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(tinyalsa) No longer a header dependency on sound/asound.h

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(tinyalsa) Try to bake it in for android
This commit is contained in:
twinaphex 2017-06-25 02:06:37 +02:00
parent 57514668f3
commit aaa590c817
2 changed files with 534 additions and 118 deletions
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651
audio/drivers/tinyalsa.c
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@ -59,10 +59,9 @@
#include <limits.h>
#include <linux/ioctl.h>
#include <linux/types.h>
#define __force
#define __bitwise
#define __user
#include <sound/asound.h>
#include <retro_inline.h>
@ -143,6 +142,167 @@
*/
#define PCM_STATE_DISCONNECTED 0x08
#define SNDRV_CHMAP_POSITION_MASK 0xffff
#define SNDRV_CHMAP_PHASE_INVERSE (0x01 << 16)
#define SNDRV_CHMAP_DRIVER_SPEC (0x02 << 16)
#define SNDRV_PCM_IOCTL_PVERSION _IOR('A', 0x00, int)
#define SNDRV_PCM_IOCTL_INFO _IOR('A', 0x01, struct snd_pcm_info)
#define SNDRV_PCM_IOCTL_TSTAMP _IOW('A', 0x02, int)
#define SNDRV_PCM_IOCTL_TTSTAMP _IOW('A', 0x03, int)
#define SNDRV_PCM_IOCTL_HW_REFINE _IOWR('A', 0x10, struct snd_pcm_hw_params)
#define SNDRV_PCM_IOCTL_HW_PARAMS _IOWR('A', 0x11, struct snd_pcm_hw_params)
#define SNDRV_PCM_IOCTL_HW_FREE _IO('A', 0x12)
#define SNDRV_PCM_IOCTL_SW_PARAMS _IOWR('A', 0x13, struct snd_pcm_sw_params)
#define SNDRV_PCM_IOCTL_STATUS _IOR('A', 0x20, struct snd_pcm_status)
#define SNDRV_PCM_IOCTL_DELAY _IOR('A', 0x21, snd_pcm_sframes_t)
#define SNDRV_PCM_IOCTL_HWSYNC _IO('A', 0x22)
#define SNDRV_PCM_IOCTL_SYNC_PTR _IOWR('A', 0x23, struct snd_pcm_sync_ptr)
#define SNDRV_PCM_IOCTL_CHANNEL_INFO _IOR('A', 0x32, struct snd_pcm_channel_info)
#define SNDRV_PCM_IOCTL_PREPARE _IO('A', 0x40)
#define SNDRV_PCM_IOCTL_RESET _IO('A', 0x41)
#define SNDRV_PCM_IOCTL_START _IO('A', 0x42)
#define SNDRV_PCM_IOCTL_DROP _IO('A', 0x43)
#define SNDRV_PCM_IOCTL_DRAIN _IO('A', 0x44)
#define SNDRV_PCM_IOCTL_PAUSE _IOW('A', 0x45, int)
#define SNDRV_PCM_IOCTL_REWIND _IOW('A', 0x46, snd_pcm_uframes_t)
#define SNDRV_PCM_IOCTL_RESUME _IO('A', 0x47)
#define SNDRV_PCM_IOCTL_XRUN _IO('A', 0x48)
#define SNDRV_PCM_IOCTL_FORWARD _IOW('A', 0x49, snd_pcm_uframes_t)
#define SNDRV_PCM_IOCTL_WRITEI_FRAMES _IOW('A', 0x50, struct snd_xferi)
#define SNDRV_PCM_IOCTL_READI_FRAMES _IOR('A', 0x51, struct snd_xferi)
#define SNDRV_PCM_IOCTL_WRITEN_FRAMES _IOW('A', 0x52, struct snd_xfern)
#define SNDRV_PCM_IOCTL_READN_FRAMES _IOR('A', 0x53, struct snd_xfern)
#define SNDRV_PCM_IOCTL_LINK _IOW('A', 0x60, int)
#define SNDRV_PCM_IOCTL_UNLINK _IO('A', 0x61)
#define SNDRV_PCM_ACCESS_MMAP_INTERLEAVED ((__force snd_pcm_access_t) 0) /* interleaved mmap */
#define SNDRV_PCM_ACCESS_MMAP_NONINTERLEAVED ((__force snd_pcm_access_t) 1) /* noninterleaved mmap */
#define SNDRV_PCM_ACCESS_MMAP_COMPLEX ((__force snd_pcm_access_t) 2) /* complex mmap */
#define SNDRV_PCM_ACCESS_RW_INTERLEAVED ((__force snd_pcm_access_t) 3) /* readi/writei */
#define SNDRV_PCM_ACCESS_RW_NONINTERLEAVED ((__force snd_pcm_access_t) 4) /* readn/writen */
#define SNDRV_PCM_ACCESS_LAST SNDRV_PCM_ACCESS_RW_NONINTERLEAVED
#define SNDRV_PCM_SUBFORMAT_STD ((__force snd_pcm_subformat_t) 0)
#define SNDRV_PCM_SUBFORMAT_LAST SNDRV_PCM_SUBFORMAT_STD
#define SNDRV_PCM_SUBFORMAT_STD ((__force snd_pcm_subformat_t) 0)
#define SNDRV_PCM_SUBFORMAT_LAST SNDRV_PCM_SUBFORMAT_STD
#define SNDRV_PCM_INFO_MMAP 0x00000001 /* hardware supports mmap */
#define SNDRV_PCM_INFO_MMAP_VALID 0x00000002 /* period data are valid during transfer */
#define SNDRV_PCM_INFO_DOUBLE 0x00000004 /* Double buffering needed for PCM start/stop */
#define SNDRV_PCM_INFO_BATCH 0x00000010 /* double buffering */
#define SNDRV_PCM_INFO_INTERLEAVED 0x00000100 /* channels are interleaved */
#define SNDRV_PCM_INFO_NONINTERLEAVED 0x00000200 /* channels are not interleaved */
#define SNDRV_PCM_INFO_COMPLEX 0x00000400 /* complex frame organization (mmap only) */
#define SNDRV_PCM_INFO_BLOCK_TRANSFER 0x00010000 /* hardware transfer block of samples */
#define SNDRV_PCM_INFO_OVERRANGE 0x00020000 /* hardware supports ADC (capture) overrange detection */
#define SNDRV_PCM_INFO_RESUME 0x00040000 /* hardware supports stream resume after suspend */
#define SNDRV_PCM_INFO_PAUSE 0x00080000 /* pause ioctl is supported */
#define SNDRV_PCM_INFO_HALF_DUPLEX 0x00100000 /* only half duplex */
#define SNDRV_PCM_INFO_JOINT_DUPLEX 0x00200000 /* playback and capture stream are somewhat correlated */
#define SNDRV_PCM_INFO_SYNC_START 0x00400000 /* pcm support some kind of sync go */
#define SNDRV_PCM_INFO_NO_PERIOD_WAKEUP 0x00800000 /* period wakeup can be disabled */
#define SNDRV_PCM_INFO_HAS_WALL_CLOCK 0x01000000 /* has audio wall clock for audio/system time sync */
#define SNDRV_PCM_INFO_FIFO_IN_FRAMES 0x80000000 /* internal kernel flag - FIFO size is in frames */
#define SNDRV_PCM_STATE_OPEN ((__force snd_pcm_state_t) 0) /* stream is open */
#define SNDRV_PCM_STATE_SETUP ((__force snd_pcm_state_t) 1) /* stream has a setup */
#define SNDRV_PCM_STATE_PREPARED ((__force snd_pcm_state_t) 2) /* stream is ready to start */
#define SNDRV_PCM_STATE_RUNNING ((__force snd_pcm_state_t) 3) /* stream is running */
#define SNDRV_PCM_STATE_XRUN ((__force snd_pcm_state_t) 4) /* stream reached an xrun */
#define SNDRV_PCM_STATE_DRAINING ((__force snd_pcm_state_t) 5) /* stream is draining */
#define SNDRV_PCM_STATE_PAUSED ((__force snd_pcm_state_t) 6) /* stream is paused */
#define SNDRV_PCM_STATE_SUSPENDED ((__force snd_pcm_state_t) 7) /* hardware is suspended */
#define SNDRV_PCM_STATE_DISCONNECTED ((__force snd_pcm_state_t) 8) /* hardware is disconnected */
#define SNDRV_PCM_STATE_LAST SNDRV_PCM_STATE_DISCONNECTED
#define SNDRV_PCM_HW_PARAM_ACCESS 0 /* Access type */
#define SNDRV_PCM_HW_PARAM_FORMAT 1 /* Format */
#define SNDRV_PCM_HW_PARAM_SUBFORMAT 2 /* Subformat */
#define SNDRV_PCM_HW_PARAM_FIRST_MASK SNDRV_PCM_HW_PARAM_ACCESS
#define SNDRV_PCM_HW_PARAM_LAST_MASK SNDRV_PCM_HW_PARAM_SUBFORMAT
#define SNDRV_PCM_HW_PARAM_SAMPLE_BITS 8 /* Bits per sample */
#define SNDRV_PCM_HW_PARAM_FRAME_BITS 9 /* Bits per frame */
#define SNDRV_PCM_HW_PARAM_CHANNELS 10 /* Channels */
#define SNDRV_PCM_HW_PARAM_RATE 11 /* Approx rate */
#define SNDRV_PCM_HW_PARAM_PERIOD_TIME 12 /* Approx distance between
* interrupts in us
*/
#define SNDRV_PCM_HW_PARAM_PERIOD_SIZE 13 /* Approx frames between
* interrupts
*/
#define SNDRV_PCM_HW_PARAM_PERIOD_BYTES 14 /* Approx bytes between
* interrupts
*/
#define SNDRV_PCM_HW_PARAM_PERIODS 15 /* Approx interrupts per
* buffer
*/
#define SNDRV_PCM_HW_PARAM_BUFFER_TIME 16 /* Approx duration of buffer
* in us
*/
#define SNDRV_PCM_HW_PARAM_BUFFER_SIZE 17 /* Size of buffer in frames */
#define SNDRV_PCM_HW_PARAM_BUFFER_BYTES 18 /* Size of buffer in bytes */
#define SNDRV_PCM_HW_PARAM_TICK_TIME 19 /* Approx tick duration in us */
#define SNDRV_PCM_HW_PARAM_FIRST_INTERVAL SNDRV_PCM_HW_PARAM_SAMPLE_BITS
#define SNDRV_PCM_HW_PARAM_LAST_INTERVAL SNDRV_PCM_HW_PARAM_TICK_TIME
#define SNDRV_PCM_HW_PARAMS_NORESAMPLE (1<<0) /* avoid rate resampling */
#define SNDRV_PCM_HW_PARAMS_EXPORT_BUFFER (1<<1) /* export buffer */
#define SNDRV_PCM_HW_PARAMS_NO_PERIOD_WAKEUP (1<<2) /* disable period wakeups */
#define SNDRV_PCM_FORMAT_S8 ((__force snd_pcm_format_t) 0)
#define SNDRV_PCM_FORMAT_U8 ((__force snd_pcm_format_t) 1)
#define SNDRV_PCM_FORMAT_S16_LE ((__force snd_pcm_format_t) 2)
#define SNDRV_PCM_FORMAT_S16_BE ((__force snd_pcm_format_t) 3)
#define SNDRV_PCM_FORMAT_U16_LE ((__force snd_pcm_format_t) 4)
#define SNDRV_PCM_FORMAT_U16_BE ((__force snd_pcm_format_t) 5)
#define SNDRV_PCM_FORMAT_S24_LE ((__force snd_pcm_format_t) 6) /* low three bytes */
#define SNDRV_PCM_FORMAT_S24_BE ((__force snd_pcm_format_t) 7) /* low three bytes */
#define SNDRV_PCM_FORMAT_U24_LE ((__force snd_pcm_format_t) 8) /* low three bytes */
#define SNDRV_PCM_FORMAT_U24_BE ((__force snd_pcm_format_t) 9) /* low three bytes */
#define SNDRV_PCM_FORMAT_S32_LE ((__force snd_pcm_format_t) 10)
#define SNDRV_PCM_FORMAT_S32_BE ((__force snd_pcm_format_t) 11)
#define SNDRV_PCM_FORMAT_U32_LE ((__force snd_pcm_format_t) 12)
#define SNDRV_PCM_FORMAT_U32_BE ((__force snd_pcm_format_t) 13)
#define SNDRV_PCM_FORMAT_FLOAT_LE ((__force snd_pcm_format_t) 14) /* 4-byte float, IEEE-754 32-bit, range -1.0 to 1.0 */
#define SNDRV_PCM_FORMAT_FLOAT_BE ((__force snd_pcm_format_t) 15) /* 4-byte float, IEEE-754 32-bit, range -1.0 to 1.0 */
#define SNDRV_PCM_FORMAT_FLOAT64_LE ((__force snd_pcm_format_t) 16) /* 8-byte float, IEEE-754 64-bit, range -1.0 to 1.0 */
#define SNDRV_PCM_FORMAT_FLOAT64_BE ((__force snd_pcm_format_t) 17) /* 8-byte float, IEEE-754 64-bit, range -1.0 to 1.0 */
#define SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE ((__force snd_pcm_format_t) 18) /* IEC-958 subframe, Little Endian */
#define SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE ((__force snd_pcm_format_t) 19) /* IEC-958 subframe, Big Endian */
#define SNDRV_PCM_FORMAT_MU_LAW ((__force snd_pcm_format_t) 20)
#define SNDRV_PCM_FORMAT_A_LAW ((__force snd_pcm_format_t) 21)
#define SNDRV_PCM_FORMAT_IMA_ADPCM ((__force snd_pcm_format_t) 22)
#define SNDRV_PCM_FORMAT_MPEG ((__force snd_pcm_format_t) 23)
#define SNDRV_PCM_FORMAT_GSM ((__force snd_pcm_format_t) 24)
#define SNDRV_PCM_FORMAT_SPECIAL ((__force snd_pcm_format_t) 31)
#define SNDRV_PCM_FORMAT_S24_3LE ((__force snd_pcm_format_t) 32) /* in three bytes */
#define SNDRV_PCM_FORMAT_S24_3BE ((__force snd_pcm_format_t) 33) /* in three bytes */
#define SNDRV_PCM_FORMAT_U24_3LE ((__force snd_pcm_format_t) 34) /* in three bytes */
#define SNDRV_PCM_FORMAT_U24_3BE ((__force snd_pcm_format_t) 35) /* in three bytes */
#define SNDRV_PCM_FORMAT_S20_3LE ((__force snd_pcm_format_t) 36) /* in three bytes */
#define SNDRV_PCM_FORMAT_S20_3BE ((__force snd_pcm_format_t) 37) /* in three bytes */
#define SNDRV_PCM_FORMAT_U20_3LE ((__force snd_pcm_format_t) 38) /* in three bytes */
#define SNDRV_PCM_FORMAT_U20_3BE ((__force snd_pcm_format_t) 39) /* in three bytes */
#define SNDRV_PCM_FORMAT_S18_3LE ((__force snd_pcm_format_t) 40) /* in three bytes */
#define SNDRV_PCM_FORMAT_S18_3BE ((__force snd_pcm_format_t) 41) /* in three bytes */
#define SNDRV_PCM_FORMAT_U18_3LE ((__force snd_pcm_format_t) 42) /* in three bytes */
#define SNDRV_PCM_FORMAT_U18_3BE ((__force snd_pcm_format_t) 43) /* in three bytes */
#define SNDRV_PCM_FORMAT_G723_24 ((__force snd_pcm_format_t) 44) /* 8 samples in 3 bytes */
#define SNDRV_PCM_FORMAT_G723_24_1B ((__force snd_pcm_format_t) 45) /* 1 sample in 1 byte */
#define SNDRV_PCM_FORMAT_G723_40 ((__force snd_pcm_format_t) 46) /* 8 Samples in 5 bytes */
#define SNDRV_PCM_FORMAT_G723_40_1B ((__force snd_pcm_format_t) 47) /* 1 sample in 1 byte */
#define SNDRV_PCM_FORMAT_DSD_U8 ((__force snd_pcm_format_t) 48) /* DSD, 1-byte samples DSD (x8) */
#define SNDRV_PCM_FORMAT_DSD_U16_LE ((__force snd_pcm_format_t) 49) /* DSD, 2-byte samples DSD (x16), little endian */
#define SNDRV_PCM_FORMAT_DSD_U32_LE ((__force snd_pcm_format_t) 50) /* DSD, 4-byte samples DSD (x32), little endian */
#define SNDRV_PCM_FORMAT_DSD_U16_BE ((__force snd_pcm_format_t) 51) /* DSD, 2-byte samples DSD (x16), big endian */
#define SNDRV_PCM_FORMAT_DSD_U32_BE ((__force snd_pcm_format_t) 52) /* DSD, 4-byte samples DSD (x32), big endian */
#define SNDRV_PCM_FORMAT_LAST SNDRV_PCM_FORMAT_DSD_U32_BE
#define SNDRV_MASK_MAX 256
#define SNDRV_PCM_SYNC_PTR_HWSYNC (1<<0) /* execute hwsync */
#define SNDRV_PCM_SYNC_PTR_APPL (1<<1) /* get appl_ptr from driver (r/w op) */
#define SNDRV_PCM_SYNC_PTR_AVAIL_MIN (1<<2) /* get avail_min from driver */
/** Audio sample format of a PCM.
* The first letter specifiers whether the sample is signed or unsigned.
* The letter 'S' means signed. The letter 'U' means unsigned.
@ -177,41 +337,11 @@ enum pcm_format
PCM_FORMAT_MAX
};
/** A bit mask of 256 bits (32 bytes) that describes some hardware parameters of a PCM */
struct pcm_mask {
/** bits of the bit mask */
unsigned int bits[32 / sizeof(unsigned int)];
};
/** Encapsulates the hardware and software parameters of a PCM.
* @ingroup libtinyalsa-pcm
*/
struct pcm_config
enum
{
/** The number of channels in a frame */
unsigned int channels;
/** The number of frames per second */
unsigned int rate;
/** The number of frames in a period */
unsigned int period_size;
/** The number of periods in a PCM */
unsigned int period_count;
/** The sample format of a PCM */
enum pcm_format format;
/* Values to use for the ALSA start, stop and silence thresholds. Setting
* any one of these values to 0 will cause the default tinyalsa values to be
* used instead. Tinyalsa defaults are as follows.
*
* start_threshold : period_count * period_size
* stop_threshold : period_count * period_size
* silence_threshold : 0
*/
/** The minimum number of frames required to start the PCM */
unsigned int start_threshold;
/** The minimum number of frames required to stop the PCM */
unsigned int stop_threshold;
/** The minimum number of frames to silence the PCM */
unsigned int silence_threshold;
SNDRV_PCM_TSTAMP_NONE = 0,
SNDRV_PCM_TSTAMP_ENABLE,
SNDRV_PCM_TSTAMP_LAST = SNDRV_PCM_TSTAMP_ENABLE,
};
/** Enumeration of a PCM's hardware parameters.
@ -247,6 +377,250 @@ enum pcm_param
PCM_PARAM_TICK_TIME,
}; /* enum pcm_param */
/* channel positions */
enum
{
SNDRV_CHMAP_UNKNOWN = 0,
SNDRV_CHMAP_NA, /* N/A, silent */
SNDRV_CHMAP_MONO, /* mono stream */
/* this follows the alsa-lib mixer channel value + 3 */
SNDRV_CHMAP_FL, /* front left */
SNDRV_CHMAP_FR, /* front right */
SNDRV_CHMAP_RL, /* rear left */
SNDRV_CHMAP_RR, /* rear right */
SNDRV_CHMAP_FC, /* front center */
SNDRV_CHMAP_LFE, /* LFE */
SNDRV_CHMAP_SL, /* side left */
SNDRV_CHMAP_SR, /* side right */
SNDRV_CHMAP_RC, /* rear center */
/* new definitions */
SNDRV_CHMAP_FLC, /* front left center */
SNDRV_CHMAP_FRC, /* front right center */
SNDRV_CHMAP_RLC, /* rear left center */
SNDRV_CHMAP_RRC, /* rear right center */
SNDRV_CHMAP_FLW, /* front left wide */
SNDRV_CHMAP_FRW, /* front right wide */
SNDRV_CHMAP_FLH, /* front left high */
SNDRV_CHMAP_FCH, /* front center high */
SNDRV_CHMAP_FRH, /* front right high */
SNDRV_CHMAP_TC, /* top center */
SNDRV_CHMAP_TFL, /* top front left */
SNDRV_CHMAP_TFR, /* top front right */
SNDRV_CHMAP_TFC, /* top front center */
SNDRV_CHMAP_TRL, /* top rear left */
SNDRV_CHMAP_TRR, /* top rear right */
SNDRV_CHMAP_TRC, /* top rear center */
/* new definitions for UAC2 */
SNDRV_CHMAP_TFLC, /* top front left center */
SNDRV_CHMAP_TFRC, /* top front right center */
SNDRV_CHMAP_TSL, /* top side left */
SNDRV_CHMAP_TSR, /* top side right */
SNDRV_CHMAP_LLFE, /* left LFE */
SNDRV_CHMAP_RLFE, /* right LFE */
SNDRV_CHMAP_BC, /* bottom center */
SNDRV_CHMAP_BLC, /* bottom left center */
SNDRV_CHMAP_BRC, /* bottom right center */
SNDRV_CHMAP_LAST = SNDRV_CHMAP_BRC,
};
enum
{
SNDRV_PCM_MMAP_OFFSET_DATA = 0x00000000,
SNDRV_PCM_MMAP_OFFSET_STATUS = 0x80000000,
SNDRV_PCM_MMAP_OFFSET_CONTROL = 0x81000000,
};
enum
{
SNDRV_PCM_TSTAMP_TYPE_GETTIMEOFDAY = 0, /* gettimeofday equivalent */
SNDRV_PCM_TSTAMP_TYPE_MONOTONIC, /* posix_clock_monotonic equivalent */
SNDRV_PCM_TSTAMP_TYPE_MONOTONIC_RAW, /* monotonic_raw (no NTP) */
SNDRV_PCM_TSTAMP_TYPE_LAST = SNDRV_PCM_TSTAMP_TYPE_MONOTONIC_RAW,
};
typedef unsigned long snd_pcm_uframes_t;
typedef signed long snd_pcm_sframes_t;
typedef int snd_pcm_hw_param_t;
typedef int __bitwise snd_pcm_access_t;
typedef int __bitwise snd_pcm_subformat_t;
typedef int __bitwise snd_pcm_subformat_t;
typedef int __bitwise snd_pcm_state_t;
typedef int __bitwise snd_pcm_format_t;
/** A bit mask of 256 bits (32 bytes) that describes some hardware parameters of a PCM */
struct pcm_mask
{
/** bits of the bit mask */
unsigned int bits[32 / sizeof(unsigned int)];
};
union snd_pcm_sync_id
{
unsigned char id[16];
unsigned short id16[8];
unsigned int id32[4];
};
struct snd_pcm_mmap_status
{
snd_pcm_state_t state; /* RO: state - SNDRV_PCM_STATE_XXXX */
int pad1; /* Needed for 64 bit alignment */
snd_pcm_uframes_t hw_ptr; /* RO: hw ptr (0...boundary-1) */
struct timespec tstamp; /* Timestamp */
snd_pcm_state_t suspended_state; /* RO: suspended stream state */
struct timespec audio_tstamp; /* from sample counter or wall clock */
};
struct snd_pcm_info
{
unsigned int device; /* RO/WR (control): device number */
unsigned int subdevice; /* RO/WR (control): subdevice number */
int stream; /* RO/WR (control): stream direction */
int card; /* R: card number */
unsigned char id[64]; /* ID (user selectable) */
unsigned char name[80]; /* name of this device */
unsigned char subname[32]; /* subdevice name */
int dev_class; /* SNDRV_PCM_CLASS_* */
int dev_subclass; /* SNDRV_PCM_SUBCLASS_* */
unsigned int subdevices_count;
unsigned int subdevices_avail;
union snd_pcm_sync_id sync; /* hardware synchronization ID */
unsigned char reserved[64]; /* reserved for future... */
};
struct snd_interval
{
unsigned int min, max;
unsigned int openmin:1,
openmax:1,
integer:1,
empty:1;
};
struct snd_mask
{
__u32 bits[(SNDRV_MASK_MAX+31)/32];
};
struct snd_pcm_sw_params
{
int tstamp_mode; /* timestamp mode */
unsigned int period_step;
unsigned int sleep_min; /* min ticks to sleep */
snd_pcm_uframes_t avail_min; /* min avail frames for wakeup */
snd_pcm_uframes_t xfer_align; /* obsolete: xfer size need to be a multiple */
snd_pcm_uframes_t start_threshold; /* min hw_avail frames for automatic start */
snd_pcm_uframes_t stop_threshold; /* min avail frames for automatic stop */
snd_pcm_uframes_t silence_threshold; /* min distance from noise for silence filling */
snd_pcm_uframes_t silence_size; /* silence block size */
snd_pcm_uframes_t boundary; /* pointers wrap point */
unsigned int proto; /* protocol version */
unsigned int tstamp_type; /* timestamp type (req. proto >= 2.0.12) */
unsigned char reserved[56]; /* reserved for future */
};
struct snd_pcm_hw_params
{
unsigned int flags;
struct snd_mask masks[SNDRV_PCM_HW_PARAM_LAST_MASK -
SNDRV_PCM_HW_PARAM_FIRST_MASK + 1];
struct snd_mask mres[5]; /* reserved masks */
struct snd_interval intervals[SNDRV_PCM_HW_PARAM_LAST_INTERVAL -
SNDRV_PCM_HW_PARAM_FIRST_INTERVAL + 1];
struct snd_interval ires[9]; /* reserved intervals */
unsigned int rmask; /* W: requested masks */
unsigned int cmask; /* R: changed masks */
unsigned int info; /* R: Info flags for returned setup */
unsigned int msbits; /* R: used most significant bits */
unsigned int rate_num; /* R: rate numerator */
unsigned int rate_den; /* R: rate denominator */
snd_pcm_uframes_t fifo_size; /* R: chip FIFO size in frames */
unsigned char reserved[64]; /* reserved for future */
};
/** Encapsulates the hardware and software parameters of a PCM.
* @ingroup libtinyalsa-pcm
*/
struct pcm_config
{
/** The number of channels in a frame */
unsigned int channels;
/** The number of frames per second */
unsigned int rate;
/** The number of frames in a period */
unsigned int period_size;
/** The number of periods in a PCM */
unsigned int period_count;
/** The sample format of a PCM */
enum pcm_format format;
/* Values to use for the ALSA start, stop and silence thresholds. Setting
* any one of these values to 0 will cause the default tinyalsa values to be
* used instead. Tinyalsa defaults are as follows.
*
* start_threshold : period_count * period_size
* stop_threshold : period_count * period_size
* silence_threshold : 0
*/
/** The minimum number of frames required to start the PCM */
unsigned int start_threshold;
/** The minimum number of frames required to stop the PCM */
unsigned int stop_threshold;
/** The minimum number of frames to silence the PCM */
unsigned int silence_threshold;
};
struct snd_pcm_mmap_control
{
snd_pcm_uframes_t appl_ptr; /* RW: appl ptr (0...boundary-1) */
snd_pcm_uframes_t avail_min; /* RW: min available frames for wakeup */
};
struct snd_pcm_sync_ptr
{
unsigned int flags;
union
{
struct snd_pcm_mmap_status status;
unsigned char reserved[64];
} s;
union
{
struct snd_pcm_mmap_control control;
unsigned char reserved[64];
} c;
};
struct snd_xferi
{
snd_pcm_sframes_t result;
void __user *buf;
snd_pcm_uframes_t frames;
};
struct snd_xfern
{
snd_pcm_sframes_t result;
void __user * __user *bufs;
snd_pcm_uframes_t frames;
};
struct snd_pcm_status
{
snd_pcm_state_t state; /* stream state */
struct timespec trigger_tstamp; /* time when stream was started/stopped/paused */
struct timespec tstamp; /* reference timestamp */
snd_pcm_uframes_t appl_ptr; /* appl ptr */
snd_pcm_uframes_t hw_ptr; /* hw ptr */
snd_pcm_sframes_t delay; /* current delay in frames */
snd_pcm_uframes_t avail; /* number of frames available */
snd_pcm_uframes_t avail_max; /* max frames available on hw since last status */
snd_pcm_uframes_t overrange; /* count of ADC (capture) overrange detections from last status */
snd_pcm_state_t suspended_state; /* suspended stream state */
__u32 reserved_alignment; /* must be filled with zero */
struct timespec audio_tstamp; /* from sample counter or wall clock */
unsigned char reserved[56-sizeof(struct timespec)]; /* must be filled with zero */
};
struct pcm_params;
#define TINYALSA_CHANNELS_MAX 32U
@ -298,7 +672,8 @@ static void param_set_mask(struct snd_pcm_hw_params *p, int n, unsigned int bit)
static void param_set_min(struct snd_pcm_hw_params *p, int n, unsigned int val)
{
if (param_is_interval(n)) {
if (param_is_interval(n))
{
struct snd_interval *i = param_to_interval(p, n);
i->min = val;
}
@ -319,7 +694,8 @@ static unsigned int param_get_min(const struct snd_pcm_hw_params *p, int n)
static unsigned int param_get_max(const struct snd_pcm_hw_params *p, int n)
{
if (param_is_interval(n)) {
if (param_is_interval(n))
{
const struct snd_interval *i = param_get_interval(p, n);
return i->max;
}
@ -329,7 +705,8 @@ static unsigned int param_get_max(const struct snd_pcm_hw_params *p, int n)
static void param_set_int(struct snd_pcm_hw_params *p, int n, unsigned int val)
{
if (param_is_interval(n)) {
if (param_is_interval(n))
{
struct snd_interval *i = param_to_interval(p, n);
i->min = val;
i->max = val;
@ -339,7 +716,8 @@ static void param_set_int(struct snd_pcm_hw_params *p, int n, unsigned int val)
static unsigned int param_get_int(struct snd_pcm_hw_params *p, int n)
{
if (param_is_interval(n)) {
if (param_is_interval(n))
{
struct snd_interval *i = param_to_interval(p, n);
if (i->integer)
return i->max;
@ -349,31 +727,32 @@ static unsigned int param_get_int(struct snd_pcm_hw_params *p, int n)
static void param_init(struct snd_pcm_hw_params *p)
{
int n;
int n;
memset(p, 0, sizeof(*p));
for (n = SNDRV_PCM_HW_PARAM_FIRST_MASK;
n <= SNDRV_PCM_HW_PARAM_LAST_MASK; n++) {
struct snd_mask *m = param_to_mask(p, n);
m->bits[0] = ~0;
m->bits[1] = ~0;
}
for (n = SNDRV_PCM_HW_PARAM_FIRST_INTERVAL;
n <= SNDRV_PCM_HW_PARAM_LAST_INTERVAL; n++) {
struct snd_interval *i = param_to_interval(p, n);
i->min = 0;
i->max = ~0;
}
p->rmask = ~0U;
p->cmask = 0;
p->info = ~0U;
memset(p, 0, sizeof(*p));
for (n = SNDRV_PCM_HW_PARAM_FIRST_MASK;
n <= SNDRV_PCM_HW_PARAM_LAST_MASK; n++)
{
struct snd_mask *m = param_to_mask(p, n);
m->bits[0] = ~0;
m->bits[1] = ~0;
}
for (n = SNDRV_PCM_HW_PARAM_FIRST_INTERVAL;
n <= SNDRV_PCM_HW_PARAM_LAST_INTERVAL; n++)
{
struct snd_interval *i = param_to_interval(p, n);
i->min = 0;
i->max = ~0;
}
p->rmask = ~0U;
p->cmask = 0;
p->info = ~0U;
}
static unsigned int pcm_format_to_alsa(enum pcm_format format)
{
switch (format)
{
case PCM_FORMAT_S8:
return SNDRV_PCM_FORMAT_S8;
@ -602,9 +981,15 @@ static unsigned int pcm_frames_to_bytes(const struct pcm *pcm, unsigned int fram
* */
static int pcm_set_config(struct pcm *pcm, const struct pcm_config *config)
{
struct snd_pcm_sw_params sparams;
struct snd_pcm_hw_params params;
if (pcm == NULL)
return -EFAULT;
else if (config == NULL)
if (config)
pcm->config = *config;
else
{
config = &pcm->config;
pcm->config.channels = 2;
@ -616,10 +1001,7 @@ static int pcm_set_config(struct pcm *pcm, const struct pcm_config *config)
pcm->config.stop_threshold = config->period_count * config->period_size;
pcm->config.silence_threshold = 0;
}
else
pcm->config = *config;
struct snd_pcm_hw_params params;
param_init(&params);
param_set_mask(&params, SNDRV_PCM_HW_PARAM_FORMAT,
pcm_format_to_alsa(config->format));
@ -635,9 +1017,10 @@ static int pcm_set_config(struct pcm *pcm, const struct pcm_config *config)
param_set_int(&params, SNDRV_PCM_HW_PARAM_PERIODS, config->period_count);
param_set_int(&params, SNDRV_PCM_HW_PARAM_RATE, config->rate);
if (pcm->flags & PCM_NOIRQ) {
if (!(pcm->flags & PCM_MMAP)) {
if (pcm->flags & PCM_NOIRQ)
{
if (!(pcm->flags & PCM_MMAP))
{
oops(pcm, -EINVAL, "noirq only currently supported with mmap().");
return -EINVAL;
}
@ -653,7 +1036,8 @@ static int pcm_set_config(struct pcm *pcm, const struct pcm_config *config)
param_set_mask(&params, SNDRV_PCM_HW_PARAM_ACCESS,
SNDRV_PCM_ACCESS_RW_INTERLEAVED);
if (ioctl(pcm->fd, SNDRV_PCM_IOCTL_HW_PARAMS, &params)) {
if (ioctl(pcm->fd, SNDRV_PCM_IOCTL_HW_PARAMS, &params))
{
int errno_copy = errno;
oops(pcm, -errno, "cannot set hw params");
return -errno_copy;
@ -664,10 +1048,12 @@ static int pcm_set_config(struct pcm *pcm, const struct pcm_config *config)
pcm->config.period_count = param_get_int(&params, SNDRV_PCM_HW_PARAM_PERIODS);
pcm->buffer_size = config->period_count * config->period_size;
if (pcm->flags & PCM_MMAP) {
if (pcm->flags & PCM_MMAP)
{
pcm->mmap_buffer = mmap(NULL, pcm_frames_to_bytes(pcm, pcm->buffer_size),
PROT_READ | PROT_WRITE, MAP_FILE | MAP_SHARED, pcm->fd, 0);
if (pcm->mmap_buffer == MAP_FAILED) {
if (pcm->mmap_buffer == MAP_FAILED)
{
int errno_copy = errno;
oops(pcm, -errno, "failed to mmap buffer %d bytes\n",
pcm_frames_to_bytes(pcm, pcm->buffer_size));
@ -675,13 +1061,13 @@ static int pcm_set_config(struct pcm *pcm, const struct pcm_config *config)
}
}
struct snd_pcm_sw_params sparams;
memset(&sparams, 0, sizeof(sparams));
sparams.tstamp_mode = SNDRV_PCM_TSTAMP_ENABLE;
sparams.period_step = 1;
sparams.avail_min = 1;
if (!config->start_threshold) {
if (!config->start_threshold)
{
if (pcm->flags & PCM_IN)
pcm->config.start_threshold = sparams.start_threshold = 1;
else
@ -691,7 +1077,8 @@ static int pcm_set_config(struct pcm *pcm, const struct pcm_config *config)
sparams.start_threshold = config->start_threshold;
/* pick a high stop threshold - todo: does this need further tuning */
if (!config->stop_threshold) {
if (!config->stop_threshold)
{
if (pcm->flags & PCM_IN)
pcm->config.stop_threshold = sparams.stop_threshold =
config->period_count * config->period_size * 10;
@ -710,7 +1097,8 @@ static int pcm_set_config(struct pcm *pcm, const struct pcm_config *config)
while (pcm->boundary * 2 <= INT_MAX - pcm->buffer_size)
pcm->boundary *= 2;
if (ioctl(pcm->fd, SNDRV_PCM_IOCTL_SW_PARAMS, &sparams)) {
if (ioctl(pcm->fd, SNDRV_PCM_IOCTL_SW_PARAMS, &sparams))
{
int errno_copy = errno;
oops(pcm, -errno, "cannot set sw params");
return -errno_copy;
@ -751,7 +1139,8 @@ static int pcm_hw_mmap_status(struct pcm *pcm)
MAP_FILE | MAP_SHARED, pcm->fd, SNDRV_PCM_MMAP_OFFSET_CONTROL);
if (pcm->mmap_control == MAP_FAILED)
pcm->mmap_control = NULL;
if (!pcm->mmap_control) {
if (!pcm->mmap_control)
{
munmap(pcm->mmap_status, page_size);
pcm->mmap_status = NULL;
goto mmap_error;
@ -773,11 +1162,15 @@ mmap_error:
return 0;
}
static void pcm_hw_munmap_status(struct pcm *pcm) {
if (pcm->sync_ptr) {
static void pcm_hw_munmap_status(struct pcm *pcm)
{
if (pcm->sync_ptr)
{
free(pcm->sync_ptr);
pcm->sync_ptr = NULL;
} else {
}
else
{
int page_size = sysconf(_SC_PAGE_SIZE);
if (pcm->mmap_status)
munmap(pcm->mmap_status, page_size);
@ -1004,11 +1397,14 @@ static int pcm_writei(struct pcm *pcm, const void *data, unsigned int frame_coun
if (frame_count > INT_MAX)
return -EINVAL;
x.buf = (void*)data;
x.buf = (void*)data;
x.frames = frame_count;
x.result = 0;
for (;;) {
if (!pcm->running) {
for (;;)
{
if (!pcm->running)
{
int prepare_error = pcm_prepare(pcm);
if (prepare_error)
return prepare_error;
@ -1017,10 +1413,12 @@ static int pcm_writei(struct pcm *pcm, const void *data, unsigned int frame_coun
pcm->running = 1;
return 0;
}
if (ioctl(pcm->fd, SNDRV_PCM_IOCTL_WRITEI_FRAMES, &x)) {
if (ioctl(pcm->fd, SNDRV_PCM_IOCTL_WRITEI_FRAMES, &x))
{
pcm->prepared = 0;
pcm->running = 0;
if (errno == EPIPE) {
if (errno == EPIPE)
{
/* we failed to make our window -- try to restart if we are
* allowed to do so. Otherwise, simply allow the EPIPE error to
* propagate up to the app level */
@ -1086,16 +1484,19 @@ static int pcm_readi(struct pcm *pcm, void *data, unsigned int frame_count)
if (frame_count > INT_MAX)
return -EINVAL;
x.buf = data;
x.buf = data;
x.frames = frame_count;
x.result = 0;
for (;;) {
for (;;)
{
if ((!pcm->running) && (pcm_start(pcm) < 0))
return -errno;
else if (ioctl(pcm->fd, SNDRV_PCM_IOCTL_READI_FRAMES, &x)) {
else if (ioctl(pcm->fd, SNDRV_PCM_IOCTL_READI_FRAMES, &x))
{
pcm->prepared = 0;
pcm->running = 0;
if (errno == EPIPE) {
pcm->running = 0;
if (errno == EPIPE)
{
/* we failed to make our window -- try to restart */
pcm->underruns++;
continue;
@ -1169,7 +1570,8 @@ static struct pcm_params *pcm_params_get(unsigned int card, unsigned int device,
flags & PCM_IN ? 'c' : 'p');
fd = open(fn, O_RDWR);
if (fd < 0) {
if (fd < 0)
{
fprintf(stderr, "cannot open device '%s'\n", fn);
goto err_open;
}
@ -1179,7 +1581,8 @@ static struct pcm_params *pcm_params_get(unsigned int card, unsigned int device,
goto err_calloc;
param_init(params);
if (ioctl(fd, SNDRV_PCM_IOCTL_HW_REFINE, params)) {
if (ioctl(fd, SNDRV_PCM_IOCTL_HW_REFINE, params))
{
fprintf(stderr, "SNDRV_PCM_IOCTL_HW_REFINE error (%d)\n", errno);
goto err_hw_refine;
}
@ -1398,13 +1801,15 @@ static struct pcm *pcm_open(unsigned int card, unsigned int device,
flags & PCM_IN ? 'c' : 'p');
pcm->flags = flags;
pcm->fd = open(fn, O_RDWR);
if (pcm->fd < 0) {
pcm->fd = open(fn, O_RDWR);
if (pcm->fd < 0)
{
oops(pcm, errno, "cannot open device '%s'", fn);
return pcm;
}
if (ioctl(pcm->fd, SNDRV_PCM_IOCTL_INFO, &info)) {
if (ioctl(pcm->fd, SNDRV_PCM_IOCTL_INFO, &info))
{
oops(pcm, errno, "cannot get info");
goto fail_close;
}
@ -1420,10 +1825,12 @@ static struct pcm *pcm_open(unsigned int card, unsigned int device,
}
#ifdef SNDRV_PCM_IOCTL_TTSTAMP
if (pcm->flags & PCM_MONOTONIC) {
if (pcm->flags & PCM_MONOTONIC)
{
int arg = SNDRV_PCM_TSTAMP_TYPE_MONOTONIC;
rc = ioctl(pcm->fd, SNDRV_PCM_IOCTL_TTSTAMP, &arg);
if (rc < 0) {
rc = ioctl(pcm->fd, SNDRV_PCM_IOCTL_TTSTAMP, &arg);
if (rc < 0)
{
oops(pcm, rc, "cannot set timestamp type");
goto fail;
}
@ -1540,7 +1947,8 @@ static int pcm_wait(struct pcm *pcm, int timeout)
pfd.fd = pcm->fd;
pfd.events = POLLIN | POLLOUT | POLLERR | POLLNVAL;
do {
do
{
/* let's wait for avail or timeout */
err = poll(&pfd, 1, timeout);
if (err < 0)
@ -1555,8 +1963,10 @@ static int pcm_wait(struct pcm *pcm, int timeout)
continue;
/* check for any errors */
if (pfd.revents & (POLLERR | POLLNVAL)) {
switch (pcm_state(pcm)) {
if (pfd.revents & (POLLERR | POLLNVAL))
{
switch (pcm_state(pcm))
{
case PCM_STATE_XRUN:
return -EPIPE;
case PCM_STATE_SUSPENDED:
@ -1564,8 +1974,10 @@ static int pcm_wait(struct pcm *pcm, int timeout)
case PCM_STATE_DISCONNECTED:
return -ENODEV;
default:
return -EIO;
break;
}
return -EIO;
}
/* poll again if fd not ready for IO */
} while (!(pfd.revents & (POLLIN | POLLOUT)));
@ -1586,19 +1998,22 @@ static int pcm_mmap_transfer(struct pcm *pcm, const void *buffer, unsigned int b
count = pcm_bytes_to_frames(pcm, bytes);
while (count > 0) {
while (count > 0)
{
/* get the available space for writing new frames */
avail = pcm_avail_update(pcm);
if (avail < 0) {
if (avail < 0)
{
fprintf(stderr, "cannot determine available mmap frames");
return err;
}
/* start the audio if we reach the threshold */
if (!pcm->running &&
(pcm->buffer_size - avail) >= pcm->config.start_threshold) {
if (pcm_start(pcm) < 0) {
(pcm->buffer_size - avail) >= pcm->config.start_threshold)
{
if (pcm_start(pcm) < 0)
{
fprintf(stderr, "start error: hw 0x%x app 0x%x avail 0x%x\n",
(unsigned int)pcm->mmap_status->hw_ptr,
(unsigned int)pcm->mmap_control->appl_ptr,
@ -1609,7 +2024,8 @@ static int pcm_mmap_transfer(struct pcm *pcm, const void *buffer, unsigned int b
/* sleep until we have space to write new frames */
if (pcm->running &&
(unsigned int)avail < pcm->mmap_control->avail_min) {
(unsigned int)avail < pcm->mmap_control->avail_min)
{
int time = -1;
if (pcm->flags & PCM_NOIRQ)
@ -1617,7 +2033,8 @@ static int pcm_mmap_transfer(struct pcm *pcm, const void *buffer, unsigned int b
/ pcm->noirq_frames_per_msec;
err = pcm_wait(pcm, time);
if (err < 0) {
if (err < 0)
{
pcm->prepared = 0;
pcm->running = 0;
fprintf(stderr, "wait error: hw 0x%x app 0x%x avail 0x%x\n",
@ -1639,7 +2056,8 @@ static int pcm_mmap_transfer(struct pcm *pcm, const void *buffer, unsigned int b
/* copy frames from buffer */
frames = pcm_mmap_transfer_areas(pcm, (void *)buffer, offset, frames);
if (frames < 0) {
if (frames < 0)
{
fprintf(stderr, "write error: hw 0x%x app 0x%x avail 0x%x\n",
(unsigned int)pcm->mmap_status->hw_ptr,
(unsigned int)pcm->mmap_control->appl_ptr,
@ -1896,33 +2314,30 @@ tinyalsa_start(void *data, bool is_shutdown)
return true;
}
static void
tinyalsa_set_nonblock_state(void *data, bool state)
static void tinyalsa_set_nonblock_state(void *data, bool state)
{
tinyalsa_t *tinyalsa = (tinyalsa_t*)data;
tinyalsa->nonblock = state;
}
static bool
tinyalsa_use_float(void *data)
static bool tinyalsa_use_float(void *data)
{
tinyalsa_t *tinyalsa = (tinyalsa_t*)data;
return tinyalsa->has_float;
}
static void
tinyalsa_free(void *data)
static void tinyalsa_free(void *data)
{
tinyalsa_t *tinyalsa = (tinyalsa_t*)data;
tinyalsa_t *tinyalsa = (tinyalsa_t*)data;
if (tinyalsa)
if (tinyalsa)
{
if (tinyalsa->pcm)
pcm_close(tinyalsa->pcm);
if (tinyalsa->pcm)
pcm_close(tinyalsa->pcm);
tinyalsa->pcm = NULL;
free(tinyalsa);
}
free(tinyalsa);
}
}
static size_t tinyalsa_write_avail(void *data)

1
pkg/android/phoenix/jni/Android.mk
View File

@ -77,6 +77,7 @@ endif
DEFINES += -DHAVE_7ZIP
DEFINES += -DHAVE_CHEEVOS
DEFINES += -DHAVE_SL
DEFINES += -DHAVE_TINYALSA
LOCAL_CFLAGS += -Wall -std=gnu99 -pthread -Wno-unused-function -fno-stack-protector -funroll-loops $(DEFINES)
LOCAL_CPPFLAGS := -fexceptions -fpermissive -std=gnu++11 -fno-rtti -Wno-reorder $(DEFINES)