-
plugin_LTLIBRARIES = libgstossaudio.la
-EXTRA_LTLIBRARIES = libgstosshelper.la
-
libgstossaudio_la_SOURCES = gstossaudio.c \
gstosselement.c \
gstossmixer.c \
gstosssink.c \
- gstosssrc.c \
- gstossgst.c
+ gstosssrc.c
libgstossaudio_la_CFLAGS = $(GST_CFLAGS)
libgstossaudio_la_LIBADD = $(top_builddir)/gst-libs/gst/libgstinterfaces-@GST_MAJORMINOR@.la
libgstossaudio_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
-libgstosshelper_la_SOURCES = gstosshelper.c
-libgstosshelper_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
-
noinst_HEADERS = gstosssink.h \
gstosssrc.h \
- gstossgst.h \
- gstosshelper.h \
gstosselement.h\
gstossmixer.h
#include "gstosselement.h"
#include "gstosssink.h"
#include "gstosssrc.h"
-#include "gstossgst.h"
extern gchar *__gst_oss_plugin_dir;
static gboolean
plugin_init (GstPlugin *plugin)
{
- guint i = 0;
- gchar **path;
-
if (!gst_library_load ("gstaudio"))
return FALSE;
- /* get the path of this plugin, we assume the helper progam lives in the */
- /* same directory. */
- path = g_strsplit (plugin->filename, G_DIR_SEPARATOR_S, 0);
- while (path[i]) {
- i++;
- if (path[i] == NULL) {
- g_free (path[i-1]);
- path[i-1] = NULL;
- }
- }
- __gst_oss_plugin_dir = g_strjoinv (G_DIR_SEPARATOR_S, path);
- g_strfreev (path);
-
if (!gst_element_register (plugin, "ossmixer", GST_RANK_PRIMARY,
GST_TYPE_OSSELEMENT) ||
!gst_element_register (plugin, "osssrc", GST_RANK_PRIMARY,
GST_TYPE_OSSSRC) ||
!gst_element_register (plugin, "osssink", GST_RANK_PRIMARY,
- GST_TYPE_OSSSINK) ||
- !gst_element_register (plugin, "ossgst", GST_RANK_MARGINAL,
- GST_TYPE_OSSGST)) {
+ GST_TYPE_OSSSINK)) {
return FALSE;
}
+++ /dev/null
-/* GStreamer
- * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
- * 2000 Wim Taymans <wim.taymans@chello.be>
- *
- * gstossgst.c:
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library 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
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; 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/types.h>
-#include <sys/stat.h>
-#include <sys/ioctl.h>
-#include <fcntl.h>
-#include <sys/soundcard.h>
-#include <unistd.h>
-#include <errno.h>
-#include <stdlib.h>
-
-#include "gstossgst.h"
-
-#include "gstosshelper.h"
-
-static GstElementDetails gst_ossgst_details = GST_ELEMENT_DETAILS (
- "Audio Wrapper (OSS)",
- "Source/Audio",
- "Hijacks /dev/dsp to get the output of OSS apps into GStreamer",
- "Wim Taymans <wim.taymans@chello.be>"
-);
-
-static void gst_ossgst_base_init (gpointer g_class);
-static void gst_ossgst_class_init (GstOssGstClass *klass);
-static void gst_ossgst_init (GstOssGst *ossgst);
-
-static GstElementStateReturn gst_ossgst_change_state (GstElement *element);
-
-static void gst_ossgst_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec);
-static void gst_ossgst_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec);
-
-static GstData* gst_ossgst_get (GstPad *pad);
-
-/* OssGst signals and args */
-enum {
- LAST_SIGNAL
-};
-
-enum {
- ARG_0,
- ARG_MUTE,
- ARG_PROGRAM,
- /* FILL ME */
-};
-
-static GstPadTemplate*
-ossgst_src_factory (void)
-{
- return
- gst_pad_template_new (
- "src",
- GST_PAD_SRC,
- GST_PAD_ALWAYS,
- gst_caps_new (
- "ossgst_src",
- "audio/x-raw-int",
- gst_props_new (
- "endianness", GST_PROPS_INT (G_BYTE_ORDER),
- "signed", GST_PROPS_LIST (
- GST_PROPS_BOOLEAN (FALSE),
- GST_PROPS_BOOLEAN (TRUE)
- ),
- "width", GST_PROPS_LIST (
- GST_PROPS_INT (8),
- GST_PROPS_INT (16)
- ),
- "depth", GST_PROPS_LIST (
- GST_PROPS_INT (8),
- GST_PROPS_INT (16)
- ),
- "rate", GST_PROPS_INT_RANGE (8000, 48000),
- "channels", GST_PROPS_INT_RANGE (1, 2),
- NULL)),
- gst_caps_new (
- "ossgst_src",
- "audio/x-mulaw",
- gst_props_new (
- "rate", GST_PROPS_INT_RANGE (8000, 48000),
- "channels", GST_PROPS_INT_RANGE (1, 2),
- NULL)),
- gst_caps_new (
- "ossgst_src",
- "audio/x-alaw",
- gst_props_new (
- "rate", GST_PROPS_INT_RANGE (8000, 48000),
- "channels", GST_PROPS_INT_RANGE (1, 2),
- NULL)),
- NULL);
-}
-
-
-static GstElementClass *parent_class = NULL;
-static GstPadTemplate *gst_ossgst_src_template;
-
-gchar *__gst_oss_plugin_dir = NULL;
-
-GType
-gst_ossgst_get_type (void)
-{
- static GType ossgst_type = 0;
-
- if (!ossgst_type) {
- static const GTypeInfo ossgst_info = {
- sizeof(GstOssGstClass),
- gst_ossgst_base_init,
- NULL,
- (GClassInitFunc)gst_ossgst_class_init,
- NULL,
- NULL,
- sizeof(GstOssGst),
- 0,
- (GInstanceInitFunc)gst_ossgst_init,
- };
- ossgst_type = g_type_register_static (GST_TYPE_ELEMENT, "GstOssGst", &ossgst_info, 0);
- }
-
- return ossgst_type;
-}
-
-static void
-gst_ossgst_base_init (gpointer g_class)
-{
- GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
-
- gst_element_class_set_details (element_class, &gst_ossgst_details);
- gst_element_class_add_pad_template (element_class, GST_PAD_TEMPLATE_GET (ossgst_src_factory));
-}
-static void
-gst_ossgst_class_init (GstOssGstClass *klass)
-{
- GObjectClass *gobject_class;
- GstElementClass *gstelement_class;
-
- gobject_class = (GObjectClass*)klass;
- gstelement_class = (GstElementClass*)klass;
-
- parent_class = g_type_class_ref(GST_TYPE_ELEMENT);
-
- g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_MUTE,
- g_param_spec_boolean("mute","mute","mute",
- TRUE,G_PARAM_READWRITE)); /* CHECKME */
- g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_PROGRAM,
- g_param_spec_string("command","command","command",
- NULL, G_PARAM_READWRITE)); /* CHECKME */
-
- gobject_class->set_property = gst_ossgst_set_property;
- gobject_class->get_property = gst_ossgst_get_property;
-
- gstelement_class->change_state = gst_ossgst_change_state;
-}
-
-static void
-gst_ossgst_init (GstOssGst *ossgst)
-{
- ossgst->srcpad = gst_pad_new_from_template (gst_ossgst_src_template, "src");
- gst_element_add_pad (GST_ELEMENT (ossgst), ossgst->srcpad);
-
- gst_pad_set_get_function (ossgst->srcpad, gst_ossgst_get);
-
- ossgst->command = NULL;
-}
-
-static GstCaps*
-gst_ossgst_format_to_caps (gint format, gint stereo, gint rate)
-{
- GstCaps *caps = NULL;
- gint law = 0;
- gulong endianness = G_BYTE_ORDER;
- gboolean is_signed = TRUE;
- gint width = 16;
- gboolean supported = TRUE;
-
- GST_DEBUG ("have format 0x%08x %d %d", format, stereo, rate);
-
- switch (format) {
- case AFMT_MU_LAW:
- law = 1;
- break;
- case AFMT_A_LAW:
- law = 2;
- break;
- case AFMT_U8:
- width = 8;
- is_signed = FALSE;
- break;
- case AFMT_S16_LE:
- width = 16;
- endianness = G_LITTLE_ENDIAN;
- is_signed = TRUE;
- break;
- case AFMT_S16_BE:
- endianness = G_BIG_ENDIAN;
- width = 16;
- is_signed = TRUE;
- break;
- case AFMT_S8:
- width = 8;
- is_signed = TRUE;
- break;
- case AFMT_U16_LE:
- width = 16;
- endianness = G_LITTLE_ENDIAN;
- is_signed = FALSE;
- break;
- case AFMT_U16_BE:
- width = 16;
- endianness = G_BIG_ENDIAN;
- is_signed = FALSE;
- break;
- case AFMT_IMA_ADPCM:
- case AFMT_MPEG:
-#ifdef AFMT_AC3
- case AFMT_AC3:
-#endif
- default:
- supported = FALSE;
- break;
- }
-
- if (supported) {
- switch (law) {
- case 0:
- caps = gst_caps_new (
- "ossgst_caps",
- "audio/x-raw-int",
- gst_props_new (
- "endianness", GST_PROPS_INT (endianness),
- "signed", GST_PROPS_BOOLEAN (is_signed),
- "width", GST_PROPS_INT (width),
- "depth", GST_PROPS_INT (width),
- "rate", GST_PROPS_INT (rate),
- "channels", GST_PROPS_INT (stereo?2:1),
- NULL));
- break;
- case 1:
- caps = gst_caps_new (
- "ossgst_caps",
- "audio/x-mulaw",
- gst_props_new (
- "rate", GST_PROPS_INT (rate),
- "channels", GST_PROPS_INT (stereo?2:1),
- NULL));
- break;
- case 2:
- caps = gst_caps_new (
- "ossgst_caps",
- "audio/x-alaw",
- gst_props_new (
- "rate", GST_PROPS_INT (rate),
- "channels", GST_PROPS_INT (stereo?2:1),
- NULL));
- break;
- }
- }
- else {
- g_warning ("gstossgst: program tried to use unsupported format %x\n", format);
- }
-
- return caps;
-}
-
-static GstData*
-gst_ossgst_get (GstPad *pad)
-{
- GstOssGst *ossgst;
- GstBuffer *buf = NULL;
- command cmd;
- gboolean have_data = FALSE;
-
- g_return_val_if_fail (pad != NULL, NULL);
- g_return_val_if_fail (GST_IS_PAD (pad), NULL);
-
- /* this has to be an audio buffer */
- ossgst = GST_OSSGST (gst_pad_get_parent (pad));
-
- while (!have_data) {
- /* read the command */
- read (ossgst->fdout[0], &cmd, sizeof (command));
-
- switch (cmd.id) {
- case CMD_DATA:
- buf = gst_buffer_new ();
- GST_BUFFER_SIZE (buf) = cmd.cmd.length;
- GST_BUFFER_DATA (buf) = g_malloc (GST_BUFFER_SIZE (buf));
-
- GST_BUFFER_SIZE (buf) = read (ossgst->fdout[0], GST_BUFFER_DATA (buf), GST_BUFFER_SIZE (buf));
- have_data = TRUE;
- break;
- case CMD_FORMAT:
- {
- GstCaps *caps;
-
- caps = gst_ossgst_format_to_caps (cmd.cmd.format.format,
- cmd.cmd.format.stereo,
- cmd.cmd.format.rate);
-
- gst_pad_try_set_caps (ossgst->srcpad, caps);
- }
- break;
- default:
- break;
- }
- }
-
- return GST_DATA (buf);
-}
-
-static void
-gst_ossgst_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
-{
- GstOssGst *ossgst;
-
- /* it's not null if we got it, but it might not be ours */
- g_return_if_fail (GST_IS_OSSGST (object));
-
- ossgst = GST_OSSGST (object);
-
- switch (prop_id) {
- case ARG_MUTE:
- ossgst->mute = g_value_get_boolean (value);
- break;
- case ARG_PROGRAM:
- if (ossgst->command)
- g_free (ossgst->command);
- ossgst->command = g_strdup (g_value_get_string (value));
- break;
- default:
- break;
- }
-}
-
-static void
-gst_ossgst_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
-{
- GstOssGst *ossgst;
-
- /* it's not null if we got it, but it might not be ours */
- g_return_if_fail (GST_IS_OSSGST (object));
-
- ossgst = GST_OSSGST (object);
-
- switch (prop_id) {
- case ARG_MUTE:
- g_value_set_boolean (value, ossgst->mute);
- break;
- case ARG_PROGRAM:
- g_value_set_string (value, ossgst->command);
- break;
- default:
- break;
- }
-}
-
-static gboolean
-gst_ossgst_spawn_process (GstOssGst *ossgst)
-{
- static gchar *ld_preload;
-
- pipe(ossgst->fdin);
- pipe(ossgst->fdout);
-
- GST_DEBUG ("about to fork");
-
- if((ossgst->childpid = fork()) == -1)
- {
- perror("fork");
- gst_element_error(GST_ELEMENT(ossgst),"forking");
- return FALSE;
- }
- GST_DEBUG ("forked %d", ossgst->childpid);
-
- if(ossgst->childpid == 0)
- {
- gchar **args;
-
- GST_DEBUG ("fork command %d", ossgst->childpid);
-
- ld_preload = getenv ("LD_PRELOAD");
-
- if (ld_preload == NULL) {
- ld_preload = "";
- }
-
- ld_preload = g_strconcat (ld_preload, " ", __gst_oss_plugin_dir, G_DIR_SEPARATOR_S,
- "libgstosshelper.so", NULL);
-
- setenv ("LD_PRELOAD", ld_preload, TRUE);
-
- /* child */
- dup2(ossgst->fdin[0], HELPER_MAGIC_IN); /* set the childs input stream */
- dup2(ossgst->fdout[1], HELPER_MAGIC_OUT); /* set the childs output stream */
-
- /* split the arguments */
- args = g_strsplit (ossgst->command, " ", 0);
-
- execvp(args[0], args);
-
- /* will only reach if error */
- perror("exec");
- gst_element_error(GST_ELEMENT(ossgst),"starting child process");
- return FALSE;
-
- }
- GST_FLAG_SET(ossgst,GST_OSSGST_OPEN);
-
- return TRUE;
-}
-
-static gboolean
-gst_ossgst_kill_process (GstOssGst *ossgst)
-{
- return TRUE;
-}
-
-static GstElementStateReturn
-gst_ossgst_change_state (GstElement *element)
-{
- g_return_val_if_fail (GST_IS_OSSGST (element), FALSE);
-
- if (GST_STATE_PENDING (element) == GST_STATE_NULL) {
- if (GST_FLAG_IS_SET (element, GST_OSSGST_OPEN))
- gst_ossgst_kill_process (GST_OSSGST (element));
- } else {
- if (!GST_FLAG_IS_SET (element, GST_OSSGST_OPEN)) {
- if (!gst_ossgst_spawn_process (GST_OSSGST (element))) {
- return GST_STATE_FAILURE;
- }
- }
- }
-
- if (GST_ELEMENT_CLASS (parent_class)->change_state)
- return GST_ELEMENT_CLASS (parent_class)->change_state (element);
- return GST_STATE_SUCCESS;
-}
-
+++ /dev/null
-/* GStreamer
- * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
- * 2000 Wim Taymans <wtay@chello.be>
- *
- * gstossgst.h:
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library 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
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
-
-#ifndef __GST_OSSGST_H__
-#define __GST_OSSGST_H__
-
-
-#include <gst/gst.h>
-
-#include <sys/types.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif /* __cplusplus */
-
-
-#define GST_TYPE_OSSGST \
- (gst_ossgst_get_type())
-#define GST_OSSGST(obj) \
- (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_OSSGST,GstOssGst))
-#define GST_OSSGST_CLASS(klass) \
- (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_OSSGST,GstOssGstClass))
-#define GST_IS_OSSGST(obj) \
- (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_OSSGST))
-#define GST_IS_OSSGST_CLASS(obj) \
- (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_OSSGST))
-
-typedef enum {
- GST_OSSGST_OPEN = GST_ELEMENT_FLAG_LAST,
-
- GST_OSSGST_FLAG_LAST = GST_ELEMENT_FLAG_LAST+2,
-} GstOssGstFlags;
-
-typedef struct _GstOssGst GstOssGst;
-typedef struct _GstOssGstClass GstOssGstClass;
-
-struct _GstOssGst {
- GstElement element;
-
- GstPad *srcpad;
-
- gint fdout[2];
- gint fdin[2];
- pid_t childpid;
-
- /* soundcard state */
- gboolean mute;
- gchar *command;
-};
-
-struct _GstOssGstClass {
- GstElementClass parent_class;
-
- /* signals */
-};
-
-GType gst_ossgst_get_type(void);
-
-#ifdef __cplusplus
-}
-#endif /* __cplusplus */
-
-
-#endif /* __GST_OSSGST_H__ */
+++ /dev/null
-/* Evil evil evil hack to get OSS apps to cooperate with esd
- * Copyright (C) 1998, 1999 Manish Singh <yosh@gimp.org>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library 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
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
-/*#define DSP_DEBUG */
-
-/* This lets you run multiple instances of x11amp by setting the X11AMPNUM
- environment variable. Only works on glibc2.
- */
-/* #define MULTIPLE_X11AMP */
-
-#if defined(__GNUC__) && !defined(__STRICT_ANSI__)
-
-#ifdef DSP_DEBUG
-#define DPRINTF(format, args...) printf(format, ## args)
-#else
-#define DPRINTF(format, args...)
-#endif
-
-
-#include "config.h"
-
-#include <dlfcn.h>
-#include <stdarg.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <stdio.h>
-
-#include <errno.h>
-
-#ifdef HAVE_MACHINE_SOUNDCARD_H
-# include <machine/soundcard.h>
-#else
-# ifdef HAVE_SOUNDCARD_H
-# include <soundcard.h>
-# else
-# include <sys/soundcard.h>
-# endif
-#endif
-
-#include "gstosshelper.h"
-
-/* BSDI has this functionality, but not define :() */
-#if defined(RTLD_NEXT)
-#define REAL_LIBC RTLD_NEXT
-#else
-#define REAL_LIBC ((void *) -1L)
-#endif
-
-#if defined(__FreeBSD__) || defined(__bsdi__)
-typedef unsigned long request_t;
-#else
-typedef int request_t;
-#endif
-
-static int sndfd = -1;
-static int new_format = 1;
-static int fmt = AFMT_S16_LE;
-static int speed = 44100;
-static int stereo = 1;
-
-int
-open (const char *pathname, int flags, ...)
-{
- static int (*func) (const char *, int, mode_t) = NULL;
- va_list args;
- mode_t mode;
-
- if (!func)
- func = (int (*) (const char *, int, mode_t)) dlsym (REAL_LIBC, "open");
-
- va_start (args, flags);
- mode = va_arg (args, mode_t);
- va_end (args);
-
- if (!strcmp (pathname, "/dev/dsp")) {
- DPRINTF ("hijacking /dev/dsp open, and taking it to GStreamer...\n");
- return (sndfd = HELPER_MAGIC_SNDFD);
- }
- return (sndfd = (*func) (pathname, flags, mode));
-}
-
-static int
-dspctl (int fd, request_t request, void *argp)
-{
- int *arg = (int *) argp;
-
- DPRINTF ("hijacking /dev/dsp ioctl, and sending it to GStreamer "
- "(%d : %x - %p)\n", fd, request, argp);
-
- switch (request)
- {
- case SNDCTL_DSP_RESET:
- case SNDCTL_DSP_POST:
- break;
-
- case SNDCTL_DSP_SETFMT:
- fmt = *arg;
- new_format = 1;
- break;
-
- case SNDCTL_DSP_SPEED:
- speed = *arg;
- new_format = 1;
- break;
-
- case SNDCTL_DSP_STEREO:
- stereo = *arg;
- new_format = 1;
- break;
-
- case SNDCTL_DSP_GETBLKSIZE:
- *arg = 4096;
- break;
-
- case SNDCTL_DSP_GETFMTS:
- *arg = 0x38;
- break;
-
-#ifdef SNDCTL_DSP_GETCAPS
- case SNDCTL_DSP_GETCAPS:
- *arg = 0;
- break;
-#endif
-
- case SNDCTL_DSP_GETOSPACE:
- {
- audio_buf_info *bufinfo = (audio_buf_info *) argp;
- bufinfo->bytes = 4096;
- }
- break;
-
-
- default:
- DPRINTF ("unhandled /dev/dsp ioctl (%x - %p)\n", request, argp);
- break;
- }
-
- return 0;
-}
-
-void *
-mmap(void *start, size_t length, int prot , int flags, int fd, off_t offset)
-{
- static void * (*func) (void *, size_t, int, int, int, off_t) = NULL;
-
- if (!func)
- func = (void * (*) (void *, size_t, int, int, int, off_t)) dlsym (REAL_LIBC, "mmap");
-
- if ((fd == sndfd) && (sndfd != -1))
- {
- DPRINTF("MMAP: oops... we're in trouble here. /dev/dsp mmap()ed. Not supported yet.\n");
- errno = EACCES;
- return (void *)-1; /* Better causing an error than silently not working, in this case */
- }
-
- return (*func) (start, length, prot, flags, fd, offset);
-}
-
-ssize_t
-write (int fd, const void *buf, size_t len)
-{
- static int (*func) (int, const void *, size_t) = NULL;
- command cmd;
-
- if (!func)
- func = (int (*) (int, const void *, size_t)) dlsym (REAL_LIBC, "write");
-
- if ((fd != sndfd) || (sndfd == -1))
- {
- return (*func) (fd, buf, len);
- }
-
- DPRINTF("WRITE: called for %d bytes\n", len);
-
- if (new_format) {
- new_format = 0;
-
- cmd.id = CMD_FORMAT;
- cmd.cmd.format.format = fmt;
- cmd.cmd.format.stereo = stereo;
- cmd.cmd.format.rate = speed;
-
- (*func) (HELPER_MAGIC_OUT, &cmd, sizeof(command));
- }
- cmd.id = CMD_DATA;
- cmd.cmd.length = len;
-
- (*func) (HELPER_MAGIC_OUT, &cmd, sizeof(command));
- (*func) (HELPER_MAGIC_OUT, buf, len);
-
- /*return (*func) (fd, buf, len); */
-
- return len;
-}
-
-int
-select (int n, fd_set *readfds, fd_set *writefds,
- fd_set *exceptfds, struct timeval *timeout)
-{
- static int (*func) (int, fd_set *, fd_set *, fd_set *, struct timeval *) = NULL;
-
- if (!func)
- func = (int (*) (int, fd_set *, fd_set *, fd_set *, struct timeval *)) dlsym (REAL_LIBC, "select");
-
- if (n == sndfd) {
- DPRINTF ("audiooss: hijacking /dev/dsp select() [output]\n");
- }
-
- return (*func) (n, readfds, writefds, exceptfds, timeout);
-}
-
-int
-dup2 (int oldfd, int newfd)
-{
- static int (*func) (int, int) = NULL;
-
- if (!func)
- func = (int (*) (int, int)) dlsym (REAL_LIBC, "dup2");
-
- if ((oldfd == sndfd) && (oldfd != -1) && (newfd != -1))
- {
- DPRINTF("dup2(%d,%d) (oldfd == sndfd) called\n", oldfd, newfd);
-
- /* Do not close(newfd) as that would mark it available for reuse by the system -
- * just tell the program that yes, we got the fd you asked for. Hackish. */
- sndfd = newfd;
- return newfd;
- }
- return (*func) (oldfd, newfd);
-}
-
-int
-ioctl (int fd, request_t request, ...)
-{
- static int (*func) (int, request_t, void *) = NULL;
- va_list args;
- void *argp;
-
- if (!func)
- func = (int (*) (int, request_t, void *)) dlsym (REAL_LIBC, "ioctl");
-
- va_start (args, request);
- argp = va_arg (args, void *);
- va_end (args);
-
- if (fd == sndfd)
- return dspctl (fd, request, argp);
-
- return (*func) (fd, request, argp);
-}
-
-int
-fcntl(int fd, int cmd, ...)
-{
- static int (*func) (int, int, void *) = NULL;
- va_list args;
- void *argp;
-
- if (!func)
- func = (int (*) (int, int, void *)) dlsym (REAL_LIBC, "fcntl");
-
- va_start (args, cmd);
- argp = va_arg (args, void *);
- va_end (args);
-
- if ((fd != -1) && (fd == sndfd))
- {
- DPRINTF ("hijacking /dev/dsp fcntl() "
- "(%d : %x - %p)\n", fd, cmd, argp);
- if (cmd == F_GETFL) return O_RDWR;
- if (cmd == F_GETFD) return sndfd;
- return 0;
- }
- else
- {
- return (*func) (fd, cmd, argp);
- }
- return 0;
-}
-
-int
-close (int fd)
-{
- static int (*func) (int) = NULL;
-
- if (!func)
- func = (int (*) (int)) dlsym (REAL_LIBC, "close");
-
- if (fd == sndfd)
- sndfd = -1;
-
- return (*func) (fd);
-}
-
-#ifdef MULTIPLE_X11AMP
-
-#include <socketbits.h>
-#include <sys/param.h>
-#include <sys/un.h>
-
-#define ENVSET "X11AMPNUM"
-
-int
-unlink (const char *filename)
-{
- static int (*func) (const char *) = NULL;
- char *num;
-
- if (!func)
- func = (int (*) (const char *)) dlsym (REAL_LIBC, "unlink");
-
- if (!strcmp (filename, "/tmp/X11Amp_CTRL") && (num = getenv (ENVSET)))
- {
- char buf[PATH_MAX] = "/tmp/X11Amp_CTRL";
- strcat (buf, num);
- return (*func) (buf);
- }
- else
- return (*func) (filename);
-}
-
-typedef int (*sa_func_t) (int, struct sockaddr *, int);
-
-static int
-sockaddr_mangle (sa_func_t func, int fd, struct sockaddr *addr, int len)
-{
- char *num;
-
- if (!strcmp (((struct sockaddr_un *) addr)->sun_path, "/tmp/X11Amp_CTRL")
- && (num = getenv(ENVSET)))
- {
- int ret;
- char buf[PATH_MAX] = "/tmp/X11Amp_CTRL";
-
- struct sockaddr_un *new_addr = malloc (len);
-
- strcat (buf, num);
- memcpy (new_addr, addr, len);
- strcpy (new_addr->sun_path, buf);
-
- ret = (*func) (fd, (struct sockaddr *) new_addr, len);
-
- free (new_addr);
- return ret;
- }
- else
- return (*func) (fd, addr, len);
-}
-
-int
-bind (int fd, struct sockaddr *addr, int len)
-{
- static sa_func_t func = NULL;
-
- if (!func)
- func = (sa_func_t) dlsym (REAL_LIBC, "bind");
- return sockaddr_mangle (func, fd, addr, len);
-}
-
-int
-connect (int fd, struct sockaddr *addr, int len)
-{
- static sa_func_t func = NULL;
-
- if (!func)
- func = (sa_func_t) dlsym (REAL_LIBC, "connect");
- return sockaddr_mangle (func, fd, addr, len);
-}
-
-#endif /* MULTIPLE_X11AMP */
-
-#else /* __GNUC__ */
-static char *ident = NULL;
-
-void
-nogcc (void)
-{
- ident = NULL;
-}
-
-#endif /* __GNUC__ */
+++ /dev/null
-/* Evil evil evil hack to get OSS apps to cooperate with esd
- * Copyright (C) 1998, 1999 Manish Singh <yosh@gimp.org>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library 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
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
-#ifndef __GST_OSSGST_HELPER_H__
-#define __GST_OSSGST_HELPER_H__
-
-#define HELPER_MAGIC_IN 500
-#define HELPER_MAGIC_OUT 501
-#define HELPER_MAGIC_SNDFD 502
-
-#define CMD_DATA 1
-#define CMD_FORMAT 2
-
-typedef struct {
- char id;
-
- union {
- unsigned int length;
- struct {
- int format;
- int stereo;
- int rate;
- } format;
- } cmd;
-} command;
-
-
-#endif /* __GST_OSSGST_HELPER_H__ */