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-rw-r--r--Makefile.am1
-rw-r--r--configure.ac1
-rw-r--r--plugins/oss/Makefile.am6
-rw-r--r--plugins/oss/oss.c289
4 files changed, 297 insertions, 0 deletions
diff --git a/Makefile.am b/Makefile.am
index 9e9ca153..a3d0a84a 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -20,6 +20,7 @@ SUBDIRS = gme/Game_Music_Emu-0.5.2\
${CDDA_DIR}\
${GTKUI_DIR}\
${FFMPEG_DIR}
+ plugins/oss
dumbpath=@top_srcdir@/dumb
sidpath=@top_srcdir@/sid/sidplay-libs-2.1.0
diff --git a/configure.ac b/configure.ac
index ccfc47f8..09d4a66c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -237,6 +237,7 @@ plugins/nullout/Makefile
plugins/vtx/Makefile
plugins/adplug/Makefile
plugins/ffmpeg/Makefile
+plugins/oss/Makefile
deadbeef.desktop
])
diff --git a/plugins/oss/Makefile.am b/plugins/oss/Makefile.am
new file mode 100644
index 00000000..f8938ff4
--- /dev/null
+++ b/plugins/oss/Makefile.am
@@ -0,0 +1,6 @@
+ossdir = $(libdir)/$(PACKAGE)
+pkglib_LTLIBRARIES = oss.la
+oss_la_SOURCES = oss.c
+oss_la_LDFLAGS = -module
+include /etc/oss.conf
+AM_CFLAGS = $(CFLAGS) -I$(OSSLIBDIR)/include/sys -std=c99
diff --git a/plugins/oss/oss.c b/plugins/oss/oss.c
new file mode 100644
index 00000000..06befad5
--- /dev/null
+++ b/plugins/oss/oss.c
@@ -0,0 +1,289 @@
+/*
+ DeaDBeeF - ultimate music player for GNU/Linux systems with X11
+ Copyright (C) 2009-2010 Alexey Yakovenko <waker@users.sourceforge.net>
+
+ This program 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.
+
+ This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+#include <stdint.h>
+#include <unistd.h>
+#ifdef __linux__
+#include <sys/prctl.h>
+#endif
+#include <stdio.h>
+#include <string.h>
+#include <soundcard.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include "../../deadbeef.h"
+
+#if OSS_VERSION<0x040000
+#error oss4 plugin: at least oss v4.0 is required to build this plugin
+#endif
+
+#define trace(...) { fprintf(stderr, __VA_ARGS__); }
+//#define trace(fmt,...)
+
+static DB_output_t plugin;
+DB_functions_t *deadbeef;
+
+static intptr_t oss_tid;
+static int oss_terminate;
+static int oss_rate;
+static int state;
+static int fd;
+
+static void
+oss_thread (void *context);
+
+static void
+oss_callback (char *stream, int len);
+
+static int
+oss_init (void) {
+ trace ("oss_init\n");
+ state = OUTPUT_STATE_STOPPED;
+ oss_rate = 44100;
+ oss_terminate = 0;
+
+ // prepare oss for playback
+ const char *name = "/dev/dsp";
+ fd = open (name, O_WRONLY);
+ if (fd == -1) {
+ trace ("oss: failed to open file\n");
+ perror (name);
+ plugin.free ();
+ return -1;
+ }
+
+ int fmt = AFMT_S16_NE;
+ if (ioctl (fd, SNDCTL_DSP_SETFMT, &fmt) == -1) {
+ trace ("oss: failed to set format\n");
+ perror ("SNDCTL_DSP_SETFMT");
+ plugin.free ();
+ return -1;
+ }
+
+ if (fmt != AFMT_S16_NE) {
+ fprintf (stderr, "oss: device doesn't support 16 bit sample format\n");
+ plugin.free ();
+ return -1;
+ }
+
+ int channels = 2;
+ if (ioctl (fd, SNDCTL_DSP_CHANNELS, &channels) == -1) {
+ trace ("oss: failed to set channels\n");
+ perror ("SNDCTL_DSP_CHANNELS");
+ plugin.free ();
+ return -1;
+ }
+ if (channels != 2) {
+ trace ("oss: device doesn't support stereo output\n");
+ plugin.free ();
+ return -1;
+ }
+
+ if (ioctl (fd, SNDCTL_DSP_SPEED, &oss_rate) == -1) {
+ trace ("oss: failed to set samplerate\n");
+ perror ("SNDCTL_DSP_CHANNELS");
+ plugin.free ();
+ return -1;
+ }
+
+ trace ("oss: samplerate: %d\n", oss_rate);
+
+ oss_tid = deadbeef->thread_start (oss_thread, NULL);
+ return 0;
+}
+
+static int
+oss_change_rate (int rate) {
+ if (!fd) {
+ oss_rate = rate;
+ return oss_rate;
+ }
+ if (rate == oss_rate) {
+ trace ("oss_change_rate: same rate (%d), ignored\n", rate);
+ return rate;
+ }
+ if (ioctl (fd, SNDCTL_DSP_SPEED, &rate) == -1) {
+ trace ("oss: can't switch to %d samplerate\n", rate);
+ perror ("SNDCTL_DSP_CHANNELS");
+ plugin.free ();
+ return -1;
+ }
+ oss_rate = rate;
+ return oss_rate;
+}
+
+static int
+oss_free (void) {
+ trace ("oss_free\n");
+ if (!oss_terminate) {
+ if (oss_tid) {
+ oss_terminate = 1;
+ deadbeef->thread_join (oss_tid);
+ }
+ oss_tid = 0;
+ state = OUTPUT_STATE_STOPPED;
+ oss_terminate = 0;
+ if (fd) {
+ close (fd);
+ }
+ }
+ return 0;
+}
+
+static int
+oss_play (void) {
+ if (!oss_tid) {
+ oss_init ();
+ }
+ state = OUTPUT_STATE_PLAYING;
+ return 0;
+}
+
+static int
+oss_stop (void) {
+ state = OUTPUT_STATE_STOPPED;
+ deadbeef->streamer_reset (1);
+ return 0;
+}
+
+static int
+oss_pause (void) {
+ if (state == OUTPUT_STATE_STOPPED) {
+ return -1;
+ }
+ // set pause state
+ state = OUTPUT_STATE_PAUSED;
+ return 0;
+}
+
+static int
+oss_unpause (void) {
+ // unset pause state
+ if (state == OUTPUT_STATE_PAUSED) {
+ state = OUTPUT_STATE_PLAYING;
+ }
+ return 0;
+}
+
+static int
+oss_get_rate (void) {
+ return oss_rate;
+}
+
+static int
+oss_get_bps (void) {
+ return 16;
+}
+
+static int
+oss_get_channels (void) {
+ return 2;
+}
+
+static int
+oss_get_endianness (void) {
+#if WORDS_BIGENDIAN
+ return 1;
+#else
+ return 0;
+#endif
+}
+
+static void
+oss_thread (void *context) {
+#ifdef __linux__
+ prctl (PR_SET_NAME, "deadbeef-oss", 0, 0, 0, 0);
+#endif
+ for (;;) {
+ if (oss_terminate) {
+ break;
+ }
+ if (state != OUTPUT_STATE_PLAYING) {
+ usleep (10000);
+ continue;
+ }
+
+ char buf[1024];
+ oss_callback (buf, 1024);
+ if (write (fd, buf, sizeof (buf)) != sizeof (buf)) {
+ fprintf (stderr, "oss: failed to write buffer\n");
+ }
+ }
+}
+
+static void
+oss_callback (char *stream, int len) {
+ if (!deadbeef->streamer_ok_to_read (len)) {
+ memset (stream, 0, len);
+ return;
+ }
+ int bytesread = deadbeef->streamer_read (stream, len);
+
+ if (bytesread < len) {
+ memset (stream + bytesread, 0, len-bytesread);
+ }
+}
+
+static int
+oss_get_state (void) {
+ return state;
+}
+
+static int
+oss_plugin_start (void) {
+ return 0;
+}
+
+static int
+oss_plugin_stop (void) {
+ return 0;
+}
+
+DB_plugin_t *
+oss_load (DB_functions_t *api) {
+ deadbeef = api;
+ return DB_PLUGIN (&plugin);
+}
+
+// define plugin interface
+static DB_output_t plugin = {
+ DB_PLUGIN_SET_API_VERSION
+ .plugin.version_major = 0,
+ .plugin.version_minor = 1,
+ .plugin.nostop = 0,
+ .plugin.type = DB_PLUGIN_OUTPUT,
+ .plugin.id = "oss",
+ .plugin.name = "OSS output plugin",
+ .plugin.descr = "plays sound via OSS API",
+ .plugin.author = "Alexey Yakovenko",
+ .plugin.email = "waker@users.sourceforge.net",
+ .plugin.website = "http://deadbeef.sf.net",
+ .plugin.start = oss_plugin_start,
+ .plugin.stop = oss_plugin_stop,
+ .init = oss_init,
+ .free = oss_free,
+ .change_rate = oss_change_rate,
+ .play = oss_play,
+ .stop = oss_stop,
+ .pause = oss_pause,
+ .unpause = oss_unpause,
+ .state = oss_get_state,
+ .samplerate = oss_get_rate,
+ .bitspersample = oss_get_bps,
+ .channels = oss_get_channels,
+ .endianness = oss_get_endianness,
+};
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-11 18:47:04 +0000