ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync#include <iprt/alloc.h>

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync#include <iprt/uuid.h> /* For PDMIBASE_2_PDMDRV. */

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync#include <VBox/vmm/pdmaudioifs.h>

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

8112e0942f1128329b99b22a20b395963d4abceavboxsync #include "alsa_stubs.h"

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync #include "alsa_mangling.h"

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync#include <alsa/asoundlib.h>

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync#include "DrvAudio.h"

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync#include "AudioMixBuffer.h"

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync#include "VBoxDD.h"

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync#include "vl_vbox.h"

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync#ifdef LOG_GROUP

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync# undef LOG_GROUP

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync#endif

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync#define LOG_GROUP LOG_GROUP_DEV_AUDIO

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync#include <VBox/log.h>

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsynctypedef struct ALSAAUDIOSTREAMIN

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync{

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync PDMAUDIOHSTSTRMIN pStreamIn;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync snd_pcm_t *phPCM;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync void *pvBuf;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync size_t cbBuf;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync} ALSAAUDIOSTREAMIN, *PALSAAUDIOSTREAMIN;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsynctypedef struct ALSAAUDIOSTREAMOUT

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync{

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync PDMAUDIOHSTSTRMOUT pStreamOut;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync snd_pcm_t *phPCM;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync void *pvBuf;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync size_t cbBuf;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync} ALSAAUDIOSTREAMOUT, *PALSAAUDIOSTREAMOUT;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsynctypedef struct ALSAAUDIOCFG

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync{

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync int size_in_usec_in;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync int size_in_usec_out;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync const char *pcm_name_in;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync const char *pcm_name_out;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync unsigned int buffer_size_in;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync unsigned int period_size_in;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync unsigned int buffer_size_out;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync unsigned int period_size_out;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync unsigned int threshold;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync int buffer_size_in_overriden;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync int period_size_in_overriden;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync int buffer_size_out_overriden;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync int period_size_out_overriden;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync} ALSAAUDIOCFG, *PALSAAUDIOCFG;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsyncstatic int drvHostALSAAudioRecover(snd_pcm_t *phPCM);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsyncstatic ALSAAUDIOCFG s_ALSAConf =

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync{

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync#ifdef HIGH_LATENCY

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync 1,

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync 1,

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync#else

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync 0,

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync 0,

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync#endif

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync "default",

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync "default",

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync#ifdef HIGH_LATENCY

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync 400000,

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync 400000 / 4,

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync 400000,

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync 400000 / 4,

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync#else

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync# define DEFAULT_BUFFER_SIZE 1024

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync# define DEFAULT_PERIOD_SIZE 256

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync DEFAULT_BUFFER_SIZE * 4,

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync DEFAULT_PERIOD_SIZE * 4,

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync DEFAULT_BUFFER_SIZE,

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync DEFAULT_PERIOD_SIZE,

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync#endif

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync 0,

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync 0,

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync 0,

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync 0,

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync 0

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync};

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsynctypedef struct DRVHOSTALSAAUDIO

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync{

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync /** Pointer to the driver instance structure. */

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync PPDMDRVINS pDrvIns;

8112e0942f1128329b99b22a20b395963d4abceavboxsync /** Pointer to host audio interface. */

8112e0942f1128329b99b22a20b395963d4abceavboxsync PDMIHOSTAUDIO IHostAudio;

8112e0942f1128329b99b22a20b395963d4abceavboxsync /** Error count for not flooding the release log.

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync uint32_t cLogErrors;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync} DRVHOSTALSAAUDIO, *PDRVHOSTALSAAUDIO;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsynctypedef struct ALSAAUDIOSTREAMCFG

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync{

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync unsigned int freq;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync snd_pcm_format_t fmt;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync int nchannels;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync unsigned long buffer_size;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync unsigned long period_size;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync snd_pcm_uframes_t samples;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync} ALSAAUDIOSTREAMCFG, *PALSAAUDIOSTREAMCFG;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsyncstatic int drvHostALSAAudioClose(snd_pcm_t **pphPCM)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync{

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync if (!pphPCM || !*pphPCM)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync return VINF_SUCCESS;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync int rc;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync int rc2 = snd_pcm_close(*pphPCM);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync if (rc2)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync {

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync LogRel(("ALSA: Closing PCM descriptor failed: %s\n",

8112e0942f1128329b99b22a20b395963d4abceavboxsync snd_strerror(rc2)));

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync rc = VERR_GENERAL_FAILURE; /** @todo */

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync }

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync else

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync {

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync *pphPCM = NULL;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync rc = VINF_SUCCESS;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync }

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync return rc;

8112e0942f1128329b99b22a20b395963d4abceavboxsync}

8112e0942f1128329b99b22a20b395963d4abceavboxsync

8112e0942f1128329b99b22a20b395963d4abceavboxsyncstatic snd_pcm_format_t drvHostALSAAudioFmtToALSA(PDMAUDIOFMT fmt)

8112e0942f1128329b99b22a20b395963d4abceavboxsync{

8112e0942f1128329b99b22a20b395963d4abceavboxsync switch (fmt)

8112e0942f1128329b99b22a20b395963d4abceavboxsync {

0e3950d85821ff3f0f9191f7bf0efe7b3510a808vboxsync case AUD_FMT_S8:

0e3950d85821ff3f0f9191f7bf0efe7b3510a808vboxsync return SND_PCM_FORMAT_S8;

8112e0942f1128329b99b22a20b395963d4abceavboxsync

8112e0942f1128329b99b22a20b395963d4abceavboxsync case AUD_FMT_U8:

8112e0942f1128329b99b22a20b395963d4abceavboxsync return SND_PCM_FORMAT_U8;

8112e0942f1128329b99b22a20b395963d4abceavboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync case AUD_FMT_S16:

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync return SND_PCM_FORMAT_S16_LE;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync case AUD_FMT_U16:

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync return SND_PCM_FORMAT_U16_LE;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

8112e0942f1128329b99b22a20b395963d4abceavboxsync case AUD_FMT_S32:

8112e0942f1128329b99b22a20b395963d4abceavboxsync return SND_PCM_FORMAT_S32_LE;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync case AUD_FMT_U32:

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync return SND_PCM_FORMAT_U32_LE;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync default:

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync break;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync }

8112e0942f1128329b99b22a20b395963d4abceavboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync AssertMsgFailed(("Format %ld not supported\n", fmt));

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync return SND_PCM_FORMAT_U8;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync}

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsyncstatic int drvHostALSAAudioALSAToFmt(snd_pcm_format_t fmt,

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync PDMAUDIOFMT *pFmt, PDMAUDIOENDIANESS *pEndianness)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync{

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync AssertPtrReturn(pFmt, VERR_INVALID_POINTER);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync /* pEndianness is optional. */

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync switch (fmt)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync {

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync case SND_PCM_FORMAT_S8:

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync *pFmt = AUD_FMT_S8;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync if (pEndianness)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync *pEndianness = PDMAUDIOENDIANESS_LITTLE;

8112e0942f1128329b99b22a20b395963d4abceavboxsync break;

8112e0942f1128329b99b22a20b395963d4abceavboxsync

8112e0942f1128329b99b22a20b395963d4abceavboxsync case SND_PCM_FORMAT_U8:

8112e0942f1128329b99b22a20b395963d4abceavboxsync *pFmt = AUD_FMT_U8;

8112e0942f1128329b99b22a20b395963d4abceavboxsync if (pEndianness)

8112e0942f1128329b99b22a20b395963d4abceavboxsync *pEndianness = PDMAUDIOENDIANESS_LITTLE;

8112e0942f1128329b99b22a20b395963d4abceavboxsync break;

8112e0942f1128329b99b22a20b395963d4abceavboxsync

8112e0942f1128329b99b22a20b395963d4abceavboxsync case SND_PCM_FORMAT_S16_LE:

8112e0942f1128329b99b22a20b395963d4abceavboxsync *pFmt = AUD_FMT_S16;

8112e0942f1128329b99b22a20b395963d4abceavboxsync if (pEndianness)

8112e0942f1128329b99b22a20b395963d4abceavboxsync *pEndianness = PDMAUDIOENDIANESS_LITTLE;

8112e0942f1128329b99b22a20b395963d4abceavboxsync break;

8112e0942f1128329b99b22a20b395963d4abceavboxsync

8112e0942f1128329b99b22a20b395963d4abceavboxsync case SND_PCM_FORMAT_U16_LE:

8112e0942f1128329b99b22a20b395963d4abceavboxsync *pFmt = AUD_FMT_U16;

8112e0942f1128329b99b22a20b395963d4abceavboxsync if (pEndianness)

8112e0942f1128329b99b22a20b395963d4abceavboxsync *pEndianness = PDMAUDIOENDIANESS_LITTLE;

8112e0942f1128329b99b22a20b395963d4abceavboxsync break;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync case SND_PCM_FORMAT_S16_BE:

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync *pFmt = AUD_FMT_S16;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync if (pEndianness)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync *pEndianness = PDMAUDIOENDIANESS_BIG;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync break;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync case SND_PCM_FORMAT_U16_BE:

500d759609a43a472c7a29b58f3479ed319a5a76vboxsync *pFmt = AUD_FMT_U16;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync if (pEndianness)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync *pEndianness = PDMAUDIOENDIANESS_BIG;

500d759609a43a472c7a29b58f3479ed319a5a76vboxsync break;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync case SND_PCM_FORMAT_S32_LE:

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync *pFmt = AUD_FMT_S32;

500d759609a43a472c7a29b58f3479ed319a5a76vboxsync if (pEndianness)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync *pEndianness = PDMAUDIOENDIANESS_LITTLE;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync break;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync case SND_PCM_FORMAT_U32_LE:

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync *pFmt = AUD_FMT_U32;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync if (pEndianness)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync *pEndianness = PDMAUDIOENDIANESS_LITTLE;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync break;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync case SND_PCM_FORMAT_S32_BE:

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync *pFmt = AUD_FMT_S32;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync if (pEndianness)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync *pEndianness = PDMAUDIOENDIANESS_BIG;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync break;

8112e0942f1128329b99b22a20b395963d4abceavboxsync

0e3950d85821ff3f0f9191f7bf0efe7b3510a808vboxsync case SND_PCM_FORMAT_U32_BE:

0e3950d85821ff3f0f9191f7bf0efe7b3510a808vboxsync *pFmt = AUD_FMT_U32;

0e3950d85821ff3f0f9191f7bf0efe7b3510a808vboxsync if (pEndianness)

0e3950d85821ff3f0f9191f7bf0efe7b3510a808vboxsync *pEndianness = PDMAUDIOENDIANESS_BIG;

0e3950d85821ff3f0f9191f7bf0efe7b3510a808vboxsync break;

0e3950d85821ff3f0f9191f7bf0efe7b3510a808vboxsync

8112e0942f1128329b99b22a20b395963d4abceavboxsync default:

8112e0942f1128329b99b22a20b395963d4abceavboxsync AssertMsgFailed(("Format %ld not supported\n", fmt));

8112e0942f1128329b99b22a20b395963d4abceavboxsync return VERR_NOT_SUPPORTED;

8112e0942f1128329b99b22a20b395963d4abceavboxsync }

8112e0942f1128329b99b22a20b395963d4abceavboxsync

8112e0942f1128329b99b22a20b395963d4abceavboxsync return VINF_SUCCESS;

8112e0942f1128329b99b22a20b395963d4abceavboxsync}

8112e0942f1128329b99b22a20b395963d4abceavboxsync

8112e0942f1128329b99b22a20b395963d4abceavboxsyncstatic int drvHostALSAAudioALSAGetShift(snd_pcm_format_t fmt, unsigned *puShift)

500d759609a43a472c7a29b58f3479ed319a5a76vboxsync{

8112e0942f1128329b99b22a20b395963d4abceavboxsync AssertPtrReturn(puShift, VERR_INVALID_POINTER);

8112e0942f1128329b99b22a20b395963d4abceavboxsync

500d759609a43a472c7a29b58f3479ed319a5a76vboxsync switch (fmt)

8112e0942f1128329b99b22a20b395963d4abceavboxsync {

8112e0942f1128329b99b22a20b395963d4abceavboxsync case SND_PCM_FORMAT_S8:

8112e0942f1128329b99b22a20b395963d4abceavboxsync case SND_PCM_FORMAT_U8:

500d759609a43a472c7a29b58f3479ed319a5a76vboxsync *puShift = 0;

8112e0942f1128329b99b22a20b395963d4abceavboxsync break;

0e3950d85821ff3f0f9191f7bf0efe7b3510a808vboxsync

0e3950d85821ff3f0f9191f7bf0efe7b3510a808vboxsync case SND_PCM_FORMAT_S16_LE:

0e3950d85821ff3f0f9191f7bf0efe7b3510a808vboxsync case SND_PCM_FORMAT_U16_LE:

0e3950d85821ff3f0f9191f7bf0efe7b3510a808vboxsync case SND_PCM_FORMAT_S16_BE:

0e3950d85821ff3f0f9191f7bf0efe7b3510a808vboxsync case SND_PCM_FORMAT_U16_BE:

0e3950d85821ff3f0f9191f7bf0efe7b3510a808vboxsync *puShift = 1;

0e3950d85821ff3f0f9191f7bf0efe7b3510a808vboxsync break;

0e3950d85821ff3f0f9191f7bf0efe7b3510a808vboxsync

0e3950d85821ff3f0f9191f7bf0efe7b3510a808vboxsync case SND_PCM_FORMAT_S32_LE:

0e3950d85821ff3f0f9191f7bf0efe7b3510a808vboxsync case SND_PCM_FORMAT_U32_LE:

0e3950d85821ff3f0f9191f7bf0efe7b3510a808vboxsync case SND_PCM_FORMAT_S32_BE:

0e3950d85821ff3f0f9191f7bf0efe7b3510a808vboxsync case SND_PCM_FORMAT_U32_BE:

0e3950d85821ff3f0f9191f7bf0efe7b3510a808vboxsync *puShift = 2;

0e3950d85821ff3f0f9191f7bf0efe7b3510a808vboxsync break;

0e3950d85821ff3f0f9191f7bf0efe7b3510a808vboxsync

0e3950d85821ff3f0f9191f7bf0efe7b3510a808vboxsync default:

0e3950d85821ff3f0f9191f7bf0efe7b3510a808vboxsync AssertMsgFailed(("Format %ld not supported\n", fmt));

8112e0942f1128329b99b22a20b395963d4abceavboxsync return VERR_NOT_SUPPORTED;

8112e0942f1128329b99b22a20b395963d4abceavboxsync }

8112e0942f1128329b99b22a20b395963d4abceavboxsync

8112e0942f1128329b99b22a20b395963d4abceavboxsync return VINF_SUCCESS;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync}

8112e0942f1128329b99b22a20b395963d4abceavboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsyncstatic int drvHostALSAAudioSetThreshold(snd_pcm_t *phPCM,

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync snd_pcm_uframes_t threshold)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync{

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync snd_pcm_sw_params_t *pSWParms = NULL;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync snd_pcm_sw_params_alloca(&pSWParms);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync if (!pSWParms)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync return VERR_NO_MEMORY;

8112e0942f1128329b99b22a20b395963d4abceavboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync int rc;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync do

8112e0942f1128329b99b22a20b395963d4abceavboxsync {

8112e0942f1128329b99b22a20b395963d4abceavboxsync int err = snd_pcm_sw_params_current(phPCM, pSWParms);

8112e0942f1128329b99b22a20b395963d4abceavboxsync if (err < 0)

8112e0942f1128329b99b22a20b395963d4abceavboxsync {

8112e0942f1128329b99b22a20b395963d4abceavboxsync LogRel(("ALSA: Failed to get current software parameters for threshold: %s\n",

8112e0942f1128329b99b22a20b395963d4abceavboxsync snd_strerror(err)));

8112e0942f1128329b99b22a20b395963d4abceavboxsync rc = VERR_ACCESS_DENIED;

8112e0942f1128329b99b22a20b395963d4abceavboxsync break;

8112e0942f1128329b99b22a20b395963d4abceavboxsync }

8112e0942f1128329b99b22a20b395963d4abceavboxsync

8112e0942f1128329b99b22a20b395963d4abceavboxsync err = snd_pcm_sw_params_set_start_threshold(phPCM, pSWParms, threshold);

8112e0942f1128329b99b22a20b395963d4abceavboxsync if (err < 0)

8112e0942f1128329b99b22a20b395963d4abceavboxsync {

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync LogRel(("ALSA: Failed to set software threshold to %ld: %s\n",

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync threshold, snd_strerror(err)));

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync rc = VERR_ACCESS_DENIED;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync break;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync }

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync err = snd_pcm_sw_params(phPCM, pSWParms);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync if (err < 0)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync {

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync LogRel(("ALSA: Failed to set new software parameters for threshold: %s\n",

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync snd_strerror(err)));

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync rc = VERR_ACCESS_DENIED;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync break;

8112e0942f1128329b99b22a20b395963d4abceavboxsync }

8112e0942f1128329b99b22a20b395963d4abceavboxsync

8112e0942f1128329b99b22a20b395963d4abceavboxsync LogFlowFunc(("Setting threshold to %RU32\n", threshold));

8112e0942f1128329b99b22a20b395963d4abceavboxsync rc = VINF_SUCCESS;

8112e0942f1128329b99b22a20b395963d4abceavboxsync }

8112e0942f1128329b99b22a20b395963d4abceavboxsync while (0);

8112e0942f1128329b99b22a20b395963d4abceavboxsync

8112e0942f1128329b99b22a20b395963d4abceavboxsync return rc;

8112e0942f1128329b99b22a20b395963d4abceavboxsync}

8112e0942f1128329b99b22a20b395963d4abceavboxsync

8112e0942f1128329b99b22a20b395963d4abceavboxsyncstatic int drvHostALSAAudioOpen(bool fIn,

8112e0942f1128329b99b22a20b395963d4abceavboxsync PALSAAUDIOSTREAMCFG pCfgReq,

8112e0942f1128329b99b22a20b395963d4abceavboxsync PALSAAUDIOSTREAMCFG pCfgObt,

8112e0942f1128329b99b22a20b395963d4abceavboxsync snd_pcm_t **pphPCM)

1a1433dbc5e55f83cbcde6aa9f045c2dc7eeb9e7vboxsync{

1a1433dbc5e55f83cbcde6aa9f045c2dc7eeb9e7vboxsync snd_pcm_t *phPCM = NULL;

8112e0942f1128329b99b22a20b395963d4abceavboxsync int rc;

8112e0942f1128329b99b22a20b395963d4abceavboxsync

8112e0942f1128329b99b22a20b395963d4abceavboxsync unsigned int cChannels = pCfgReq->nchannels;

8112e0942f1128329b99b22a20b395963d4abceavboxsync unsigned int uFreq = pCfgReq->freq;

8112e0942f1128329b99b22a20b395963d4abceavboxsync snd_pcm_uframes_t obt_buffer_size;

8112e0942f1128329b99b22a20b395963d4abceavboxsync

8112e0942f1128329b99b22a20b395963d4abceavboxsync do

8112e0942f1128329b99b22a20b395963d4abceavboxsync {

8112e0942f1128329b99b22a20b395963d4abceavboxsync const char *pszDev = fIn ? s_ALSAConf.pcm_name_in : s_ALSAConf.pcm_name_out;

8112e0942f1128329b99b22a20b395963d4abceavboxsync if (!pszDev)

8112e0942f1128329b99b22a20b395963d4abceavboxsync {

8112e0942f1128329b99b22a20b395963d4abceavboxsync LogRel(("ALSA: Invalid or no %s device name set\n",

8112e0942f1128329b99b22a20b395963d4abceavboxsync fIn ? "input" : "output"));

8112e0942f1128329b99b22a20b395963d4abceavboxsync rc = VERR_INVALID_PARAMETER;

8112e0942f1128329b99b22a20b395963d4abceavboxsync break;

8112e0942f1128329b99b22a20b395963d4abceavboxsync }

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync int err = snd_pcm_open(&phPCM, pszDev,

8112e0942f1128329b99b22a20b395963d4abceavboxsync fIn ? SND_PCM_STREAM_CAPTURE : SND_PCM_STREAM_PLAYBACK,

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync SND_PCM_NONBLOCK);

8112e0942f1128329b99b22a20b395963d4abceavboxsync if (err < 0)

8112e0942f1128329b99b22a20b395963d4abceavboxsync {

8112e0942f1128329b99b22a20b395963d4abceavboxsync LogRel(("ALSA: Failed to open \"%s\" as %s: %s\n", pszDev,

8112e0942f1128329b99b22a20b395963d4abceavboxsync fIn ? "ADC" : "DAC", snd_strerror(err)));

8112e0942f1128329b99b22a20b395963d4abceavboxsync rc = VERR_GENERAL_FAILURE; /** @todo Find a better rc. */

8112e0942f1128329b99b22a20b395963d4abceavboxsync break;

8112e0942f1128329b99b22a20b395963d4abceavboxsync }

8112e0942f1128329b99b22a20b395963d4abceavboxsync

8112e0942f1128329b99b22a20b395963d4abceavboxsync snd_pcm_hw_params_t *pHWParms;

8112e0942f1128329b99b22a20b395963d4abceavboxsync snd_pcm_hw_params_alloca(&pHWParms); /** @todo Check for successful allocation? */

8112e0942f1128329b99b22a20b395963d4abceavboxsync err = snd_pcm_hw_params_any(phPCM, pHWParms);

8112e0942f1128329b99b22a20b395963d4abceavboxsync if (err < 0)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync {

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync LogRel(("ALSA: Failed to initialize hardware parameters: %s\n",

8112e0942f1128329b99b22a20b395963d4abceavboxsync snd_strerror(err)));

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync rc = VERR_GENERAL_FAILURE; /** @todo Find a better rc. */

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync break;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync }

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync err = snd_pcm_hw_params_set_access(phPCM, pHWParms,

8112e0942f1128329b99b22a20b395963d4abceavboxsync SND_PCM_ACCESS_RW_INTERLEAVED);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync if (err < 0)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync {

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync LogRel(("ALSA: Failed to set access type: %s\n", snd_strerror(err)));

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync rc = VERR_GENERAL_FAILURE; /** @todo Find a better rc. */

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync break;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync }

8112e0942f1128329b99b22a20b395963d4abceavboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync err = snd_pcm_hw_params_set_format(phPCM, pHWParms, pCfgReq->fmt);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync if (err < 0)

8112e0942f1128329b99b22a20b395963d4abceavboxsync {

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync LogRel(("ALSA: Failed to set audio format to %d: %s\n",

8112e0942f1128329b99b22a20b395963d4abceavboxsync pCfgReq->fmt, snd_strerror(err)));

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync rc = VERR_GENERAL_FAILURE; /** @todo Find a better rc. */

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync break;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync }

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync err = snd_pcm_hw_params_set_rate_near(phPCM, pHWParms, &uFreq, 0);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync if (err < 0)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync {

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync LogRel(("ALSA: Failed to set frequency to %dHz: %s\n",

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync pCfgReq->freq, snd_strerror(err)));

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync rc = VERR_GENERAL_FAILURE; /** @todo Find a better rc. */

8112e0942f1128329b99b22a20b395963d4abceavboxsync break;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync }

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync err = snd_pcm_hw_params_set_channels_near(phPCM, pHWParms, &cChannels);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync if (err < 0)

8112e0942f1128329b99b22a20b395963d4abceavboxsync {

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync LogRel(("ALSA: Failed to set number of channels to %d\n", pCfgReq->nchannels));

8112e0942f1128329b99b22a20b395963d4abceavboxsync rc = VERR_GENERAL_FAILURE; /** @todo Find a better rc. */

8112e0942f1128329b99b22a20b395963d4abceavboxsync break;

8112e0942f1128329b99b22a20b395963d4abceavboxsync }

8112e0942f1128329b99b22a20b395963d4abceavboxsync

8112e0942f1128329b99b22a20b395963d4abceavboxsync if ( cChannels != 1

8112e0942f1128329b99b22a20b395963d4abceavboxsync && cChannels != 2)

8112e0942f1128329b99b22a20b395963d4abceavboxsync {

8112e0942f1128329b99b22a20b395963d4abceavboxsync LogRel(("ALSA: Number of audio channels (%u) not supported\n", cChannels));

8112e0942f1128329b99b22a20b395963d4abceavboxsync rc = VERR_GENERAL_FAILURE; /** @todo Find a better rc. */

8112e0942f1128329b99b22a20b395963d4abceavboxsync break;

8112e0942f1128329b99b22a20b395963d4abceavboxsync }

8112e0942f1128329b99b22a20b395963d4abceavboxsync

8112e0942f1128329b99b22a20b395963d4abceavboxsync unsigned int period_size = pCfgReq->period_size;

8112e0942f1128329b99b22a20b395963d4abceavboxsync unsigned int buffer_size = pCfgReq->buffer_size;

8112e0942f1128329b99b22a20b395963d4abceavboxsync

8112e0942f1128329b99b22a20b395963d4abceavboxsync if ( !((fIn && s_ALSAConf.size_in_usec_in)

8112e0942f1128329b99b22a20b395963d4abceavboxsync || (!fIn && s_ALSAConf.size_in_usec_out)))

8112e0942f1128329b99b22a20b395963d4abceavboxsync {

8112e0942f1128329b99b22a20b395963d4abceavboxsync if (!buffer_size)

8112e0942f1128329b99b22a20b395963d4abceavboxsync {

8112e0942f1128329b99b22a20b395963d4abceavboxsync buffer_size = DEFAULT_BUFFER_SIZE;

8112e0942f1128329b99b22a20b395963d4abceavboxsync period_size = DEFAULT_PERIOD_SIZE;

8112e0942f1128329b99b22a20b395963d4abceavboxsync }

8112e0942f1128329b99b22a20b395963d4abceavboxsync }

8112e0942f1128329b99b22a20b395963d4abceavboxsync

8112e0942f1128329b99b22a20b395963d4abceavboxsync if (buffer_size)

8112e0942f1128329b99b22a20b395963d4abceavboxsync {

8112e0942f1128329b99b22a20b395963d4abceavboxsync if ( ( fIn && s_ALSAConf.size_in_usec_in)

8112e0942f1128329b99b22a20b395963d4abceavboxsync || (!fIn && s_ALSAConf.size_in_usec_out))

8112e0942f1128329b99b22a20b395963d4abceavboxsync {

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync if (period_size)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync {

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync err = snd_pcm_hw_params_set_period_time_near(phPCM, pHWParms,

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync &period_size, 0);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync if (err < 0)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync {

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync LogRel(("ALSA: Failed to set period time %d\n", pCfgReq->period_size));

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync rc = VERR_GENERAL_FAILURE; /** @todo Find a better rc. */

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync break;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync }

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync }

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync err = snd_pcm_hw_params_set_buffer_time_near(phPCM, pHWParms,

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync &buffer_size, 0);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync if (err < 0)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync {

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync LogRel(("ALSA: Failed to set buffer time %d\n", pCfgReq->buffer_size));

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync rc = VERR_GENERAL_FAILURE; /** @todo Find a better rc. */

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync break;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync }

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync }

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync else

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync {

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync snd_pcm_uframes_t period_size_f = (snd_pcm_uframes_t)period_size;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync snd_pcm_uframes_t buffer_size_f = (snd_pcm_uframes_t)buffer_size;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync snd_pcm_uframes_t minval;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync if (period_size_f)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync {

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync minval = period_size_f;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync int dir = 0;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync err = snd_pcm_hw_params_get_period_size_min(pHWParms,

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync &minval, &dir);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync if (err < 0)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync {

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync LogRel(("ALSA: Could not determine minimal period size\n"));

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync rc = VERR_GENERAL_FAILURE; /** @todo Find a better rc. */

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync break;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync }

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync else

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync {

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync LogFunc(("Minimal period size is: %ld\n", minval));

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync if (period_size_f < minval)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync {

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync if ( ( fIn && s_ALSAConf.period_size_in_overriden)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync || (!fIn && s_ALSAConf.period_size_out_overriden))

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync {

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync LogFunc(("Period size %RU32 is less than minimal period size %RU32\n",

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync period_size_f, minval));

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync }

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync period_size_f = minval;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync }

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync }

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync err = snd_pcm_hw_params_set_period_size_near(phPCM, pHWParms,

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync &period_size_f, 0);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync LogFunc(("Period size is: %RU32\n", period_size_f));

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync if (err < 0)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync {

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync LogRel(("ALSA: Failed to set period size %d (%s)\n",

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync period_size_f, snd_strerror(err)));

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync rc = VERR_GENERAL_FAILURE; /** @todo Find a better rc. */

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync break;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync }

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync }

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync /* Calculate default buffer size here since it might have been changed

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync buffer_size_f = 4 * period_size_f;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync minval = buffer_size_f;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync err = snd_pcm_hw_params_get_buffer_size_min(pHWParms, &minval);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync if (err < 0)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync {

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync LogRel(("ALSA: Could not retrieve minimal buffer size\n"));

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync rc = VERR_GENERAL_FAILURE; /** @todo Find a better rc. */

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync break;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync }

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync else

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync {

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync LogFunc(("Minimal buffer size is: %RU32\n", minval));

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync if (buffer_size_f < minval)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync {

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync if ( ( fIn && s_ALSAConf.buffer_size_in_overriden)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync || (!fIn && s_ALSAConf.buffer_size_out_overriden))

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync {

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync LogFunc(("Buffer size %RU32 is less than minimal buffer size %RU32\n",

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync buffer_size_f, minval));

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync }

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync buffer_size_f = minval;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync }

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync }

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync err = snd_pcm_hw_params_set_buffer_size_near(phPCM,

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync pHWParms, &buffer_size_f);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync LogFunc(("Buffer size is: %RU32\n", buffer_size_f));

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync if (err < 0)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync {

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync LogRel(("ALSA: Failed to set buffer size %d: %s\n",

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync buffer_size_f, snd_strerror(err)));

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync rc = VERR_GENERAL_FAILURE; /** @todo Find a better rc. */

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync break;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync }

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync }

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync }

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync else

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync LogFunc(("Warning: Buffer size is not set\n"));

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync err = snd_pcm_hw_params(phPCM, pHWParms);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync if (err < 0)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync {

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync LogRel(("ALSA: Failed to apply audio parameters\n"));

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync rc = VERR_GENERAL_FAILURE; /** @todo Find a better rc. */

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync break;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync }

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync err = snd_pcm_hw_params_get_buffer_size(pHWParms, &obt_buffer_size);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync if (err < 0)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync {

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync LogRel(("ALSA: Failed to get buffer size\n"));

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync rc = VERR_GENERAL_FAILURE; /** @todo Find a better rc. */

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync break;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync }

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync snd_pcm_uframes_t obt_period_size;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync int dir = 0;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync err = snd_pcm_hw_params_get_period_size(pHWParms, &obt_period_size, &dir);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync if (err < 0)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync {

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync LogRel(("ALSA: Failed to get period size\n"));

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync rc = VERR_GENERAL_FAILURE; /** @todo Find a better rc. */

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync break;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync }

c0b47c53336892431c7a2d8666600ffed91c11f1vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync LogFunc(("Freq=%dHz, period size=%RU32, buffer size=%RU32\n",

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync pCfgReq->freq, obt_period_size, obt_buffer_size));

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync err = snd_pcm_prepare(phPCM);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync if (err < 0)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync {

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync LogRel(("ALSA: Could not prepare hPCM %p\n", (void *)phPCM));

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync rc = VERR_GENERAL_FAILURE; /** @todo Find a better rc. */

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync break;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync }

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync if ( !fIn

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync && s_ALSAConf.threshold)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync {

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync unsigned uShift;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync rc = drvHostALSAAudioALSAGetShift(pCfgReq->fmt, &uShift);

87d9823b393efbc674b3f3b0ff96998ca89e89b7vboxsync if (RT_SUCCESS(rc))

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync {

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync int bytes_per_sec = uFreq

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync << (cChannels == 2)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync << uShift;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync snd_pcm_uframes_t threshold

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync = (s_ALSAConf.threshold * bytes_per_sec) / 1000;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync rc = drvHostALSAAudioSetThreshold(phPCM, threshold);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync }

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync }

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync else

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync rc = VINF_SUCCESS;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync }

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync while (0);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync if (RT_SUCCESS(rc))

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync {

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync pCfgObt->fmt = pCfgReq->fmt;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync pCfgObt->nchannels = cChannels;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync pCfgObt->freq = uFreq;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync pCfgObt->samples = obt_buffer_size;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync *pphPCM = phPCM;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync }

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync else

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync drvHostALSAAudioClose(&phPCM);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync LogFlowFuncLeaveRC(rc);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync return rc;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync}

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync#ifdef DEBUG

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsyncstatic void drvHostALSAAudioErrorHandler(const char *file, int line, const char *function,

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync int err, const char *fmt, ...)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync{

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync /** @todo Implement me! */

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync}

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync#endif

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsyncstatic int drvHostALSAAudioGetAvail(snd_pcm_t *phPCM, snd_pcm_sframes_t *pFramesAvail)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync{

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync AssertPtrReturn(phPCM, VERR_INVALID_POINTER);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync AssertPtrReturn(pFramesAvail, VERR_INVALID_POINTER);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync int rc;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync snd_pcm_sframes_t framesAvail;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync framesAvail = snd_pcm_avail_update(phPCM);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync if (framesAvail < 0)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync {

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync if (framesAvail == -EPIPE)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync {

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync rc = drvHostALSAAudioRecover(phPCM);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync if (RT_SUCCESS(rc))

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync framesAvail = snd_pcm_avail_update(phPCM);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync }

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync else

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync rc = VERR_ACCESS_DENIED; /** @todo Find a better rc. */

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync }

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync else

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync rc = VINF_SUCCESS;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync if (framesAvail >= 0)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync *pFramesAvail = framesAvail;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

5045ab9ca39fa0b301f4020b7a072406eb0ecea2vboxsync return rc;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync}

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsyncstatic int drvHostALSAAudioRecover(snd_pcm_t *phPCM)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync{

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync AssertPtrReturn(phPCM, VERR_INVALID_POINTER);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync int err = snd_pcm_prepare(phPCM);

8112e0942f1128329b99b22a20b395963d4abceavboxsync if (err < 0)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync {

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync LogFunc(("Failed to recover stream %p: %s\n",

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync phPCM, snd_strerror(err)));

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync return VERR_ACCESS_DENIED; /** @todo Find a better rc. */

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync }

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync return VINF_SUCCESS;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync}

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsyncstatic int drvHostALSAAudioResume(snd_pcm_t *phPCM)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync{

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync AssertPtrReturn(phPCM, VERR_INVALID_POINTER);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync int err = snd_pcm_resume(phPCM);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync if (err < 0)

8112e0942f1128329b99b22a20b395963d4abceavboxsync {

8112e0942f1128329b99b22a20b395963d4abceavboxsync LogFunc(("Failed to resume stream %p: %s\n",

8112e0942f1128329b99b22a20b395963d4abceavboxsync phPCM, snd_strerror(err)));

8112e0942f1128329b99b22a20b395963d4abceavboxsync return VERR_ACCESS_DENIED; /** @todo Find a better rc. */

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync }

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync return VINF_SUCCESS;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync}

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsyncstatic int drvHostALSAAudioStreamCtl(snd_pcm_t *phPCM, bool fPause)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync{

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync int err;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync if (fPause)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync {

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync err = snd_pcm_drop(phPCM);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync if (err < 0)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync {

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync LogFlow(("Error stopping stream %p: %s\n",

8112e0942f1128329b99b22a20b395963d4abceavboxsync phPCM, snd_strerror(err)));

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync return VERR_ACCESS_DENIED;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync }

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync }

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync else

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync {

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync err = snd_pcm_prepare (phPCM);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync if (err < 0)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync {

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync LogFlow(("Error preparing stream %p: %s\n",

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync phPCM, snd_strerror(err)));

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync return VERR_ACCESS_DENIED;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync }

8112e0942f1128329b99b22a20b395963d4abceavboxsync }

8112e0942f1128329b99b22a20b395963d4abceavboxsync

8112e0942f1128329b99b22a20b395963d4abceavboxsync return VINF_SUCCESS;

8112e0942f1128329b99b22a20b395963d4abceavboxsync}

8112e0942f1128329b99b22a20b395963d4abceavboxsync

8112e0942f1128329b99b22a20b395963d4abceavboxsyncstatic DECLCALLBACK(int) drvHostALSAAudioInit(PPDMIHOSTAUDIO pInterface)

8112e0942f1128329b99b22a20b395963d4abceavboxsync{

8112e0942f1128329b99b22a20b395963d4abceavboxsync NOREF(pInterface);

8112e0942f1128329b99b22a20b395963d4abceavboxsync

8112e0942f1128329b99b22a20b395963d4abceavboxsync LogFlowFuncEnter();

8112e0942f1128329b99b22a20b395963d4abceavboxsync

8112e0942f1128329b99b22a20b395963d4abceavboxsync int rc = audioLoadAlsaLib();

8112e0942f1128329b99b22a20b395963d4abceavboxsync if (RT_FAILURE(rc))

8112e0942f1128329b99b22a20b395963d4abceavboxsync LogRel(("ALSA: Failed to load the ALSA shared library, rc=%Rrc\n", rc));

8112e0942f1128329b99b22a20b395963d4abceavboxsync else

8112e0942f1128329b99b22a20b395963d4abceavboxsync {

8112e0942f1128329b99b22a20b395963d4abceavboxsync#ifdef DEBUG

8112e0942f1128329b99b22a20b395963d4abceavboxsync snd_lib_error_set_handler(drvHostALSAAudioErrorHandler);

8112e0942f1128329b99b22a20b395963d4abceavboxsync#endif

8112e0942f1128329b99b22a20b395963d4abceavboxsync }

8112e0942f1128329b99b22a20b395963d4abceavboxsync

8112e0942f1128329b99b22a20b395963d4abceavboxsync return rc;

8112e0942f1128329b99b22a20b395963d4abceavboxsync}

8112e0942f1128329b99b22a20b395963d4abceavboxsync

8112e0942f1128329b99b22a20b395963d4abceavboxsyncstatic DECLCALLBACK(int) drvHostALSAAudioCaptureIn(PPDMIHOSTAUDIO pInterface, PPDMAUDIOHSTSTRMIN pHstStrmIn,

8112e0942f1128329b99b22a20b395963d4abceavboxsync uint32_t *pcSamplesCaptured)

8112e0942f1128329b99b22a20b395963d4abceavboxsync{

8112e0942f1128329b99b22a20b395963d4abceavboxsync NOREF(pInterface);

8112e0942f1128329b99b22a20b395963d4abceavboxsync AssertPtrReturn(pHstStrmIn, VERR_INVALID_POINTER);

8112e0942f1128329b99b22a20b395963d4abceavboxsync

8112e0942f1128329b99b22a20b395963d4abceavboxsync PALSAAUDIOSTREAMIN pThisStrmIn = (PALSAAUDIOSTREAMIN)pHstStrmIn;

8112e0942f1128329b99b22a20b395963d4abceavboxsync

8112e0942f1128329b99b22a20b395963d4abceavboxsync snd_pcm_sframes_t cAvail;

8112e0942f1128329b99b22a20b395963d4abceavboxsync int rc = drvHostALSAAudioGetAvail(pThisStrmIn->phPCM, &cAvail);

8112e0942f1128329b99b22a20b395963d4abceavboxsync if (RT_FAILURE(rc))

8112e0942f1128329b99b22a20b395963d4abceavboxsync {

8112e0942f1128329b99b22a20b395963d4abceavboxsync LogFunc(("Error getting number of captured frames, rc=%Rrc\n", rc));

8112e0942f1128329b99b22a20b395963d4abceavboxsync return rc;

8112e0942f1128329b99b22a20b395963d4abceavboxsync }

8112e0942f1128329b99b22a20b395963d4abceavboxsync

8112e0942f1128329b99b22a20b395963d4abceavboxsync if (!cAvail) /* No data yet? */

8112e0942f1128329b99b22a20b395963d4abceavboxsync {

8112e0942f1128329b99b22a20b395963d4abceavboxsync snd_pcm_state_t state = snd_pcm_state(pThisStrmIn->phPCM);

8112e0942f1128329b99b22a20b395963d4abceavboxsync switch (state)

8112e0942f1128329b99b22a20b395963d4abceavboxsync {

8112e0942f1128329b99b22a20b395963d4abceavboxsync case SND_PCM_STATE_PREPARED:

8112e0942f1128329b99b22a20b395963d4abceavboxsync cAvail = audioMixBufFree(&pHstStrmIn->MixBuf);

8112e0942f1128329b99b22a20b395963d4abceavboxsync break;

8112e0942f1128329b99b22a20b395963d4abceavboxsync

8112e0942f1128329b99b22a20b395963d4abceavboxsync case SND_PCM_STATE_SUSPENDED:

8112e0942f1128329b99b22a20b395963d4abceavboxsync {

8112e0942f1128329b99b22a20b395963d4abceavboxsync rc = drvHostALSAAudioResume(pThisStrmIn->phPCM);

8112e0942f1128329b99b22a20b395963d4abceavboxsync if (RT_FAILURE(rc))

8112e0942f1128329b99b22a20b395963d4abceavboxsync break;

8112e0942f1128329b99b22a20b395963d4abceavboxsync

8112e0942f1128329b99b22a20b395963d4abceavboxsync LogFlow(("Resuming suspended input stream\n"));

8112e0942f1128329b99b22a20b395963d4abceavboxsync break;

8112e0942f1128329b99b22a20b395963d4abceavboxsync }

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync default:

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync LogFlow(("No frames available, state=%d\n", state));

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync break;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync }

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync if (!cAvail)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync {

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync if (pcSamplesCaptured)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync *pcSamplesCaptured = 0;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync return VINF_SUCCESS;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync }

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync }

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync Assert(cAvail);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync size_t cbToRead = AUDIOMIXBUF_S2B(&pHstStrmIn->MixBuf, cAvail);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync LogFlowFunc(("cbToRead=%zu, cAvail=%RI32\n", cbToRead, cAvail));

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync uint32_t cWrittenTotal = 0;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync snd_pcm_uframes_t cToRead;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync snd_pcm_sframes_t cRead;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync while (cbToRead)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync {

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync cToRead = RT_MIN(AUDIOMIXBUF_B2S(&pHstStrmIn->MixBuf, cbToRead),

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync AUDIOMIXBUF_B2S(&pHstStrmIn->MixBuf, pThisStrmIn->cbBuf));

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync AssertBreakStmt(cToRead, rc = VERR_NO_DATA);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync cRead = snd_pcm_readi(pThisStrmIn->phPCM, pThisStrmIn->pvBuf, cToRead);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync if (cRead <= 0)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync {

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync switch (cRead)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync {

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync case 0:

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync {

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync LogFunc(("Failed to read %RI32 frames\n", cRead));

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync rc = VERR_ACCESS_DENIED;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync break;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync }

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync case -EAGAIN:

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync break;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync case -EPIPE:

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync {

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync rc = drvHostALSAAudioRecover(pThisStrmIn->phPCM);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync if (RT_FAILURE(rc))

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync break;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync LogFlowFunc(("Recovered from capturing\n"));

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync continue;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync }

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync default:

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync LogFlowFunc(("Failed to read %RI32 input frames, rc=%Rrc\n",

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync cRead, rc));

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync rc = VERR_GENERAL_FAILURE; /** @todo */

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync break;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync }

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync }

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync else

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync {

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync uint32_t cWritten;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync rc = audioMixBufWriteCirc(&pHstStrmIn->MixBuf,

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync pThisStrmIn->pvBuf, AUDIOMIXBUF_S2B(&pHstStrmIn->MixBuf, cRead),

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync &cWritten);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync if (RT_FAILURE(rc))

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync break;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync uint32_t cbWritten = AUDIOMIXBUF_S2B(&pHstStrmIn->MixBuf, cWritten);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync Assert(cbToRead >= cbWritten);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync cbToRead -= cbWritten;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync cWrittenTotal += cWritten;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync }

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync }

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync if (RT_SUCCESS(rc))

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync {

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync uint32_t cProcessed = 0;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync if (cWrittenTotal)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync rc = audioMixBufMixToParent(&pHstStrmIn->MixBuf, cWrittenTotal,

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync &cProcessed);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync if (pcSamplesCaptured)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync *pcSamplesCaptured = cWrittenTotal;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync LogFlowFunc(("cWrittenTotal=%RU32 (%RU32 processed), rc=%Rrc\n",

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync cWrittenTotal, cProcessed, rc));

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync }

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync LogFlowFuncLeaveRC(rc);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync return rc;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync}

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsyncstatic DECLCALLBACK(int) drvHostALSAAudioPlayOut(PPDMIHOSTAUDIO pInterface, PPDMAUDIOHSTSTRMOUT pHstStrmOut,

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync uint32_t *pcSamplesPlayed)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync{

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync NOREF(pInterface);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync AssertPtrReturn(pHstStrmOut, VERR_INVALID_POINTER);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync PALSAAUDIOSTREAMOUT pThisStrmOut = (PALSAAUDIOSTREAMOUT)pHstStrmOut;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync int rc = VINF_SUCCESS;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync uint32_t cbReadTotal = 0;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync do

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync {

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync snd_pcm_sframes_t cAvail;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync rc = drvHostALSAAudioGetAvail(pThisStrmOut->phPCM, &cAvail);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync if (RT_FAILURE(rc))

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync {

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync LogFunc(("Error getting number of playback frames, rc=%Rrc\n", rc));

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync break;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync }

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync size_t cbToRead = RT_MIN(AUDIOMIXBUF_S2B(&pHstStrmOut->MixBuf,

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync cAvail),

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync AUDIOMIXBUF_S2B(&pHstStrmOut->MixBuf,

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync drvAudioHstOutSamplesLive(pHstStrmOut, NULL /* pcStreamsLive */)));

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync LogFlowFunc(("cbToRead=%zu, cbAvail=%zu\n",

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync cbToRead, AUDIOMIXBUF_S2B(&pHstStrmOut->MixBuf, cAvail)));

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync uint32_t cRead, cbRead;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync snd_pcm_sframes_t cWritten;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync while (cbToRead)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync {

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync rc = audioMixBufReadCirc(&pHstStrmOut->MixBuf, pThisStrmOut->pvBuf, cbToRead, &cRead);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync if (RT_FAILURE(rc))

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync break;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync cbRead = AUDIOMIXBUF_S2B(&pHstStrmOut->MixBuf, cRead);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync AssertBreak(cbRead);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync cWritten = snd_pcm_writei(pThisStrmOut->phPCM, pThisStrmOut->pvBuf, cRead);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync if (cWritten <= 0)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync {

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync switch (cWritten)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync {

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync case 0:

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync {

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync LogFunc(("Failed to write %RI32 frames\n", cRead));

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync rc = VERR_ACCESS_DENIED;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync break;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync }

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync case -EPIPE:

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync {

8112e0942f1128329b99b22a20b395963d4abceavboxsync rc = drvHostALSAAudioRecover(pThisStrmOut->phPCM);

8112e0942f1128329b99b22a20b395963d4abceavboxsync if (RT_FAILURE(rc))

8112e0942f1128329b99b22a20b395963d4abceavboxsync break;

8112e0942f1128329b99b22a20b395963d4abceavboxsync

8112e0942f1128329b99b22a20b395963d4abceavboxsync LogFlowFunc(("Recovered from playback\n"));

8112e0942f1128329b99b22a20b395963d4abceavboxsync continue;

8112e0942f1128329b99b22a20b395963d4abceavboxsync }

8112e0942f1128329b99b22a20b395963d4abceavboxsync

8112e0942f1128329b99b22a20b395963d4abceavboxsync case -ESTRPIPE:

8112e0942f1128329b99b22a20b395963d4abceavboxsync {

8112e0942f1128329b99b22a20b395963d4abceavboxsync /* Stream was suspended and waiting for a recovery. */

8112e0942f1128329b99b22a20b395963d4abceavboxsync rc = drvHostALSAAudioResume(pThisStrmOut->phPCM);

8112e0942f1128329b99b22a20b395963d4abceavboxsync if (RT_FAILURE(rc))

8112e0942f1128329b99b22a20b395963d4abceavboxsync {

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync LogRel(("ALSA: Failed to resume output stream\n"));

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync break;

8112e0942f1128329b99b22a20b395963d4abceavboxsync }

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

8112e0942f1128329b99b22a20b395963d4abceavboxsync LogFlowFunc(("Resumed suspended output stream\n"));

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync continue;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync }

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync default:

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync LogFlowFunc(("Failed to write %RI32 output frames, rc=%Rrc\n",

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync cRead, rc));

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync rc = VERR_GENERAL_FAILURE; /** @todo */

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync break;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync }

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync }

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync if (RT_FAILURE(rc))

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync break;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync Assert(cbToRead >= cRead);

8865816a3d875ec1a036af307fbb484af107f014vboxsync cbToRead -= cbRead;

8865816a3d875ec1a036af307fbb484af107f014vboxsync cbReadTotal += cbRead;

8865816a3d875ec1a036af307fbb484af107f014vboxsync }

f8bec4d0d62cd1f6e3e5eabf8f2703aef91a6dbevboxsync }

f8bec4d0d62cd1f6e3e5eabf8f2703aef91a6dbevboxsync while (0);

8865816a3d875ec1a036af307fbb484af107f014vboxsync

8865816a3d875ec1a036af307fbb484af107f014vboxsync if (RT_SUCCESS(rc))

8865816a3d875ec1a036af307fbb484af107f014vboxsync {

8865816a3d875ec1a036af307fbb484af107f014vboxsync uint32_t cReadTotal = AUDIOMIXBUF_B2S(&pHstStrmOut->MixBuf, cbReadTotal);

8865816a3d875ec1a036af307fbb484af107f014vboxsync if (cReadTotal)

8865816a3d875ec1a036af307fbb484af107f014vboxsync audioMixBufFinish(&pHstStrmOut->MixBuf, cReadTotal);

8865816a3d875ec1a036af307fbb484af107f014vboxsync

8865816a3d875ec1a036af307fbb484af107f014vboxsync if (pcSamplesPlayed)

8865816a3d875ec1a036af307fbb484af107f014vboxsync *pcSamplesPlayed = cReadTotal;

8865816a3d875ec1a036af307fbb484af107f014vboxsync

8865816a3d875ec1a036af307fbb484af107f014vboxsync LogFlowFunc(("cReadTotal=%RU32 (%RU32 bytes), rc=%Rrc\n",

8865816a3d875ec1a036af307fbb484af107f014vboxsync cReadTotal, cbReadTotal, rc));

8865816a3d875ec1a036af307fbb484af107f014vboxsync }

8865816a3d875ec1a036af307fbb484af107f014vboxsync

8865816a3d875ec1a036af307fbb484af107f014vboxsync LogFlowFuncLeaveRC(rc);

f8bec4d0d62cd1f6e3e5eabf8f2703aef91a6dbevboxsync return rc;

8865816a3d875ec1a036af307fbb484af107f014vboxsync}

8865816a3d875ec1a036af307fbb484af107f014vboxsync

8865816a3d875ec1a036af307fbb484af107f014vboxsyncstatic DECLCALLBACK(int) drvHostALSAAudioFiniIn(PPDMIHOSTAUDIO pInterface, PPDMAUDIOHSTSTRMIN pHstStrmIn)

8865816a3d875ec1a036af307fbb484af107f014vboxsync{

8865816a3d875ec1a036af307fbb484af107f014vboxsync NOREF(pInterface);

8865816a3d875ec1a036af307fbb484af107f014vboxsync AssertPtrReturn(pHstStrmIn, VERR_INVALID_POINTER);

8865816a3d875ec1a036af307fbb484af107f014vboxsync

8865816a3d875ec1a036af307fbb484af107f014vboxsync PALSAAUDIOSTREAMIN pThisStrmIn = (PALSAAUDIOSTREAMIN)pHstStrmIn;

8865816a3d875ec1a036af307fbb484af107f014vboxsync

8865816a3d875ec1a036af307fbb484af107f014vboxsync drvHostALSAAudioClose(&pThisStrmIn->phPCM);

8865816a3d875ec1a036af307fbb484af107f014vboxsync

8865816a3d875ec1a036af307fbb484af107f014vboxsync if (pThisStrmIn->pvBuf)

8865816a3d875ec1a036af307fbb484af107f014vboxsync {

f8bec4d0d62cd1f6e3e5eabf8f2703aef91a6dbevboxsync RTMemFree(pThisStrmIn->pvBuf);

8865816a3d875ec1a036af307fbb484af107f014vboxsync pThisStrmIn->pvBuf = NULL;

8865816a3d875ec1a036af307fbb484af107f014vboxsync }

8865816a3d875ec1a036af307fbb484af107f014vboxsync

8865816a3d875ec1a036af307fbb484af107f014vboxsync return VINF_SUCCESS;

8865816a3d875ec1a036af307fbb484af107f014vboxsync}

8865816a3d875ec1a036af307fbb484af107f014vboxsync

8865816a3d875ec1a036af307fbb484af107f014vboxsyncstatic DECLCALLBACK(int) drvHostALSAAudioFiniOut(PPDMIHOSTAUDIO pInterface, PPDMAUDIOHSTSTRMOUT pHstStrmOut)

8865816a3d875ec1a036af307fbb484af107f014vboxsync{

8865816a3d875ec1a036af307fbb484af107f014vboxsync NOREF(pInterface);

8865816a3d875ec1a036af307fbb484af107f014vboxsync AssertPtrReturn(pHstStrmOut, VERR_INVALID_POINTER);

8865816a3d875ec1a036af307fbb484af107f014vboxsync

8865816a3d875ec1a036af307fbb484af107f014vboxsync PALSAAUDIOSTREAMOUT pThisStrmOut = (PALSAAUDIOSTREAMOUT)pHstStrmOut;

8865816a3d875ec1a036af307fbb484af107f014vboxsync

8865816a3d875ec1a036af307fbb484af107f014vboxsync drvHostALSAAudioClose(&pThisStrmOut->phPCM);

f8bec4d0d62cd1f6e3e5eabf8f2703aef91a6dbevboxsync

8865816a3d875ec1a036af307fbb484af107f014vboxsync if (pThisStrmOut->pvBuf)

8865816a3d875ec1a036af307fbb484af107f014vboxsync {

8865816a3d875ec1a036af307fbb484af107f014vboxsync RTMemFree(pThisStrmOut->pvBuf);

8865816a3d875ec1a036af307fbb484af107f014vboxsync pThisStrmOut->pvBuf = NULL;

8865816a3d875ec1a036af307fbb484af107f014vboxsync }

8865816a3d875ec1a036af307fbb484af107f014vboxsync

f8bec4d0d62cd1f6e3e5eabf8f2703aef91a6dbevboxsync return VINF_SUCCESS;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync}

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsyncstatic DECLCALLBACK(int) drvHostALSAAudioInitOut(PPDMIHOSTAUDIO pInterface,

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync PPDMAUDIOHSTSTRMOUT pHstStrmOut, PPDMAUDIOSTREAMCFG pCfg,

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync uint32_t *pcSamples)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync{

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync NOREF(pInterface);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync AssertPtrReturn(pHstStrmOut, VERR_INVALID_POINTER);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync AssertPtrReturn(pCfg, VERR_INVALID_POINTER);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync PALSAAUDIOSTREAMOUT pThisStrmOut = (PALSAAUDIOSTREAMOUT)pHstStrmOut;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync snd_pcm_t *phPCM = NULL;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync int rc;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync do

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync {

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync ALSAAUDIOSTREAMCFG req;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync req.fmt = drvHostALSAAudioFmtToALSA(pCfg->enmFormat);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync req.freq = pCfg->uHz;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync req.nchannels = pCfg->cChannels;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync req.period_size = s_ALSAConf.period_size_out;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync req.buffer_size = s_ALSAConf.buffer_size_out;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync ALSAAUDIOSTREAMCFG obt;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync rc = drvHostALSAAudioOpen(false /* false */, &req, &obt, &phPCM);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync if (RT_FAILURE(rc))

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync break;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync PDMAUDIOFMT enmFormat;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync PDMAUDIOENDIANESS enmEnd;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync rc = drvHostALSAAudioALSAToFmt(obt.fmt, &enmFormat, &enmEnd);

1ab072338283b0c700d1ef4958511296a4d0ca41vboxsync if (RT_FAILURE(rc))

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync break;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync PDMAUDIOSTREAMCFG streamCfg;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync streamCfg.uHz = obt.freq;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync streamCfg.cChannels = obt.nchannels;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync streamCfg.enmFormat = enmFormat;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync streamCfg.enmEndianness = enmEnd;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync rc = drvAudioStreamCfgToProps(&streamCfg, &pHstStrmOut->Props);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync if (RT_FAILURE(rc))

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync break;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync AssertBreakStmt(obt.samples, rc = VERR_INVALID_PARAMETER);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync size_t cbBuf = obt.samples * (1 << pHstStrmOut->Props.cShift);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync AssertBreakStmt(cbBuf, rc = VERR_INVALID_PARAMETER);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync pThisStrmOut->pvBuf = RTMemAlloc(cbBuf);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync if (!pThisStrmOut->pvBuf)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync {

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync LogRel(("ALSA: Not enough memory for output DAC buffer (%RU32 samples, each %d bytes)\n",

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync obt.samples, 1 << pHstStrmOut->Props.cShift));

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync rc = VERR_NO_MEMORY;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync break;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync }

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync pThisStrmOut->cbBuf = cbBuf;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync pThisStrmOut->phPCM = phPCM;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync if (pcSamples)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync *pcSamples = obt.samples;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync }

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync while (0);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync if (RT_FAILURE(rc))

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync drvHostALSAAudioClose(&phPCM);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync LogFlowFuncLeaveRC(rc);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync return rc;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync}

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsyncstatic DECLCALLBACK(int) drvHostALSAAudioInitIn(PPDMIHOSTAUDIO pInterface,

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync PPDMAUDIOHSTSTRMIN pHstStrmIn, PPDMAUDIOSTREAMCFG pCfg,

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync PDMAUDIORECSOURCE enmRecSource,

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync uint32_t *pcSamples)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync{

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync NOREF(pInterface);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync AssertPtrReturn(pHstStrmIn, VERR_INVALID_POINTER);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync AssertPtrReturn(pCfg, VERR_INVALID_POINTER);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync int rc;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync PALSAAUDIOSTREAMIN pThisStrmIn = (PALSAAUDIOSTREAMIN)pHstStrmIn;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync snd_pcm_t *phPCM = NULL;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync do

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync {

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync ALSAAUDIOSTREAMCFG req;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync req.fmt = drvHostALSAAudioFmtToALSA(pCfg->enmFormat);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync req.freq = pCfg->uHz;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync req.nchannels = pCfg->cChannels;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync req.period_size = s_ALSAConf.period_size_in;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync req.buffer_size = s_ALSAConf.buffer_size_in;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync ALSAAUDIOSTREAMCFG obt;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync rc = drvHostALSAAudioOpen(true /* fIn */, &req, &obt, &phPCM);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync if (RT_FAILURE(rc))

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync break;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync PDMAUDIOFMT enmFormat;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync PDMAUDIOENDIANESS enmEnd;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync rc = drvHostALSAAudioALSAToFmt(obt.fmt, &enmFormat, &enmEnd);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync if (RT_FAILURE(rc))

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync break;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync PDMAUDIOSTREAMCFG streamCfg;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync streamCfg.uHz = obt.freq;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync streamCfg.cChannels = obt.nchannels;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync streamCfg.enmFormat = enmFormat;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync streamCfg.enmEndianness = enmEnd;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync rc = drvAudioStreamCfgToProps(&streamCfg, &pHstStrmIn->Props);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync if (RT_FAILURE(rc))

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync break;

f8bec4d0d62cd1f6e3e5eabf8f2703aef91a6dbevboxsync

8112e0942f1128329b99b22a20b395963d4abceavboxsync AssertBreakStmt(obt.samples, rc = VERR_INVALID_PARAMETER);

8112e0942f1128329b99b22a20b395963d4abceavboxsync size_t cbBuf = obt.samples * (1 << pHstStrmIn->Props.cShift);

ae26c174345e4ed5710e3f9138b9166b4a160abdvboxsync AssertBreakStmt(cbBuf, rc = VERR_INVALID_PARAMETER);

ae26c174345e4ed5710e3f9138b9166b4a160abdvboxsync pThisStrmIn->pvBuf = RTMemAlloc(cbBuf);

8112e0942f1128329b99b22a20b395963d4abceavboxsync if (!pThisStrmIn->pvBuf)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync {

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync LogRel(("ALSA: Not enough memory for input ADC buffer (%RU32 samples, each %d bytes)\n",

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync obt.samples, 1 << pHstStrmIn->Props.cShift));

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync rc = VERR_NO_MEMORY;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync break;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync }

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync pThisStrmIn->cbBuf = cbBuf;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync pThisStrmIn->phPCM = phPCM;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync if (pcSamples)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync *pcSamples = obt.samples;

8112e0942f1128329b99b22a20b395963d4abceavboxsync }

8112e0942f1128329b99b22a20b395963d4abceavboxsync while (0);

8112e0942f1128329b99b22a20b395963d4abceavboxsync

8112e0942f1128329b99b22a20b395963d4abceavboxsync if (RT_FAILURE(rc))

8112e0942f1128329b99b22a20b395963d4abceavboxsync drvHostALSAAudioClose(&phPCM);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync LogFlowFuncLeaveRC(rc);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync return rc;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync}

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsyncstatic DECLCALLBACK(bool) drvHostALSAAudioIsEnabled(PPDMIHOSTAUDIO pInterface, PDMAUDIODIR enmDir)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync{

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync NOREF(pInterface);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync NOREF(enmDir);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync return true; /* Always all enabled. */

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync}

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsyncstatic DECLCALLBACK(int) drvHostALSAAudioControlIn(PPDMIHOSTAUDIO pInterface, PPDMAUDIOHSTSTRMIN pHstStrmIn,

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync PDMAUDIOSTREAMCMD enmStreamCmd)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync{

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync NOREF(pInterface);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync AssertPtrReturn(pHstStrmIn, VERR_INVALID_POINTER);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync PALSAAUDIOSTREAMIN pThisStrmIn = (PALSAAUDIOSTREAMIN)pHstStrmIn;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync LogFlowFunc(("enmStreamCmd=%ld\n", enmStreamCmd));

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync int rc;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync switch (enmStreamCmd)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync {

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync case PDMAUDIOSTREAMCMD_ENABLE:

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync rc = drvHostALSAAudioStreamCtl(pThisStrmIn->phPCM, false /* fStop */);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync break;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync case PDMAUDIOSTREAMCMD_DISABLE:

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync rc = drvHostALSAAudioStreamCtl(pThisStrmIn->phPCM, true /* fStop */);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync break;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync default:

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync AssertMsgFailed(("Invalid command %ld\n", enmStreamCmd));

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync rc = VERR_INVALID_PARAMETER;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync break;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync }

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync return rc;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync}

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsyncstatic DECLCALLBACK(int) drvHostALSAAudioControlOut(PPDMIHOSTAUDIO pInterface, PPDMAUDIOHSTSTRMOUT pHstStrmOut,

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync PDMAUDIOSTREAMCMD enmStreamCmd)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync{

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync NOREF(pInterface);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync AssertPtrReturn(pHstStrmOut, VERR_INVALID_POINTER);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync PALSAAUDIOSTREAMOUT pThisStrmOut = (PALSAAUDIOSTREAMOUT)pHstStrmOut;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync LogFlowFunc(("enmStreamCmd=%ld\n", enmStreamCmd));

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync int rc;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync switch (enmStreamCmd)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync {

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync case PDMAUDIOSTREAMCMD_ENABLE:

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync rc = drvHostALSAAudioStreamCtl(pThisStrmOut->phPCM, false /* fStop */);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync break;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync case PDMAUDIOSTREAMCMD_DISABLE:

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync rc = drvHostALSAAudioStreamCtl(pThisStrmOut->phPCM, true /* fStop */);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync break;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync default:

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync AssertMsgFailed(("Invalid command %ld\n", enmStreamCmd));

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync rc = VERR_INVALID_PARAMETER;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync break;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync }

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync return rc;

8112e0942f1128329b99b22a20b395963d4abceavboxsync}

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsyncstatic DECLCALLBACK(int) drvHostALSAAudioGetConf(PPDMIHOSTAUDIO pInterface, PPDMAUDIOBACKENDCFG pCfg)

8112e0942f1128329b99b22a20b395963d4abceavboxsync{

8112e0942f1128329b99b22a20b395963d4abceavboxsync NOREF(pInterface);

8112e0942f1128329b99b22a20b395963d4abceavboxsync AssertPtrReturn(pCfg, VERR_INVALID_POINTER);

f8bec4d0d62cd1f6e3e5eabf8f2703aef91a6dbevboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync pCfg->cbStreamOut = sizeof(ALSAAUDIOSTREAMOUT);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync pCfg->cbStreamIn = sizeof(ALSAAUDIOSTREAMIN);

8112e0942f1128329b99b22a20b395963d4abceavboxsync pCfg->cMaxHstStrmsOut = INT_MAX;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync pCfg->cMaxHstStrmsIn = INT_MAX;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync return VINF_SUCCESS;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync}

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsyncstatic DECLCALLBACK(void) drvHostALSAAudioShutdown(PPDMIHOSTAUDIO pInterface)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync{

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync NOREF(pInterface);

8112e0942f1128329b99b22a20b395963d4abceavboxsync}

8112e0942f1128329b99b22a20b395963d4abceavboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsyncstatic DECLCALLBACK(void *) drvHostALSAAudioQueryInterface(PPDMIBASE pInterface, const char *pszIID)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync{

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync PPDMDRVINS pDrvIns = PDMIBASE_2_PDMDRV(pInterface);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync PDRVHOSTALSAAUDIO pThis = PDMINS_2_DATA(pDrvIns, PDRVHOSTALSAAUDIO);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync PDMIBASE_RETURN_INTERFACE(pszIID, PDMIBASE, &pDrvIns->IBase);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync PDMIBASE_RETURN_INTERFACE(pszIID, PDMIHOSTAUDIO, &pThis->IHostAudio);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync return NULL;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync}

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsyncstatic DECLCALLBACK(int) drvHostAlsaAudioConstruct(PPDMDRVINS pDrvIns, PCFGMNODE pCfg, uint32_t fFlags)

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync{

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync PDRVHOSTALSAAUDIO pThis = PDMINS_2_DATA(pDrvIns, PDRVHOSTALSAAUDIO);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync LogRel(("Audio: Initializing ALSA driver\n"));

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync /*

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync pThis->pDrvIns = pDrvIns;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync /* IBase */

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync pDrvIns->IBase.pfnQueryInterface = drvHostALSAAudioQueryInterface;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync /* IHostAudio */

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync PDMAUDIO_IHOSTAUDIO_CALLBACKS(drvHostALSAAudio);

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync return VINF_SUCCESS;

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync}

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsyncconst PDMDRVREG g_DrvHostALSAAudio =

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync{

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync /* u32Version */

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync PDM_DRVREG_VERSION,

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync /* szName */

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync "ALSAAudio",

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync /* szRCMod */

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync "",

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync /* szR0Mod */

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync "",

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync /* pszDescription */

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync "ALSA host audio driver",

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync /* fFlags */

1256c6853363727c70b1b5075e5a747510858b94vboxsync PDM_DRVREG_FLAGS_HOST_BITS_DEFAULT,

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync /* fClass. */

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync PDM_DRVREG_CLASS_AUDIO,

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync /* cMaxInstances */

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync ~0U,

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync /* cbInstance */

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync sizeof(DRVHOSTALSAAUDIO),

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync /* pfnConstruct */

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync drvHostAlsaAudioConstruct,

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync /* pfnDestruct */

1ab072338283b0c700d1ef4958511296a4d0ca41vboxsync NULL,

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync /* pfnRelocate */

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync NULL,

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync /* pfnIOCtl */

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync NULL,

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync /* pfnPowerOn */

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync NULL,

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync /* pfnReset */

ae0f2178b9a5aded928e0245cb830ba1d3d04c57vboxsync NULL,

/* pfnSuspend */

NULL,

/* pfnResume */

NULL,

/* pfnAttach */

NULL,

/* pfnDetach */

NULL,

/* pfnPowerOff */

NULL,

/* pfnSoftReset */

NULL,

/* u32EndVersion */

PDM_DRVREG_VERSION

};

static struct audio_option alsa_options[] =

{

{"DACSizeInUsec", AUD_OPT_BOOL, &s_ALSAConf.size_in_usec_out,

"DAC period/buffer size in microseconds (otherwise in frames)", NULL, 0},

{"DACPeriodSize", AUD_OPT_INT, &s_ALSAConf.period_size_out,

"DAC period size", &s_ALSAConf.period_size_out_overriden, 0},

{"DACBufferSize", AUD_OPT_INT, &s_ALSAConf.buffer_size_out,

"DAC buffer size", &s_ALSAConf.buffer_size_out_overriden, 0},

{"ADCSizeInUsec", AUD_OPT_BOOL, &s_ALSAConf.size_in_usec_in,

"ADC period/buffer size in microseconds (otherwise in frames)", NULL, 0},

{"ADCPeriodSize", AUD_OPT_INT, &s_ALSAConf.period_size_in,

"ADC period size", &s_ALSAConf.period_size_in_overriden, 0},

{"ADCBufferSize", AUD_OPT_INT, &s_ALSAConf.buffer_size_in,

"ADC buffer size", &s_ALSAConf.buffer_size_in_overriden, 0},

{"Threshold", AUD_OPT_INT, &s_ALSAConf.threshold,

"(undocumented)", NULL, 0},

{"DACDev", AUD_OPT_STR, &s_ALSAConf.pcm_name_out,

"DAC device name (for instance dmix)", NULL, 0},

{"ADCDev", AUD_OPT_STR, &s_ALSAConf.pcm_name_in,

"ADC device name", NULL, 0},

NULL

};