-/* $Id$ */
-
/***
- This file is part of polypaudio.
-
- polypaudio is free software; you can redistribute it and/or modify
+ This file is part of PulseAudio.
+
+ Copyright 2004-2006 Lennart Poettering
+ Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB
+
+ PulseAudio is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published
by the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
-
- polypaudio is distributed in the hope that it will be useful, but
+
+ PulseAudio is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
-
+
You should have received a copy of the GNU Lesser General Public License
- along with polypaudio; if not, write to the Free Software
+ along with PulseAudio; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
USA.
***/
+/* General power management rules:
+ *
+ * When SUSPENDED we close the audio device.
+ *
+ * We make no difference between IDLE and RUNNING in our handling.
+ *
+ * As long as we are in RUNNING/IDLE state we will *always* write data to
+ * the device. If none is avilable from the inputs, we write silence
+ * instead.
+ *
+ * If power should be saved on IDLE module-suspend-on-idle should be used.
+ *
+ */
+
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
+#ifdef HAVE_SYS_MMAN_H
+#include <sys/mman.h>
+#endif
+
#include <sys/soundcard.h>
#include <sys/ioctl.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <stdio.h>
-#include <assert.h>
#include <errno.h>
#include <string.h>
#include <fcntl.h>
#include <unistd.h>
#include <limits.h>
-
-#include <polypcore/iochannel.h>
-#include <polypcore/sink.h>
-#include <polypcore/source.h>
-#include <polypcore/module.h>
-#include <polypcore/sample-util.h>
-#include <polypcore/util.h>
-#include <polypcore/modargs.h>
-#include <polypcore/xmalloc.h>
-#include <polypcore/log.h>
+#include <signal.h>
+#include <poll.h>
+
+#include <pulse/xmalloc.h>
+#include <pulse/util.h>
+
+#include <pulsecore/core-error.h>
+#include <pulsecore/thread.h>
+#include <pulsecore/sink.h>
+#include <pulsecore/source.h>
+#include <pulsecore/module.h>
+#include <pulsecore/sample-util.h>
+#include <pulsecore/core-util.h>
+#include <pulsecore/modargs.h>
+#include <pulsecore/log.h>
+#include <pulsecore/macro.h>
+#include <pulsecore/thread-mq.h>
+#include <pulsecore/rtpoll.h>
#include "oss-util.h"
#include "module-oss-symdef.h"
-PA_MODULE_AUTHOR("Lennart Poettering")
-PA_MODULE_DESCRIPTION("OSS Sink/Source")
-PA_MODULE_VERSION(PACKAGE_VERSION)
+PA_MODULE_AUTHOR("Lennart Poettering");
+PA_MODULE_DESCRIPTION("OSS Sink/Source");
+PA_MODULE_VERSION(PACKAGE_VERSION);
+PA_MODULE_LOAD_ONCE(FALSE);
PA_MODULE_USAGE(
"sink_name=<name for the sink> "
"source_name=<name for the source> "
"rate=<sample rate> "
"fragments=<number of fragments> "
"fragment_size=<fragment size> "
- "channel_map=<channel map>")
+ "channel_map=<channel map> "
+ "mmap=<enable memory mapping?>");
+
+#define DEFAULT_DEVICE "/dev/dsp"
struct userdata {
+ pa_core *core;
+ pa_module *module;
pa_sink *sink;
pa_source *source;
- pa_iochannel *io;
- pa_core *core;
- pa_memchunk memchunk, silence;
+ pa_thread *thread;
+ pa_thread_mq thread_mq;
+ pa_rtpoll *rtpoll;
- uint32_t in_fragment_size, out_fragment_size, sample_size;
- int use_getospace, use_getispace;
+ char *device_name;
+
+ pa_memchunk memchunk;
+
+ size_t frame_size;
+ uint32_t in_fragment_size, out_fragment_size, in_nfrags, out_nfrags, in_hwbuf_size, out_hwbuf_size;
+ pa_bool_t use_getospace, use_getispace;
+ pa_bool_t use_getodelay;
+
+ pa_bool_t sink_suspended, source_suspended;
int fd;
- pa_module *module;
+ int mode;
+
+ int mixer_fd;
+ int mixer_devmask;
+
+ int nfrags, frag_size;
+
+ pa_bool_t use_mmap;
+ unsigned out_mmap_current, in_mmap_current;
+ void *in_mmap, *out_mmap;
+ pa_memblock **in_mmap_memblocks, **out_mmap_memblocks;
+
+ int in_mmap_saved_nfrags, out_mmap_saved_nfrags;
+
+ pa_rtpoll_item *rtpoll_item;
};
static const char* const valid_modargs[] = {
"rate",
"channels",
"channel_map",
+ "mmap",
NULL
};
-#define DEFAULT_SINK_NAME "oss_output"
-#define DEFAULT_SOURCE_NAME "oss_input"
-#define DEFAULT_DEVICE "/dev/dsp"
-#define DEFAULT_NFRAGS 12
-#define DEFAULT_FRAGSIZE 1024
-
-static void update_usage(struct userdata *u) {
- pa_module_set_used(u->module,
- (u->sink ? pa_idxset_size(u->sink->inputs) : 0) +
- (u->sink ? pa_idxset_size(u->sink->monitor_source->outputs) : 0) +
- (u->source ? pa_idxset_size(u->source->outputs) : 0));
-}
+static void trigger(struct userdata *u, pa_bool_t quick) {
+ int enable_bits = 0, zero = 0;
-static void do_write(struct userdata *u) {
- pa_memchunk *memchunk;
- ssize_t r;
- size_t l;
- int loop = 0;
-
- assert(u);
+ pa_assert(u);
- if (!u->sink || !pa_iochannel_is_writable(u->io))
+ if (u->fd < 0)
return;
- update_usage(u);
+ pa_log_debug("trigger");
- l = u->out_fragment_size;
-
- if (u->use_getospace) {
- audio_buf_info info;
-
- if (ioctl(u->fd, SNDCTL_DSP_GETOSPACE, &info) < 0)
- u->use_getospace = 0;
- else {
- if (info.bytes/l > 0) {
- l = (info.bytes/l)*l;
- loop = 1;
- }
- }
- }
+ if (u->source && PA_SOURCE_IS_OPENED(u->source->thread_info.state))
+ enable_bits |= PCM_ENABLE_INPUT;
- do {
- memchunk = &u->memchunk;
-
- if (!memchunk->length)
- if (pa_sink_render(u->sink, l, memchunk) < 0)
- memchunk = &u->silence;
-
- assert(memchunk->memblock);
- assert(memchunk->memblock->data);
- assert(memchunk->length);
-
- if ((r = pa_iochannel_write(u->io, (uint8_t*) memchunk->memblock->data + memchunk->index, memchunk->length)) < 0) {
- pa_log(__FILE__": write() failed: %s", strerror(errno));
- break;
+ if (u->sink && PA_SINK_IS_OPENED(u->sink->thread_info.state))
+ enable_bits |= PCM_ENABLE_OUTPUT;
+
+ pa_log_debug("trigger: %i", enable_bits);
+
+
+ if (u->use_mmap) {
+
+ if (!quick)
+ ioctl(u->fd, SNDCTL_DSP_SETTRIGGER, &zero);
+
+#ifdef SNDCTL_DSP_HALT
+ if (enable_bits == 0)
+ if (ioctl(u->fd, SNDCTL_DSP_HALT, NULL) < 0)
+ pa_log_warn("SNDCTL_DSP_HALT: %s", pa_cstrerror(errno));
+#endif
+
+ if (ioctl(u->fd, SNDCTL_DSP_SETTRIGGER, &enable_bits) < 0)
+ pa_log_warn("SNDCTL_DSP_SETTRIGGER: %s", pa_cstrerror(errno));
+
+ if (u->sink && !(enable_bits & PCM_ENABLE_OUTPUT)) {
+ pa_log_debug("clearing playback buffer");
+ pa_silence_memory(u->out_mmap, u->out_hwbuf_size, &u->sink->sample_spec);
}
-
- if (memchunk == &u->silence)
- assert(r % u->sample_size == 0);
- else {
- u->memchunk.index += r;
- u->memchunk.length -= r;
-
- if (u->memchunk.length <= 0) {
- pa_memblock_unref(u->memchunk.memblock);
- u->memchunk.memblock = NULL;
+
+ } else {
+
+ if (enable_bits)
+ if (ioctl(u->fd, SNDCTL_DSP_POST, NULL) < 0)
+ pa_log_warn("SNDCTL_DSP_POST: %s", pa_cstrerror(errno));
+
+ if (!quick) {
+ /*
+ * Some crappy drivers do not start the recording until we
+ * read something. Without this snippet, poll will never
+ * register the fd as ready.
+ */
+
+ if (u->source && PA_SOURCE_IS_OPENED(u->source->thread_info.state)) {
+ uint8_t *buf = pa_xnew(uint8_t, u->in_fragment_size);
+ pa_read(u->fd, buf, u->in_fragment_size, NULL);
+ pa_xfree(buf);
}
}
+ }
+}
+
+static void mmap_fill_memblocks(struct userdata *u, unsigned n) {
+ pa_assert(u);
+ pa_assert(u->out_mmap_memblocks);
+
+/* pa_log("Mmmap writing %u blocks", n); */
+
+ while (n > 0) {
+ pa_memchunk chunk;
+
+ if (u->out_mmap_memblocks[u->out_mmap_current])
+ pa_memblock_unref_fixed(u->out_mmap_memblocks[u->out_mmap_current]);
+
+ chunk.memblock = u->out_mmap_memblocks[u->out_mmap_current] =
+ pa_memblock_new_fixed(
+ u->core->mempool,
+ (uint8_t*) u->out_mmap + u->out_fragment_size * u->out_mmap_current,
+ u->out_fragment_size,
+ 1);
+
+ chunk.length = pa_memblock_get_length(chunk.memblock);
+ chunk.index = 0;
- l = l > (size_t) r ? l - r : 0;
- } while (loop && l > 0);
+ pa_sink_render_into_full(u->sink, &chunk);
+
+ u->out_mmap_current++;
+ while (u->out_mmap_current >= u->out_nfrags)
+ u->out_mmap_current -= u->out_nfrags;
+
+ n--;
+ }
}
-static void do_read(struct userdata *u) {
- pa_memchunk memchunk;
- ssize_t r;
- size_t l;
- int loop = 0;
- assert(u);
-
- if (!u->source || !pa_iochannel_is_readable(u->io) || !pa_idxset_size(u->source->outputs))
- return;
+static int mmap_write(struct userdata *u) {
+ struct count_info info;
- update_usage(u);
+ pa_assert(u);
+ pa_assert(u->sink);
- l = u->in_fragment_size;
+/* pa_log("Mmmap writing..."); */
- if (u->use_getispace) {
- audio_buf_info info;
-
- if (ioctl(u->fd, SNDCTL_DSP_GETISPACE, &info) < 0)
- u->use_getispace = 0;
- else {
- if (info.bytes/l > 0) {
- l = (info.bytes/l)*l;
- loop = 1;
- }
+ if (ioctl(u->fd, SNDCTL_DSP_GETOPTR, &info) < 0) {
+ pa_log("SNDCTL_DSP_GETOPTR: %s", pa_cstrerror(errno));
+ return -1;
+ }
+
+ info.blocks += u->out_mmap_saved_nfrags;
+ u->out_mmap_saved_nfrags = 0;
+
+ if (info.blocks > 0)
+ mmap_fill_memblocks(u, info.blocks);
+
+ return info.blocks;
+}
+
+static void mmap_post_memblocks(struct userdata *u, unsigned n) {
+ pa_assert(u);
+ pa_assert(u->in_mmap_memblocks);
+
+/* pa_log("Mmmap reading %u blocks", n); */
+
+ while (n > 0) {
+ pa_memchunk chunk;
+
+ if (!u->in_mmap_memblocks[u->in_mmap_current]) {
+
+ chunk.memblock = u->in_mmap_memblocks[u->in_mmap_current] =
+ pa_memblock_new_fixed(
+ u->core->mempool,
+ (uint8_t*) u->in_mmap + u->in_fragment_size*u->in_mmap_current,
+ u->in_fragment_size,
+ 1);
+
+ chunk.length = pa_memblock_get_length(chunk.memblock);
+ chunk.index = 0;
+
+ pa_source_post(u->source, &chunk);
}
+
+ u->in_mmap_current++;
+ while (u->in_mmap_current >= u->in_nfrags)
+ u->in_mmap_current -= u->in_nfrags;
+
+ n--;
}
-
- do {
- memchunk.memblock = pa_memblock_new(l, u->core->memblock_stat);
- assert(memchunk.memblock);
- if ((r = pa_iochannel_read(u->io, memchunk.memblock->data, memchunk.memblock->length)) < 0) {
- pa_memblock_unref(memchunk.memblock);
- if (errno != EAGAIN)
- pa_log(__FILE__": read() failed: %s", strerror(errno));
- break;
+}
+
+static void mmap_clear_memblocks(struct userdata*u, unsigned n) {
+ unsigned i = u->in_mmap_current;
+
+ pa_assert(u);
+ pa_assert(u->in_mmap_memblocks);
+
+ if (n > u->in_nfrags)
+ n = u->in_nfrags;
+
+ while (n > 0) {
+ if (u->in_mmap_memblocks[i]) {
+ pa_memblock_unref_fixed(u->in_mmap_memblocks[i]);
+ u->in_mmap_memblocks[i] = NULL;
}
-
- assert(r <= (ssize_t) memchunk.memblock->length);
- memchunk.length = memchunk.memblock->length = r;
- memchunk.index = 0;
-
- pa_source_post(u->source, &memchunk);
- pa_memblock_unref(memchunk.memblock);
-
- l = l > (size_t) r ? l - r : 0;
- } while (loop && l > 0);
+
+ i++;
+ while (i >= u->in_nfrags)
+ i -= u->in_nfrags;
+
+ n--;
+ }
}
-static void io_callback(PA_GCC_UNUSED pa_iochannel *io, void*userdata) {
- struct userdata *u = userdata;
- assert(u);
- do_write(u);
- do_read(u);
+static int mmap_read(struct userdata *u) {
+ struct count_info info;
+ pa_assert(u);
+ pa_assert(u->source);
+
+/* pa_log("Mmmap reading..."); */
+
+ if (ioctl(u->fd, SNDCTL_DSP_GETIPTR, &info) < 0) {
+ pa_log("SNDCTL_DSP_GETIPTR: %s", pa_cstrerror(errno));
+ return -1;
+ }
+
+/* pa_log("... %i", info.blocks); */
+
+ info.blocks += u->in_mmap_saved_nfrags;
+ u->in_mmap_saved_nfrags = 0;
+
+ if (info.blocks > 0) {
+ mmap_post_memblocks(u, info.blocks);
+ mmap_clear_memblocks(u, u->in_nfrags/2);
+ }
+
+ return info.blocks;
+}
+
+static pa_usec_t mmap_sink_get_latency(struct userdata *u) {
+ struct count_info info;
+ size_t bpos, n;
+
+ pa_assert(u);
+
+ if (ioctl(u->fd, SNDCTL_DSP_GETOPTR, &info) < 0) {
+ pa_log("SNDCTL_DSP_GETOPTR: %s", pa_cstrerror(errno));
+ return 0;
+ }
+
+ u->out_mmap_saved_nfrags += info.blocks;
+
+ bpos = ((u->out_mmap_current + u->out_mmap_saved_nfrags) * u->out_fragment_size) % u->out_hwbuf_size;
+
+ if (bpos <= (size_t) info.ptr)
+ n = u->out_hwbuf_size - (info.ptr - bpos);
+ else
+ n = bpos - info.ptr;
+
+/* pa_log("n = %u, bpos = %u, ptr = %u, total=%u, fragsize = %u, n_frags = %u\n", n, bpos, (unsigned) info.ptr, total, u->out_fragment_size, u->out_fragments); */
+
+ return pa_bytes_to_usec(n, &u->sink->sample_spec);
}
-static void source_notify_cb(pa_source *s) {
- struct userdata *u = s->userdata;
- assert(u);
- do_read(u);
+static pa_usec_t mmap_source_get_latency(struct userdata *u) {
+ struct count_info info;
+ size_t bpos, n;
+
+ pa_assert(u);
+
+ if (ioctl(u->fd, SNDCTL_DSP_GETIPTR, &info) < 0) {
+ pa_log("SNDCTL_DSP_GETIPTR: %s", pa_cstrerror(errno));
+ return 0;
+ }
+
+ u->in_mmap_saved_nfrags += info.blocks;
+ bpos = ((u->in_mmap_current + u->in_mmap_saved_nfrags) * u->in_fragment_size) % u->in_hwbuf_size;
+
+ if (bpos <= (size_t) info.ptr)
+ n = info.ptr - bpos;
+ else
+ n = u->in_hwbuf_size - bpos + info.ptr;
+
+/* pa_log("n = %u, bpos = %u, ptr = %u, total=%u, fragsize = %u, n_frags = %u\n", n, bpos, (unsigned) info.ptr, total, u->in_fragment_size, u->in_fragments); */
+
+ return pa_bytes_to_usec(n, &u->source->sample_spec);
}
-static pa_usec_t sink_get_latency_cb(pa_sink *s) {
+static pa_usec_t io_sink_get_latency(struct userdata *u) {
pa_usec_t r = 0;
- int arg;
- struct userdata *u = s->userdata;
- assert(s && u && u->sink);
- if (ioctl(u->fd, SNDCTL_DSP_GETODELAY, &arg) < 0) {
- pa_log_info(__FILE__": device doesn't support SNDCTL_DSP_GETODELAY: %s", strerror(errno));
- s->get_latency = NULL;
- return 0;
+ pa_assert(u);
+
+ if (u->use_getodelay) {
+ int arg;
+
+ if (ioctl(u->fd, SNDCTL_DSP_GETODELAY, &arg) < 0) {
+ pa_log_info("Device doesn't support SNDCTL_DSP_GETODELAY: %s", pa_cstrerror(errno));
+ u->use_getodelay = 0;
+ } else
+ r = pa_bytes_to_usec(arg, &u->sink->sample_spec);
+
}
- r += pa_bytes_to_usec(arg, &s->sample_spec);
+ if (!u->use_getodelay && u->use_getospace) {
+ struct audio_buf_info info;
+
+ if (ioctl(u->fd, SNDCTL_DSP_GETOSPACE, &info) < 0) {
+ pa_log_info("Device doesn't support SNDCTL_DSP_GETOSPACE: %s", pa_cstrerror(errno));
+ u->use_getospace = 0;
+ } else
+ r = pa_bytes_to_usec(info.bytes, &u->sink->sample_spec);
+ }
if (u->memchunk.memblock)
- r += pa_bytes_to_usec(u->memchunk.length, &s->sample_spec);
+ r += pa_bytes_to_usec(u->memchunk.length, &u->sink->sample_spec);
return r;
}
-static pa_usec_t source_get_latency_cb(pa_source *s) {
- struct userdata *u = s->userdata;
- audio_buf_info info;
- assert(s && u && u->source);
- if (!u->use_getispace)
- return 0;
-
- if (ioctl(u->fd, SNDCTL_DSP_GETISPACE, &info) < 0) {
- u->use_getispace = 0;
- return 0;
+static pa_usec_t io_source_get_latency(struct userdata *u) {
+ pa_usec_t r = 0;
+
+ pa_assert(u);
+
+ if (u->use_getispace) {
+ struct audio_buf_info info;
+
+ if (ioctl(u->fd, SNDCTL_DSP_GETISPACE, &info) < 0) {
+ pa_log_info("Device doesn't support SNDCTL_DSP_GETISPACE: %s", pa_cstrerror(errno));
+ u->use_getispace = 0;
+ } else
+ r = pa_bytes_to_usec(info.bytes, &u->source->sample_spec);
}
-
- if (info.bytes <= 0)
- return 0;
- return pa_bytes_to_usec(info.bytes, &s->sample_spec);
+ return r;
}
-static int sink_get_hw_volume(pa_sink *s) {
- struct userdata *u = s->userdata;
+static void build_pollfd(struct userdata *u) {
+ struct pollfd *pollfd;
- if (pa_oss_get_pcm_volume(u->fd, &s->sample_spec, &s->hw_volume) < 0) {
- pa_log_info(__FILE__": device doesn't support reading mixer settings: %s", strerror(errno));
- s->get_hw_volume = NULL;
- return -1;
+ pa_assert(u);
+ pa_assert(u->fd >= 0);
+
+ if (u->rtpoll_item)
+ pa_rtpoll_item_free(u->rtpoll_item);
+
+ u->rtpoll_item = pa_rtpoll_item_new(u->rtpoll, PA_RTPOLL_NEVER, 1);
+ pollfd = pa_rtpoll_item_get_pollfd(u->rtpoll_item, NULL);
+ pollfd->fd = u->fd;
+ pollfd->events = 0;
+ pollfd->revents = 0;
+}
+
+static int suspend(struct userdata *u) {
+ pa_assert(u);
+ pa_assert(u->fd >= 0);
+
+ pa_log_info("Suspending...");
+
+ if (u->out_mmap_memblocks) {
+ unsigned i;
+ for (i = 0; i < u->out_nfrags; i++)
+ if (u->out_mmap_memblocks[i]) {
+ pa_memblock_unref_fixed(u->out_mmap_memblocks[i]);
+ u->out_mmap_memblocks[i] = NULL;
+ }
+ }
+
+ if (u->in_mmap_memblocks) {
+ unsigned i;
+ for (i = 0; i < u->in_nfrags; i++)
+ if (u->in_mmap_memblocks[i]) {
+ pa_memblock_unref_fixed(u->in_mmap_memblocks[i]);
+ u->in_mmap_memblocks[i] = NULL;
+ }
+ }
+
+ if (u->in_mmap && u->in_mmap != MAP_FAILED) {
+ munmap(u->in_mmap, u->in_hwbuf_size);
+ u->in_mmap = NULL;
+ }
+
+ if (u->out_mmap && u->out_mmap != MAP_FAILED) {
+ munmap(u->out_mmap, u->out_hwbuf_size);
+ u->out_mmap = NULL;
+ }
+
+ /* Let's suspend */
+ ioctl(u->fd, SNDCTL_DSP_SYNC, NULL);
+ pa_close(u->fd);
+ u->fd = -1;
+
+ if (u->rtpoll_item) {
+ pa_rtpoll_item_free(u->rtpoll_item);
+ u->rtpoll_item = NULL;
}
+ pa_log_info("Device suspended...");
+
return 0;
}
-static int sink_set_hw_volume(pa_sink *s) {
- struct userdata *u = s->userdata;
+static int unsuspend(struct userdata *u) {
+ int m;
+ pa_sample_spec ss, *ss_original;
+ int frag_size, in_frag_size, out_frag_size;
+ int in_nfrags, out_nfrags;
+ struct audio_buf_info info;
+
+ pa_assert(u);
+ pa_assert(u->fd < 0);
+
+ m = u->mode;
- if (pa_oss_set_pcm_volume(u->fd, &s->sample_spec, &s->hw_volume) < 0) {
- pa_log_info(__FILE__": device doesn't support writing mixer settings: %s", strerror(errno));
- s->set_hw_volume = NULL;
+ pa_log_info("Trying resume...");
+
+ if ((u->fd = pa_oss_open(u->device_name, &m, NULL)) < 0) {
+ pa_log_warn("Resume failed, device busy (%s)", pa_cstrerror(errno));
return -1;
+
+ if (m != u->mode)
+ pa_log_warn("Resume failed, couldn't open device with original access mode.");
+ goto fail;
+ }
+
+ if (u->nfrags >= 2 && u->frag_size >= 1)
+ if (pa_oss_set_fragments(u->fd, u->nfrags, u->frag_size) < 0) {
+ pa_log_warn("Resume failed, couldn't set original fragment settings.");
+ goto fail;
+ }
+
+ ss = *(ss_original = u->sink ? &u->sink->sample_spec : &u->source->sample_spec);
+ if (pa_oss_auto_format(u->fd, &ss) < 0 || !pa_sample_spec_equal(&ss, ss_original)) {
+ pa_log_warn("Resume failed, couldn't set original sample format settings.");
+ goto fail;
+ }
+
+ if (ioctl(u->fd, SNDCTL_DSP_GETBLKSIZE, &frag_size) < 0) {
+ pa_log_warn("SNDCTL_DSP_GETBLKSIZE: %s", pa_cstrerror(errno));
+ goto fail;
+ }
+
+ in_frag_size = out_frag_size = frag_size;
+ in_nfrags = out_nfrags = u->nfrags;
+
+ if (ioctl(u->fd, SNDCTL_DSP_GETISPACE, &info) >= 0) {
+ in_frag_size = info.fragsize;
+ in_nfrags = info.fragstotal;
}
+ if (ioctl(u->fd, SNDCTL_DSP_GETOSPACE, &info) >= 0) {
+ out_frag_size = info.fragsize;
+ out_nfrags = info.fragstotal;
+ }
+
+ if ((u->source && (in_frag_size != (int) u->in_fragment_size || in_nfrags != (int) u->in_nfrags)) ||
+ (u->sink && (out_frag_size != (int) u->out_fragment_size || out_nfrags != (int) u->out_nfrags))) {
+ pa_log_warn("Resume failed, input fragment settings don't match.");
+ goto fail;
+ }
+
+ if (u->use_mmap) {
+ if (u->source) {
+ if ((u->in_mmap = mmap(NULL, u->in_hwbuf_size, PROT_READ, MAP_SHARED, u->fd, 0)) == MAP_FAILED) {
+ pa_log("Resume failed, mmap(): %s", pa_cstrerror(errno));
+ goto fail;
+ }
+ }
+
+ if (u->sink) {
+ if ((u->out_mmap = mmap(NULL, u->out_hwbuf_size, PROT_WRITE, MAP_SHARED, u->fd, 0)) == MAP_FAILED) {
+ pa_log("Resume failed, mmap(): %s", pa_cstrerror(errno));
+ if (u->in_mmap && u->in_mmap != MAP_FAILED) {
+ munmap(u->in_mmap, u->in_hwbuf_size);
+ u->in_mmap = NULL;
+ }
+
+ goto fail;
+ }
+
+ pa_silence_memory(u->out_mmap, u->out_hwbuf_size, &ss);
+ }
+ }
+
+ u->out_mmap_current = u->in_mmap_current = 0;
+ u->out_mmap_saved_nfrags = u->in_mmap_saved_nfrags = 0;
+
+ pa_assert(!u->rtpoll_item);
+
+ build_pollfd(u);
+
+ if (u->sink)
+ pa_sink_get_volume(u->sink);
+ if (u->source)
+ pa_source_get_volume(u->source);
+
+ pa_log_info("Resumed successfully...");
+
return 0;
+
+fail:
+ pa_close(u->fd);
+ u->fd = -1;
+ return -1;
}
-static int source_get_hw_volume(pa_source *s) {
- struct userdata *u = s->userdata;
+static int sink_process_msg(pa_msgobject *o, int code, void *data, int64_t offset, pa_memchunk *chunk) {
+ struct userdata *u = PA_SINK(o)->userdata;
+ int ret;
+ pa_bool_t do_trigger = FALSE, quick = TRUE;
+
+ switch (code) {
+
+ case PA_SINK_MESSAGE_GET_LATENCY: {
+ pa_usec_t r = 0;
+
+ if (u->fd >= 0) {
+ if (u->use_mmap)
+ r = mmap_sink_get_latency(u);
+ else
+ r = io_sink_get_latency(u);
+ }
+
+ *((pa_usec_t*) data) = r;
+
+ return 0;
+ }
+
+ case PA_SINK_MESSAGE_SET_STATE:
+
+ switch ((pa_sink_state_t) PA_PTR_TO_UINT(data)) {
+
+ case PA_SINK_SUSPENDED:
+ pa_assert(PA_SINK_IS_OPENED(u->sink->thread_info.state));
+
+ if (!u->source || u->source_suspended) {
+ if (suspend(u) < 0)
+ return -1;
+ }
+
+ do_trigger = TRUE;
+
+ u->sink_suspended = TRUE;
+ break;
+
+ case PA_SINK_IDLE:
+ case PA_SINK_RUNNING:
+
+ if (u->sink->thread_info.state == PA_SINK_INIT) {
+ do_trigger = TRUE;
+ quick = u->source && PA_SOURCE_IS_OPENED(u->source->thread_info.state);
+ }
+
+ if (u->sink->thread_info.state == PA_SINK_SUSPENDED) {
+
+ if (!u->source || u->source_suspended) {
+ if (unsuspend(u) < 0)
+ return -1;
+ quick = FALSE;
+ }
+
+ do_trigger = TRUE;
+
+ u->out_mmap_current = 0;
+ u->out_mmap_saved_nfrags = 0;
+
+ u->sink_suspended = FALSE;
+ }
+
+ break;
+
+ case PA_SINK_UNLINKED:
+ case PA_SINK_INIT:
+ ;
+ }
+
+ break;
- if (pa_oss_get_input_volume(u->fd, &s->sample_spec, &s->hw_volume) < 0) {
- pa_log_info(__FILE__": device doesn't support reading mixer settings: %s", strerror(errno));
- s->get_hw_volume = NULL;
- return -1;
}
- return 0;
+ ret = pa_sink_process_msg(o, code, data, offset, chunk);
+
+ if (do_trigger)
+ trigger(u, quick);
+
+ return ret;
}
-static int source_set_hw_volume(pa_source *s) {
- struct userdata *u = s->userdata;
+static int source_process_msg(pa_msgobject *o, int code, void *data, int64_t offset, pa_memchunk *chunk) {
+ struct userdata *u = PA_SOURCE(o)->userdata;
+ int ret;
+ int do_trigger = FALSE, quick = TRUE;
+
+ switch (code) {
+
+ case PA_SOURCE_MESSAGE_GET_LATENCY: {
+ pa_usec_t r = 0;
+
+ if (u->fd >= 0) {
+ if (u->use_mmap)
+ r = mmap_source_get_latency(u);
+ else
+ r = io_source_get_latency(u);
+ }
+
+ *((pa_usec_t*) data) = r;
+ return 0;
+ }
+
+ case PA_SOURCE_MESSAGE_SET_STATE:
+
+ switch ((pa_source_state_t) PA_PTR_TO_UINT(data)) {
+ case PA_SOURCE_SUSPENDED:
+ pa_assert(PA_SOURCE_IS_OPENED(u->source->thread_info.state));
+
+ if (!u->sink || u->sink_suspended) {
+ if (suspend(u) < 0)
+ return -1;
+ }
+
+ do_trigger = TRUE;
+
+ u->source_suspended = TRUE;
+ break;
+
+ case PA_SOURCE_IDLE:
+ case PA_SOURCE_RUNNING:
+
+ if (u->source->thread_info.state == PA_SOURCE_INIT) {
+ do_trigger = TRUE;
+ quick = u->sink && PA_SINK_IS_OPENED(u->sink->thread_info.state);
+ }
+
+ if (u->source->thread_info.state == PA_SOURCE_SUSPENDED) {
+
+ if (!u->sink || u->sink_suspended) {
+ if (unsuspend(u) < 0)
+ return -1;
+ quick = FALSE;
+ }
+
+ do_trigger = TRUE;
+
+ u->in_mmap_current = 0;
+ u->in_mmap_saved_nfrags = 0;
+
+ u->source_suspended = FALSE;
+ }
+ break;
+
+ case PA_SOURCE_UNLINKED:
+ case PA_SOURCE_INIT:
+ ;
+
+ }
+ break;
- if (pa_oss_set_input_volume(u->fd, &s->sample_spec, &s->hw_volume) < 0) {
- pa_log_info(__FILE__": device doesn't support writing mixer settings: %s", strerror(errno));
- s->set_hw_volume = NULL;
- return -1;
}
- return 0;
+ ret = pa_source_process_msg(o, code, data, offset, chunk);
+
+ if (do_trigger)
+ trigger(u, quick);
+
+ return ret;
+}
+
+static int sink_get_volume(pa_sink *s) {
+ struct userdata *u;
+ int r;
+
+ pa_assert_se(u = s->userdata);
+
+ pa_assert(u->mixer_devmask & (SOUND_MASK_VOLUME|SOUND_MASK_PCM));
+
+ if (u->mixer_devmask & SOUND_MASK_VOLUME)
+ if ((r = pa_oss_get_volume(u->mixer_fd, SOUND_MIXER_READ_VOLUME, &s->sample_spec, &s->volume)) >= 0)
+ return r;
+
+ if (u->mixer_devmask & SOUND_MASK_PCM)
+ if ((r = pa_oss_get_volume(u->mixer_fd, SOUND_MIXER_READ_PCM, &s->sample_spec, &s->volume)) >= 0)
+ return r;
+
+ pa_log_info("Device doesn't support reading mixer settings: %s", pa_cstrerror(errno));
+ return -1;
+}
+
+static int sink_set_volume(pa_sink *s) {
+ struct userdata *u;
+ int r;
+
+ pa_assert_se(u = s->userdata);
+
+ pa_assert(u->mixer_devmask & (SOUND_MASK_VOLUME|SOUND_MASK_PCM));
+
+ if (u->mixer_devmask & SOUND_MASK_VOLUME)
+ if ((r = pa_oss_set_volume(u->mixer_fd, SOUND_MIXER_WRITE_VOLUME, &s->sample_spec, &s->volume)) >= 0)
+ return r;
+
+ if (u->mixer_devmask & SOUND_MASK_PCM)
+ if ((r = pa_oss_get_volume(u->mixer_fd, SOUND_MIXER_WRITE_PCM, &s->sample_spec, &s->volume)) >= 0)
+ return r;
+
+ pa_log_info("Device doesn't support writing mixer settings: %s", pa_cstrerror(errno));
+ return -1;
+}
+
+static int source_get_volume(pa_source *s) {
+ struct userdata *u;
+ int r;
+
+ pa_assert_se(u = s->userdata);
+
+ pa_assert(u->mixer_devmask & (SOUND_MASK_IGAIN|SOUND_MASK_RECLEV));
+
+ if (u->mixer_devmask & SOUND_MASK_IGAIN)
+ if ((r = pa_oss_get_volume(u->mixer_fd, SOUND_MIXER_READ_IGAIN, &s->sample_spec, &s->volume)) >= 0)
+ return r;
+
+ if (u->mixer_devmask & SOUND_MASK_RECLEV)
+ if ((r = pa_oss_get_volume(u->mixer_fd, SOUND_MIXER_READ_RECLEV, &s->sample_spec, &s->volume)) >= 0)
+ return r;
+
+ pa_log_info("Device doesn't support reading mixer settings: %s", pa_cstrerror(errno));
+ return -1;
+}
+
+static int source_set_volume(pa_source *s) {
+ struct userdata *u;
+ int r;
+
+ pa_assert_se(u = s->userdata);
+
+ pa_assert(u->mixer_devmask & (SOUND_MASK_IGAIN|SOUND_MASK_RECLEV));
+
+ if (u->mixer_devmask & SOUND_MASK_IGAIN)
+ if ((r = pa_oss_set_volume(u->mixer_fd, SOUND_MIXER_WRITE_IGAIN, &s->sample_spec, &s->volume)) >= 0)
+ return r;
+
+ if (u->mixer_devmask & SOUND_MASK_RECLEV)
+ if ((r = pa_oss_get_volume(u->mixer_fd, SOUND_MIXER_WRITE_RECLEV, &s->sample_spec, &s->volume)) >= 0)
+ return r;
+
+ pa_log_info("Device doesn't support writing mixer settings: %s", pa_cstrerror(errno));
+ return -1;
+}
+
+static void thread_func(void *userdata) {
+ struct userdata *u = userdata;
+ int write_type = 0, read_type = 0;
+ unsigned short revents = 0;
+
+ pa_assert(u);
+
+ pa_log_debug("Thread starting up");
+
+ if (u->core->realtime_scheduling)
+ pa_make_realtime(u->core->realtime_priority);
+
+ pa_thread_mq_install(&u->thread_mq);
+ pa_rtpoll_install(u->rtpoll);
+
+ for (;;) {
+ int ret;
+
+/* pa_log("loop"); */
+
+ /* Render some data and write it to the dsp */
+
+ if (u->sink && PA_SINK_IS_OPENED(u->sink->thread_info.state) && ((revents & POLLOUT) || u->use_mmap || u->use_getospace)) {
+
+ if (u->use_mmap) {
+
+ if ((ret = mmap_write(u)) < 0)
+ goto fail;
+
+ revents &= ~POLLOUT;
+
+ if (ret > 0)
+ continue;
+
+ } else {
+ ssize_t l;
+ pa_bool_t loop = FALSE, work_done = FALSE;
+
+ l = u->out_fragment_size;
+
+ if (u->use_getospace) {
+ audio_buf_info info;
+
+ if (ioctl(u->fd, SNDCTL_DSP_GETOSPACE, &info) < 0) {
+ pa_log_info("Device doesn't support SNDCTL_DSP_GETOSPACE: %s", pa_cstrerror(errno));
+ u->use_getospace = FALSE;
+ } else {
+ l = info.bytes;
+
+ /* We loop only if GETOSPACE worked and we
+ * actually *know* that we can write more than
+ * one fragment at a time */
+ loop = TRUE;
+ }
+ }
+
+ /* Round down to multiples of the fragment size,
+ * because OSS needs that (at least some versions
+ * do) */
+ l = (l/u->out_fragment_size) * u->out_fragment_size;
+
+ /* Hmm, so poll() signalled us that we can read
+ * something, but GETOSPACE told us there was nothing?
+ * Hmm, make the best of it, try to read some data, to
+ * avoid spinning forever. */
+ if (l <= 0 && (revents & POLLOUT)) {
+ l = u->out_fragment_size;
+ loop = FALSE;
+ }
+
+ while (l > 0) {
+ void *p;
+ ssize_t t;
+
+ if (u->memchunk.length <= 0)
+ pa_sink_render(u->sink, l, &u->memchunk);
+
+ pa_assert(u->memchunk.length > 0);
+
+ p = pa_memblock_acquire(u->memchunk.memblock);
+ t = pa_write(u->fd, (uint8_t*) p + u->memchunk.index, u->memchunk.length, &write_type);
+ pa_memblock_release(u->memchunk.memblock);
+
+/* pa_log("wrote %i bytes of %u", t, l); */
+
+ pa_assert(t != 0);
+
+ if (t < 0) {
+
+ if (errno == EINTR)
+ continue;
+
+ else if (errno == EAGAIN) {
+ pa_log_debug("EAGAIN");
+
+ revents &= ~POLLOUT;
+ break;
+
+ } else {
+ pa_log("Failed to write data to DSP: %s", pa_cstrerror(errno));
+ goto fail;
+ }
+
+ } else {
+
+ u->memchunk.index += t;
+ u->memchunk.length -= t;
+
+ if (u->memchunk.length <= 0) {
+ pa_memblock_unref(u->memchunk.memblock);
+ pa_memchunk_reset(&u->memchunk);
+ }
+
+ l -= t;
+
+ revents &= ~POLLOUT;
+ work_done = TRUE;
+ }
+
+ if (!loop)
+ break;
+ }
+
+ if (work_done)
+ continue;
+ }
+ }
+
+ /* Try to read some data and pass it on to the source driver. */
+
+ if (u->source && PA_SOURCE_IS_OPENED(u->source->thread_info.state) && ((revents & POLLIN) || u->use_mmap || u->use_getispace)) {
+
+ if (u->use_mmap) {
+
+ if ((ret = mmap_read(u)) < 0)
+ goto fail;
+
+ revents &= ~POLLIN;
+
+ if (ret > 0)
+ continue;
+
+ } else {
+
+ void *p;
+ ssize_t l;
+ pa_memchunk memchunk;
+ pa_bool_t loop = FALSE, work_done = FALSE;
+
+ l = u->in_fragment_size;
+
+ if (u->use_getispace) {
+ audio_buf_info info;
+
+ if (ioctl(u->fd, SNDCTL_DSP_GETISPACE, &info) < 0) {
+ pa_log_info("Device doesn't support SNDCTL_DSP_GETISPACE: %s", pa_cstrerror(errno));
+ u->use_getispace = FALSE;
+ } else {
+ l = info.bytes;
+ loop = TRUE;
+ }
+ }
+
+ l = (l/u->in_fragment_size) * u->in_fragment_size;
+
+ if (l <= 0 && (revents & POLLIN)) {
+ l = u->in_fragment_size;
+ loop = FALSE;
+ }
+
+ while (l > 0) {
+ ssize_t t, k;
+
+ pa_assert(l > 0);
+
+ memchunk.memblock = pa_memblock_new(u->core->mempool, (size_t) -1);
+
+ k = pa_memblock_get_length(memchunk.memblock);
+
+ if (k > l)
+ k = l;
+
+ k = (k/u->frame_size)*u->frame_size;
+
+ p = pa_memblock_acquire(memchunk.memblock);
+ t = pa_read(u->fd, p, k, &read_type);
+ pa_memblock_release(memchunk.memblock);
+
+ pa_assert(t != 0); /* EOF cannot happen */
+
+/* pa_log("read %i bytes of %u", t, l); */
+
+ if (t < 0) {
+ pa_memblock_unref(memchunk.memblock);
+
+ if (errno == EINTR)
+ continue;
+
+ else if (errno == EAGAIN) {
+ pa_log_debug("EAGAIN");
+
+ revents &= ~POLLIN;
+ break;
+
+ } else {
+ pa_log("Failed to read data from DSP: %s", pa_cstrerror(errno));
+ goto fail;
+ }
+
+ } else {
+ memchunk.index = 0;
+ memchunk.length = t;
+
+ pa_source_post(u->source, &memchunk);
+ pa_memblock_unref(memchunk.memblock);
+
+ l -= t;
+
+ revents &= ~POLLIN;
+ work_done = TRUE;
+ }
+
+ if (!loop)
+ break;
+ }
+
+ if (work_done)
+ continue;
+ }
+ }
+
+/* pa_log("loop2 revents=%i", revents); */
+
+ if (u->rtpoll_item) {
+ struct pollfd *pollfd;
+
+ pa_assert(u->fd >= 0);
+
+ pollfd = pa_rtpoll_item_get_pollfd(u->rtpoll_item, NULL);
+ pollfd->events =
+ ((u->source && PA_SOURCE_IS_OPENED(u->source->thread_info.state)) ? POLLIN : 0) |
+ ((u->sink && PA_SINK_IS_OPENED(u->sink->thread_info.state)) ? POLLOUT : 0);
+ }
+
+ /* Hmm, nothing to do. Let's sleep */
+ if ((ret = pa_rtpoll_run(u->rtpoll, TRUE)) < 0)
+ goto fail;
+
+ if (ret == 0)
+ goto finish;
+
+ if (u->rtpoll_item) {
+ struct pollfd *pollfd;
+
+ pollfd = pa_rtpoll_item_get_pollfd(u->rtpoll_item, NULL);
+
+ if (pollfd->revents & ~(POLLOUT|POLLIN)) {
+ pa_log("DSP shutdown.");
+ goto fail;
+ }
+
+ revents = pollfd->revents;
+ } else
+ revents = 0;
+ }
+
+fail:
+ /* If this was no regular exit from the loop we have to continue
+ * processing messages until we received PA_MESSAGE_SHUTDOWN */
+ pa_asyncmsgq_post(u->thread_mq.outq, PA_MSGOBJECT(u->core), PA_CORE_MESSAGE_UNLOAD_MODULE, u->module, 0, NULL, NULL);
+ pa_asyncmsgq_wait_for(u->thread_mq.inq, PA_MESSAGE_SHUTDOWN);
+
+finish:
+ pa_log_debug("Thread shutting down");
}
-int pa__init(pa_core *c, pa_module*m) {
+int pa__init(pa_module*m) {
+
struct audio_buf_info info;
struct userdata *u = NULL;
- const char *p;
+ const char *dev;
int fd = -1;
- int nfrags, frag_size, in_frag_size, out_frag_size;
- int mode;
- int record = 1, playback = 1;
+ int nfrags, frag_size;
+ int mode, caps;
+ pa_bool_t record = TRUE, playback = TRUE, use_mmap = TRUE;
pa_sample_spec ss;
pa_channel_map map;
pa_modargs *ma = NULL;
char hwdesc[64];
-
- assert(c);
- assert(m);
+ const char *name;
+ pa_bool_t namereg_fail;
+ pa_sink_new_data sink_new_data;
+ pa_source_new_data source_new_data;
+
+ pa_assert(m);
if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
- pa_log(__FILE__": failed to parse module arguments.");
+ pa_log("Failed to parse module arguments.");
goto fail;
}
-
+
if (pa_modargs_get_value_boolean(ma, "record", &record) < 0 || pa_modargs_get_value_boolean(ma, "playback", &playback) < 0) {
- pa_log(__FILE__": record= and playback= expect numeric argument.");
+ pa_log("record= and playback= expect boolean argument.");
goto fail;
}
if (!playback && !record) {
- pa_log(__FILE__": neither playback nor record enabled for device.");
+ pa_log("Neither playback nor record enabled for device.");
goto fail;
}
- mode = (playback&&record) ? O_RDWR : (playback ? O_WRONLY : (record ? O_RDONLY : 0));
+ mode = (playback && record) ? O_RDWR : (playback ? O_WRONLY : (record ? O_RDONLY : 0));
+
+ ss = m->core->default_sample_spec;
+ if (pa_modargs_get_sample_spec_and_channel_map(ma, &ss, &map, PA_CHANNEL_MAP_OSS) < 0) {
+ pa_log("Failed to parse sample specification or channel map");
+ goto fail;
+ }
+
+ nfrags = m->core->default_n_fragments;
+ frag_size = pa_usec_to_bytes(m->core->default_fragment_size_msec*1000, &ss);
+ if (frag_size <= 0)
+ frag_size = pa_frame_size(&ss);
- nfrags = DEFAULT_NFRAGS;
- frag_size = DEFAULT_FRAGSIZE;
if (pa_modargs_get_value_s32(ma, "fragments", &nfrags) < 0 || pa_modargs_get_value_s32(ma, "fragment_size", &frag_size) < 0) {
- pa_log(__FILE__": failed to parse fragments arguments");
+ pa_log("Failed to parse fragments arguments");
goto fail;
}
- ss = c->default_sample_spec;
- if (pa_modargs_get_sample_spec_and_channel_map(ma, &ss, &map) < 0) {
- pa_log(__FILE__": failed to parse sample specification or channel map");
+ if (pa_modargs_get_value_boolean(ma, "mmap", &use_mmap) < 0) {
+ pa_log("Failed to parse mmap argument.");
goto fail;
}
-
- if ((fd = pa_oss_open(p = pa_modargs_get_value(ma, "device", DEFAULT_DEVICE), &mode, NULL)) < 0)
+
+ if ((fd = pa_oss_open(dev = pa_modargs_get_value(ma, "device", DEFAULT_DEVICE), &mode, &caps)) < 0)
goto fail;
- if (pa_oss_get_hw_description(p, hwdesc, sizeof(hwdesc)) >= 0)
- pa_log_info(__FILE__": hardware name is '%s'.", hwdesc);
+ if (use_mmap && (!(caps & DSP_CAP_MMAP) || !(caps & DSP_CAP_TRIGGER))) {
+ pa_log_info("OSS device not mmap capable, falling back to UNIX read/write mode.");
+ use_mmap = 0;
+ }
+
+ if (use_mmap && mode == O_WRONLY) {
+ pa_log_info("Device opened for playback only, cannot do memory mapping, falling back to UNIX write() mode.");
+ use_mmap = 0;
+ }
+
+ if (pa_oss_get_hw_description(dev, hwdesc, sizeof(hwdesc)) >= 0)
+ pa_log_info("Hardware name is '%s'.", hwdesc);
else
hwdesc[0] = 0;
-
- pa_log_info(__FILE__": device opened in %s mode.", mode == O_WRONLY ? "O_WRONLY" : (mode == O_RDONLY ? "O_RDONLY" : "O_RDWR"));
+
+ pa_log_info("Device opened in %s mode.", mode == O_WRONLY ? "O_WRONLY" : (mode == O_RDONLY ? "O_RDONLY" : "O_RDWR"));
if (nfrags >= 2 && frag_size >= 1)
- if (pa_oss_set_fragments(fd, nfrags, frag_size) < 0)
- goto fail;
+ if (pa_oss_set_fragments(fd, nfrags, frag_size) < 0)
+ goto fail;
if (pa_oss_auto_format(fd, &ss) < 0)
goto fail;
if (ioctl(fd, SNDCTL_DSP_GETBLKSIZE, &frag_size) < 0) {
- pa_log(__FILE__": SNDCTL_DSP_GETBLKSIZE: %s", strerror(errno));
+ pa_log("SNDCTL_DSP_GETBLKSIZE: %s", pa_cstrerror(errno));
goto fail;
}
- assert(frag_size);
- in_frag_size = out_frag_size = frag_size;
+ pa_assert(frag_size > 0);
+
+ u = pa_xnew0(struct userdata, 1);
+ u->core = m->core;
+ u->module = m;
+ m->userdata = u;
+ u->fd = fd;
+ u->mixer_fd = -1;
+ u->use_getospace = u->use_getispace = TRUE;
+ u->use_getodelay = TRUE;
+ u->mode = mode;
+ u->frame_size = pa_frame_size(&ss);
+ u->device_name = pa_xstrdup(dev);
+ u->in_nfrags = u->out_nfrags = u->nfrags = nfrags;
+ u->out_fragment_size = u->in_fragment_size = u->frag_size = frag_size;
+ u->use_mmap = use_mmap;
+ u->rtpoll = pa_rtpoll_new();
+ pa_thread_mq_init(&u->thread_mq, m->core->mainloop, u->rtpoll);
+ u->rtpoll_item = NULL;
+ build_pollfd(u);
- u = pa_xmalloc(sizeof(struct userdata));
- u->core = c;
- u->use_getospace = u->use_getispace = 0;
-
if (ioctl(fd, SNDCTL_DSP_GETISPACE, &info) >= 0) {
- pa_log_info(__FILE__": input -- %u fragments of size %u.", info.fragstotal, info.fragsize);
- in_frag_size = info.fragsize;
- u->use_getispace = 1;
+ pa_log_info("Input -- %u fragments of size %u.", info.fragstotal, info.fragsize);
+ u->in_fragment_size = info.fragsize;
+ u->in_nfrags = info.fragstotal;
+ u->use_getispace = TRUE;
}
if (ioctl(fd, SNDCTL_DSP_GETOSPACE, &info) >= 0) {
- pa_log_info(__FILE__": output -- %u fragments of size %u.", info.fragstotal, info.fragsize);
- out_frag_size = info.fragsize;
- u->use_getospace = 1;
+ pa_log_info("Output -- %u fragments of size %u.", info.fragstotal, info.fragsize);
+ u->out_fragment_size = info.fragsize;
+ u->out_nfrags = info.fragstotal;
+ u->use_getospace = TRUE;
}
+ u->in_hwbuf_size = u->in_nfrags * u->in_fragment_size;
+ u->out_hwbuf_size = u->out_nfrags * u->out_fragment_size;
+
if (mode != O_WRONLY) {
- if (!(u->source = pa_source_new(c, __FILE__, pa_modargs_get_value(ma, "source_name", DEFAULT_SOURCE_NAME), 0, &ss, &map)))
+ char *name_buf = NULL;
+
+ if (use_mmap) {
+ if ((u->in_mmap = mmap(NULL, u->in_hwbuf_size, PROT_READ, MAP_SHARED, fd, 0)) == MAP_FAILED) {
+ pa_log_warn("mmap(PROT_READ) failed, reverting to non-mmap mode: %s", pa_cstrerror(errno));
+ use_mmap = u->use_mmap = FALSE;
+ u->in_mmap = NULL;
+ } else
+ pa_log_debug("Successfully mmap()ed input buffer.");
+ }
+
+ if ((name = pa_modargs_get_value(ma, "source_name", NULL)))
+ namereg_fail = TRUE;
+ else {
+ name = name_buf = pa_sprintf_malloc("oss_input.%s", pa_path_get_filename(dev));
+ namereg_fail = FALSE;
+ }
+
+ pa_source_new_data_init(&source_new_data);
+ source_new_data.driver = __FILE__;
+ source_new_data.module = m;
+ pa_source_new_data_set_name(&source_new_data, name);
+ source_new_data.namereg_fail = namereg_fail;
+ pa_source_new_data_set_sample_spec(&source_new_data, &ss);
+ pa_source_new_data_set_channel_map(&source_new_data, &map);
+ pa_proplist_sets(source_new_data.proplist, PA_PROP_DEVICE_STRING, dev);
+ pa_proplist_sets(source_new_data.proplist, PA_PROP_DEVICE_API, "oss");
+ pa_proplist_sets(source_new_data.proplist, PA_PROP_DEVICE_DESCRIPTION, hwdesc[0] ? hwdesc : dev);
+ pa_proplist_sets(source_new_data.proplist, PA_PROP_DEVICE_ACCESS_MODE, use_mmap ? "mmap" : "serial");
+ pa_proplist_setf(source_new_data.proplist, PA_PROP_DEVICE_BUFFERING_BUFFER_SIZE, "%lu", (unsigned long) (u->in_hwbuf_size));
+ pa_proplist_setf(source_new_data.proplist, PA_PROP_DEVICE_BUFFERING_FRAGMENT_SIZE, "%lu", (unsigned long) (u->in_fragment_size));
+
+ u->source = pa_source_new(m->core, &source_new_data, PA_SOURCE_HARDWARE|PA_SOURCE_LATENCY);
+ pa_source_new_data_done(&source_new_data);
+ pa_xfree(name_buf);
+
+ if (!u->source) {
+ pa_log("Failed to create source object");
goto fail;
+ }
+ u->source->parent.process_msg = source_process_msg;
u->source->userdata = u;
- u->source->notify = source_notify_cb;
- u->source->get_latency = source_get_latency_cb;
- u->source->get_hw_volume = source_get_hw_volume;
- u->source->set_hw_volume = source_set_hw_volume;
- pa_source_set_owner(u->source, m);
- u->source->description = pa_sprintf_malloc("Open Sound System PCM on '%s'%s%s%s",
- p,
- hwdesc[0] ? " (" : "",
- hwdesc[0] ? hwdesc : "",
- hwdesc[0] ? ")" : "");
- } else
- u->source = NULL;
+
+ pa_source_set_asyncmsgq(u->source, u->thread_mq.inq);
+ pa_source_set_rtpoll(u->source, u->rtpoll);
+ u->source->refresh_volume = TRUE;
+
+ if (use_mmap)
+ u->in_mmap_memblocks = pa_xnew0(pa_memblock*, u->in_nfrags);
+ }
if (mode != O_RDONLY) {
- if (!(u->sink = pa_sink_new(c, __FILE__, pa_modargs_get_value(ma, "sink_name", DEFAULT_SINK_NAME), 0, &ss, &map)))
+ char *name_buf = NULL;
+
+ if (use_mmap) {
+ if ((u->out_mmap = mmap(NULL, u->out_hwbuf_size, PROT_WRITE, MAP_SHARED, fd, 0)) == MAP_FAILED) {
+ if (mode == O_RDWR) {
+ pa_log_debug("mmap() failed for input. Changing to O_WRONLY mode.");
+ mode = O_WRONLY;
+ goto go_on;
+ } else {
+ pa_log_warn("mmap(PROT_WRITE) failed, reverting to non-mmap mode: %s", pa_cstrerror(errno));
+ u->use_mmap = use_mmap = FALSE;
+ u->out_mmap = NULL;
+ }
+ } else {
+ pa_log_debug("Successfully mmap()ed output buffer.");
+ pa_silence_memory(u->out_mmap, u->out_hwbuf_size, &ss);
+ }
+ }
+
+ if ((name = pa_modargs_get_value(ma, "sink_name", NULL)))
+ namereg_fail = TRUE;
+ else {
+ name = name_buf = pa_sprintf_malloc("oss_output.%s", pa_path_get_filename(dev));
+ namereg_fail = FALSE;
+ }
+
+ pa_sink_new_data_init(&sink_new_data);
+ sink_new_data.driver = __FILE__;
+ sink_new_data.module = m;
+ pa_sink_new_data_set_name(&sink_new_data, name);
+ sink_new_data.namereg_fail = namereg_fail;
+ pa_sink_new_data_set_sample_spec(&sink_new_data, &ss);
+ pa_sink_new_data_set_channel_map(&sink_new_data, &map);
+ pa_proplist_sets(sink_new_data.proplist, PA_PROP_DEVICE_STRING, dev);
+ pa_proplist_sets(sink_new_data.proplist, PA_PROP_DEVICE_API, "oss");
+ pa_proplist_sets(sink_new_data.proplist, PA_PROP_DEVICE_DESCRIPTION, hwdesc[0] ? hwdesc : dev);
+ pa_proplist_sets(sink_new_data.proplist, PA_PROP_DEVICE_ACCESS_MODE, use_mmap ? "mmap" : "serial");
+ pa_proplist_setf(sink_new_data.proplist, PA_PROP_DEVICE_BUFFERING_BUFFER_SIZE, "%lu", (unsigned long) (u->out_hwbuf_size));
+ pa_proplist_setf(sink_new_data.proplist, PA_PROP_DEVICE_BUFFERING_FRAGMENT_SIZE, "%lu", (unsigned long) (u->out_fragment_size));
+
+ u->sink = pa_sink_new(m->core, &sink_new_data, PA_SINK_HARDWARE|PA_SINK_LATENCY);
+ pa_sink_new_data_done(&sink_new_data);
+ pa_xfree(name_buf);
+
+ if (!u->sink) {
+ pa_log("Failed to create sink object");
goto fail;
+ }
- u->sink->get_latency = sink_get_latency_cb;
- u->sink->get_hw_volume = sink_get_hw_volume;
- u->sink->set_hw_volume = sink_set_hw_volume;
+ u->sink->parent.process_msg = sink_process_msg;
u->sink->userdata = u;
- pa_sink_set_owner(u->sink, m);
- u->sink->description = pa_sprintf_malloc("Open Sound System PCM on '%s'%s%s%s",
- p,
- hwdesc[0] ? " (" : "",
- hwdesc[0] ? hwdesc : "",
- hwdesc[0] ? ")" : "");
- } else
- u->sink = NULL;
-
- assert(u->source || u->sink);
-
- u->io = pa_iochannel_new(c->mainloop, u->source ? fd : -1, u->sink ? fd : -1);
- assert(u->io);
- pa_iochannel_set_callback(u->io, io_callback, u);
- u->fd = fd;
- u->memchunk.memblock = NULL;
- u->memchunk.length = 0;
- u->sample_size = pa_frame_size(&ss);
+ pa_sink_set_asyncmsgq(u->sink, u->thread_mq.inq);
+ pa_sink_set_rtpoll(u->sink, u->rtpoll);
+ u->sink->refresh_volume = TRUE;
- u->out_fragment_size = out_frag_size;
- u->in_fragment_size = in_frag_size;
- u->silence.memblock = pa_memblock_new(u->silence.length = u->out_fragment_size, u->core->memblock_stat);
- assert(u->silence.memblock);
- pa_silence_memblock(u->silence.memblock, &ss);
- u->silence.index = 0;
+ u->sink->thread_info.max_request = u->out_hwbuf_size;
- u->module = m;
- m->userdata = u;
+ if (use_mmap)
+ u->out_mmap_memblocks = pa_xnew0(pa_memblock*, u->out_nfrags);
+ }
- pa_modargs_free(ma);
+ if ((u->mixer_fd = pa_oss_open_mixer_for_device(u->device_name)) >= 0) {
+ pa_bool_t do_close = TRUE;
+ u->mixer_devmask = 0;
- /*
- * Some crappy drivers do not start the recording until we read something.
- * Without this snippet, poll will never register the fd as ready.
- */
- if (u->source) {
- char *buf = pa_xnew(char, u->sample_size);
- read(u->fd, buf, u->sample_size);
- pa_xfree(buf);
+ if (ioctl(fd, SOUND_MIXER_READ_DEVMASK, &u->mixer_devmask) < 0)
+ pa_log_warn("SOUND_MIXER_READ_DEVMASK failed: %s", pa_cstrerror(errno));
+
+ else {
+ if (u->sink && (u->mixer_devmask & (SOUND_MASK_VOLUME|SOUND_MASK_PCM))) {
+ pa_log_debug("Found hardware mixer track for playback.");
+ u->sink->flags |= PA_SINK_HW_VOLUME_CTRL;
+ u->sink->get_volume = sink_get_volume;
+ u->sink->set_volume = sink_set_volume;
+ do_close = FALSE;
+ }
+
+ if (u->source && (u->mixer_devmask & (SOUND_MASK_RECLEV|SOUND_MASK_IGAIN))) {
+ pa_log_debug("Found hardware mixer track for recording.");
+ u->source->flags |= PA_SOURCE_HW_VOLUME_CTRL;
+ u->source->get_volume = source_get_volume;
+ u->source->set_volume = source_set_volume;
+ do_close = FALSE;
+ }
+ }
+
+ if (do_close) {
+ pa_close(u->mixer_fd);
+ u->mixer_fd = -1;
+ }
+ }
+
+go_on:
+
+ pa_assert(u->source || u->sink);
+
+ pa_memchunk_reset(&u->memchunk);
+
+ if (!(u->thread = pa_thread_new(thread_func, u))) {
+ pa_log("Failed to create thread.");
+ goto fail;
}
/* Read mixer settings */
- if (u->source)
- source_get_hw_volume(u->source);
+ if (u->sink) {
+ if (sink_new_data.volume_is_set) {
+ if (u->sink->set_volume)
+ u->sink->set_volume(u->sink);
+ } else {
+ if (u->sink->get_volume)
+ u->sink->get_volume(u->sink);
+ }
+ }
+
+ if (u->source) {
+ if (source_new_data.volume_is_set) {
+ if (u->source->set_volume)
+ u->source->set_volume(u->source);
+ } else {
+ if (u->source->get_volume)
+ u->source->get_volume(u->source);
+ }
+ }
+
if (u->sink)
- sink_get_hw_volume(u->sink);
+ pa_sink_put(u->sink);
+ if (u->source)
+ pa_source_put(u->source);
+
+ pa_modargs_free(ma);
return 0;
fail:
- if (fd >= 0)
- close(fd);
+
+ if (u)
+ pa__done(m);
+ else if (fd >= 0)
+ pa_close(fd);
if (ma)
pa_modargs_free(ma);
-
+
return -1;
}
-void pa__done(pa_core *c, pa_module*m) {
+void pa__done(pa_module*m) {
struct userdata *u;
-
- assert(c);
- assert(m);
+
+ pa_assert(m);
if (!(u = m->userdata))
return;
-
+
+ if (u->sink)
+ pa_sink_unlink(u->sink);
+
+ if (u->source)
+ pa_source_unlink(u->source);
+
+ if (u->thread) {
+ pa_asyncmsgq_send(u->thread_mq.inq, NULL, PA_MESSAGE_SHUTDOWN, NULL, 0, NULL);
+ pa_thread_free(u->thread);
+ }
+
+ pa_thread_mq_done(&u->thread_mq);
+
+ if (u->sink)
+ pa_sink_unref(u->sink);
+
+ if (u->source)
+ pa_source_unref(u->source);
+
if (u->memchunk.memblock)
pa_memblock_unref(u->memchunk.memblock);
- if (u->silence.memblock)
- pa_memblock_unref(u->silence.memblock);
- if (u->sink) {
- pa_sink_disconnect(u->sink);
- pa_sink_unref(u->sink);
+ if (u->rtpoll_item)
+ pa_rtpoll_item_free(u->rtpoll_item);
+
+ if (u->rtpoll)
+ pa_rtpoll_free(u->rtpoll);
+
+ if (u->out_mmap_memblocks) {
+ unsigned i;
+ for (i = 0; i < u->out_nfrags; i++)
+ if (u->out_mmap_memblocks[i])
+ pa_memblock_unref_fixed(u->out_mmap_memblocks[i]);
+ pa_xfree(u->out_mmap_memblocks);
}
-
- if (u->source) {
- pa_source_disconnect(u->source);
- pa_source_unref(u->source);
+
+ if (u->in_mmap_memblocks) {
+ unsigned i;
+ for (i = 0; i < u->in_nfrags; i++)
+ if (u->in_mmap_memblocks[i])
+ pa_memblock_unref_fixed(u->in_mmap_memblocks[i]);
+ pa_xfree(u->in_mmap_memblocks);
}
-
- pa_iochannel_free(u->io);
+
+ if (u->in_mmap && u->in_mmap != MAP_FAILED)
+ munmap(u->in_mmap, u->in_hwbuf_size);
+
+ if (u->out_mmap && u->out_mmap != MAP_FAILED)
+ munmap(u->out_mmap, u->out_hwbuf_size);
+
+ if (u->fd >= 0)
+ pa_close(u->fd);
+
+ if (u->mixer_fd >= 0)
+ pa_close(u->mixer_fd);
+
+ pa_xfree(u->device_name);
+
pa_xfree(u);
}