diff options
Diffstat (limited to 'src/modules/module-oss.c')
| -rw-r--r-- | src/modules/module-oss.c | 1469 |
1 files changed, 1197 insertions, 272 deletions
diff --git a/src/modules/module-oss.c b/src/modules/module-oss.c index 9d4d0eac..19dceef2 100644 --- a/src/modules/module-oss.c +++ b/src/modules/module-oss.c @@ -22,27 +22,46 @@ 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 <signal.h> +#include <poll.h> #include <pulse/xmalloc.h> #include <pulse/util.h> #include <pulsecore/core-error.h> -#include <pulsecore/iochannel.h> +#include <pulsecore/thread.h> #include <pulsecore/sink.h> #include <pulsecore/source.h> #include <pulsecore/module.h> @@ -50,6 +69,9 @@ #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" @@ -68,21 +90,48 @@ PA_MODULE_USAGE( "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; + + char *device_name; + + pa_memchunk memchunk; - uint32_t in_fragment_size, out_fragment_size, sample_size; - int use_getospace, use_getispace; + 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[] = { @@ -97,280 +146,1010 @@ static const char* const valid_modargs[] = { "rate", "channels", "channel_map", + "mmap", NULL }; -#define DEFAULT_DEVICE "/dev/dsp" +static void trigger(struct userdata *u, pa_bool_t quick) { + int enable_bits = 0, zero = 0; -static void update_usage(struct userdata *u) { - pa_module_set_used(u->module, - (u->sink ? pa_sink_used_by(u->sink) : 0) + - (u->source ? pa_source_used_by(u->source) : 0)); -} + pa_assert(u); -static void clear_up(struct userdata *u) { - assert(u); + if (u->fd < 0) + return; - if (u->sink) { - pa_sink_disconnect(u->sink); - pa_sink_unref(u->sink); - u->sink = NULL; - } + pa_log_debug("trigger"); - if (u->source) { - pa_source_disconnect(u->source); - pa_source_unref(u->source); - u->source = NULL; - } + if (u->source && PA_SOURCE_OPENED(u->source->thread_info.state)) + enable_bits |= PCM_ENABLE_INPUT; - if (u->io) { - pa_iochannel_free(u->io); - u->io = NULL; - } -} + if (u->sink && PA_SINK_OPENED(u->sink->thread_info.state)) + enable_bits |= PCM_ENABLE_OUTPUT; -static void do_write(struct userdata *u) { - pa_memchunk *memchunk; - ssize_t r; - size_t l; - int loop = 0; + pa_log_debug("trigger: %i", enable_bits); - assert(u); - if (!u->sink || !pa_iochannel_is_writable(u->io)) - return; + if (u->use_mmap) { - update_usage(u); + if (!quick) + ioctl(u->fd, SNDCTL_DSP_SETTRIGGER, &zero); - l = u->out_fragment_size; +#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 (u->use_getospace) { - audio_buf_info info; + if (ioctl(u->fd, SNDCTL_DSP_SETTRIGGER, &enable_bits) < 0) + pa_log_warn("SNDCTL_DSP_SETTRIGGER: %s", pa_cstrerror(errno)); - 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->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); + } + + } 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_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); } } } +} - do { - memchunk = &u->memchunk; +static void mmap_fill_memblocks(struct userdata *u, unsigned n) { + pa_assert(u); + pa_assert(u->out_mmap_memblocks); - if (!memchunk->length) - if (pa_sink_render(u->sink, l, memchunk) < 0) - memchunk = &u->silence; +/* pa_log("Mmmap writing %u blocks", n); */ - assert(memchunk->memblock); - assert(memchunk->memblock->data); - assert(memchunk->length); + while (n > 0) { + pa_memchunk chunk; - if ((r = pa_iochannel_write(u->io, (uint8_t*) memchunk->memblock->data + memchunk->index, memchunk->length)) < 0) { + if (u->out_mmap_memblocks[u->out_mmap_current]) + pa_memblock_unref_fixed(u->out_mmap_memblocks[u->out_mmap_current]); - if (errno != EAGAIN) { - pa_log("write() failed: %s", pa_cstrerror(errno)); + 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); - clear_up(u); - pa_module_unload_request(u->module); - } + chunk.length = pa_memblock_get_length(chunk.memblock); + chunk.index = 0; - break; - } + pa_sink_render_into_full(u->sink, &chunk); - if (memchunk == &u->silence) - assert(r % u->sample_size == 0); - else { - u->memchunk.index += r; - u->memchunk.length -= r; + u->out_mmap_current++; + while (u->out_mmap_current >= u->out_nfrags) + u->out_mmap_current -= u->out_nfrags; - if (u->memchunk.length <= 0) { - pa_memblock_unref(u->memchunk.memblock); - u->memchunk.memblock = NULL; - } - } + n--; + } +} + +static int mmap_write(struct userdata *u) { + struct count_info info; + + pa_assert(u); + pa_assert(u->sink); + +/* pa_log("Mmmap writing..."); */ + + 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); - l = l > (size_t) r ? l - r : 0; - } while (loop && l > 0); + return info.blocks; } -static void do_read(struct userdata *u) { - pa_memchunk memchunk; - ssize_t r; - size_t l; - int loop = 0; - assert(u); +static void mmap_post_memblocks(struct userdata *u, unsigned n) { + pa_assert(u); + pa_assert(u->in_mmap_memblocks); - if (!u->source || !pa_iochannel_is_readable(u->io) || !pa_idxset_size(u->source->outputs)) - return; +/* pa_log("Mmmap reading %u blocks", n); */ - update_usage(u); + while (n > 0) { + pa_memchunk chunk; - l = u->in_fragment_size; + if (!u->in_mmap_memblocks[u->in_mmap_current]) { - if (u->use_getispace) { - audio_buf_info info; + 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); - 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; - } + 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(u->core->mempool, l); - assert(memchunk.memblock); - if ((r = pa_iochannel_read(u->io, memchunk.memblock->data, memchunk.memblock->length)) < 0) { - pa_memblock_unref(memchunk.memblock); +static void mmap_clear_memblocks(struct userdata*u, unsigned n) { + unsigned i = u->in_mmap_current; - if (errno != EAGAIN) { - pa_log("read() failed: %s", pa_cstrerror(errno)); + pa_assert(u); + pa_assert(u->in_mmap_memblocks); - clear_up(u); - pa_module_unload_request(u->module); - } + if (n > u->in_nfrags) + n = u->in_nfrags; - break; + 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; + i++; + while (i >= u->in_nfrags) + i -= u->in_nfrags; - pa_source_post(u->source, &memchunk); - pa_memblock_unref(memchunk.memblock); + n--; + } +} - l = l > (size_t) r ? l - r : 0; - } while (loop && l > 0); +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 void io_callback(PA_GCC_UNUSED pa_iochannel *io, void*userdata) { - struct userdata *u = userdata; - assert(u); - do_write(u); - do_read(u); +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("device doesn't support SNDCTL_DSP_GETODELAY: %s", pa_cstrerror(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; +static pa_usec_t io_source_get_latency(struct userdata *u) { + pa_usec_t r = 0; - if (ioctl(u->fd, SNDCTL_DSP_GETISPACE, &info) < 0) { - u->use_getispace = 0; - return 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 r; +} + +static void build_pollfd(struct userdata *u) { + struct pollfd *pollfd; - return pa_bytes_to_usec(info.bytes, &s->sample_spec); + 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 sink_get_hw_volume(pa_sink *s) { - struct userdata *u = s->userdata; +static int suspend(struct userdata *u) { + pa_assert(u); + pa_assert(u->fd >= 0); - if (pa_oss_get_pcm_volume(u->fd, &s->sample_spec, &s->hw_volume) < 0) { - pa_log_info("device doesn't support reading mixer settings: %s", pa_cstrerror(errno)); - s->get_hw_volume = NULL; - return -1; + 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; + + pa_log_info("Trying resume..."); - if (pa_oss_set_pcm_volume(u->fd, &s->sample_spec, &s->hw_volume) < 0) { - pa_log_info("device doesn't support writing mixer settings: %s", pa_cstrerror(errno)); - s->set_hw_volume = NULL; + 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_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_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("device doesn't support reading mixer settings: %s", pa_cstrerror(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_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_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("device doesn't support writing mixer settings: %s", pa_cstrerror(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; } -int pa__init(pa_core *c, pa_module*m) { +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->high_priority) + pa_make_realtime(); + + 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_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_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_OPENED(u->source->thread_info.state)) ? POLLIN : 0) | + ((u->sink && PA_SINK_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_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; + int record = 1, playback = 1, use_mmap = 1; pa_sample_spec ss; pa_channel_map map; pa_modargs *ma = NULL; char hwdesc[64], *t; const char *name; - char *name_buf = NULL; int namereg_fail; - assert(c); - assert(m); + pa_assert(m); if (!(ma = pa_modargs_new(m->argument, valid_modargs))) { - pa_log("failed to parse module arguments."); + pa_log("Failed to parse module arguments."); goto fail; } @@ -380,36 +1159,52 @@ int pa__init(pa_core *c, pa_module*m) { } if (!playback && !record) { - pa_log("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 = c->default_sample_spec; + 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"); + pa_log("Failed to parse sample specification or channel map"); goto fail; } - /* Fix latency to 100ms */ - nfrags = 12; - frag_size = pa_bytes_per_second(&ss)/128; + 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); if (pa_modargs_get_value_s32(ma, "fragments", &nfrags) < 0 || pa_modargs_get_value_s32(ma, "fragment_size", &frag_size) < 0) { - pa_log("failed to parse fragments arguments"); + pa_log("Failed to parse fragments arguments"); goto fail; } - if ((fd = pa_oss_open(p = pa_modargs_get_value(ma, "device", DEFAULT_DEVICE), &mode, NULL)) < 0) + if (pa_modargs_get_value_boolean(ma, "mmap", &use_mmap) < 0) { + pa_log("Failed to parse mmap argument."); goto fail; + } - if (pa_oss_get_hw_description(p, hwdesc, sizeof(hwdesc)) >= 0) - pa_log_info("hardware name is '%s'.", hwdesc); + if ((fd = pa_oss_open(dev = pa_modargs_get_value(ma, "device", DEFAULT_DEVICE), &mode, &caps)) < 0) + goto fail; + + 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("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) @@ -422,152 +1217,282 @@ int pa__init(pa_core *c, pa_module*m) { 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_xmalloc(sizeof(struct userdata)); - u->core = c; - u->use_getospace = u->use_getispace = 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 = 1; + u->use_getodelay = 1; + 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; + pa_thread_mq_init(&u->thread_mq, m->core->mainloop); + u->rtpoll = pa_rtpoll_new(); + pa_rtpoll_item_new_asyncmsgq(u->rtpoll, PA_RTPOLL_EARLY, u->thread_mq.inq); + u->rtpoll_item = NULL; + build_pollfd(u); if (ioctl(fd, SNDCTL_DSP_GETISPACE, &info) >= 0) { - pa_log_info("input -- %u fragments of size %u.", info.fragstotal, info.fragsize); - in_frag_size = info.fragsize; + 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 = 1; } if (ioctl(fd, SNDCTL_DSP_GETOSPACE, &info) >= 0) { - pa_log_info("output -- %u fragments of size %u.", info.fragstotal, info.fragsize); - out_frag_size = info.fragsize; + 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 = 1; } + 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) { + 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 = 0; + 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 = 1; else { - name = name_buf = pa_sprintf_malloc("oss_input.%s", pa_path_get_filename(p)); + name = name_buf = pa_sprintf_malloc("oss_input.%s", pa_path_get_filename(dev)); namereg_fail = 0; } - if (!(u->source = pa_source_new(c, __FILE__, name, namereg_fail, &ss, &map))) + u->source = pa_source_new(m->core, __FILE__, name, namereg_fail, &ss, &map); + 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); - pa_source_set_description(u->source, t = pa_sprintf_malloc("OSS PCM on %s%s%s%s", - p, - hwdesc[0] ? " (" : "", - hwdesc[0] ? hwdesc : "", - hwdesc[0] ? ")" : "")); + + pa_source_set_module(u->source, m); + pa_source_set_asyncmsgq(u->source, u->thread_mq.inq); + pa_source_set_rtpoll(u->source, u->rtpoll); + pa_source_set_description(u->source, t = pa_sprintf_malloc( + "OSS PCM on %s%s%s%s%s", + dev, + hwdesc[0] ? " (" : "", + hwdesc[0] ? hwdesc : "", + hwdesc[0] ? ")" : "", + use_mmap ? " via DMA" : "")); pa_xfree(t); - u->source->is_hardware = 1; - } else - u->source = NULL; + u->source->flags = PA_SOURCE_HARDWARE|PA_SOURCE_LATENCY; + u->source->refresh_volume = TRUE; - pa_xfree(name_buf); - name_buf = NULL; + if (use_mmap) + u->in_mmap_memblocks = pa_xnew0(pa_memblock*, u->in_nfrags); + } if (mode != O_RDONLY) { + 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 = 1; else { - name = name_buf = pa_sprintf_malloc("oss_output.%s", pa_path_get_filename(p)); + name = name_buf = pa_sprintf_malloc("oss_output.%s", pa_path_get_filename(dev)); namereg_fail = 0; } - if (!(u->sink = pa_sink_new(c, __FILE__, name, namereg_fail, &ss, &map))) + u->sink = pa_sink_new(m->core, __FILE__, name, namereg_fail, &ss, &map); + 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); - pa_sink_set_description(u->sink, t = pa_sprintf_malloc("OSS PCM on %s%s%s%s", - p, - hwdesc[0] ? " (" : "", - hwdesc[0] ? hwdesc : "", - hwdesc[0] ? ")" : "")); + + pa_sink_set_module(u->sink, m); + pa_sink_set_asyncmsgq(u->sink, u->thread_mq.inq); + pa_sink_set_rtpoll(u->sink, u->rtpoll); + pa_sink_set_description(u->sink, t = pa_sprintf_malloc( + "OSS PCM on %s%s%s%s%s", + dev, + hwdesc[0] ? " (" : "", + hwdesc[0] ? hwdesc : "", + hwdesc[0] ? ")" : "", + use_mmap ? " via DMA" : "")); pa_xfree(t); - u->sink->is_hardware = 1; - } else - u->sink = NULL; + u->sink->flags = PA_SINK_HARDWARE|PA_SINK_LATENCY; + u->sink->refresh_volume = TRUE; - pa_xfree(name_buf); - name_buf = NULL; + if (use_mmap) + u->out_mmap_memblocks = pa_xnew0(pa_memblock*, u->out_nfrags); + } - assert(u->source || u->sink); + if ((u->mixer_fd = pa_oss_open_mixer_for_device(u->device_name)) >= 0) { + int do_close = 1; + u->mixer_devmask = 0; - 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; + if (ioctl(fd, SOUND_MIXER_READ_DEVMASK, &u->mixer_devmask) < 0) + pa_log_warn("SOUND_MIXER_READ_DEVMASK failed: %s", pa_cstrerror(errno)); - u->memchunk.memblock = NULL; - u->memchunk.length = 0; - u->sample_size = pa_frame_size(&ss); + 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 = 0; + } - u->out_fragment_size = out_frag_size; - u->in_fragment_size = in_frag_size; - u->silence.memblock = pa_memblock_new(u->core->mempool, u->silence.length = u->out_fragment_size); - assert(u->silence.memblock); - pa_silence_memblock(u->silence.memblock, &ss); - u->silence.index = 0; + 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 = 0; + } + } - u->module = m; - m->userdata = u; + if (do_close) { + pa_close(u->mixer_fd); + u->mixer_fd = -1; + } + } - pa_modargs_free(ma); +go_on: + + pa_assert(u->source || u->sink); - /* - * 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); - pa_read(u->fd, buf, u->sample_size, NULL); - pa_xfree(buf); + 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 && u->sink->get_volume) + sink_get_volume(u->sink); + if (u->source && u->source->get_volume) + 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); - pa_xfree(name_buf); - 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; - clear_up(u); + 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->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->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); + } + + 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); } |