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authorRajithaY <rajithax.yerrumsetty@intel.com>2017-04-25 03:31:15 -0700
committerRajitha Yerrumchetty <rajithax.yerrumsetty@intel.com>2017-05-22 06:48:08 +0000
commitbb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (patch)
treeca11e03542edf2d8f631efeca5e1626d211107e3 /qemu/audio/ossaudio.c
parenta14b48d18a9ed03ec191cf16b162206998a895ce (diff)
Adding qemu as a submodule of KVMFORNFV
This Patch includes the changes to add qemu as a submodule to kvmfornfv repo and make use of the updated latest qemu for the execution of all testcase Change-Id: I1280af507a857675c7f81d30c95255635667bdd7 Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>
Diffstat (limited to 'qemu/audio/ossaudio.c')
-rw-r--r--qemu/audio/ossaudio.c940
1 files changed, 0 insertions, 940 deletions
diff --git a/qemu/audio/ossaudio.c b/qemu/audio/ossaudio.c
deleted file mode 100644
index 349e9dd53..000000000
--- a/qemu/audio/ossaudio.c
+++ /dev/null
@@ -1,940 +0,0 @@
-/*
- * QEMU OSS audio driver
- *
- * Copyright (c) 2003-2005 Vassili Karpov (malc)
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-#include "qemu/osdep.h"
-#include <sys/mman.h>
-#include <sys/ioctl.h>
-#include <sys/soundcard.h>
-#include "qemu-common.h"
-#include "qemu/main-loop.h"
-#include "qemu/host-utils.h"
-#include "audio.h"
-#include "trace.h"
-
-#define AUDIO_CAP "oss"
-#include "audio_int.h"
-
-#if defined OSS_GETVERSION && defined SNDCTL_DSP_POLICY
-#define USE_DSP_POLICY
-#endif
-
-typedef struct OSSConf {
- int try_mmap;
- int nfrags;
- int fragsize;
- const char *devpath_out;
- const char *devpath_in;
- int exclusive;
- int policy;
-} OSSConf;
-
-typedef struct OSSVoiceOut {
- HWVoiceOut hw;
- void *pcm_buf;
- int fd;
- int wpos;
- int nfrags;
- int fragsize;
- int mmapped;
- int pending;
- OSSConf *conf;
-} OSSVoiceOut;
-
-typedef struct OSSVoiceIn {
- HWVoiceIn hw;
- void *pcm_buf;
- int fd;
- int nfrags;
- int fragsize;
- OSSConf *conf;
-} OSSVoiceIn;
-
-struct oss_params {
- int freq;
- audfmt_e fmt;
- int nchannels;
- int nfrags;
- int fragsize;
-};
-
-static void GCC_FMT_ATTR (2, 3) oss_logerr (int err, const char *fmt, ...)
-{
- va_list ap;
-
- va_start (ap, fmt);
- AUD_vlog (AUDIO_CAP, fmt, ap);
- va_end (ap);
-
- AUD_log (AUDIO_CAP, "Reason: %s\n", strerror (err));
-}
-
-static void GCC_FMT_ATTR (3, 4) oss_logerr2 (
- int err,
- const char *typ,
- const char *fmt,
- ...
- )
-{
- va_list ap;
-
- AUD_log (AUDIO_CAP, "Could not initialize %s\n", typ);
-
- va_start (ap, fmt);
- AUD_vlog (AUDIO_CAP, fmt, ap);
- va_end (ap);
-
- AUD_log (AUDIO_CAP, "Reason: %s\n", strerror (err));
-}
-
-static void oss_anal_close (int *fdp)
-{
- int err;
-
- qemu_set_fd_handler (*fdp, NULL, NULL, NULL);
- err = close (*fdp);
- if (err) {
- oss_logerr (errno, "Failed to close file(fd=%d)\n", *fdp);
- }
- *fdp = -1;
-}
-
-static void oss_helper_poll_out (void *opaque)
-{
- (void) opaque;
- audio_run ("oss_poll_out");
-}
-
-static void oss_helper_poll_in (void *opaque)
-{
- (void) opaque;
- audio_run ("oss_poll_in");
-}
-
-static void oss_poll_out (HWVoiceOut *hw)
-{
- OSSVoiceOut *oss = (OSSVoiceOut *) hw;
-
- qemu_set_fd_handler (oss->fd, NULL, oss_helper_poll_out, NULL);
-}
-
-static void oss_poll_in (HWVoiceIn *hw)
-{
- OSSVoiceIn *oss = (OSSVoiceIn *) hw;
-
- qemu_set_fd_handler (oss->fd, oss_helper_poll_in, NULL, NULL);
-}
-
-static int oss_write (SWVoiceOut *sw, void *buf, int len)
-{
- return audio_pcm_sw_write (sw, buf, len);
-}
-
-static int aud_to_ossfmt (audfmt_e fmt, int endianness)
-{
- switch (fmt) {
- case AUD_FMT_S8:
- return AFMT_S8;
-
- case AUD_FMT_U8:
- return AFMT_U8;
-
- case AUD_FMT_S16:
- if (endianness) {
- return AFMT_S16_BE;
- }
- else {
- return AFMT_S16_LE;
- }
-
- case AUD_FMT_U16:
- if (endianness) {
- return AFMT_U16_BE;
- }
- else {
- return AFMT_U16_LE;
- }
-
- default:
- dolog ("Internal logic error: Bad audio format %d\n", fmt);
-#ifdef DEBUG_AUDIO
- abort ();
-#endif
- return AFMT_U8;
- }
-}
-
-static int oss_to_audfmt (int ossfmt, audfmt_e *fmt, int *endianness)
-{
- switch (ossfmt) {
- case AFMT_S8:
- *endianness = 0;
- *fmt = AUD_FMT_S8;
- break;
-
- case AFMT_U8:
- *endianness = 0;
- *fmt = AUD_FMT_U8;
- break;
-
- case AFMT_S16_LE:
- *endianness = 0;
- *fmt = AUD_FMT_S16;
- break;
-
- case AFMT_U16_LE:
- *endianness = 0;
- *fmt = AUD_FMT_U16;
- break;
-
- case AFMT_S16_BE:
- *endianness = 1;
- *fmt = AUD_FMT_S16;
- break;
-
- case AFMT_U16_BE:
- *endianness = 1;
- *fmt = AUD_FMT_U16;
- break;
-
- default:
- dolog ("Unrecognized audio format %d\n", ossfmt);
- return -1;
- }
-
- return 0;
-}
-
-#if defined DEBUG_MISMATCHES || defined DEBUG
-static void oss_dump_info (struct oss_params *req, struct oss_params *obt)
-{
- dolog ("parameter | requested value | obtained value\n");
- dolog ("format | %10d | %10d\n", req->fmt, obt->fmt);
- dolog ("channels | %10d | %10d\n",
- req->nchannels, obt->nchannels);
- dolog ("frequency | %10d | %10d\n", req->freq, obt->freq);
- dolog ("nfrags | %10d | %10d\n", req->nfrags, obt->nfrags);
- dolog ("fragsize | %10d | %10d\n",
- req->fragsize, obt->fragsize);
-}
-#endif
-
-#ifdef USE_DSP_POLICY
-static int oss_get_version (int fd, int *version, const char *typ)
-{
- if (ioctl (fd, OSS_GETVERSION, &version)) {
-#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
- /*
- * Looks like atm (20100109) FreeBSD knows OSS_GETVERSION
- * since 7.x, but currently only on the mixer device (or in
- * the Linuxolator), and in the native version that part of
- * the code is in fact never reached so the ioctl fails anyway.
- * Until this is fixed, just check the errno and if its what
- * FreeBSD's sound drivers return atm assume they are new enough.
- */
- if (errno == EINVAL) {
- *version = 0x040000;
- return 0;
- }
-#endif
- oss_logerr2 (errno, typ, "Failed to get OSS version\n");
- return -1;
- }
- return 0;
-}
-#endif
-
-static int oss_open (int in, struct oss_params *req,
- struct oss_params *obt, int *pfd, OSSConf* conf)
-{
- int fd;
- int oflags = conf->exclusive ? O_EXCL : 0;
- audio_buf_info abinfo;
- int fmt, freq, nchannels;
- int setfragment = 1;
- const char *dspname = in ? conf->devpath_in : conf->devpath_out;
- const char *typ = in ? "ADC" : "DAC";
-
- /* Kludge needed to have working mmap on Linux */
- oflags |= conf->try_mmap ? O_RDWR : (in ? O_RDONLY : O_WRONLY);
-
- fd = open (dspname, oflags | O_NONBLOCK);
- if (-1 == fd) {
- oss_logerr2 (errno, typ, "Failed to open `%s'\n", dspname);
- return -1;
- }
-
- freq = req->freq;
- nchannels = req->nchannels;
- fmt = req->fmt;
-
- if (ioctl (fd, SNDCTL_DSP_SAMPLESIZE, &fmt)) {
- oss_logerr2 (errno, typ, "Failed to set sample size %d\n", req->fmt);
- goto err;
- }
-
- if (ioctl (fd, SNDCTL_DSP_CHANNELS, &nchannels)) {
- oss_logerr2 (errno, typ, "Failed to set number of channels %d\n",
- req->nchannels);
- goto err;
- }
-
- if (ioctl (fd, SNDCTL_DSP_SPEED, &freq)) {
- oss_logerr2 (errno, typ, "Failed to set frequency %d\n", req->freq);
- goto err;
- }
-
- if (ioctl (fd, SNDCTL_DSP_NONBLOCK, NULL)) {
- oss_logerr2 (errno, typ, "Failed to set non-blocking mode\n");
- goto err;
- }
-
-#ifdef USE_DSP_POLICY
- if (conf->policy >= 0) {
- int version;
-
- if (!oss_get_version (fd, &version, typ)) {
- trace_oss_version(version);
-
- if (version >= 0x040000) {
- int policy = conf->policy;
- if (ioctl (fd, SNDCTL_DSP_POLICY, &policy)) {
- oss_logerr2 (errno, typ,
- "Failed to set timing policy to %d\n",
- conf->policy);
- goto err;
- }
- setfragment = 0;
- }
- }
- }
-#endif
-
- if (setfragment) {
- int mmmmssss = (req->nfrags << 16) | ctz32 (req->fragsize);
- if (ioctl (fd, SNDCTL_DSP_SETFRAGMENT, &mmmmssss)) {
- oss_logerr2 (errno, typ, "Failed to set buffer length (%d, %d)\n",
- req->nfrags, req->fragsize);
- goto err;
- }
- }
-
- if (ioctl (fd, in ? SNDCTL_DSP_GETISPACE : SNDCTL_DSP_GETOSPACE, &abinfo)) {
- oss_logerr2 (errno, typ, "Failed to get buffer length\n");
- goto err;
- }
-
- if (!abinfo.fragstotal || !abinfo.fragsize) {
- AUD_log (AUDIO_CAP, "Returned bogus buffer information(%d, %d) for %s\n",
- abinfo.fragstotal, abinfo.fragsize, typ);
- goto err;
- }
-
- obt->fmt = fmt;
- obt->nchannels = nchannels;
- obt->freq = freq;
- obt->nfrags = abinfo.fragstotal;
- obt->fragsize = abinfo.fragsize;
- *pfd = fd;
-
-#ifdef DEBUG_MISMATCHES
- if ((req->fmt != obt->fmt) ||
- (req->nchannels != obt->nchannels) ||
- (req->freq != obt->freq) ||
- (req->fragsize != obt->fragsize) ||
- (req->nfrags != obt->nfrags)) {
- dolog ("Audio parameters mismatch\n");
- oss_dump_info (req, obt);
- }
-#endif
-
-#ifdef DEBUG
- oss_dump_info (req, obt);
-#endif
- return 0;
-
- err:
- oss_anal_close (&fd);
- return -1;
-}
-
-static void oss_write_pending (OSSVoiceOut *oss)
-{
- HWVoiceOut *hw = &oss->hw;
-
- if (oss->mmapped) {
- return;
- }
-
- while (oss->pending) {
- int samples_written;
- ssize_t bytes_written;
- int samples_till_end = hw->samples - oss->wpos;
- int samples_to_write = audio_MIN (oss->pending, samples_till_end);
- int bytes_to_write = samples_to_write << hw->info.shift;
- void *pcm = advance (oss->pcm_buf, oss->wpos << hw->info.shift);
-
- bytes_written = write (oss->fd, pcm, bytes_to_write);
- if (bytes_written < 0) {
- if (errno != EAGAIN) {
- oss_logerr (errno, "failed to write %d bytes\n",
- bytes_to_write);
- }
- break;
- }
-
- if (bytes_written & hw->info.align) {
- dolog ("misaligned write asked for %d, but got %zd\n",
- bytes_to_write, bytes_written);
- return;
- }
-
- samples_written = bytes_written >> hw->info.shift;
- oss->pending -= samples_written;
- oss->wpos = (oss->wpos + samples_written) % hw->samples;
- if (bytes_written - bytes_to_write) {
- break;
- }
- }
-}
-
-static int oss_run_out (HWVoiceOut *hw, int live)
-{
- OSSVoiceOut *oss = (OSSVoiceOut *) hw;
- int err, decr;
- struct audio_buf_info abinfo;
- struct count_info cntinfo;
- int bufsize;
-
- bufsize = hw->samples << hw->info.shift;
-
- if (oss->mmapped) {
- int bytes, pos;
-
- err = ioctl (oss->fd, SNDCTL_DSP_GETOPTR, &cntinfo);
- if (err < 0) {
- oss_logerr (errno, "SNDCTL_DSP_GETOPTR failed\n");
- return 0;
- }
-
- pos = hw->rpos << hw->info.shift;
- bytes = audio_ring_dist (cntinfo.ptr, pos, bufsize);
- decr = audio_MIN (bytes >> hw->info.shift, live);
- }
- else {
- err = ioctl (oss->fd, SNDCTL_DSP_GETOSPACE, &abinfo);
- if (err < 0) {
- oss_logerr (errno, "SNDCTL_DSP_GETOPTR failed\n");
- return 0;
- }
-
- if (abinfo.bytes > bufsize) {
- trace_oss_invalid_available_size(abinfo.bytes, bufsize);
- abinfo.bytes = bufsize;
- }
-
- if (abinfo.bytes < 0) {
- trace_oss_invalid_available_size(abinfo.bytes, bufsize);
- return 0;
- }
-
- decr = audio_MIN (abinfo.bytes >> hw->info.shift, live);
- if (!decr) {
- return 0;
- }
- }
-
- decr = audio_pcm_hw_clip_out (hw, oss->pcm_buf, decr, oss->pending);
- oss->pending += decr;
- oss_write_pending (oss);
-
- return decr;
-}
-
-static void oss_fini_out (HWVoiceOut *hw)
-{
- int err;
- OSSVoiceOut *oss = (OSSVoiceOut *) hw;
-
- ldebug ("oss_fini\n");
- oss_anal_close (&oss->fd);
-
- if (oss->pcm_buf) {
- if (oss->mmapped) {
- err = munmap (oss->pcm_buf, hw->samples << hw->info.shift);
- if (err) {
- oss_logerr (errno, "Failed to unmap buffer %p, size %d\n",
- oss->pcm_buf, hw->samples << hw->info.shift);
- }
- }
- else {
- g_free (oss->pcm_buf);
- }
- oss->pcm_buf = NULL;
- }
-}
-
-static int oss_init_out(HWVoiceOut *hw, struct audsettings *as,
- void *drv_opaque)
-{
- OSSVoiceOut *oss = (OSSVoiceOut *) hw;
- struct oss_params req, obt;
- int endianness;
- int err;
- int fd;
- audfmt_e effective_fmt;
- struct audsettings obt_as;
- OSSConf *conf = drv_opaque;
-
- oss->fd = -1;
-
- req.fmt = aud_to_ossfmt (as->fmt, as->endianness);
- req.freq = as->freq;
- req.nchannels = as->nchannels;
- req.fragsize = conf->fragsize;
- req.nfrags = conf->nfrags;
-
- if (oss_open (0, &req, &obt, &fd, conf)) {
- return -1;
- }
-
- err = oss_to_audfmt (obt.fmt, &effective_fmt, &endianness);
- if (err) {
- oss_anal_close (&fd);
- return -1;
- }
-
- obt_as.freq = obt.freq;
- obt_as.nchannels = obt.nchannels;
- obt_as.fmt = effective_fmt;
- obt_as.endianness = endianness;
-
- audio_pcm_init_info (&hw->info, &obt_as);
- oss->nfrags = obt.nfrags;
- oss->fragsize = obt.fragsize;
-
- if (obt.nfrags * obt.fragsize & hw->info.align) {
- dolog ("warning: Misaligned DAC buffer, size %d, alignment %d\n",
- obt.nfrags * obt.fragsize, hw->info.align + 1);
- }
-
- hw->samples = (obt.nfrags * obt.fragsize) >> hw->info.shift;
-
- oss->mmapped = 0;
- if (conf->try_mmap) {
- oss->pcm_buf = mmap (
- NULL,
- hw->samples << hw->info.shift,
- PROT_READ | PROT_WRITE,
- MAP_SHARED,
- fd,
- 0
- );
- if (oss->pcm_buf == MAP_FAILED) {
- oss_logerr (errno, "Failed to map %d bytes of DAC\n",
- hw->samples << hw->info.shift);
- }
- else {
- int err;
- int trig = 0;
- if (ioctl (fd, SNDCTL_DSP_SETTRIGGER, &trig) < 0) {
- oss_logerr (errno, "SNDCTL_DSP_SETTRIGGER 0 failed\n");
- }
- else {
- trig = PCM_ENABLE_OUTPUT;
- if (ioctl (fd, SNDCTL_DSP_SETTRIGGER, &trig) < 0) {
- oss_logerr (
- errno,
- "SNDCTL_DSP_SETTRIGGER PCM_ENABLE_OUTPUT failed\n"
- );
- }
- else {
- oss->mmapped = 1;
- }
- }
-
- if (!oss->mmapped) {
- err = munmap (oss->pcm_buf, hw->samples << hw->info.shift);
- if (err) {
- oss_logerr (errno, "Failed to unmap buffer %p size %d\n",
- oss->pcm_buf, hw->samples << hw->info.shift);
- }
- }
- }
- }
-
- if (!oss->mmapped) {
- oss->pcm_buf = audio_calloc (
- AUDIO_FUNC,
- hw->samples,
- 1 << hw->info.shift
- );
- if (!oss->pcm_buf) {
- dolog (
- "Could not allocate DAC buffer (%d samples, each %d bytes)\n",
- hw->samples,
- 1 << hw->info.shift
- );
- oss_anal_close (&fd);
- return -1;
- }
- }
-
- oss->fd = fd;
- oss->conf = conf;
- return 0;
-}
-
-static int oss_ctl_out (HWVoiceOut *hw, int cmd, ...)
-{
- int trig;
- OSSVoiceOut *oss = (OSSVoiceOut *) hw;
-
- switch (cmd) {
- case VOICE_ENABLE:
- {
- va_list ap;
- int poll_mode;
-
- va_start (ap, cmd);
- poll_mode = va_arg (ap, int);
- va_end (ap);
-
- ldebug ("enabling voice\n");
- if (poll_mode) {
- oss_poll_out (hw);
- poll_mode = 0;
- }
- hw->poll_mode = poll_mode;
-
- if (!oss->mmapped) {
- return 0;
- }
-
- audio_pcm_info_clear_buf (&hw->info, oss->pcm_buf, hw->samples);
- trig = PCM_ENABLE_OUTPUT;
- if (ioctl (oss->fd, SNDCTL_DSP_SETTRIGGER, &trig) < 0) {
- oss_logerr (
- errno,
- "SNDCTL_DSP_SETTRIGGER PCM_ENABLE_OUTPUT failed\n"
- );
- return -1;
- }
- }
- break;
-
- case VOICE_DISABLE:
- if (hw->poll_mode) {
- qemu_set_fd_handler (oss->fd, NULL, NULL, NULL);
- hw->poll_mode = 0;
- }
-
- if (!oss->mmapped) {
- return 0;
- }
-
- ldebug ("disabling voice\n");
- trig = 0;
- if (ioctl (oss->fd, SNDCTL_DSP_SETTRIGGER, &trig) < 0) {
- oss_logerr (errno, "SNDCTL_DSP_SETTRIGGER 0 failed\n");
- return -1;
- }
- break;
- }
- return 0;
-}
-
-static int oss_init_in(HWVoiceIn *hw, struct audsettings *as, void *drv_opaque)
-{
- OSSVoiceIn *oss = (OSSVoiceIn *) hw;
- struct oss_params req, obt;
- int endianness;
- int err;
- int fd;
- audfmt_e effective_fmt;
- struct audsettings obt_as;
- OSSConf *conf = drv_opaque;
-
- oss->fd = -1;
-
- req.fmt = aud_to_ossfmt (as->fmt, as->endianness);
- req.freq = as->freq;
- req.nchannels = as->nchannels;
- req.fragsize = conf->fragsize;
- req.nfrags = conf->nfrags;
- if (oss_open (1, &req, &obt, &fd, conf)) {
- return -1;
- }
-
- err = oss_to_audfmt (obt.fmt, &effective_fmt, &endianness);
- if (err) {
- oss_anal_close (&fd);
- return -1;
- }
-
- obt_as.freq = obt.freq;
- obt_as.nchannels = obt.nchannels;
- obt_as.fmt = effective_fmt;
- obt_as.endianness = endianness;
-
- audio_pcm_init_info (&hw->info, &obt_as);
- oss->nfrags = obt.nfrags;
- oss->fragsize = obt.fragsize;
-
- if (obt.nfrags * obt.fragsize & hw->info.align) {
- dolog ("warning: Misaligned ADC buffer, size %d, alignment %d\n",
- obt.nfrags * obt.fragsize, hw->info.align + 1);
- }
-
- hw->samples = (obt.nfrags * obt.fragsize) >> hw->info.shift;
- oss->pcm_buf = audio_calloc (AUDIO_FUNC, hw->samples, 1 << hw->info.shift);
- if (!oss->pcm_buf) {
- dolog ("Could not allocate ADC buffer (%d samples, each %d bytes)\n",
- hw->samples, 1 << hw->info.shift);
- oss_anal_close (&fd);
- return -1;
- }
-
- oss->fd = fd;
- oss->conf = conf;
- return 0;
-}
-
-static void oss_fini_in (HWVoiceIn *hw)
-{
- OSSVoiceIn *oss = (OSSVoiceIn *) hw;
-
- oss_anal_close (&oss->fd);
-
- g_free(oss->pcm_buf);
- oss->pcm_buf = NULL;
-}
-
-static int oss_run_in (HWVoiceIn *hw)
-{
- OSSVoiceIn *oss = (OSSVoiceIn *) hw;
- int hwshift = hw->info.shift;
- int i;
- int live = audio_pcm_hw_get_live_in (hw);
- int dead = hw->samples - live;
- size_t read_samples = 0;
- struct {
- int add;
- int len;
- } bufs[2] = {
- { .add = hw->wpos, .len = 0 },
- { .add = 0, .len = 0 }
- };
-
- if (!dead) {
- return 0;
- }
-
- if (hw->wpos + dead > hw->samples) {
- bufs[0].len = (hw->samples - hw->wpos) << hwshift;
- bufs[1].len = (dead - (hw->samples - hw->wpos)) << hwshift;
- }
- else {
- bufs[0].len = dead << hwshift;
- }
-
- for (i = 0; i < 2; ++i) {
- ssize_t nread;
-
- if (bufs[i].len) {
- void *p = advance (oss->pcm_buf, bufs[i].add << hwshift);
- nread = read (oss->fd, p, bufs[i].len);
-
- if (nread > 0) {
- if (nread & hw->info.align) {
- dolog ("warning: Misaligned read %zd (requested %d), "
- "alignment %d\n", nread, bufs[i].add << hwshift,
- hw->info.align + 1);
- }
- read_samples += nread >> hwshift;
- hw->conv (hw->conv_buf + bufs[i].add, p, nread >> hwshift);
- }
-
- if (bufs[i].len - nread) {
- if (nread == -1) {
- switch (errno) {
- case EINTR:
- case EAGAIN:
- break;
- default:
- oss_logerr (
- errno,
- "Failed to read %d bytes of audio (to %p)\n",
- bufs[i].len, p
- );
- break;
- }
- }
- break;
- }
- }
- }
-
- hw->wpos = (hw->wpos + read_samples) % hw->samples;
- return read_samples;
-}
-
-static int oss_read (SWVoiceIn *sw, void *buf, int size)
-{
- return audio_pcm_sw_read (sw, buf, size);
-}
-
-static int oss_ctl_in (HWVoiceIn *hw, int cmd, ...)
-{
- OSSVoiceIn *oss = (OSSVoiceIn *) hw;
-
- switch (cmd) {
- case VOICE_ENABLE:
- {
- va_list ap;
- int poll_mode;
-
- va_start (ap, cmd);
- poll_mode = va_arg (ap, int);
- va_end (ap);
-
- if (poll_mode) {
- oss_poll_in (hw);
- poll_mode = 0;
- }
- hw->poll_mode = poll_mode;
- }
- break;
-
- case VOICE_DISABLE:
- if (hw->poll_mode) {
- hw->poll_mode = 0;
- qemu_set_fd_handler (oss->fd, NULL, NULL, NULL);
- }
- break;
- }
- return 0;
-}
-
-static OSSConf glob_conf = {
- .try_mmap = 0,
- .nfrags = 4,
- .fragsize = 4096,
- .devpath_out = "/dev/dsp",
- .devpath_in = "/dev/dsp",
- .exclusive = 0,
- .policy = 5
-};
-
-static void *oss_audio_init (void)
-{
- OSSConf *conf = g_malloc(sizeof(OSSConf));
- *conf = glob_conf;
-
- if (access(conf->devpath_in, R_OK | W_OK) < 0 ||
- access(conf->devpath_out, R_OK | W_OK) < 0) {
- g_free(conf);
- return NULL;
- }
- return conf;
-}
-
-static void oss_audio_fini (void *opaque)
-{
- g_free(opaque);
-}
-
-static struct audio_option oss_options[] = {
- {
- .name = "FRAGSIZE",
- .tag = AUD_OPT_INT,
- .valp = &glob_conf.fragsize,
- .descr = "Fragment size in bytes"
- },
- {
- .name = "NFRAGS",
- .tag = AUD_OPT_INT,
- .valp = &glob_conf.nfrags,
- .descr = "Number of fragments"
- },
- {
- .name = "MMAP",
- .tag = AUD_OPT_BOOL,
- .valp = &glob_conf.try_mmap,
- .descr = "Try using memory mapped access"
- },
- {
- .name = "DAC_DEV",
- .tag = AUD_OPT_STR,
- .valp = &glob_conf.devpath_out,
- .descr = "Path to DAC device"
- },
- {
- .name = "ADC_DEV",
- .tag = AUD_OPT_STR,
- .valp = &glob_conf.devpath_in,
- .descr = "Path to ADC device"
- },
- {
- .name = "EXCLUSIVE",
- .tag = AUD_OPT_BOOL,
- .valp = &glob_conf.exclusive,
- .descr = "Open device in exclusive mode (vmix wont work)"
- },
-#ifdef USE_DSP_POLICY
- {
- .name = "POLICY",
- .tag = AUD_OPT_INT,
- .valp = &glob_conf.policy,
- .descr = "Set the timing policy of the device, -1 to use fragment mode",
- },
-#endif
- { /* End of list */ }
-};
-
-static struct audio_pcm_ops oss_pcm_ops = {
- .init_out = oss_init_out,
- .fini_out = oss_fini_out,
- .run_out = oss_run_out,
- .write = oss_write,
- .ctl_out = oss_ctl_out,
-
- .init_in = oss_init_in,
- .fini_in = oss_fini_in,
- .run_in = oss_run_in,
- .read = oss_read,
- .ctl_in = oss_ctl_in
-};
-
-struct audio_driver oss_audio_driver = {
- .name = "oss",
- .descr = "OSS http://www.opensound.com",
- .options = oss_options,
- .init = oss_audio_init,
- .fini = oss_audio_fini,
- .pcm_ops = &oss_pcm_ops,
- .can_be_default = 1,
- .max_voices_out = INT_MAX,
- .max_voices_in = INT_MAX,
- .voice_size_out = sizeof (OSSVoiceOut),
- .voice_size_in = sizeof (OSSVoiceIn)
-};