From 41f6aea8fdbc744c13bc461056a2d694a5c4d06f Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Sat, 17 Jul 2004 14:12:30 +0000 Subject: rename src to polyp git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@90 fefdeb5f-60dc-0310-8127-8f9354f1896f --- src/module-oss.c | 304 ------------------------------------------------------- 1 file changed, 304 deletions(-) delete mode 100644 src/module-oss.c (limited to 'src/module-oss.c') 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 -#endif - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#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); -} -- cgit