Relocate SDK toolchain

Change-Id: I4aa13a365108300e29cf3de3e5c463c3b13e10a8

1 files changed, 1113 insertions, 0 deletions

diff --git a/sysroot/usr/include/alsa/pcm.h b/sysroot/usr/include/alsa/pcm.h
new file mode 100644
index 0000000..db9fca3
--- /dev/null
+++ b/sysroot/usr/include/alsa/pcm.h
@@ -0,0 +1,1113 @@
+/**
+ * \file include/pcm.h
+ * \brief Application interface library for the ALSA driver
+ * \author Jaroslav Kysela <perex@perex.cz>
+ * \author Abramo Bagnara <abramo@alsa-project.org>
+ * \author Takashi Iwai <tiwai@suse.de>
+ * \date 1998-2001
+ *
+ * Application interface library for the ALSA driver.
+ * See the \ref pcm page for more details.
+ */
+/*
+ *   This library is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU Lesser General Public License as
+ *   published by the Free Software Foundation; either version 2.1 of
+ *   the License, or (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU Lesser General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Lesser General Public
+ *   License along with this library; if not, write to the Free Software
+ *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ *
+ */
+
+#ifndef __ALSA_PCM_H
+#define __ALSA_PCM_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ *  \defgroup PCM PCM Interface
+ *  See the \ref pcm page for more details.
+ *  \{
+ */
+
+/** dlsym version for interface entry callback */
+#define SND_PCM_DLSYM_VERSION		_dlsym_pcm_001
+
+/** PCM generic info container */
+typedef struct _snd_pcm_info snd_pcm_info_t;
+/** PCM hardware configuration space container */
+typedef struct _snd_pcm_hw_params snd_pcm_hw_params_t;
+/** PCM software configuration container */
+typedef struct _snd_pcm_sw_params snd_pcm_sw_params_t;
+/** PCM status container */
+ typedef struct _snd_pcm_status snd_pcm_status_t;
+/** PCM access types mask */
+typedef struct _snd_pcm_access_mask snd_pcm_access_mask_t;
+/** PCM formats mask */
+typedef struct _snd_pcm_format_mask snd_pcm_format_mask_t;
+/** PCM subformats mask */
+typedef struct _snd_pcm_subformat_mask snd_pcm_subformat_mask_t;
+
+/** PCM class */
+typedef enum _snd_pcm_class {
+	/** standard device */
+
+	SND_PCM_CLASS_GENERIC = 0,
+	/** multichannel device */
+	SND_PCM_CLASS_MULTI,
+	/** software modem device */
+	SND_PCM_CLASS_MODEM,
+	/** digitizer device */
+	SND_PCM_CLASS_DIGITIZER,
+	SND_PCM_CLASS_LAST = SND_PCM_CLASS_DIGITIZER
+} snd_pcm_class_t;
+
+/** PCM subclass */
+typedef enum _snd_pcm_subclass {
+	/** subdevices are mixed together */
+	SND_PCM_SUBCLASS_GENERIC_MIX = 0,
+	/** multichannel subdevices are mixed together */
+	SND_PCM_SUBCLASS_MULTI_MIX,
+	SND_PCM_SUBCLASS_LAST = SND_PCM_SUBCLASS_MULTI_MIX
+} snd_pcm_subclass_t;
+
+/** PCM stream (direction) */
+typedef enum _snd_pcm_stream {
+	/** Playback stream */
+	SND_PCM_STREAM_PLAYBACK = 0,
+	/** Capture stream */
+	SND_PCM_STREAM_CAPTURE,
+	SND_PCM_STREAM_LAST = SND_PCM_STREAM_CAPTURE
+} snd_pcm_stream_t;
+
+/** PCM access type */
+typedef enum _snd_pcm_access {
+	/** mmap access with simple interleaved channels */
+	SND_PCM_ACCESS_MMAP_INTERLEAVED = 0,
+	/** mmap access with simple non interleaved channels */
+	SND_PCM_ACCESS_MMAP_NONINTERLEAVED,
+	/** mmap access with complex placement */
+	SND_PCM_ACCESS_MMAP_COMPLEX,
+	/** snd_pcm_readi/snd_pcm_writei access */
+	SND_PCM_ACCESS_RW_INTERLEAVED,
+	/** snd_pcm_readn/snd_pcm_writen access */
+	SND_PCM_ACCESS_RW_NONINTERLEAVED,
+	SND_PCM_ACCESS_LAST = SND_PCM_ACCESS_RW_NONINTERLEAVED
+} snd_pcm_access_t;
+
+/** PCM sample format */
+typedef enum _snd_pcm_format {
+	/** Unknown */
+	SND_PCM_FORMAT_UNKNOWN = -1,
+	/** Signed 8 bit */
+	SND_PCM_FORMAT_S8 = 0,
+	/** Unsigned 8 bit */
+	SND_PCM_FORMAT_U8,
+	/** Signed 16 bit Little Endian */
+	SND_PCM_FORMAT_S16_LE,
+	/** Signed 16 bit Big Endian */
+	SND_PCM_FORMAT_S16_BE,
+	/** Unsigned 16 bit Little Endian */
+	SND_PCM_FORMAT_U16_LE,
+	/** Unsigned 16 bit Big Endian */
+	SND_PCM_FORMAT_U16_BE,
+	/** Signed 24 bit Little Endian using low three bytes in 32-bit word */
+	SND_PCM_FORMAT_S24_LE,
+	/** Signed 24 bit Big Endian using low three bytes in 32-bit word */
+	SND_PCM_FORMAT_S24_BE,
+	/** Unsigned 24 bit Little Endian using low three bytes in 32-bit word */
+	SND_PCM_FORMAT_U24_LE,
+	/** Unsigned 24 bit Big Endian using low three bytes in 32-bit word */
+	SND_PCM_FORMAT_U24_BE,
+	/** Signed 32 bit Little Endian */
+	SND_PCM_FORMAT_S32_LE,
+	/** Signed 32 bit Big Endian */
+	SND_PCM_FORMAT_S32_BE,
+	/** Unsigned 32 bit Little Endian */
+	SND_PCM_FORMAT_U32_LE,
+	/** Unsigned 32 bit Big Endian */
+	SND_PCM_FORMAT_U32_BE,
+	/** Float 32 bit Little Endian, Range -1.0 to 1.0 */
+	SND_PCM_FORMAT_FLOAT_LE,
+	/** Float 32 bit Big Endian, Range -1.0 to 1.0 */
+	SND_PCM_FORMAT_FLOAT_BE,
+	/** Float 64 bit Little Endian, Range -1.0 to 1.0 */
+	SND_PCM_FORMAT_FLOAT64_LE,
+	/** Float 64 bit Big Endian, Range -1.0 to 1.0 */
+	SND_PCM_FORMAT_FLOAT64_BE,
+	/** IEC-958 Little Endian */
+	SND_PCM_FORMAT_IEC958_SUBFRAME_LE,
+	/** IEC-958 Big Endian */
+	SND_PCM_FORMAT_IEC958_SUBFRAME_BE,
+	/** Mu-Law */
+	SND_PCM_FORMAT_MU_LAW,
+	/** A-Law */
+	SND_PCM_FORMAT_A_LAW,
+	/** Ima-ADPCM */
+	SND_PCM_FORMAT_IMA_ADPCM,
+	/** MPEG */
+	SND_PCM_FORMAT_MPEG,
+	/** GSM */
+	SND_PCM_FORMAT_GSM,
+	/** Special */
+	SND_PCM_FORMAT_SPECIAL = 31,
+	/** Signed 24bit Little Endian in 3bytes format */
+	SND_PCM_FORMAT_S24_3LE = 32,
+	/** Signed 24bit Big Endian in 3bytes format */
+	SND_PCM_FORMAT_S24_3BE,
+	/** Unsigned 24bit Little Endian in 3bytes format */
+	SND_PCM_FORMAT_U24_3LE,
+	/** Unsigned 24bit Big Endian in 3bytes format */
+	SND_PCM_FORMAT_U24_3BE,
+	/** Signed 20bit Little Endian in 3bytes format */
+	SND_PCM_FORMAT_S20_3LE,
+	/** Signed 20bit Big Endian in 3bytes format */
+	SND_PCM_FORMAT_S20_3BE,
+	/** Unsigned 20bit Little Endian in 3bytes format */
+	SND_PCM_FORMAT_U20_3LE,
+	/** Unsigned 20bit Big Endian in 3bytes format */
+	SND_PCM_FORMAT_U20_3BE,
+	/** Signed 18bit Little Endian in 3bytes format */
+	SND_PCM_FORMAT_S18_3LE,
+	/** Signed 18bit Big Endian in 3bytes format */
+	SND_PCM_FORMAT_S18_3BE,
+	/** Unsigned 18bit Little Endian in 3bytes format */
+	SND_PCM_FORMAT_U18_3LE,
+	/** Unsigned 18bit Big Endian in 3bytes format */
+	SND_PCM_FORMAT_U18_3BE,
+	SND_PCM_FORMAT_LAST = SND_PCM_FORMAT_U18_3BE,
+
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+	/** Signed 16 bit CPU endian */
+	SND_PCM_FORMAT_S16 = SND_PCM_FORMAT_S16_LE,
+	/** Unsigned 16 bit CPU endian */
+	SND_PCM_FORMAT_U16 = SND_PCM_FORMAT_U16_LE,
+	/** Signed 24 bit CPU endian */
+	SND_PCM_FORMAT_S24 = SND_PCM_FORMAT_S24_LE,
+	/** Unsigned 24 bit CPU endian */
+	SND_PCM_FORMAT_U24 = SND_PCM_FORMAT_U24_LE,
+	/** Signed 32 bit CPU endian */
+	SND_PCM_FORMAT_S32 = SND_PCM_FORMAT_S32_LE,
+	/** Unsigned 32 bit CPU endian */
+	SND_PCM_FORMAT_U32 = SND_PCM_FORMAT_U32_LE,
+	/** Float 32 bit CPU endian */
+	SND_PCM_FORMAT_FLOAT = SND_PCM_FORMAT_FLOAT_LE,
+	/** Float 64 bit CPU endian */
+	SND_PCM_FORMAT_FLOAT64 = SND_PCM_FORMAT_FLOAT64_LE,
+	/** IEC-958 CPU Endian */
+	SND_PCM_FORMAT_IEC958_SUBFRAME = SND_PCM_FORMAT_IEC958_SUBFRAME_LE
+#elif __BYTE_ORDER == __BIG_ENDIAN
+	/** Signed 16 bit CPU endian */
+	SND_PCM_FORMAT_S16 = SND_PCM_FORMAT_S16_BE,
+	/** Unsigned 16 bit CPU endian */
+	SND_PCM_FORMAT_U16 = SND_PCM_FORMAT_U16_BE,
+	/** Signed 24 bit CPU endian */
+	SND_PCM_FORMAT_S24 = SND_PCM_FORMAT_S24_BE,
+	/** Unsigned 24 bit CPU endian */
+	SND_PCM_FORMAT_U24 = SND_PCM_FORMAT_U24_BE,
+	/** Signed 32 bit CPU endian */
+	SND_PCM_FORMAT_S32 = SND_PCM_FORMAT_S32_BE,
+	/** Unsigned 32 bit CPU endian */
+	SND_PCM_FORMAT_U32 = SND_PCM_FORMAT_U32_BE,
+	/** Float 32 bit CPU endian */
+	SND_PCM_FORMAT_FLOAT = SND_PCM_FORMAT_FLOAT_BE,
+	/** Float 64 bit CPU endian */
+	SND_PCM_FORMAT_FLOAT64 = SND_PCM_FORMAT_FLOAT64_BE,
+	/** IEC-958 CPU Endian */
+	SND_PCM_FORMAT_IEC958_SUBFRAME = SND_PCM_FORMAT_IEC958_SUBFRAME_BE
+#else
+#error "Unknown endian"
+#endif
+} snd_pcm_format_t;
+
+/** PCM sample subformat */
+typedef enum _snd_pcm_subformat {
+	/** Standard */
+	SND_PCM_SUBFORMAT_STD = 0,
+	SND_PCM_SUBFORMAT_LAST = SND_PCM_SUBFORMAT_STD
+} snd_pcm_subformat_t;
+
+/** PCM state */
+typedef enum _snd_pcm_state {
+	/** Open */
+	SND_PCM_STATE_OPEN = 0,
+	/** Setup installed */ 
+	SND_PCM_STATE_SETUP,
+	/** Ready to start */
+	SND_PCM_STATE_PREPARED,
+	/** Running */
+	SND_PCM_STATE_RUNNING,
+	/** Stopped: underrun (playback) or overrun (capture) detected */
+	SND_PCM_STATE_XRUN,
+	/** Draining: running (playback) or stopped (capture) */
+	SND_PCM_STATE_DRAINING,
+	/** Paused */
+	SND_PCM_STATE_PAUSED,
+	/** Hardware is suspended */
+	SND_PCM_STATE_SUSPENDED,
+	/** Hardware is disconnected */
+	SND_PCM_STATE_DISCONNECTED,
+	SND_PCM_STATE_LAST = SND_PCM_STATE_DISCONNECTED
+} snd_pcm_state_t;
+
+/** PCM start mode */
+typedef enum _snd_pcm_start {
+	/** Automatic start on data read/write */
+	SND_PCM_START_DATA = 0,
+	/** Explicit start */
+	SND_PCM_START_EXPLICIT,
+	SND_PCM_START_LAST = SND_PCM_START_EXPLICIT
+} snd_pcm_start_t;
+
+/** PCM xrun mode */
+typedef enum _snd_pcm_xrun {
+	/** Xrun detection disabled */
+	SND_PCM_XRUN_NONE = 0,
+	/** Stop on xrun detection */
+	SND_PCM_XRUN_STOP,
+	SND_PCM_XRUN_LAST = SND_PCM_XRUN_STOP
+} snd_pcm_xrun_t;
+
+/** PCM timestamp mode */
+typedef enum _snd_pcm_tstamp {
+	/** No timestamp */
+	SND_PCM_TSTAMP_NONE = 0,
+	/** Update mmap'ed timestamp */
+	SND_PCM_TSTAMP_MMAP,
+	SND_PCM_TSTAMP_LAST = SND_PCM_TSTAMP_MMAP
+} snd_pcm_tstamp_t;
+
+/** Unsigned frames quantity */
+typedef unsigned long snd_pcm_uframes_t;
+/** Signed frames quantity */
+typedef long snd_pcm_sframes_t;
+
+/** Non blocking mode (flag for open mode) \hideinitializer */
+#define SND_PCM_NONBLOCK		0x0001
+/** Async notification (flag for open mode) \hideinitializer */
+#define SND_PCM_ASYNC			0x0002
+
+/** PCM handle */
+typedef struct _snd_pcm snd_pcm_t;
+
+/** PCM type */
+enum _snd_pcm_type {
+	/** Kernel level PCM */
+	SND_PCM_TYPE_HW = 0,
+	/** Hooked PCM */
+	SND_PCM_TYPE_HOOKS,
+	/** One or more linked PCM with exclusive access to selected
+	    channels */
+	SND_PCM_TYPE_MULTI,
+	/** File writing plugin */
+	SND_PCM_TYPE_FILE,
+	/** Null endpoint PCM */
+	SND_PCM_TYPE_NULL,
+	/** Shared memory client PCM */
+	SND_PCM_TYPE_SHM,
+	/** INET client PCM (not yet implemented) */
+	SND_PCM_TYPE_INET,
+	/** Copying plugin */
+	SND_PCM_TYPE_COPY,
+	/** Linear format conversion PCM */
+	SND_PCM_TYPE_LINEAR,
+	/** A-Law format conversion PCM */
+	SND_PCM_TYPE_ALAW,
+	/** Mu-Law format conversion PCM */
+	SND_PCM_TYPE_MULAW,
+	/** IMA-ADPCM format conversion PCM */
+	SND_PCM_TYPE_ADPCM,
+	/** Rate conversion PCM */
+	SND_PCM_TYPE_RATE,
+	/** Attenuated static route PCM */
+	SND_PCM_TYPE_ROUTE,
+	/** Format adjusted PCM */
+	SND_PCM_TYPE_PLUG,
+	/** Sharing PCM */
+	SND_PCM_TYPE_SHARE,
+	/** Meter plugin */
+	SND_PCM_TYPE_METER,
+	/** Mixing PCM */
+	SND_PCM_TYPE_MIX,
+	/** Attenuated dynamic route PCM (not yet implemented) */
+	SND_PCM_TYPE_DROUTE,
+	/** Loopback server plugin (not yet implemented) */
+	SND_PCM_TYPE_LBSERVER,
+	/** Linear Integer <-> Linear Float format conversion PCM */
+	SND_PCM_TYPE_LINEAR_FLOAT,
+	/** LADSPA integration plugin */
+	SND_PCM_TYPE_LADSPA,
+	/** Direct Mixing plugin */
+	SND_PCM_TYPE_DMIX,
+	/** Jack Audio Connection Kit plugin */
+	SND_PCM_TYPE_JACK,
+	/** Direct Snooping plugin */
+	SND_PCM_TYPE_DSNOOP,
+	/** Direct Sharing plugin */
+	SND_PCM_TYPE_DSHARE,
+	/** IEC958 subframe plugin */
+	SND_PCM_TYPE_IEC958,
+	/** Soft volume plugin */
+	SND_PCM_TYPE_SOFTVOL,
+	/** External I/O plugin */
+	SND_PCM_TYPE_IOPLUG,
+	/** External filter plugin */
+	SND_PCM_TYPE_EXTPLUG,
+	/** Mmap-emulation plugin */
+	SND_PCM_TYPE_MMAP_EMUL,
+	SND_PCM_TYPE_LAST = SND_PCM_TYPE_MMAP_EMUL
+};
+
+/** PCM type */
+typedef enum _snd_pcm_type snd_pcm_type_t;
+
+/** PCM area specification */
+typedef struct _snd_pcm_channel_area {
+	/** base address of channel samples */
+	void *addr;
+	/** offset to first sample in bits */
+	unsigned int first;
+	/** samples distance in bits */
+	unsigned int step;
+} snd_pcm_channel_area_t;
+
+/** PCM synchronization ID */
+typedef union _snd_pcm_sync_id {
+	/** 8-bit ID */
+	unsigned char id[16];
+	/** 16-bit ID */
+	unsigned short id16[8];
+	/** 32-bit ID */
+	unsigned int id32[4];
+} snd_pcm_sync_id_t;
+
+/** #SND_PCM_TYPE_METER scope handle */
+typedef struct _snd_pcm_scope snd_pcm_scope_t;
+
+int snd_pcm_open(snd_pcm_t **pcm, const char *name, 
+		 snd_pcm_stream_t stream, int mode);
+int snd_pcm_open_lconf(snd_pcm_t **pcm, const char *name, 
+		       snd_pcm_stream_t stream, int mode,
+		       snd_config_t *lconf);
+
+int snd_pcm_close(snd_pcm_t *pcm);
+const char *snd_pcm_name(snd_pcm_t *pcm);
+snd_pcm_type_t snd_pcm_type(snd_pcm_t *pcm);
+snd_pcm_stream_t snd_pcm_stream(snd_pcm_t *pcm);
+int snd_pcm_poll_descriptors_count(snd_pcm_t *pcm);
+int snd_pcm_poll_descriptors(snd_pcm_t *pcm, struct pollfd *pfds, unsigned int space);
+int snd_pcm_poll_descriptors_revents(snd_pcm_t *pcm, struct pollfd *pfds, unsigned int nfds, unsigned short *revents);
+int snd_pcm_nonblock(snd_pcm_t *pcm, int nonblock);
+int snd_async_add_pcm_handler(snd_async_handler_t **handler, snd_pcm_t *pcm, 
+			      snd_async_callback_t callback, void *private_data);
+snd_pcm_t *snd_async_handler_get_pcm(snd_async_handler_t *handler);
+int snd_pcm_info(snd_pcm_t *pcm, snd_pcm_info_t *info);
+int snd_pcm_hw_params_current(snd_pcm_t *pcm, snd_pcm_hw_params_t *params);
+int snd_pcm_hw_params(snd_pcm_t *pcm, snd_pcm_hw_params_t *params);
+int snd_pcm_hw_free(snd_pcm_t *pcm);
+int snd_pcm_sw_params_current(snd_pcm_t *pcm, snd_pcm_sw_params_t *params);
+int snd_pcm_sw_params(snd_pcm_t *pcm, snd_pcm_sw_params_t *params);
+int snd_pcm_prepare(snd_pcm_t *pcm);
+int snd_pcm_reset(snd_pcm_t *pcm);
+int snd_pcm_status(snd_pcm_t *pcm, snd_pcm_status_t *status);
+int snd_pcm_start(snd_pcm_t *pcm);
+int snd_pcm_drop(snd_pcm_t *pcm);
+int snd_pcm_drain(snd_pcm_t *pcm);
+int snd_pcm_pause(snd_pcm_t *pcm, int enable);
+snd_pcm_state_t snd_pcm_state(snd_pcm_t *pcm);
+int snd_pcm_hwsync(snd_pcm_t *pcm);
+int snd_pcm_delay(snd_pcm_t *pcm, snd_pcm_sframes_t *delayp);
+int snd_pcm_resume(snd_pcm_t *pcm);
+snd_pcm_sframes_t snd_pcm_avail_update(snd_pcm_t *pcm);
+snd_pcm_sframes_t snd_pcm_rewind(snd_pcm_t *pcm, snd_pcm_uframes_t frames);
+snd_pcm_sframes_t snd_pcm_forward(snd_pcm_t *pcm, snd_pcm_uframes_t frames);
+snd_pcm_sframes_t snd_pcm_writei(snd_pcm_t *pcm, const void *buffer, snd_pcm_uframes_t size);
+snd_pcm_sframes_t snd_pcm_readi(snd_pcm_t *pcm, void *buffer, snd_pcm_uframes_t size);
+snd_pcm_sframes_t snd_pcm_writen(snd_pcm_t *pcm, void **bufs, snd_pcm_uframes_t size);
+snd_pcm_sframes_t snd_pcm_readn(snd_pcm_t *pcm, void **bufs, snd_pcm_uframes_t size);
+int snd_pcm_wait(snd_pcm_t *pcm, int timeout);
+
+int snd_pcm_link(snd_pcm_t *pcm1, snd_pcm_t *pcm2);
+int snd_pcm_unlink(snd_pcm_t *pcm);
+
+/*
+ * application helpers - these functions are implemented on top
+ * of the basic API
+ */
+
+int snd_pcm_recover(snd_pcm_t *pcm, int err, int silent);
+int snd_pcm_set_params(snd_pcm_t *pcm,
+                       snd_pcm_format_t format,
+                       snd_pcm_access_t access,
+                       unsigned int channels,
+                       unsigned int rate,
+                       int soft_resample,
+                       unsigned int latency);
+int snd_pcm_get_params(snd_pcm_t *pcm,
+                       snd_pcm_uframes_t *buffer_size,
+                       snd_pcm_uframes_t *period_size);
+
+/** \} */
+
+/**
+ * \defgroup PCM_Info Stream Information
+ * \ingroup PCM
+ * See the \ref pcm page for more details.
+ * \{
+ */
+
+size_t snd_pcm_info_sizeof(void);
+/** \hideinitializer
+ * \brief allocate an invalid #snd_pcm_info_t using standard alloca
+ * \param ptr returned pointer
+ */
+#define snd_pcm_info_alloca(ptr) do { assert(ptr); *ptr = (snd_pcm_info_t *) alloca(snd_pcm_info_sizeof()); memset(*ptr, 0, snd_pcm_info_sizeof()); } while (0)
+int snd_pcm_info_malloc(snd_pcm_info_t **ptr);
+void snd_pcm_info_free(snd_pcm_info_t *obj);
+void snd_pcm_info_copy(snd_pcm_info_t *dst, const snd_pcm_info_t *src);
+unsigned int snd_pcm_info_get_device(const snd_pcm_info_t *obj);
+unsigned int snd_pcm_info_get_subdevice(const snd_pcm_info_t *obj);
+snd_pcm_stream_t snd_pcm_info_get_stream(const snd_pcm_info_t *obj);
+int snd_pcm_info_get_card(const snd_pcm_info_t *obj);
+const char *snd_pcm_info_get_id(const snd_pcm_info_t *obj);
+const char *snd_pcm_info_get_name(const snd_pcm_info_t *obj);
+const char *snd_pcm_info_get_subdevice_name(const snd_pcm_info_t *obj);
+snd_pcm_class_t snd_pcm_info_get_class(const snd_pcm_info_t *obj);
+snd_pcm_subclass_t snd_pcm_info_get_subclass(const snd_pcm_info_t *obj);
+unsigned int snd_pcm_info_get_subdevices_count(const snd_pcm_info_t *obj);
+unsigned int snd_pcm_info_get_subdevices_avail(const snd_pcm_info_t *obj);
+snd_pcm_sync_id_t snd_pcm_info_get_sync(const snd_pcm_info_t *obj);
+void snd_pcm_info_set_device(snd_pcm_info_t *obj, unsigned int val);
+void snd_pcm_info_set_subdevice(snd_pcm_info_t *obj, unsigned int val);
+void snd_pcm_info_set_stream(snd_pcm_info_t *obj, snd_pcm_stream_t val);
+
+/** \} */
+
+/**
+ * \defgroup PCM_HW_Params Hardware Parameters
+ * \ingroup PCM
+ * See the \ref pcm page for more details.
+ * \{
+ */
+
+int snd_pcm_hw_params_any(snd_pcm_t *pcm, snd_pcm_hw_params_t *params);
+
+int snd_pcm_hw_params_can_mmap_sample_resolution(const snd_pcm_hw_params_t *params);
+int snd_pcm_hw_params_is_double(const snd_pcm_hw_params_t *params);
+int snd_pcm_hw_params_is_batch(const snd_pcm_hw_params_t *params);
+int snd_pcm_hw_params_is_block_transfer(const snd_pcm_hw_params_t *params);
+int snd_pcm_hw_params_can_overrange(const snd_pcm_hw_params_t *params);
+int snd_pcm_hw_params_can_pause(const snd_pcm_hw_params_t *params);
+int snd_pcm_hw_params_can_resume(const snd_pcm_hw_params_t *params);
+int snd_pcm_hw_params_is_half_duplex(const snd_pcm_hw_params_t *params);
+int snd_pcm_hw_params_is_joint_duplex(const snd_pcm_hw_params_t *params);
+int snd_pcm_hw_params_can_sync_start(const snd_pcm_hw_params_t *params);
+int snd_pcm_hw_params_get_rate_numden(const snd_pcm_hw_params_t *params,
+				      unsigned int *rate_num,
+				      unsigned int *rate_den);
+int snd_pcm_hw_params_get_sbits(const snd_pcm_hw_params_t *params);
+int snd_pcm_hw_params_get_fifo_size(const snd_pcm_hw_params_t *params);
+
+#if 0
+typedef struct _snd_pcm_hw_strategy snd_pcm_hw_strategy_t;
+
+/* choices need to be sorted on ascending badness */
+typedef struct _snd_pcm_hw_strategy_simple_choices_list {
+	unsigned int value;
+	unsigned int badness;
+} snd_pcm_hw_strategy_simple_choices_list_t;
+
+int snd_pcm_hw_params_strategy(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
+			       const snd_pcm_hw_strategy_t *strategy,
+			       unsigned int badness_min,
+			       unsigned int badness_max);
+
+void snd_pcm_hw_strategy_free(snd_pcm_hw_strategy_t *strategy);
+int snd_pcm_hw_strategy_simple(snd_pcm_hw_strategy_t **strategyp,
+			       unsigned int badness_min,
+			       unsigned int badness_max);
+int snd_pcm_hw_params_try_explain_failure(snd_pcm_t *pcm,
+					  snd_pcm_hw_params_t *fail,
+					  snd_pcm_hw_params_t *success,
+					  unsigned int depth,
+					  snd_output_t *out);
+
+#endif
+
+size_t snd_pcm_hw_params_sizeof(void);
+/** \hideinitializer
+ * \brief allocate an invalid #snd_pcm_hw_params_t using standard alloca
+ * \param ptr returned pointer
+ */
+#define snd_pcm_hw_params_alloca(ptr) do { assert(ptr); *ptr = (snd_pcm_hw_params_t *) alloca(snd_pcm_hw_params_sizeof()); memset(*ptr, 0, snd_pcm_hw_params_sizeof()); } while (0)
+int snd_pcm_hw_params_malloc(snd_pcm_hw_params_t **ptr);
+void snd_pcm_hw_params_free(snd_pcm_hw_params_t *obj);
+void snd_pcm_hw_params_copy(snd_pcm_hw_params_t *dst, const snd_pcm_hw_params_t *src);
+
+#if !defined(ALSA_LIBRARY_BUILD) && !defined(ALSA_PCM_OLD_HW_PARAMS_API)
+
+int snd_pcm_hw_params_get_access(const snd_pcm_hw_params_t *params, snd_pcm_access_t *_access);
+int snd_pcm_hw_params_test_access(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_access_t _access);
+int snd_pcm_hw_params_set_access(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_access_t _access);
+int snd_pcm_hw_params_set_access_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_access_t *_access);
+int snd_pcm_hw_params_set_access_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_access_t *_access);
+int snd_pcm_hw_params_set_access_mask(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_access_mask_t *mask);
+int snd_pcm_hw_params_get_access_mask(snd_pcm_hw_params_t *params, snd_pcm_access_mask_t *mask);
+
+int snd_pcm_hw_params_get_format(const snd_pcm_hw_params_t *params, snd_pcm_format_t *val);
+int snd_pcm_hw_params_test_format(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_format_t val);
+int snd_pcm_hw_params_set_format(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_format_t val);
+int snd_pcm_hw_params_set_format_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_format_t *format);
+int snd_pcm_hw_params_set_format_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_format_t *format);
+int snd_pcm_hw_params_set_format_mask(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_format_mask_t *mask);
+void snd_pcm_hw_params_get_format_mask(snd_pcm_hw_params_t *params, snd_pcm_format_mask_t *mask);
+
+int snd_pcm_hw_params_get_subformat(const snd_pcm_hw_params_t *params, snd_pcm_subformat_t *subformat);
+int snd_pcm_hw_params_test_subformat(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_subformat_t subformat);
+int snd_pcm_hw_params_set_subformat(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_subformat_t subformat);
+int snd_pcm_hw_params_set_subformat_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_subformat_t *subformat);
+int snd_pcm_hw_params_set_subformat_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_subformat_t *subformat);
+int snd_pcm_hw_params_set_subformat_mask(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_subformat_mask_t *mask);
+void snd_pcm_hw_params_get_subformat_mask(snd_pcm_hw_params_t *params, snd_pcm_subformat_mask_t *mask);
+
+int snd_pcm_hw_params_get_channels(const snd_pcm_hw_params_t *params, unsigned int *val);
+int snd_pcm_hw_params_get_channels_min(const snd_pcm_hw_params_t *params, unsigned int *val);
+int snd_pcm_hw_params_get_channels_max(const snd_pcm_hw_params_t *params, unsigned int *val);
+int snd_pcm_hw_params_test_channels(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val);
+int snd_pcm_hw_params_set_channels(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val);
+int snd_pcm_hw_params_set_channels_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val);
+int snd_pcm_hw_params_set_channels_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val);
+int snd_pcm_hw_params_set_channels_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *min, unsigned int *max);
+int snd_pcm_hw_params_set_channels_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val);
+int snd_pcm_hw_params_set_channels_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val);
+int snd_pcm_hw_params_set_channels_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val);
+
+int snd_pcm_hw_params_get_rate(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_get_rate_min(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_get_rate_max(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_test_rate(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir);
+int snd_pcm_hw_params_set_rate(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir);
+int snd_pcm_hw_params_set_rate_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_set_rate_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_set_rate_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *min, int *mindir, unsigned int *max, int *maxdir);
+int snd_pcm_hw_params_set_rate_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_set_rate_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_set_rate_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_set_rate_resample(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val);
+int snd_pcm_hw_params_get_rate_resample(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val);
+int snd_pcm_hw_params_set_export_buffer(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val);
+int snd_pcm_hw_params_get_export_buffer(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val);
+
+int snd_pcm_hw_params_get_period_time(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_get_period_time_min(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_get_period_time_max(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_test_period_time(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir);
+int snd_pcm_hw_params_set_period_time(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir);
+int snd_pcm_hw_params_set_period_time_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_set_period_time_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_set_period_time_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *min, int *mindir, unsigned int *max, int *maxdir);
+int snd_pcm_hw_params_set_period_time_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_set_period_time_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_set_period_time_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+
+int snd_pcm_hw_params_get_period_size(const snd_pcm_hw_params_t *params, snd_pcm_uframes_t *frames, int *dir);
+int snd_pcm_hw_params_get_period_size_min(const snd_pcm_hw_params_t *params, snd_pcm_uframes_t *frames, int *dir);
+int snd_pcm_hw_params_get_period_size_max(const snd_pcm_hw_params_t *params, snd_pcm_uframes_t *frames, int *dir);
+int snd_pcm_hw_params_test_period_size(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t val, int dir);
+int snd_pcm_hw_params_set_period_size(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t val, int dir);
+int snd_pcm_hw_params_set_period_size_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val, int *dir);
+int snd_pcm_hw_params_set_period_size_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val, int *dir);
+int snd_pcm_hw_params_set_period_size_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *min, int *mindir, snd_pcm_uframes_t *max, int *maxdir);
+int snd_pcm_hw_params_set_period_size_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val, int *dir);
+int snd_pcm_hw_params_set_period_size_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val, int *dir);
+int snd_pcm_hw_params_set_period_size_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val, int *dir);
+int snd_pcm_hw_params_set_period_size_integer(snd_pcm_t *pcm, snd_pcm_hw_params_t *params);
+
+int snd_pcm_hw_params_get_periods(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_get_periods_min(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_get_periods_max(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_test_periods(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir);
+int snd_pcm_hw_params_set_periods(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir);
+int snd_pcm_hw_params_set_periods_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_set_periods_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_set_periods_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *min, int *mindir, unsigned int *max, int *maxdir);
+int snd_pcm_hw_params_set_periods_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_set_periods_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_set_periods_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_set_periods_integer(snd_pcm_t *pcm, snd_pcm_hw_params_t *params);
+
+int snd_pcm_hw_params_get_buffer_time(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_get_buffer_time_min(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_get_buffer_time_max(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_test_buffer_time(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir);
+int snd_pcm_hw_params_set_buffer_time(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir);
+int snd_pcm_hw_params_set_buffer_time_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_set_buffer_time_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_set_buffer_time_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *min, int *mindir, unsigned int *max, int *maxdir);
+int snd_pcm_hw_params_set_buffer_time_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_set_buffer_time_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_set_buffer_time_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+
+int snd_pcm_hw_params_get_buffer_size(const snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val);
+int snd_pcm_hw_params_get_buffer_size_min(const snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val);
+int snd_pcm_hw_params_get_buffer_size_max(const snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val);
+int snd_pcm_hw_params_test_buffer_size(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t val);
+int snd_pcm_hw_params_set_buffer_size(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t val);
+int snd_pcm_hw_params_set_buffer_size_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val);
+int snd_pcm_hw_params_set_buffer_size_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val);
+int snd_pcm_hw_params_set_buffer_size_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *min, snd_pcm_uframes_t *max);
+int snd_pcm_hw_params_set_buffer_size_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val);
+int snd_pcm_hw_params_set_buffer_size_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val);
+int snd_pcm_hw_params_set_buffer_size_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val);
+
+int snd_pcm_hw_params_get_tick_time(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_get_tick_time_min(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_get_tick_time_max(const snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_test_tick_time(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir);
+int snd_pcm_hw_params_set_tick_time(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir);
+int snd_pcm_hw_params_set_tick_time_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_set_tick_time_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_set_tick_time_minmax(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *min, int *mindir, unsigned int *max, int *maxdir);
+int snd_pcm_hw_params_set_tick_time_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_set_tick_time_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+int snd_pcm_hw_params_set_tick_time_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
+
+#endif /* !ALSA_LIBRARY_BUILD && !ALSA_PCM_OLD_HW_PARAMS_API */
+
+int snd_pcm_hw_params_get_min_align(const snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val);
+
+/** \} */
+
+/**
+ * \defgroup PCM_SW_Params Software Parameters
+ * \ingroup PCM
+ * See the \ref pcm page for more details.
+ * \{
+ */
+
+size_t snd_pcm_sw_params_sizeof(void);
+/** \hideinitializer
+ * \brief allocate an invalid #snd_pcm_sw_params_t using standard alloca
+ * \param ptr returned pointer
+ */
+#define snd_pcm_sw_params_alloca(ptr) do { assert(ptr); *ptr = (snd_pcm_sw_params_t *) alloca(snd_pcm_sw_params_sizeof()); memset(*ptr, 0, snd_pcm_sw_params_sizeof()); } while (0)
+int snd_pcm_sw_params_malloc(snd_pcm_sw_params_t **ptr);
+void snd_pcm_sw_params_free(snd_pcm_sw_params_t *obj);
+void snd_pcm_sw_params_copy(snd_pcm_sw_params_t *dst, const snd_pcm_sw_params_t *src);
+int snd_pcm_sw_params_get_boundary(const snd_pcm_sw_params_t *params, snd_pcm_uframes_t *val);
+
+#if !defined(ALSA_LIBRARY_BUILD) && !defined(ALSA_PCM_OLD_SW_PARAMS_API)
+
+int snd_pcm_sw_params_set_tstamp_mode(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_tstamp_t val);
+int snd_pcm_sw_params_get_tstamp_mode(const snd_pcm_sw_params_t *params, snd_pcm_tstamp_t *val);
+int snd_pcm_sw_params_set_sleep_min(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, unsigned int val);
+int snd_pcm_sw_params_get_sleep_min(const snd_pcm_sw_params_t *params, unsigned int *val);
+int snd_pcm_sw_params_set_avail_min(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_uframes_t val);
+int snd_pcm_sw_params_get_avail_min(const snd_pcm_sw_params_t *params, snd_pcm_uframes_t *val);
+int snd_pcm_sw_params_set_xfer_align(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_uframes_t val);
+int snd_pcm_sw_params_get_xfer_align(const snd_pcm_sw_params_t *params, snd_pcm_uframes_t *val);
+int snd_pcm_sw_params_set_start_threshold(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_uframes_t val);
+int snd_pcm_sw_params_get_start_threshold(const snd_pcm_sw_params_t *paramsm, snd_pcm_uframes_t *val);
+int snd_pcm_sw_params_set_stop_threshold(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_uframes_t val);
+int snd_pcm_sw_params_get_stop_threshold(const snd_pcm_sw_params_t *params, snd_pcm_uframes_t *val);
+int snd_pcm_sw_params_set_silence_threshold(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_uframes_t val);
+int snd_pcm_sw_params_get_silence_threshold(const snd_pcm_sw_params_t *params, snd_pcm_uframes_t *val);
+int snd_pcm_sw_params_set_silence_size(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_uframes_t val);
+int snd_pcm_sw_params_get_silence_size(const snd_pcm_sw_params_t *params, snd_pcm_uframes_t *val);
+
+#endif /* !ALSA_LIBRARY_BUILD && !ALSA_PCM_OLD_SW_PARAMS_API */
+
+/** \} */
+
+/* include old API */
+#ifndef ALSA_LIBRARY_BUILD
+#if defined(ALSA_PCM_OLD_HW_PARAMS_API) || defined(ALSA_PCM_OLD_SW_PARAMS_API)
+#include "pcm_old.h"
+#endif
+#endif
+
+/**
+ * \defgroup PCM_Access Access Mask Functions
+ * \ingroup PCM
+ * See the \ref pcm page for more details.
+ * \{
+ */
+
+size_t snd_pcm_access_mask_sizeof(void);
+/** \hideinitializer
+ * \brief allocate an empty #snd_pcm_access_mask_t using standard alloca
+ * \param ptr returned pointer
+ */
+#define snd_pcm_access_mask_alloca(ptr) do { assert(ptr); *ptr = (snd_pcm_access_mask_t *) alloca(snd_pcm_access_mask_sizeof()); memset(*ptr, 0, snd_pcm_access_mask_sizeof()); } while (0)
+int snd_pcm_access_mask_malloc(snd_pcm_access_mask_t **ptr);
+void snd_pcm_access_mask_free(snd_pcm_access_mask_t *obj);
+void snd_pcm_access_mask_copy(snd_pcm_access_mask_t *dst, const snd_pcm_access_mask_t *src);
+void snd_pcm_access_mask_none(snd_pcm_access_mask_t *mask);
+void snd_pcm_access_mask_any(snd_pcm_access_mask_t *mask);
+int snd_pcm_access_mask_test(const snd_pcm_access_mask_t *mask, snd_pcm_access_t val);
+int snd_pcm_access_mask_empty(const snd_pcm_access_mask_t *mask);
+void snd_pcm_access_mask_set(snd_pcm_access_mask_t *mask, snd_pcm_access_t val);
+void snd_pcm_access_mask_reset(snd_pcm_access_mask_t *mask, snd_pcm_access_t val);
+
+/** \} */
+
+/**
+ * \defgroup PCM_Format Format Mask Functions
+ * \ingroup PCM
+ * See the \ref pcm page for more details.
+ * \{
+ */
+
+size_t snd_pcm_format_mask_sizeof(void);
+/** \hideinitializer
+ * \brief allocate an empty #snd_pcm_format_mask_t using standard alloca
+ * \param ptr returned pointer
+ */
+#define snd_pcm_format_mask_alloca(ptr) do { assert(ptr); *ptr = (snd_pcm_format_mask_t *) alloca(snd_pcm_format_mask_sizeof()); memset(*ptr, 0, snd_pcm_format_mask_sizeof()); } while (0)
+int snd_pcm_format_mask_malloc(snd_pcm_format_mask_t **ptr);
+void snd_pcm_format_mask_free(snd_pcm_format_mask_t *obj);
+void snd_pcm_format_mask_copy(snd_pcm_format_mask_t *dst, const snd_pcm_format_mask_t *src);
+void snd_pcm_format_mask_none(snd_pcm_format_mask_t *mask);
+void snd_pcm_format_mask_any(snd_pcm_format_mask_t *mask);
+int snd_pcm_format_mask_test(const snd_pcm_format_mask_t *mask, snd_pcm_format_t val);
+int snd_pcm_format_mask_empty(const snd_pcm_format_mask_t *mask);
+void snd_pcm_format_mask_set(snd_pcm_format_mask_t *mask, snd_pcm_format_t val);
+void snd_pcm_format_mask_reset(snd_pcm_format_mask_t *mask, snd_pcm_format_t val);
+
+/** \} */
+
+/**
+ * \defgroup PCM_SubFormat Subformat Mask Functions
+ * \ingroup PCM
+ * See the \ref pcm page for more details.
+ * \{
+ */
+
+size_t snd_pcm_subformat_mask_sizeof(void);
+/** \hideinitializer
+ * \brief allocate an empty #snd_pcm_subformat_mask_t using standard alloca
+ * \param ptr returned pointer
+ */
+#define snd_pcm_subformat_mask_alloca(ptr) do { assert(ptr); *ptr = (snd_pcm_subformat_mask_t *) alloca(snd_pcm_subformat_mask_sizeof()); memset(*ptr, 0, snd_pcm_subformat_mask_sizeof()); } while (0)
+int snd_pcm_subformat_mask_malloc(snd_pcm_subformat_mask_t **ptr);
+void snd_pcm_subformat_mask_free(snd_pcm_subformat_mask_t *obj);
+void snd_pcm_subformat_mask_copy(snd_pcm_subformat_mask_t *dst, const snd_pcm_subformat_mask_t *src);
+void snd_pcm_subformat_mask_none(snd_pcm_subformat_mask_t *mask);
+void snd_pcm_subformat_mask_any(snd_pcm_subformat_mask_t *mask);
+int snd_pcm_subformat_mask_test(const snd_pcm_subformat_mask_t *mask, snd_pcm_subformat_t val);
+int snd_pcm_subformat_mask_empty(const snd_pcm_subformat_mask_t *mask);
+void snd_pcm_subformat_mask_set(snd_pcm_subformat_mask_t *mask, snd_pcm_subformat_t val);
+void snd_pcm_subformat_mask_reset(snd_pcm_subformat_mask_t *mask, snd_pcm_subformat_t val);
+
+/** \} */
+
+/**
+ * \defgroup PCM_Status Status Functions
+ * \ingroup PCM
+ * See the \ref pcm page for more details.
+ * \{
+ */
+
+size_t snd_pcm_status_sizeof(void);
+/** \hideinitializer
+ * \brief allocate an invalid #snd_pcm_status_t using standard alloca
+ * \param ptr returned pointer
+ */
+#define snd_pcm_status_alloca(ptr) do { assert(ptr); *ptr = (snd_pcm_status_t *) alloca(snd_pcm_status_sizeof()); memset(*ptr, 0, snd_pcm_status_sizeof()); } while (0)
+int snd_pcm_status_malloc(snd_pcm_status_t **ptr);
+void snd_pcm_status_free(snd_pcm_status_t *obj);
+void snd_pcm_status_copy(snd_pcm_status_t *dst, const snd_pcm_status_t *src);
+snd_pcm_state_t snd_pcm_status_get_state(const snd_pcm_status_t *obj);
+void snd_pcm_status_get_trigger_tstamp(const snd_pcm_status_t *obj, snd_timestamp_t *ptr);
+void snd_pcm_status_get_trigger_htstamp(const snd_pcm_status_t *obj, snd_htimestamp_t *ptr);
+void snd_pcm_status_get_tstamp(const snd_pcm_status_t *obj, snd_timestamp_t *ptr);
+void snd_pcm_status_get_htstamp(const snd_pcm_status_t *obj, snd_htimestamp_t *ptr);
+snd_pcm_sframes_t snd_pcm_status_get_delay(const snd_pcm_status_t *obj);
+snd_pcm_uframes_t snd_pcm_status_get_avail(const snd_pcm_status_t *obj);
+snd_pcm_uframes_t snd_pcm_status_get_avail_max(const snd_pcm_status_t *obj);
+snd_pcm_uframes_t snd_pcm_status_get_overrange(const snd_pcm_status_t *obj);
+
+/** \} */
+
+/**
+ * \defgroup PCM_Description Description Functions
+ * \ingroup PCM
+ * See the \ref pcm page for more details.
+ * \{
+ */
+
+const char *snd_pcm_type_name(snd_pcm_type_t type);
+const char *snd_pcm_stream_name(const snd_pcm_stream_t stream);
+const char *snd_pcm_access_name(const snd_pcm_access_t _access);
+const char *snd_pcm_format_name(const snd_pcm_format_t format);
+const char *snd_pcm_format_description(const snd_pcm_format_t format);
+const char *snd_pcm_subformat_name(const snd_pcm_subformat_t subformat);
+const char *snd_pcm_subformat_description(const snd_pcm_subformat_t subformat);
+snd_pcm_format_t snd_pcm_format_value(const char* name);
+const char *snd_pcm_tstamp_mode_name(const snd_pcm_tstamp_t mode);
+const char *snd_pcm_state_name(const snd_pcm_state_t state);
+
+/** \} */
+
+/**
+ * \defgroup PCM_Dump Debug Functions
+ * \ingroup PCM
+ * See the \ref pcm page for more details.
+ * \{
+ */
+
+int snd_pcm_dump(snd_pcm_t *pcm, snd_output_t *out);
+int snd_pcm_dump_hw_setup(snd_pcm_t *pcm, snd_output_t *out);
+int snd_pcm_dump_sw_setup(snd_pcm_t *pcm, snd_output_t *out);
+int snd_pcm_dump_setup(snd_pcm_t *pcm, snd_output_t *out);
+int snd_pcm_hw_params_dump(snd_pcm_hw_params_t *params, snd_output_t *out);
+int snd_pcm_sw_params_dump(snd_pcm_sw_params_t *params, snd_output_t *out);
+int snd_pcm_status_dump(snd_pcm_status_t *status, snd_output_t *out);
+
+/** \} */
+
+/**
+ * \defgroup PCM_Direct Direct Access (MMAP) Functions
+ * \ingroup PCM
+ * See the \ref pcm page for more details.
+ * \{
+ */
+
+int snd_pcm_mmap_begin(snd_pcm_t *pcm,
+		       const snd_pcm_channel_area_t **areas,
+		       snd_pcm_uframes_t *offset,
+		       snd_pcm_uframes_t *frames);
+snd_pcm_sframes_t snd_pcm_mmap_commit(snd_pcm_t *pcm,
+				      snd_pcm_uframes_t offset,
+				      snd_pcm_uframes_t frames);
+snd_pcm_sframes_t snd_pcm_mmap_writei(snd_pcm_t *pcm, const void *buffer, snd_pcm_uframes_t size);
+snd_pcm_sframes_t snd_pcm_mmap_readi(snd_pcm_t *pcm, void *buffer, snd_pcm_uframes_t size);
+snd_pcm_sframes_t snd_pcm_mmap_writen(snd_pcm_t *pcm, void **bufs, snd_pcm_uframes_t size);
+snd_pcm_sframes_t snd_pcm_mmap_readn(snd_pcm_t *pcm, void **bufs, snd_pcm_uframes_t size);                                                                
+
+/** \} */
+
+/**
+ * \defgroup PCM_Helpers Helper Functions
+ * \ingroup PCM
+ * See the \ref pcm page for more details.
+ * \{
+ */
+
+int snd_pcm_format_signed(snd_pcm_format_t format);
+int snd_pcm_format_unsigned(snd_pcm_format_t format);
+int snd_pcm_format_linear(snd_pcm_format_t format);
+int snd_pcm_format_float(snd_pcm_format_t format);
+int snd_pcm_format_little_endian(snd_pcm_format_t format);
+int snd_pcm_format_big_endian(snd_pcm_format_t format);
+int snd_pcm_format_cpu_endian(snd_pcm_format_t format);
+int snd_pcm_format_width(snd_pcm_format_t format);			/* in bits */
+int snd_pcm_format_physical_width(snd_pcm_format_t format);		/* in bits */
+snd_pcm_format_t snd_pcm_build_linear_format(int width, int pwidth, int unsignd, int big_endian);
+ssize_t snd_pcm_format_size(snd_pcm_format_t format, size_t samples);
+u_int8_t snd_pcm_format_silence(snd_pcm_format_t format);
+u_int16_t snd_pcm_format_silence_16(snd_pcm_format_t format);
+u_int32_t snd_pcm_format_silence_32(snd_pcm_format_t format);
+u_int64_t snd_pcm_format_silence_64(snd_pcm_format_t format);
+int snd_pcm_format_set_silence(snd_pcm_format_t format, void *buf, unsigned int samples);
+
+snd_pcm_sframes_t snd_pcm_bytes_to_frames(snd_pcm_t *pcm, ssize_t bytes);
+ssize_t snd_pcm_frames_to_bytes(snd_pcm_t *pcm, snd_pcm_sframes_t frames);
+long snd_pcm_bytes_to_samples(snd_pcm_t *pcm, ssize_t bytes);
+ssize_t snd_pcm_samples_to_bytes(snd_pcm_t *pcm, long samples);
+
+int snd_pcm_area_silence(const snd_pcm_channel_area_t *dst_channel, snd_pcm_uframes_t dst_offset,
+			 unsigned int samples, snd_pcm_format_t format);
+int snd_pcm_areas_silence(const snd_pcm_channel_area_t *dst_channels, snd_pcm_uframes_t dst_offset,
+			  unsigned int channels, snd_pcm_uframes_t frames, snd_pcm_format_t format);
+int snd_pcm_area_copy(const snd_pcm_channel_area_t *dst_channel, snd_pcm_uframes_t dst_offset,
+		      const snd_pcm_channel_area_t *src_channel, snd_pcm_uframes_t src_offset,
+		      unsigned int samples, snd_pcm_format_t format);
+int snd_pcm_areas_copy(const snd_pcm_channel_area_t *dst_channels, snd_pcm_uframes_t dst_offset,
+		       const snd_pcm_channel_area_t *src_channels, snd_pcm_uframes_t src_offset,
+		       unsigned int channels, snd_pcm_uframes_t frames, snd_pcm_format_t format);
+
+/** \} */
+
+/**
+ * \defgroup PCM_Hook Hook Extension
+ * \ingroup PCM
+ * See the \ref pcm page for more details.
+ * \{
+ */
+
+/** type of pcm hook */
+typedef enum _snd_pcm_hook_type {
+	SND_PCM_HOOK_TYPE_HW_PARAMS = 0,
+	SND_PCM_HOOK_TYPE_HW_FREE,
+	SND_PCM_HOOK_TYPE_CLOSE,
+	SND_PCM_HOOK_TYPE_LAST = SND_PCM_HOOK_TYPE_CLOSE
+} snd_pcm_hook_type_t;
+
+/** PCM hook container */
+typedef struct _snd_pcm_hook snd_pcm_hook_t;
+/** PCM hook callback function */
+typedef int (*snd_pcm_hook_func_t)(snd_pcm_hook_t *hook);
+snd_pcm_t *snd_pcm_hook_get_pcm(snd_pcm_hook_t *hook);
+void *snd_pcm_hook_get_private(snd_pcm_hook_t *hook);
+void snd_pcm_hook_set_private(snd_pcm_hook_t *hook, void *private_data);
+int snd_pcm_hook_add(snd_pcm_hook_t **hookp, snd_pcm_t *pcm,
+		     snd_pcm_hook_type_t type,
+		     snd_pcm_hook_func_t func, void *private_data);
+int snd_pcm_hook_remove(snd_pcm_hook_t *hook);
+
+/** \} */
+
+/**
+ * \defgroup PCM_Scope Scope Plugin Extension
+ * \ingroup PCM
+ * See the \ref pcm page for more details.
+ * \{
+ */
+
+/** #SND_PCM_TYPE_METER scope functions */
+typedef struct _snd_pcm_scope_ops {
+	/** \brief Enable and prepare it using current params
+	 * \param scope scope handle
+	 */
+	int (*enable)(snd_pcm_scope_t *scope);
+	/** \brief Disable
+	 * \param scope scope handle
+	 */
+	void (*disable)(snd_pcm_scope_t *scope);
+	/** \brief PCM has been started
+	 * \param scope scope handle
+	 */
+	void (*start)(snd_pcm_scope_t *scope);
+	/** \brief PCM has been stopped
+	 * \param scope scope handle
+	 */
+	void (*stop)(snd_pcm_scope_t *scope);
+	/** \brief New frames are present
+	 * \param scope scope handle
+	 */
+	void (*update)(snd_pcm_scope_t *scope);
+	/** \brief Reset status
+	 * \param scope scope handle
+	 */
+	void (*reset)(snd_pcm_scope_t *scope);
+	/** \brief PCM is closing
+	 * \param scope scope handle
+	 */
+	void (*close)(snd_pcm_scope_t *scope);
+} snd_pcm_scope_ops_t;
+
+snd_pcm_uframes_t snd_pcm_meter_get_bufsize(snd_pcm_t *pcm);
+unsigned int snd_pcm_meter_get_channels(snd_pcm_t *pcm);
+unsigned int snd_pcm_meter_get_rate(snd_pcm_t *pcm);
+snd_pcm_uframes_t snd_pcm_meter_get_now(snd_pcm_t *pcm);
+snd_pcm_uframes_t snd_pcm_meter_get_boundary(snd_pcm_t *pcm);
+int snd_pcm_meter_add_scope(snd_pcm_t *pcm, snd_pcm_scope_t *scope);
+snd_pcm_scope_t *snd_pcm_meter_search_scope(snd_pcm_t *pcm, const char *name);
+int snd_pcm_scope_malloc(snd_pcm_scope_t **ptr);
+void snd_pcm_scope_set_ops(snd_pcm_scope_t *scope, snd_pcm_scope_ops_t *val);
+void snd_pcm_scope_set_name(snd_pcm_scope_t *scope, const char *val);
+const char *snd_pcm_scope_get_name(snd_pcm_scope_t *scope);
+void *snd_pcm_scope_get_callback_private(snd_pcm_scope_t *scope);
+void snd_pcm_scope_set_callback_private(snd_pcm_scope_t *scope, void *val);
+int snd_pcm_scope_s16_open(snd_pcm_t *pcm, const char *name,
+			   snd_pcm_scope_t **scopep);
+int16_t *snd_pcm_scope_s16_get_channel_buffer(snd_pcm_scope_t *scope,
+					      unsigned int channel);
+
+/** \} */
+
+/**
+ * \defgroup PCM_Simple Simple setup functions
+ * \ingroup PCM
+ * See the \ref pcm page for more details.
+ * \{
+ */
+
+/** Simple PCM latency type */
+typedef enum _snd_spcm_latency {
+	/** standard latency - for standard playback or capture
+            (estimated latency in one direction 350ms) */
+	SND_SPCM_LATENCY_STANDARD = 0,
+	/** medium latency - software phones etc.
+	    (estimated latency in one direction maximally 25ms */
+	SND_SPCM_LATENCY_MEDIUM,
+	/** realtime latency - realtime applications (effect processors etc.)
+	    (estimated latency in one direction 5ms and better) */
+	SND_SPCM_LATENCY_REALTIME
+} snd_spcm_latency_t;
+
+/** Simple PCM xrun type */
+typedef enum _snd_spcm_xrun_type {
+	/** driver / library will ignore all xruns, the stream runs forever */
+	SND_SPCM_XRUN_IGNORE = 0,
+	/** driver / library stops the stream when an xrun occurs */
+	SND_SPCM_XRUN_STOP
+} snd_spcm_xrun_type_t;
+
+/** Simple PCM duplex type */
+typedef enum _snd_spcm_duplex_type {
+	/** liberal duplex - the buffer and period sizes might not match */
+	SND_SPCM_DUPLEX_LIBERAL = 0,
+	/** pedantic duplex - the buffer and period sizes MUST match */
+	SND_SPCM_DUPLEX_PEDANTIC
+} snd_spcm_duplex_type_t;
+
+int snd_spcm_init(snd_pcm_t *pcm,
+		  unsigned int rate,
+		  unsigned int channels,
+		  snd_pcm_format_t format,
+		  snd_pcm_subformat_t subformat,
+		  snd_spcm_latency_t latency,
+		  snd_pcm_access_t _access,
+		  snd_spcm_xrun_type_t xrun_type);
+
+int snd_spcm_init_duplex(snd_pcm_t *playback_pcm,
+			 snd_pcm_t *capture_pcm,
+			 unsigned int rate,
+			 unsigned int channels,
+			 snd_pcm_format_t format,
+			 snd_pcm_subformat_t subformat,
+			 snd_spcm_latency_t latency,
+			 snd_pcm_access_t _access,
+			 snd_spcm_xrun_type_t xrun_type,
+			 snd_spcm_duplex_type_t duplex_type);
+
+int snd_spcm_init_get_params(snd_pcm_t *pcm,
+			     unsigned int *rate,
+			     snd_pcm_uframes_t *buffer_size,
+			     snd_pcm_uframes_t *period_size);
+
+/** \} */
+
+/**
+ * \defgroup PCM_Deprecated Deprecated Functions
+ * \ingroup PCM
+ * See the \ref pcm page for more details.
+ * \{
+ */
+
+/* Deprecated functions, for compatibility */
+const char *snd_pcm_start_mode_name(snd_pcm_start_t mode);
+const char *snd_pcm_xrun_mode_name(snd_pcm_xrun_t mode);
+int snd_pcm_sw_params_set_start_mode(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_start_t val);
+snd_pcm_start_t snd_pcm_sw_params_get_start_mode(const snd_pcm_sw_params_t *params);
+int snd_pcm_sw_params_set_xrun_mode(snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_xrun_t val);
+snd_pcm_xrun_t snd_pcm_sw_params_get_xrun_mode(const snd_pcm_sw_params_t *params);
+
+/** \} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __ALSA_PCM_H */