7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync#include <iprt/alloc.h>

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync#include <iprt/uuid.h> /* For PDMIBASE_2_PDMDRV. */

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync#include <VBox/vmm/pdmaudioifs.h>

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync #include "alsa_stubs.h"

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync #include "alsa_mangling.h"

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync#include <alsa/asoundlib.h>

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync#include "DrvAudio.h"

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync#include "AudioMixBuffer.h"

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync#include "VBoxDD.h"

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync#include "vl_vbox.h"

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync#ifdef LOG_GROUP

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync# undef LOG_GROUP

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync#endif

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync#define LOG_GROUP LOG_GROUP_DEV_AUDIO

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync#include <VBox/log.h>

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsynctypedef struct ALSAAUDIOSTREAMIN

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync{

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync PDMAUDIOHSTSTRMIN pStreamIn;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync snd_pcm_t *phPCM;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync void *pvBuf;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync size_t cbBuf;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync} ALSAAUDIOSTREAMIN, *PALSAAUDIOSTREAMIN;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsynctypedef struct ALSAAUDIOSTREAMOUT

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync{

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync PDMAUDIOHSTSTRMOUT pStreamOut;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync snd_pcm_t *phPCM;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync void *pvBuf;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync size_t cbBuf;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync} ALSAAUDIOSTREAMOUT, *PALSAAUDIOSTREAMOUT;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsynctypedef struct ALSAAUDIOCFG

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync{

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync int size_in_usec_in;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync int size_in_usec_out;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync const char *pcm_name_in;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync const char *pcm_name_out;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync unsigned int buffer_size_in;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync unsigned int period_size_in;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync unsigned int buffer_size_out;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync unsigned int period_size_out;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync unsigned int threshold;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync int buffer_size_in_overriden;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync int period_size_in_overriden;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync int buffer_size_out_overriden;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync int period_size_out_overriden;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync} ALSAAUDIOCFG, *PALSAAUDIOCFG;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsyncstatic int drvHostALSAAudioRecover(snd_pcm_t *phPCM);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsyncstatic ALSAAUDIOCFG s_ALSAConf =

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync{

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync#ifdef HIGH_LATENCY

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync 1,

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync 1,

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync#else

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync 0,

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync 0,

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync#endif

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync "default",

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync "default",

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync#ifdef HIGH_LATENCY

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync 400000,

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync 400000 / 4,

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync 400000,

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync 400000 / 4,

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync#else

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync# define DEFAULT_BUFFER_SIZE 1024

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync# define DEFAULT_PERIOD_SIZE 256

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync DEFAULT_BUFFER_SIZE * 4,

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync DEFAULT_PERIOD_SIZE * 4,

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync DEFAULT_BUFFER_SIZE,

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync DEFAULT_PERIOD_SIZE,

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync#endif

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync 0,

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync 0,

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync 0,

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync 0,

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync 0

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync};

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsynctypedef struct DRVHOSTALSAAUDIO

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync{

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync /** Pointer to the driver instance structure. */

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync PPDMDRVINS pDrvIns;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync /** Pointer to host audio interface. */

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync PDMIHOSTAUDIO IHostAudio;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync /** Error count for not flooding the release log.

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync uint32_t cLogErrors;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync} DRVHOSTALSAAUDIO, *PDRVHOSTALSAAUDIO;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsynctypedef struct ALSAAUDIOSTREAMCFG

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync{

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync unsigned int freq;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync snd_pcm_format_t fmt;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync int nchannels;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync unsigned long buffer_size;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync unsigned long period_size;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync snd_pcm_uframes_t samples;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync} ALSAAUDIOSTREAMCFG, *PALSAAUDIOSTREAMCFG;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsyncstatic int drvHostALSAAudioClose(snd_pcm_t **pphPCM)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync{

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (!pphPCM || !*pphPCM)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync return VINF_SUCCESS;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync int rc;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync int rc2 = snd_pcm_close(*pphPCM);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (rc2)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync LogRel(("ALSA: Closing PCM descriptor failed: %s\n",

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync snd_strerror(rc2)));

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync rc = VERR_GENERAL_FAILURE; /** @todo */

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync else

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync *pphPCM = NULL;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync rc = VINF_SUCCESS;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync return rc;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync}

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsyncstatic snd_pcm_format_t drvHostALSAAudioFmtToALSA(PDMAUDIOFMT fmt)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync{

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync switch (fmt)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync case AUD_FMT_S8:

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync return SND_PCM_FORMAT_S8;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync case AUD_FMT_U8:

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync return SND_PCM_FORMAT_U8;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync case AUD_FMT_S16:

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync return SND_PCM_FORMAT_S16_LE;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync case AUD_FMT_U16:

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync return SND_PCM_FORMAT_U16_LE;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync case AUD_FMT_S32:

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync return SND_PCM_FORMAT_S32_LE;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync case AUD_FMT_U32:

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync return SND_PCM_FORMAT_U32_LE;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync default:

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync break;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync AssertMsgFailed(("Format %ld not supported\n", fmt));

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync return SND_PCM_FORMAT_U8;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync}

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsyncstatic int drvHostALSAAudioALSAToFmt(snd_pcm_format_t fmt,

10258d88c40d8254a2a0d89e9b6c1f3b487f5c2dvboxsync PDMAUDIOFMT *pFmt, PDMAUDIOENDIANNESS *pEndianness)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync{

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync AssertPtrReturn(pFmt, VERR_INVALID_POINTER);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync /* pEndianness is optional. */

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync switch (fmt)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync case SND_PCM_FORMAT_S8:

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync *pFmt = AUD_FMT_S8;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (pEndianness)

10258d88c40d8254a2a0d89e9b6c1f3b487f5c2dvboxsync *pEndianness = PDMAUDIOENDIANNESS_LITTLE;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync break;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync case SND_PCM_FORMAT_U8:

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync *pFmt = AUD_FMT_U8;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (pEndianness)

10258d88c40d8254a2a0d89e9b6c1f3b487f5c2dvboxsync *pEndianness = PDMAUDIOENDIANNESS_LITTLE;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync break;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync case SND_PCM_FORMAT_S16_LE:

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync *pFmt = AUD_FMT_S16;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (pEndianness)

10258d88c40d8254a2a0d89e9b6c1f3b487f5c2dvboxsync *pEndianness = PDMAUDIOENDIANNESS_LITTLE;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync break;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync case SND_PCM_FORMAT_U16_LE:

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync *pFmt = AUD_FMT_U16;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (pEndianness)

10258d88c40d8254a2a0d89e9b6c1f3b487f5c2dvboxsync *pEndianness = PDMAUDIOENDIANNESS_LITTLE;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync break;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync case SND_PCM_FORMAT_S16_BE:

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync *pFmt = AUD_FMT_S16;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (pEndianness)

10258d88c40d8254a2a0d89e9b6c1f3b487f5c2dvboxsync *pEndianness = PDMAUDIOENDIANNESS_BIG;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync break;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync case SND_PCM_FORMAT_U16_BE:

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync *pFmt = AUD_FMT_U16;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (pEndianness)

10258d88c40d8254a2a0d89e9b6c1f3b487f5c2dvboxsync *pEndianness = PDMAUDIOENDIANNESS_BIG;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync break;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync case SND_PCM_FORMAT_S32_LE:

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync *pFmt = AUD_FMT_S32;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (pEndianness)

10258d88c40d8254a2a0d89e9b6c1f3b487f5c2dvboxsync *pEndianness = PDMAUDIOENDIANNESS_LITTLE;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync break;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync case SND_PCM_FORMAT_U32_LE:

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync *pFmt = AUD_FMT_U32;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (pEndianness)

10258d88c40d8254a2a0d89e9b6c1f3b487f5c2dvboxsync *pEndianness = PDMAUDIOENDIANNESS_LITTLE;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync break;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync case SND_PCM_FORMAT_S32_BE:

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync *pFmt = AUD_FMT_S32;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (pEndianness)

10258d88c40d8254a2a0d89e9b6c1f3b487f5c2dvboxsync *pEndianness = PDMAUDIOENDIANNESS_BIG;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync break;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync case SND_PCM_FORMAT_U32_BE:

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync *pFmt = AUD_FMT_U32;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (pEndianness)

10258d88c40d8254a2a0d89e9b6c1f3b487f5c2dvboxsync *pEndianness = PDMAUDIOENDIANNESS_BIG;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync break;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync default:

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync AssertMsgFailed(("Format %ld not supported\n", fmt));

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync return VERR_NOT_SUPPORTED;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync return VINF_SUCCESS;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync}

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsyncstatic int drvHostALSAAudioALSAGetShift(snd_pcm_format_t fmt, unsigned *puShift)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync{

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync AssertPtrReturn(puShift, VERR_INVALID_POINTER);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync switch (fmt)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync case SND_PCM_FORMAT_S8:

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync case SND_PCM_FORMAT_U8:

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync *puShift = 0;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync break;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync case SND_PCM_FORMAT_S16_LE:

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync case SND_PCM_FORMAT_U16_LE:

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync case SND_PCM_FORMAT_S16_BE:

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync case SND_PCM_FORMAT_U16_BE:

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync *puShift = 1;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync break;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync case SND_PCM_FORMAT_S32_LE:

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync case SND_PCM_FORMAT_U32_LE:

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync case SND_PCM_FORMAT_S32_BE:

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync case SND_PCM_FORMAT_U32_BE:

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync *puShift = 2;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync break;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync default:

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync AssertMsgFailed(("Format %ld not supported\n", fmt));

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync return VERR_NOT_SUPPORTED;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync return VINF_SUCCESS;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync}

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsyncstatic int drvHostALSAAudioSetThreshold(snd_pcm_t *phPCM,

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync snd_pcm_uframes_t threshold)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync{

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync snd_pcm_sw_params_t *pSWParms = NULL;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync snd_pcm_sw_params_alloca(&pSWParms);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (!pSWParms)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync return VERR_NO_MEMORY;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync int rc;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync do

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync int err = snd_pcm_sw_params_current(phPCM, pSWParms);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (err < 0)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync LogRel(("ALSA: Failed to get current software parameters for threshold: %s\n",

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync snd_strerror(err)));

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync rc = VERR_ACCESS_DENIED;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync break;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync err = snd_pcm_sw_params_set_start_threshold(phPCM, pSWParms, threshold);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (err < 0)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync LogRel(("ALSA: Failed to set software threshold to %ld: %s\n",

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync threshold, snd_strerror(err)));

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync rc = VERR_ACCESS_DENIED;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync break;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync err = snd_pcm_sw_params(phPCM, pSWParms);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (err < 0)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync LogRel(("ALSA: Failed to set new software parameters for threshold: %s\n",

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync snd_strerror(err)));

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync rc = VERR_ACCESS_DENIED;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync break;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync LogFlowFunc(("Setting threshold to %RU32\n", threshold));

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync rc = VINF_SUCCESS;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync while (0);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync return rc;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync}

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsyncstatic int drvHostALSAAudioOpen(bool fIn,

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync PALSAAUDIOSTREAMCFG pCfgReq,

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync PALSAAUDIOSTREAMCFG pCfgObt,

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync snd_pcm_t **pphPCM)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync{

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync snd_pcm_t *phPCM = NULL;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync int rc;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync unsigned int cChannels = pCfgReq->nchannels;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync unsigned int uFreq = pCfgReq->freq;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync snd_pcm_uframes_t obt_buffer_size;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync do

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync const char *pszDev = fIn ? s_ALSAConf.pcm_name_in : s_ALSAConf.pcm_name_out;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (!pszDev)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync LogRel(("ALSA: Invalid or no %s device name set\n",

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync fIn ? "input" : "output"));

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync rc = VERR_INVALID_PARAMETER;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync break;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync int err = snd_pcm_open(&phPCM, pszDev,

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync fIn ? SND_PCM_STREAM_CAPTURE : SND_PCM_STREAM_PLAYBACK,

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync SND_PCM_NONBLOCK);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (err < 0)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync LogRel(("ALSA: Failed to open \"%s\" as %s: %s\n", pszDev,

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync fIn ? "ADC" : "DAC", snd_strerror(err)));

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync rc = VERR_GENERAL_FAILURE; /** @todo Find a better rc. */

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync break;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync snd_pcm_hw_params_t *pHWParms;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync snd_pcm_hw_params_alloca(&pHWParms); /** @todo Check for successful allocation? */

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync err = snd_pcm_hw_params_any(phPCM, pHWParms);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (err < 0)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync LogRel(("ALSA: Failed to initialize hardware parameters: %s\n",

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync snd_strerror(err)));

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync rc = VERR_GENERAL_FAILURE; /** @todo Find a better rc. */

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync break;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync err = snd_pcm_hw_params_set_access(phPCM, pHWParms,

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync SND_PCM_ACCESS_RW_INTERLEAVED);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (err < 0)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync LogRel(("ALSA: Failed to set access type: %s\n", snd_strerror(err)));

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync rc = VERR_GENERAL_FAILURE; /** @todo Find a better rc. */

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync break;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync err = snd_pcm_hw_params_set_format(phPCM, pHWParms, pCfgReq->fmt);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (err < 0)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync LogRel(("ALSA: Failed to set audio format to %d: %s\n",

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync pCfgReq->fmt, snd_strerror(err)));

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync rc = VERR_GENERAL_FAILURE; /** @todo Find a better rc. */

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync break;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync err = snd_pcm_hw_params_set_rate_near(phPCM, pHWParms, &uFreq, 0);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (err < 0)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync LogRel(("ALSA: Failed to set frequency to %dHz: %s\n",

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync pCfgReq->freq, snd_strerror(err)));

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync rc = VERR_GENERAL_FAILURE; /** @todo Find a better rc. */

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync break;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync err = snd_pcm_hw_params_set_channels_near(phPCM, pHWParms, &cChannels);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (err < 0)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync LogRel(("ALSA: Failed to set number of channels to %d\n", pCfgReq->nchannels));

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync rc = VERR_GENERAL_FAILURE; /** @todo Find a better rc. */

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync break;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if ( cChannels != 1

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync && cChannels != 2)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync LogRel(("ALSA: Number of audio channels (%u) not supported\n", cChannels));

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync rc = VERR_GENERAL_FAILURE; /** @todo Find a better rc. */

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync break;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync unsigned int period_size = pCfgReq->period_size;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync unsigned int buffer_size = pCfgReq->buffer_size;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if ( !((fIn && s_ALSAConf.size_in_usec_in)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync || (!fIn && s_ALSAConf.size_in_usec_out)))

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (!buffer_size)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync buffer_size = DEFAULT_BUFFER_SIZE;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync period_size = DEFAULT_PERIOD_SIZE;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (buffer_size)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if ( ( fIn && s_ALSAConf.size_in_usec_in)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync || (!fIn && s_ALSAConf.size_in_usec_out))

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (period_size)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync err = snd_pcm_hw_params_set_period_time_near(phPCM, pHWParms,

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync &period_size, 0);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (err < 0)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync LogRel(("ALSA: Failed to set period time %d\n", pCfgReq->period_size));

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync rc = VERR_GENERAL_FAILURE; /** @todo Find a better rc. */

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync break;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync err = snd_pcm_hw_params_set_buffer_time_near(phPCM, pHWParms,

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync &buffer_size, 0);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (err < 0)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync LogRel(("ALSA: Failed to set buffer time %d\n", pCfgReq->buffer_size));

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync rc = VERR_GENERAL_FAILURE; /** @todo Find a better rc. */

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync break;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync else

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync snd_pcm_uframes_t period_size_f = (snd_pcm_uframes_t)period_size;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync snd_pcm_uframes_t buffer_size_f = (snd_pcm_uframes_t)buffer_size;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync snd_pcm_uframes_t minval;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (period_size_f)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync minval = period_size_f;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync int dir = 0;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync err = snd_pcm_hw_params_get_period_size_min(pHWParms,

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync &minval, &dir);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (err < 0)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync LogRel(("ALSA: Could not determine minimal period size\n"));

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync rc = VERR_GENERAL_FAILURE; /** @todo Find a better rc. */

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync break;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync else

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync LogFunc(("Minimal period size is: %ld\n", minval));

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (period_size_f < minval)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if ( ( fIn && s_ALSAConf.period_size_in_overriden)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync || (!fIn && s_ALSAConf.period_size_out_overriden))

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync LogFunc(("Period size %RU32 is less than minimal period size %RU32\n",

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync period_size_f, minval));

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync period_size_f = minval;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync err = snd_pcm_hw_params_set_period_size_near(phPCM, pHWParms,

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync &period_size_f, 0);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync LogFunc(("Period size is: %RU32\n", period_size_f));

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (err < 0)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync LogRel(("ALSA: Failed to set period size %d (%s)\n",

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync period_size_f, snd_strerror(err)));

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync rc = VERR_GENERAL_FAILURE; /** @todo Find a better rc. */

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync break;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync /* Calculate default buffer size here since it might have been changed

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync buffer_size_f = 4 * period_size_f;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync minval = buffer_size_f;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync err = snd_pcm_hw_params_get_buffer_size_min(pHWParms, &minval);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (err < 0)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync LogRel(("ALSA: Could not retrieve minimal buffer size\n"));

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync rc = VERR_GENERAL_FAILURE; /** @todo Find a better rc. */

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync break;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync else

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync LogFunc(("Minimal buffer size is: %RU32\n", minval));

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (buffer_size_f < minval)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if ( ( fIn && s_ALSAConf.buffer_size_in_overriden)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync || (!fIn && s_ALSAConf.buffer_size_out_overriden))

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync LogFunc(("Buffer size %RU32 is less than minimal buffer size %RU32\n",

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync buffer_size_f, minval));

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync buffer_size_f = minval;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync err = snd_pcm_hw_params_set_buffer_size_near(phPCM,

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync pHWParms, &buffer_size_f);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync LogFunc(("Buffer size is: %RU32\n", buffer_size_f));

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (err < 0)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync LogRel(("ALSA: Failed to set buffer size %d: %s\n",

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync buffer_size_f, snd_strerror(err)));

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync rc = VERR_GENERAL_FAILURE; /** @todo Find a better rc. */

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync break;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync else

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync LogFunc(("Warning: Buffer size is not set\n"));

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync err = snd_pcm_hw_params(phPCM, pHWParms);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (err < 0)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync LogRel(("ALSA: Failed to apply audio parameters\n"));

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync rc = VERR_GENERAL_FAILURE; /** @todo Find a better rc. */

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync break;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync err = snd_pcm_hw_params_get_buffer_size(pHWParms, &obt_buffer_size);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (err < 0)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync LogRel(("ALSA: Failed to get buffer size\n"));

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync rc = VERR_GENERAL_FAILURE; /** @todo Find a better rc. */

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync break;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync snd_pcm_uframes_t obt_period_size;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync int dir = 0;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync err = snd_pcm_hw_params_get_period_size(pHWParms, &obt_period_size, &dir);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (err < 0)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync LogRel(("ALSA: Failed to get period size\n"));

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync rc = VERR_GENERAL_FAILURE; /** @todo Find a better rc. */

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync break;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync LogFunc(("Freq=%dHz, period size=%RU32, buffer size=%RU32\n",

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync pCfgReq->freq, obt_period_size, obt_buffer_size));

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync err = snd_pcm_prepare(phPCM);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (err < 0)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync LogRel(("ALSA: Could not prepare hPCM %p\n", (void *)phPCM));

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync rc = VERR_GENERAL_FAILURE; /** @todo Find a better rc. */

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync break;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if ( !fIn

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync && s_ALSAConf.threshold)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync unsigned uShift;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync rc = drvHostALSAAudioALSAGetShift(pCfgReq->fmt, &uShift);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (RT_SUCCESS(rc))

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync int bytes_per_sec = uFreq

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync << (cChannels == 2)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync << uShift;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync snd_pcm_uframes_t threshold

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync = (s_ALSAConf.threshold * bytes_per_sec) / 1000;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync rc = drvHostALSAAudioSetThreshold(phPCM, threshold);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync else

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync rc = VINF_SUCCESS;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync while (0);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (RT_SUCCESS(rc))

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync pCfgObt->fmt = pCfgReq->fmt;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync pCfgObt->nchannels = cChannels;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync pCfgObt->freq = uFreq;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync pCfgObt->samples = obt_buffer_size;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync *pphPCM = phPCM;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync else

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync drvHostALSAAudioClose(&phPCM);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync LogFlowFuncLeaveRC(rc);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync return rc;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync}

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync#ifdef DEBUG

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsyncstatic void drvHostALSAAudioErrorHandler(const char *file, int line, const char *function,

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync int err, const char *fmt, ...)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync{

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync /** @todo Implement me! */

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync}

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync#endif

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsyncstatic int drvHostALSAAudioGetAvail(snd_pcm_t *phPCM, snd_pcm_sframes_t *pFramesAvail)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync{

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync AssertPtrReturn(phPCM, VERR_INVALID_POINTER);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync AssertPtrReturn(pFramesAvail, VERR_INVALID_POINTER);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync int rc;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync snd_pcm_sframes_t framesAvail;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync framesAvail = snd_pcm_avail_update(phPCM);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (framesAvail < 0)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (framesAvail == -EPIPE)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync rc = drvHostALSAAudioRecover(phPCM);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (RT_SUCCESS(rc))

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync framesAvail = snd_pcm_avail_update(phPCM);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync else

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync rc = VERR_ACCESS_DENIED; /** @todo Find a better rc. */

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync else

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync rc = VINF_SUCCESS;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (framesAvail >= 0)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync *pFramesAvail = framesAvail;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync return rc;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync}

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsyncstatic int drvHostALSAAudioRecover(snd_pcm_t *phPCM)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync{

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync AssertPtrReturn(phPCM, VERR_INVALID_POINTER);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync int err = snd_pcm_prepare(phPCM);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (err < 0)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync LogFunc(("Failed to recover stream %p: %s\n",

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync phPCM, snd_strerror(err)));

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync return VERR_ACCESS_DENIED; /** @todo Find a better rc. */

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync return VINF_SUCCESS;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync}

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsyncstatic int drvHostALSAAudioResume(snd_pcm_t *phPCM)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync{

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync AssertPtrReturn(phPCM, VERR_INVALID_POINTER);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync int err = snd_pcm_resume(phPCM);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (err < 0)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync LogFunc(("Failed to resume stream %p: %s\n",

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync phPCM, snd_strerror(err)));

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync return VERR_ACCESS_DENIED; /** @todo Find a better rc. */

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync return VINF_SUCCESS;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync}

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsyncstatic int drvHostALSAAudioStreamCtl(snd_pcm_t *phPCM, bool fPause)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync{

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync int err;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (fPause)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync err = snd_pcm_drop(phPCM);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (err < 0)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync LogFlow(("Error stopping stream %p: %s\n",

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync phPCM, snd_strerror(err)));

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync return VERR_ACCESS_DENIED;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync else

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync err = snd_pcm_prepare (phPCM);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (err < 0)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync LogFlow(("Error preparing stream %p: %s\n",

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync phPCM, snd_strerror(err)));

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync return VERR_ACCESS_DENIED;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync return VINF_SUCCESS;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync}

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsyncstatic DECLCALLBACK(int) drvHostALSAAudioInit(PPDMIHOSTAUDIO pInterface)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync{

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync NOREF(pInterface);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync LogFlowFuncEnter();

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync int rc = audioLoadAlsaLib();

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (RT_FAILURE(rc))

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync LogRel(("ALSA: Failed to load the ALSA shared library, rc=%Rrc\n", rc));

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync else

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync#ifdef DEBUG

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync snd_lib_error_set_handler(drvHostALSAAudioErrorHandler);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync#endif

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync return rc;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync}

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsyncstatic DECLCALLBACK(int) drvHostALSAAudioCaptureIn(PPDMIHOSTAUDIO pInterface, PPDMAUDIOHSTSTRMIN pHstStrmIn,

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync uint32_t *pcSamplesCaptured)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync{

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync NOREF(pInterface);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync AssertPtrReturn(pHstStrmIn, VERR_INVALID_POINTER);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync PALSAAUDIOSTREAMIN pThisStrmIn = (PALSAAUDIOSTREAMIN)pHstStrmIn;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync snd_pcm_sframes_t cAvail;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync int rc = drvHostALSAAudioGetAvail(pThisStrmIn->phPCM, &cAvail);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (RT_FAILURE(rc))

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync LogFunc(("Error getting number of captured frames, rc=%Rrc\n", rc));

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync return rc;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (!cAvail) /* No data yet? */

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync snd_pcm_state_t state = snd_pcm_state(pThisStrmIn->phPCM);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync switch (state)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync case SND_PCM_STATE_PREPARED:

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync cAvail = audioMixBufFree(&pHstStrmIn->MixBuf);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync break;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync case SND_PCM_STATE_SUSPENDED:

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync rc = drvHostALSAAudioResume(pThisStrmIn->phPCM);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (RT_FAILURE(rc))

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync break;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync LogFlow(("Resuming suspended input stream\n"));

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync break;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync default:

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync LogFlow(("No frames available, state=%d\n", state));

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync break;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (!cAvail)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (pcSamplesCaptured)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync *pcSamplesCaptured = 0;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync return VINF_SUCCESS;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync Assert(cAvail);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync size_t cbToRead = AUDIOMIXBUF_S2B(&pHstStrmIn->MixBuf, cAvail);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync LogFlowFunc(("cbToRead=%zu, cAvail=%RI32\n", cbToRead, cAvail));

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync uint32_t cWrittenTotal = 0;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync snd_pcm_uframes_t cToRead;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync snd_pcm_sframes_t cRead;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

204c6779704e15c023bd6eda2d955be06bc486bevboxsync while ( cbToRead

204c6779704e15c023bd6eda2d955be06bc486bevboxsync && RT_SUCCESS(rc))

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync cToRead = RT_MIN(AUDIOMIXBUF_B2S(&pHstStrmIn->MixBuf, cbToRead),

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync AUDIOMIXBUF_B2S(&pHstStrmIn->MixBuf, pThisStrmIn->cbBuf));

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync AssertBreakStmt(cToRead, rc = VERR_NO_DATA);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync cRead = snd_pcm_readi(pThisStrmIn->phPCM, pThisStrmIn->pvBuf, cToRead);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (cRead <= 0)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync switch (cRead)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync case 0:

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7b2cd67e9d38011fddd62967b7e9d26d88a28133vboxsync LogFunc(("No input frames available\n"));

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync rc = VERR_ACCESS_DENIED;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync break;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync case -EAGAIN:

204c6779704e15c023bd6eda2d955be06bc486bevboxsync /*

204c6779704e15c023bd6eda2d955be06bc486bevboxsync cbToRead = 0;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync break;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync case -EPIPE:

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync rc = drvHostALSAAudioRecover(pThisStrmIn->phPCM);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (RT_FAILURE(rc))

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync break;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync LogFlowFunc(("Recovered from capturing\n"));

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync continue;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync default:

7a26bb8055882cf73ea492e915d08f112dd25aa1vboxsync LogFunc(("Failed to read input frames: %s\n", snd_strerror(cRead)));

7b2cd67e9d38011fddd62967b7e9d26d88a28133vboxsync rc = VERR_GENERAL_FAILURE; /** @todo Fudge! */

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync break;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync else

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync uint32_t cWritten;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync rc = audioMixBufWriteCirc(&pHstStrmIn->MixBuf,

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync pThisStrmIn->pvBuf, AUDIOMIXBUF_S2B(&pHstStrmIn->MixBuf, cRead),

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync &cWritten);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (RT_FAILURE(rc))

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync break;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync uint32_t cbWritten = AUDIOMIXBUF_S2B(&pHstStrmIn->MixBuf, cWritten);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync Assert(cbToRead >= cbWritten);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync cbToRead -= cbWritten;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync cWrittenTotal += cWritten;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (RT_SUCCESS(rc))

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync uint32_t cProcessed = 0;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (cWrittenTotal)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync rc = audioMixBufMixToParent(&pHstStrmIn->MixBuf, cWrittenTotal,

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync &cProcessed);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (pcSamplesCaptured)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync *pcSamplesCaptured = cWrittenTotal;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync LogFlowFunc(("cWrittenTotal=%RU32 (%RU32 processed), rc=%Rrc\n",

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync cWrittenTotal, cProcessed, rc));

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync LogFlowFuncLeaveRC(rc);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync return rc;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync}

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsyncstatic DECLCALLBACK(int) drvHostALSAAudioPlayOut(PPDMIHOSTAUDIO pInterface, PPDMAUDIOHSTSTRMOUT pHstStrmOut,

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync uint32_t *pcSamplesPlayed)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync{

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync NOREF(pInterface);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync AssertPtrReturn(pHstStrmOut, VERR_INVALID_POINTER);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync PALSAAUDIOSTREAMOUT pThisStrmOut = (PALSAAUDIOSTREAMOUT)pHstStrmOut;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync int rc = VINF_SUCCESS;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync uint32_t cbReadTotal = 0;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync do

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync snd_pcm_sframes_t cAvail;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync rc = drvHostALSAAudioGetAvail(pThisStrmOut->phPCM, &cAvail);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (RT_FAILURE(rc))

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync LogFunc(("Error getting number of playback frames, rc=%Rrc\n", rc));

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync break;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync size_t cbToRead = RT_MIN(AUDIOMIXBUF_S2B(&pHstStrmOut->MixBuf,

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync cAvail),

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync AUDIOMIXBUF_S2B(&pHstStrmOut->MixBuf,

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync drvAudioHstOutSamplesLive(pHstStrmOut, NULL /* pcStreamsLive */)));

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync LogFlowFunc(("cbToRead=%zu, cbAvail=%zu\n",

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync cbToRead, AUDIOMIXBUF_S2B(&pHstStrmOut->MixBuf, cAvail)));

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync uint32_t cRead, cbRead;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync snd_pcm_sframes_t cWritten;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync while (cbToRead)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync rc = audioMixBufReadCirc(&pHstStrmOut->MixBuf, pThisStrmOut->pvBuf, cbToRead, &cRead);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (RT_FAILURE(rc))

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync break;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync cbRead = AUDIOMIXBUF_S2B(&pHstStrmOut->MixBuf, cRead);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync AssertBreak(cbRead);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync cWritten = snd_pcm_writei(pThisStrmOut->phPCM, pThisStrmOut->pvBuf, cRead);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (cWritten <= 0)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync switch (cWritten)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync case 0:

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync LogFunc(("Failed to write %RI32 frames\n", cRead));

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync rc = VERR_ACCESS_DENIED;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync break;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync case -EPIPE:

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync rc = drvHostALSAAudioRecover(pThisStrmOut->phPCM);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (RT_FAILURE(rc))

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync break;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync LogFlowFunc(("Recovered from playback\n"));

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync continue;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync case -ESTRPIPE:

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync /* Stream was suspended and waiting for a recovery. */

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync rc = drvHostALSAAudioResume(pThisStrmOut->phPCM);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (RT_FAILURE(rc))

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync LogRel(("ALSA: Failed to resume output stream\n"));

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync break;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync LogFlowFunc(("Resumed suspended output stream\n"));

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync continue;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync default:

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync LogFlowFunc(("Failed to write %RI32 output frames, rc=%Rrc\n",

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync cRead, rc));

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync rc = VERR_GENERAL_FAILURE; /** @todo */

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync break;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (RT_FAILURE(rc))

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync break;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync Assert(cbToRead >= cRead);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync cbToRead -= cbRead;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync cbReadTotal += cbRead;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync while (0);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (RT_SUCCESS(rc))

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync uint32_t cReadTotal = AUDIOMIXBUF_B2S(&pHstStrmOut->MixBuf, cbReadTotal);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (cReadTotal)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync audioMixBufFinish(&pHstStrmOut->MixBuf, cReadTotal);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (pcSamplesPlayed)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync *pcSamplesPlayed = cReadTotal;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync LogFlowFunc(("cReadTotal=%RU32 (%RU32 bytes), rc=%Rrc\n",

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync cReadTotal, cbReadTotal, rc));

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync LogFlowFuncLeaveRC(rc);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync return rc;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync}

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsyncstatic DECLCALLBACK(int) drvHostALSAAudioFiniIn(PPDMIHOSTAUDIO pInterface, PPDMAUDIOHSTSTRMIN pHstStrmIn)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync{

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync NOREF(pInterface);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync AssertPtrReturn(pHstStrmIn, VERR_INVALID_POINTER);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync PALSAAUDIOSTREAMIN pThisStrmIn = (PALSAAUDIOSTREAMIN)pHstStrmIn;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync drvHostALSAAudioClose(&pThisStrmIn->phPCM);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (pThisStrmIn->pvBuf)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync RTMemFree(pThisStrmIn->pvBuf);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync pThisStrmIn->pvBuf = NULL;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync return VINF_SUCCESS;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync}

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsyncstatic DECLCALLBACK(int) drvHostALSAAudioFiniOut(PPDMIHOSTAUDIO pInterface, PPDMAUDIOHSTSTRMOUT pHstStrmOut)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync{

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync NOREF(pInterface);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync AssertPtrReturn(pHstStrmOut, VERR_INVALID_POINTER);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync PALSAAUDIOSTREAMOUT pThisStrmOut = (PALSAAUDIOSTREAMOUT)pHstStrmOut;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync drvHostALSAAudioClose(&pThisStrmOut->phPCM);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (pThisStrmOut->pvBuf)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync RTMemFree(pThisStrmOut->pvBuf);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync pThisStrmOut->pvBuf = NULL;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync return VINF_SUCCESS;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync}

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsyncstatic DECLCALLBACK(int) drvHostALSAAudioInitOut(PPDMIHOSTAUDIO pInterface,

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync PPDMAUDIOHSTSTRMOUT pHstStrmOut, PPDMAUDIOSTREAMCFG pCfg,

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync uint32_t *pcSamples)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync{

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync NOREF(pInterface);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync AssertPtrReturn(pHstStrmOut, VERR_INVALID_POINTER);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync AssertPtrReturn(pCfg, VERR_INVALID_POINTER);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync PALSAAUDIOSTREAMOUT pThisStrmOut = (PALSAAUDIOSTREAMOUT)pHstStrmOut;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync snd_pcm_t *phPCM = NULL;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync int rc;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync do

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync ALSAAUDIOSTREAMCFG req;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync req.fmt = drvHostALSAAudioFmtToALSA(pCfg->enmFormat);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync req.freq = pCfg->uHz;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync req.nchannels = pCfg->cChannels;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync req.period_size = s_ALSAConf.period_size_out;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync req.buffer_size = s_ALSAConf.buffer_size_out;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync ALSAAUDIOSTREAMCFG obt;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync rc = drvHostALSAAudioOpen(false /* false */, &req, &obt, &phPCM);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (RT_FAILURE(rc))

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync break;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync PDMAUDIOFMT enmFormat;

10258d88c40d8254a2a0d89e9b6c1f3b487f5c2dvboxsync PDMAUDIOENDIANNESS enmEnd;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync rc = drvHostALSAAudioALSAToFmt(obt.fmt, &enmFormat, &enmEnd);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (RT_FAILURE(rc))

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync break;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync PDMAUDIOSTREAMCFG streamCfg;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync streamCfg.uHz = obt.freq;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync streamCfg.cChannels = obt.nchannels;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync streamCfg.enmFormat = enmFormat;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync streamCfg.enmEndianness = enmEnd;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync rc = drvAudioStreamCfgToProps(&streamCfg, &pHstStrmOut->Props);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (RT_FAILURE(rc))

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync break;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync AssertBreakStmt(obt.samples, rc = VERR_INVALID_PARAMETER);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync size_t cbBuf = obt.samples * (1 << pHstStrmOut->Props.cShift);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync AssertBreakStmt(cbBuf, rc = VERR_INVALID_PARAMETER);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync pThisStrmOut->pvBuf = RTMemAlloc(cbBuf);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (!pThisStrmOut->pvBuf)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync LogRel(("ALSA: Not enough memory for output DAC buffer (%RU32 samples, each %d bytes)\n",

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync obt.samples, 1 << pHstStrmOut->Props.cShift));

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync rc = VERR_NO_MEMORY;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync break;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync pThisStrmOut->cbBuf = cbBuf;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync pThisStrmOut->phPCM = phPCM;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (pcSamples)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync *pcSamples = obt.samples;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync while (0);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (RT_FAILURE(rc))

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync drvHostALSAAudioClose(&phPCM);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync LogFlowFuncLeaveRC(rc);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync return rc;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync}

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsyncstatic DECLCALLBACK(int) drvHostALSAAudioInitIn(PPDMIHOSTAUDIO pInterface,

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync PPDMAUDIOHSTSTRMIN pHstStrmIn, PPDMAUDIOSTREAMCFG pCfg,

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync PDMAUDIORECSOURCE enmRecSource,

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync uint32_t *pcSamples)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync{

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync NOREF(pInterface);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync AssertPtrReturn(pHstStrmIn, VERR_INVALID_POINTER);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync AssertPtrReturn(pCfg, VERR_INVALID_POINTER);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync int rc;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync PALSAAUDIOSTREAMIN pThisStrmIn = (PALSAAUDIOSTREAMIN)pHstStrmIn;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync snd_pcm_t *phPCM = NULL;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync do

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync ALSAAUDIOSTREAMCFG req;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync req.fmt = drvHostALSAAudioFmtToALSA(pCfg->enmFormat);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync req.freq = pCfg->uHz;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync req.nchannels = pCfg->cChannels;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync req.period_size = s_ALSAConf.period_size_in;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync req.buffer_size = s_ALSAConf.buffer_size_in;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync ALSAAUDIOSTREAMCFG obt;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync rc = drvHostALSAAudioOpen(true /* fIn */, &req, &obt, &phPCM);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (RT_FAILURE(rc))

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync break;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync PDMAUDIOFMT enmFormat;

10258d88c40d8254a2a0d89e9b6c1f3b487f5c2dvboxsync PDMAUDIOENDIANNESS enmEnd;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync rc = drvHostALSAAudioALSAToFmt(obt.fmt, &enmFormat, &enmEnd);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (RT_FAILURE(rc))

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync break;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync PDMAUDIOSTREAMCFG streamCfg;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync streamCfg.uHz = obt.freq;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync streamCfg.cChannels = obt.nchannels;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync streamCfg.enmFormat = enmFormat;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync streamCfg.enmEndianness = enmEnd;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync rc = drvAudioStreamCfgToProps(&streamCfg, &pHstStrmIn->Props);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (RT_FAILURE(rc))

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync break;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync AssertBreakStmt(obt.samples, rc = VERR_INVALID_PARAMETER);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync size_t cbBuf = obt.samples * (1 << pHstStrmIn->Props.cShift);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync AssertBreakStmt(cbBuf, rc = VERR_INVALID_PARAMETER);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync pThisStrmIn->pvBuf = RTMemAlloc(cbBuf);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (!pThisStrmIn->pvBuf)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync LogRel(("ALSA: Not enough memory for input ADC buffer (%RU32 samples, each %d bytes)\n",

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync obt.samples, 1 << pHstStrmIn->Props.cShift));

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync rc = VERR_NO_MEMORY;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync break;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync pThisStrmIn->cbBuf = cbBuf;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync pThisStrmIn->phPCM = phPCM;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (pcSamples)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync *pcSamples = obt.samples;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync while (0);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync if (RT_FAILURE(rc))

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync drvHostALSAAudioClose(&phPCM);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync LogFlowFuncLeaveRC(rc);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync return rc;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync}

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsyncstatic DECLCALLBACK(bool) drvHostALSAAudioIsEnabled(PPDMIHOSTAUDIO pInterface, PDMAUDIODIR enmDir)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync{

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync NOREF(pInterface);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync NOREF(enmDir);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync return true; /* Always all enabled. */

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync}

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsyncstatic DECLCALLBACK(int) drvHostALSAAudioControlIn(PPDMIHOSTAUDIO pInterface, PPDMAUDIOHSTSTRMIN pHstStrmIn,

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync PDMAUDIOSTREAMCMD enmStreamCmd)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync{

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync NOREF(pInterface);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync AssertPtrReturn(pHstStrmIn, VERR_INVALID_POINTER);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync PALSAAUDIOSTREAMIN pThisStrmIn = (PALSAAUDIOSTREAMIN)pHstStrmIn;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync LogFlowFunc(("enmStreamCmd=%ld\n", enmStreamCmd));

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync int rc;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync switch (enmStreamCmd)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync case PDMAUDIOSTREAMCMD_ENABLE:

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync rc = drvHostALSAAudioStreamCtl(pThisStrmIn->phPCM, false /* fStop */);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync break;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync case PDMAUDIOSTREAMCMD_DISABLE:

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync rc = drvHostALSAAudioStreamCtl(pThisStrmIn->phPCM, true /* fStop */);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync break;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync default:

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync AssertMsgFailed(("Invalid command %ld\n", enmStreamCmd));

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync rc = VERR_INVALID_PARAMETER;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync break;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync return rc;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync}

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsyncstatic DECLCALLBACK(int) drvHostALSAAudioControlOut(PPDMIHOSTAUDIO pInterface, PPDMAUDIOHSTSTRMOUT pHstStrmOut,

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync PDMAUDIOSTREAMCMD enmStreamCmd)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync{

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync NOREF(pInterface);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync AssertPtrReturn(pHstStrmOut, VERR_INVALID_POINTER);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync PALSAAUDIOSTREAMOUT pThisStrmOut = (PALSAAUDIOSTREAMOUT)pHstStrmOut;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync LogFlowFunc(("enmStreamCmd=%ld\n", enmStreamCmd));

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync int rc;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync switch (enmStreamCmd)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync {

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync case PDMAUDIOSTREAMCMD_ENABLE:

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync rc = drvHostALSAAudioStreamCtl(pThisStrmOut->phPCM, false /* fStop */);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync break;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync case PDMAUDIOSTREAMCMD_DISABLE:

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync rc = drvHostALSAAudioStreamCtl(pThisStrmOut->phPCM, true /* fStop */);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync break;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync default:

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync AssertMsgFailed(("Invalid command %ld\n", enmStreamCmd));

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync rc = VERR_INVALID_PARAMETER;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync break;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync }

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync return rc;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync}

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsyncstatic DECLCALLBACK(int) drvHostALSAAudioGetConf(PPDMIHOSTAUDIO pInterface, PPDMAUDIOBACKENDCFG pCfg)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync{

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync NOREF(pInterface);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync AssertPtrReturn(pCfg, VERR_INVALID_POINTER);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync pCfg->cbStreamOut = sizeof(ALSAAUDIOSTREAMOUT);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync pCfg->cbStreamIn = sizeof(ALSAAUDIOSTREAMIN);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync pCfg->cMaxHstStrmsOut = INT_MAX;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync pCfg->cMaxHstStrmsIn = INT_MAX;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync return VINF_SUCCESS;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync}

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

1705f7565ed8533058b8541d72d6c5d4453de00fvboxsyncstatic DECLCALLBACK(void) drvHostALSAAudioShutdown(PPDMIHOSTAUDIO pInterface)

1705f7565ed8533058b8541d72d6c5d4453de00fvboxsync{

1705f7565ed8533058b8541d72d6c5d4453de00fvboxsync NOREF(pInterface);

1705f7565ed8533058b8541d72d6c5d4453de00fvboxsync}

1705f7565ed8533058b8541d72d6c5d4453de00fvboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsyncstatic DECLCALLBACK(void *) drvHostALSAAudioQueryInterface(PPDMIBASE pInterface, const char *pszIID)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync{

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync PPDMDRVINS pDrvIns = PDMIBASE_2_PDMDRV(pInterface);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync PDRVHOSTALSAAUDIO pThis = PDMINS_2_DATA(pDrvIns, PDRVHOSTALSAAUDIO);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync PDMIBASE_RETURN_INTERFACE(pszIID, PDMIBASE, &pDrvIns->IBase);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync PDMIBASE_RETURN_INTERFACE(pszIID, PDMIHOSTAUDIO, &pThis->IHostAudio);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync return NULL;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync}

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsyncstatic DECLCALLBACK(int) drvHostAlsaAudioConstruct(PPDMDRVINS pDrvIns, PCFGMNODE pCfg, uint32_t fFlags)

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync{

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync PDRVHOSTALSAAUDIO pThis = PDMINS_2_DATA(pDrvIns, PDRVHOSTALSAAUDIO);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync LogRel(("Audio: Initializing ALSA driver\n"));

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync /*

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync pThis->pDrvIns = pDrvIns;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync /* IBase */

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync pDrvIns->IBase.pfnQueryInterface = drvHostALSAAudioQueryInterface;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync /* IHostAudio */

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync PDMAUDIO_IHOSTAUDIO_CALLBACKS(drvHostALSAAudio);

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync return VINF_SUCCESS;

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync}

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsyncconst PDMDRVREG g_DrvHostALSAAudio =

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync{

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync /* u32Version */

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync PDM_DRVREG_VERSION,

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync /* szName */

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync "ALSAAudio",

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync /* szRCMod */

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync "",

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync /* szR0Mod */

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync "",

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync /* pszDescription */

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync "ALSA host audio driver",

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync /* fFlags */

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync PDM_DRVREG_FLAGS_HOST_BITS_DEFAULT,

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync /* fClass. */

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync PDM_DRVREG_CLASS_AUDIO,

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync /* cMaxInstances */

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync ~0U,

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync /* cbInstance */

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync sizeof(DRVHOSTALSAAUDIO),

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync /* pfnConstruct */

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync drvHostAlsaAudioConstruct,

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync /* pfnDestruct */

1705f7565ed8533058b8541d72d6c5d4453de00fvboxsync NULL,

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync /* pfnRelocate */

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync NULL,

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync /* pfnIOCtl */

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync NULL,

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync /* pfnPowerOn */

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync NULL,

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync /* pfnReset */

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync NULL,

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync /* pfnSuspend */

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync NULL,

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync /* pfnResume */

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync NULL,

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync /* pfnAttach */

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync NULL,

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync /* pfnDetach */

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync NULL,

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync /* pfnPowerOff */

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync NULL,

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync /* pfnSoftReset */

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync NULL,

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync /* u32EndVersion */

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync PDM_DRVREG_VERSION

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync};

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsyncstatic struct audio_option alsa_options[] =

7da9e7e719adde3baba3f6fa1d0bcfb170cf9911vboxsync{