int start; 454765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev}; 464765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev 474765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchevenum decoder_alias { 484765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev FORMAT_MP3, 494765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev FORMAT_AC3_PASS_THROUGH = 2, 504765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev}; 514765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev 524765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev#define FORMAT(v) SNDRV_PCM_FORMAT_##v 534765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev 544765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev#define PCM_OUT 0x00000000 554765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev#define PCM_IN 0x10000000 564765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev 574765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev#define PCM_STEREO 0x00000000 584765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev#define PCM_MONO 0x01000000 594765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev#define PCM_QUAD 0x02000000 604765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev#define PCM_5POINT1 0x04000000 614765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev 624765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev#define PCM_44100HZ 0x00000000 634765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev#define PCM_48000HZ 0x00100000 644765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev#define PCM_8000HZ 0x00200000 654765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev#define PCM_RATE_MASK 0x00F00000 664765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev 674765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev#define PCM_MMAP 0x00010000 684765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev#define PCM_NMMAP 0x00000000 694765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev 704765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev#define DEBUG_ON 0x00000001 714765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev#define DEBUG_OFF 0x00000000 724765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev 734765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev#define PCM_PERIOD_CNT_MIN 2 744765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev#define PCM_PERIOD_CNT_SHIFT 16 754765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev#define PCM_PERIOD_CNT_MASK (0xF << PCM_PERIOD_CNT_SHIFT) 764765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev#define PCM_PERIOD_SZ_MIN 128 774765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev#define PCM_PERIOD_SZ_SHIFT 12 784765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev#define PCM_PERIOD_SZ_MASK (0xF << PCM_PERIOD_SZ_SHIFT) 794765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev 804765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev#define TIMEOUT_INFINITE -1 814765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev 824765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev/* Acquire/release a pcm channel. 834765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev * Returns non-zero on error 844765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev */ 854765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev 864765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchevstruct mixer_ctl { 874765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev struct mixer *mixer; 884765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev struct snd_ctl_elem_info *info; 894765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev char **ename; 904765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev}; 914765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev 924765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev#define __snd_alloca(ptr,type) do { *ptr = (type *) alloca(sizeof(type)); memset(*ptr, 0, sizeof(type)); } while (0) 934765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev#define snd_ctl_elem_id_alloca(ptr) __snd_alloca(ptr, snd_ctl_elem_id) 944765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev#define snd_ctl_card_info_alloca(ptr) __snd_alloca(ptr, snd_ctl_card_info) 954765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev#define snd_ctl_event_alloca(ptr) __snd_alloca(ptr, snd_ctl_event) 964765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev#define snd_ctl_elem_list_alloca(ptr) __snd_alloca(ptr, snd_ctl_elem_list) 974765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev#define snd_ctl_elem_info_alloca(ptr) __snd_alloca(ptr, snd_ctl_elem_info) 984765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev#define snd_ctl_elem_value_alloca(ptr) __snd_alloca(ptr, snd_ctl_elem_value) 994765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev 1004765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev 1014765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchevenum snd_pcm_stream_t { 1024765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev /** Playback stream */ 1034765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev SND_PCM_STREAM_PLAYBACK = 0, 1044765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev /** Capture stream */ 1054765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev SND_PCM_STREAM_CAPTURE, 1064765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev SND_PCM_STREAM_LAST = SND_PCM_STREAM_CAPTURE 1074765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev}; 1084765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev 1094765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchevenum _snd_ctl_elem_iface { 1104765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev /** Card level */ 1114765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev SND_CTL_ELEM_IFACE_CARD = 0, 1124765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev /** Hardware dependent device */ 1134765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev SND_CTL_ELEM_IFACE_HWDEP, 1144765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev /** Mixer */ 1154765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev SND_CTL_ELEM_IFACE_MIXER, 1164765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev /** PCM */ 1174765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev SND_CTL_ELEM_IFACE_PCM, 1184765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev /** RawMidi */ 1194765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev SND_CTL_ELEM_IFACE_RAWMIDI, 1204765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev /** Timer */ 1214765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev SND_CTL_ELEM_IFACE_TIMER, 1224765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev /** Sequencer */ 1234765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev SND_CTL_ELEM_IFACE_SEQUENCER, 1244765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev SND_CTL_ELEM_IFACE_LAST = SND_CTL_ELEM_IFACE_SEQUENCER 1254765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev}; 1264765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev 1274765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchevstruct mixer { 1284765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev int fd; 1294765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev struct snd_ctl_elem_info *info; 1304765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev struct mixer_ctl *ctl; 1314765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev unsigned count; 1324765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev}; 1334765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev 1344765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchevint get_format(const char* name); 1354765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchevconst char *get_format_name(int format); 1364765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchevconst char *get_format_desc(int format); 1374765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchevstruct pcm *pcm_open(unsigned flags, char *device); 1384765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchevint pcm_close(struct pcm *pcm); 1394765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchevint pcm_ready(struct pcm *pcm); 1404765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchevint mmap_buffer(struct pcm *pcm); 1414765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchevu_int8_t *dst_address(struct pcm *pcm); 1424765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchevint sync_ptr(struct pcm *pcm); 1434765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev 1444765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchevvoid param_init(struct snd_pcm_hw_params *p); 1454765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchevvoid param_set_mask(struct snd_pcm_hw_params *p, int n, unsigned bit); 1464765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchevvoid param_set_min(struct snd_pcm_hw_params *p, int n, unsigned val); 1474765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchevvoid param_set_int(struct snd_pcm_hw_params *p, int n, unsigned val); 1484765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchevvoid param_set_max(struct snd_pcm_hw_params *p, int n, unsigned val); 1494765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchevint param_set_hw_refine(struct pcm *pcm, struct snd_pcm_hw_params *params); 1504765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchevint param_set_hw_params(struct pcm *pcm, struct snd_pcm_hw_params *params); 1514765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchevint param_set_sw_params(struct pcm *pcm, struct snd_pcm_sw_params *sparams); 1524765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchevvoid param_dump(struct snd_pcm_hw_params *p); 1534765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchevint pcm_prepare(struct pcm *pcm); 1544765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchevlong pcm_avail(struct pcm *pcm); 1554765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev 1564765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev/* Returns a human readable reason for the last error. */ 1574765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchevconst char *pcm_error(struct pcm *pcm); 1584765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev 1594765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev/* Returns the buffer size (int bytes) that should be used for pcm_write. 1604765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev * This will be 1/2 of the actual fifo size. 1614765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev */ 1624765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchevint pcm_buffer_size(struct snd_pcm_hw_params *params); 1634765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchevint pcm_period_size(struct snd_pcm_hw_params *params); 1644765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev 1654765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev/* Write data to the fifo. 1664765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev * Will start playback on the first write or on a write that 1674765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev * occurs after a fifo underrun. 1684765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev */ 1694765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchevint pcm_write(struct pcm *pcm, void *data, unsigned count); 1704765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchevint pcm_read(struct pcm *pcm, void *data, unsigned count); 1714765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev 1724765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchevstruct mixer; 1734765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchevstruct mixer_ctl; 1744765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev 1754765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchevstruct mixer *mixer_open(const char *device); 1764765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchevvoid mixer_close(struct mixer *mixer); 1774765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchevvoid mixer_dump(struct mixer *mixer); 1784765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev 1794765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchevstruct mixer_ctl *mixer_get_control(struct mixer *mixer, 1804765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev const char *name, unsigned index); 1814765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchevstruct mixer_ctl *mixer_get_nth_control(struct mixer *mixer, unsigned n); 1824765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev 1834765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchevint mixer_ctl_set(struct mixer_ctl *ctl, unsigned percent); 1844765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchevint mixer_ctl_select(struct mixer_ctl *ctl, const char *value); 1854765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchevvoid mixer_ctl_get(struct mixer_ctl *ctl, unsigned *value); 1864765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchevint mixer_ctl_set_value(struct mixer_ctl *ctl, int count, char ** argv); 1874765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev 1884765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev 1894765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev#define MAX_NUM_CODECS 32 1904765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev 1914765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev/* compressed audio support */ 1929746c4758b161e26eec92b1ef1ff1bf0ba0bd268Ajay Dudani#ifdef QCOM_COMPRESSED_AUDIO_ENABLED 1934765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchevstruct snd_compr_caps { 1944765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev __u32 num_codecs; 1954765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev __u32 min_fragment_size; 1964765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev __u32 max_fragment_size; 1974765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev __u32 min_fragments; 1984765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev __u32 max_fragments; 1994765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev __u32 codecs[MAX_NUM_CODECS]; 2004765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev __u32 reserved[11]; 2014765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev}; 2024765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev 2034765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchevstruct snd_enc_wma { 2044765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev __u32 super_block_align; /* WMA Type-specific data */ 2054765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev __u32 bits_per_sample; 2064765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev __u32 channelmask; 2074765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev __u32 encodeopt; 2084765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev}; 2094765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev 2104765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchevstruct snd_enc_vorbis { 2114765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev int quality; 2124765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev __u32 managed; 2134765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev __u32 max_bit_rate; 2144765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev __u32 min_bit_rate; 2154765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev __u32 downmix; 2164765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev}; 2174765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev 2184765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchevstruct snd_enc_real { 2194765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev __u32 quant_bits; 2204765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev __u32 start_region; 2214765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev __u32 num_regions; 2224765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev}; 2234765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev 2244765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchevstruct snd_enc_flac { 2254765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev __u32 num; 2264765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev __u32 gain; 2274765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev}; 2284765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev 2294765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchevstruct snd_enc_generic { 2304765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev __u32 bw; /* encoder bandwidth */ 2314765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev int reserved[15]; 2324765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev}; 2334765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev 2344765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchevunion snd_codec_options { 2354765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev struct snd_enc_wma wma; 2364765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev struct snd_enc_vorbis vorbis; 2374765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev struct snd_enc_real real; 2384765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev struct snd_enc_flac flac; 2394765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev struct snd_enc_generic generic; 2404765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev}; 2414765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev 2424765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchevstruct snd_codec { 2434765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev __u32 id; 2444765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev __u32 ch_in; 2454765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev __u32 ch_out; 2464765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev __u32 sample_rate; 2474765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev __u32 bit_rate; 2484765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev __u32 rate_control; 2494765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev __u32 profile; 2504765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev __u32 level; 2514765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev __u32 ch_mode; 2524765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev __u32 format; 2534765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev __u32 align; 2544765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev union snd_codec_options options; 2554765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev __u32 reserved[3]; 2564765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev}; 2574765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev 2584765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchevstruct snd_compressed_buffer { 2594765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev size_t fragment_size; 2604765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev int fragments; 2614765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev}; 2624765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev 2634765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev/* */ 2644765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchevstruct snd_compr_params { 2654765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev struct snd_compressed_buffer buffer; 2664765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev struct snd_codec codec; 2674765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev}; 2684765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev 2694765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchevstruct snd_compr_tstamp { 2704765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev size_t copied_bytes; 2714765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev size_t copied_total; 2724765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev size_t decoded; 2734765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev size_t rendered; 2744765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev __u32 sampling_rate; 2754765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev uint64_t timestamp; 2764765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev}; 2774765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev 2784765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev#define SNDRV_COMPRESS_GET_CAPS _IOWR('C', 0x00, struct snd_compr_caps *) 2794765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev#define SNDRV_COMPRESS_GET_CODEC_CAPS _IOWR('C', 0x01, struct snd_compr_codec_caps *) 2804765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev#define SNDRV_COMPRESS_SET_PARAMS _IOW('C', 0x02, struct snd_compr_params *) 2814765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev#define SNDRV_COMPRESS_GET_PARAMS _IOR('C', 0x03, struct snd_compr_params *) 2824765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev#define SNDRV_COMPRESS_TSTAMP _IOR('C', 0x10, struct snd_compr_tstamp *) 2834765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev#define SNDRV_COMPRESS_AVAIL _IOR('C', 0x11, struct snd_compr_avail *) 2844765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev#define SNDRV_COMPRESS_PAUSE _IO('C', 0x20) 2854765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev#define SNDRV_COMPRESS_RESUME _IO('C', 0x21) 2864765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev#define SNDRV_COMPRESS_START _IO('C', 0x22) 2874765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev#define SNDRV_COMPRESS_STOP _IO('C', 0x23) 2884765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev#define SNDRV_COMPRESS_DRAIN _IO('C', 0x24) 2899746c4758b161e26eec92b1ef1ff1bf0ba0bd268Ajay Dudani#endif 2904765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev 2914765c439491ddda3de658e62cc4a64d10e726b34Iliyan Malchev#endif 292