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authorLennart Poettering <lennart@poettering.net>2004-07-17 14:12:30 +0000
committerLennart Poettering <lennart@poettering.net>2004-07-17 14:12:30 +0000
commit41f6aea8fdbc744c13bc461056a2d694a5c4d06f (patch)
tree1e23911c1f61c66df3fba272af53475508a7a7ce /src/module-oss.c
parent563201e128d600ec1ae4a33ca81d03b776501f82 (diff)
rename src to polyp
git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@90 fefdeb5f-60dc-0310-8127-8f9354f1896f
Diffstat (limited to 'src/module-oss.c')
-rw-r--r--src/module-oss.c304
1 files changed, 0 insertions, 304 deletions
diff --git a/src/module-oss.c b/src/module-oss.c
deleted file mode 100644
index d727534a..00000000
--- a/src/module-oss.c
+++ /dev/null
@@ -1,304 +0,0 @@
-/* $Id$ */
-
-/***
- This file is part of polypaudio.
-
- polypaudio is free software; you can redistribute it and/or modify
- it under the terms of the GNU 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
- 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 General Public License
- along with polypaudio; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
- USA.
-***/
-
-#ifdef HAVE_CONFIG_H
-#include <config.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 "iochannel.h"
-#include "sink.h"
-#include "source.h"
-#include "module.h"
-#include "oss-util.h"
-#include "sample-util.h"
-#include "util.h"
-#include "modargs.h"
-
-struct userdata {
- struct pa_sink *sink;
- struct pa_source *source;
- struct pa_iochannel *io;
- struct pa_core *core;
-
- struct pa_memchunk memchunk, silence;
-
- uint32_t in_fragment_size, out_fragment_size, sample_size;
-
- int fd;
-};
-
-static const char* const valid_modargs[] = {
- "sink_name",
- "source_name",
- "device",
- "record",
- "playback",
- "fragments",
- "fragment_size",
- "format",
- "rate",
- "channels",
- NULL
-};
-
-#define DEFAULT_SINK_NAME "oss_output"
-#define DEFAULT_SOURCE_NAME "oss_input"
-#define DEFAULT_DEVICE "/dev/dsp"
-
-static void do_write(struct userdata *u) {
- struct pa_memchunk *memchunk;
- ssize_t r;
- assert(u);
-
- if (!u->sink || !pa_iochannel_is_writable(u->io))
- return;
-
- if (!u->memchunk.length) {
- if (pa_sink_render(u->sink, u->out_fragment_size, &u->memchunk) < 0)
- memchunk = &u->silence;
- else
- memchunk = &u->memchunk;
- }
-
- assert(memchunk->memblock && memchunk->length);
-
- if ((r = pa_iochannel_write(u->io, memchunk->memblock->data + memchunk->index, memchunk->length)) < 0) {
- fprintf(stderr, "write() failed: %s\n", strerror(errno));
- return;
- }
-
- 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;
- }
- }
-}
-
-static void do_read(struct userdata *u) {
- struct pa_memchunk memchunk;
- ssize_t r;
- assert(u);
-
- if (!u->source || !pa_iochannel_is_readable(u->io))
- return;
-
- memchunk.memblock = pa_memblock_new(u->in_fragment_size);
- 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)
- fprintf(stderr, "read() failed: %s\n", strerror(errno));
- return;
- }
-
- 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);
-};
-
-static void io_callback(struct pa_iochannel *io, void*userdata) {
- struct userdata *u = userdata;
- assert(u);
- do_write(u);
- do_read(u);
-}
-
-static uint32_t sink_get_latency_cb(struct pa_sink *s) {
- int arg;
- struct userdata *u = s->userdata;
- assert(s && u && u->sink);
-
- if (ioctl(u->fd, SNDCTL_DSP_GETODELAY, &arg) < 0) {
- fprintf(stderr, "module-oss: device doesn't support SNDCTL_DSP_GETODELAY.\n");
- s->get_latency = NULL;
- return 0;
- }
-
- return pa_samples_usec(arg, &s->sample_spec);
-}
-
-int pa_module_init(struct pa_core *c, struct pa_module*m) {
- struct audio_buf_info info;
- struct userdata *u = NULL;
- const char *p;
- int fd = -1;
- int nfrags, frag_size, in_frag_size, out_frag_size;
- int mode;
- uint32_t record = 1, playback = 1;
- struct pa_sample_spec ss;
- struct pa_modargs *ma = NULL;
- assert(c && m);
-
- if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
- fprintf(stderr, __FILE__": failed to parse module arguments.\n");
- goto fail;
- }
-
- if (pa_modargs_get_value_u32(ma, "record", &record) < 0 || pa_modargs_get_value_u32(ma, "playback", &playback) < 0) {
- fprintf(stderr, __FILE__": record= and playback= expect numeric argument.\n");
- goto fail;
- }
-
- mode = (playback&&record) ? O_RDWR : (playback ? O_WRONLY : (record ? O_RDONLY : 0));
- if (mode == 0) {
- fprintf(stderr, __FILE__": neither playback nor record enabled for device.\n");
- goto fail;
- }
-
- nfrags = 12;
- frag_size = 1024;
- if (pa_modargs_get_value_u32(ma, "fragments", &nfrags) < 0 || nfrags < 2 || pa_modargs_get_value_u32(ma, "fragment_size", &frag_size) < 0 || frag_size < 1) {
- fprintf(stderr, __FILE__": failed to parse fragments arguments\n");
- goto fail;
- }
-
- ss = c->default_sample_spec;
- if (pa_modargs_get_sample_spec(ma, &ss) < 0) {
- fprintf(stderr, __FILE__": failed to parse sample specification\n");
- goto fail;
- }
-
- if ((fd = pa_oss_open(p = pa_modargs_get_value(ma, "device", DEFAULT_DEVICE), &mode, NULL)) < 0)
- goto fail;
-
- fprintf(stderr, "module-oss: device opened in %s mode.\n", mode == O_WRONLY ? "O_WRONLY" : (mode == O_RDONLY ? "O_RDONLY" : "O_RDWR"));
-
- 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) {
- fprintf(stderr, "SNDCTL_DSP_GETBLKSIZE: %s\n", strerror(errno));
- goto fail;
- }
- assert(frag_size);
- in_frag_size = out_frag_size = frag_size;
-
- if (ioctl(fd, SNDCTL_DSP_GETISPACE, &info) >= 0) {
- fprintf(stderr, "module-oss: input -- %u fragments of size %u.\n", info.fragstotal, info.fragsize);
- in_frag_size = info.fragsize;
- }
-
- if (ioctl(fd, SNDCTL_DSP_GETOSPACE, &info) >= 0) {
- fprintf(stderr, "module-oss: output -- %u fragments of size %u.\n", info.fragstotal, info.fragsize);
- out_frag_size = info.fragsize;
- }
-
- u = malloc(sizeof(struct userdata));
- assert(u);
-
- u->core = c;
-
- if (mode != O_WRONLY) {
- u->source = pa_source_new(c, pa_modargs_get_value(ma, "source_name", DEFAULT_SOURCE_NAME), 0, &ss);
- assert(u->source);
- u->source->userdata = u;
- pa_source_set_owner(u->source, m);
- u->source->description = pa_sprintf_malloc("Open Sound System PCM on '%s'", p);
- } else
- u->source = NULL;
-
- if (mode != O_RDONLY) {
- u->sink = pa_sink_new(c, pa_modargs_get_value(ma, "sink_name", DEFAULT_SINK_NAME), 0, &ss);
- assert(u->sink);
- u->sink->get_latency = sink_get_latency_cb;
- u->sink->userdata = u;
- pa_sink_set_owner(u->sink, m);
- u->sink->description = pa_sprintf_malloc("Open Sound System PCM on '%s'", p);
- } else
- u->sink = NULL;
-
- assert(u->source || u->sink);
-
- u->io = pa_iochannel_new(c->mainloop, u->source ? fd : -1, u->sink ? fd : 0);
- 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_sample_size(&ss);
-
- 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);
- assert(u->silence.memblock);
- pa_silence_memblock(u->silence.memblock, &ss);
- u->silence.index = 0;
-
- m->userdata = u;
-
- pa_modargs_free(ma);
-
- return 0;
-
-fail:
- if (fd >= 0)
- close(fd);
-
- if (ma)
- pa_modargs_free(ma);
-
- return -1;
-}
-
-void pa_module_done(struct pa_core *c, struct pa_module*m) {
- struct userdata *u;
- assert(c && m);
-
- u = m->userdata;
- assert(u);
-
- 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_free(u->sink);
- if (u->source)
- pa_source_free(u->source);
- pa_iochannel_free(u->io);
- free(u);
-}