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unforming dir names

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Original commit message from CVS:
unforming dir names
This commit is contained in:
Thomas Vander Stichele 2001-12-20 20:25:24 +00:00
parent 3eebb84a1f
commit e382fe90cb
5 changed files with 522 additions and 4 deletions
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18
sys/Makefile.am
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@ -1,5 +1,17 @@
### use HAVE_ stuff to decide on dirs
DIRS=qcam v4l vcdsrc vgasink xvideosink
### FIXME use HAVE_ stuff to decide on dirs
if USE_VGA
VGA_SUBDS=vga
else
VGA_SUBDS=
endif
DIST_SUBDIRS=qcam v4l vcdsrc vgasink xvideosink
if USE_OSS
OSS_SUBDS=oss
else
OSS_SUBDS=
endif
SUBDIRS=$(OSS_SUBDS) qcam v4l vcd $(VGA_SUBDS) xvideo
DIST_SUBDIRS=oss qcam v4l vcd vga xvideo

2
sys/qcam/Makefile.am
View file

@ -5,6 +5,6 @@ plugin_LTLIBRARIES = libgstqcam.la
EXTRA_DIST = qcam-os.c qcam-Linux.c
libgstqcam_la_SOURCES = gstqcamsrc.c qcam-lib.c exposure.c
libgstqcam_la_CFLAGS = -O2 $(GLIB_CFLAGS)
libgstqcam_la_CFLAGS = -O2 $(GST_CFLAGS)
noinst_HEADERS = gstqcamsrc.h qcam-os.h qcam.h qcamip.h qcam-Linux.h

8
sys/vcd/Makefile.am Normal file
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@ -0,0 +1,8 @@
plugindir = $(libdir)/gst
plugin_LTLIBRARIES = libvcdsrc.la
libvcdsrc_la_SOURCES = vcdsrc.c
libvcdsrc_la_CFLAGS = $(GST_CFLAGS)
noinst_HEADERS = vcdsrc.h

402
sys/vcd/vcdsrc.c Normal file
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@ -0,0 +1,402 @@
/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
*
* 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.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <dirent.h>
#include <errno.h>
#include <linux/cdrom.h>
#include <vcdsrc.h>
static GstElementDetails vcdsrc_details = {
"VCD Source",
"Source/File/VCD",
"Asynchronous read from VCD disk",
VERSION,
"Erik Walthinsen <omega@cse.ogi.edu>",
"(C) 1999",
};
/* VCDSrc signals and args */
enum {
/* FILL ME */
LAST_SIGNAL
};
enum {
ARG_0,
ARG_LOCATION,
ARG_TRACK,
ARG_BYTESPERREAD,
ARG_OFFSET,
};
static void vcdsrc_class_init (VCDSrcClass *klass);
static void vcdsrc_init (VCDSrc *vcdsrc);
static void vcdsrc_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec);
static void vcdsrc_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec);
static GstBuffer * vcdsrc_get (GstPad *pad);
/*static GstBuffer * vcdsrc_get_region (GstPad *pad,gulong offset,gulong size); */
static GstElementStateReturn vcdsrc_change_state (GstElement *element);
static void vcdsrc_recalculate(VCDSrc *vcdsrc);
static GstElementClass *parent_class = NULL;
/*static guint vcdsrc_signals[LAST_SIGNAL] = { 0 }; */
GType
vcdsrc_get_type (void)
{
static GType vcdsrc_type = 0;
if (!vcdsrc_type) {
static const GTypeInfo vcdsrc_info = {
sizeof(VCDSrcClass), NULL,
NULL,
(GClassInitFunc)vcdsrc_class_init,
NULL,
NULL,
sizeof(VCDSrc),
0,
(GInstanceInitFunc)vcdsrc_init,
};
vcdsrc_type = g_type_register_static(GST_TYPE_ELEMENT, "VCDSrc", &vcdsrc_info, 0);
}
return vcdsrc_type;
}
static void
vcdsrc_class_init (VCDSrcClass *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_LOCATION,
g_param_spec_string("location","location","location",
NULL, G_PARAM_READWRITE)); /* CHECKME */
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_TRACK,
g_param_spec_int("track","track","track",
G_MININT,G_MAXINT,0,G_PARAM_READWRITE)); /* CHECKME */
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_BYTESPERREAD,
g_param_spec_int("bytesperread","bytesperread","bytesperread",
G_MININT,G_MAXINT,0,G_PARAM_READABLE)); /* CHECKME */
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_OFFSET,
g_param_spec_int("offset","offset","offset",
G_MININT,G_MAXINT,0,G_PARAM_READWRITE)); /* CHECKME */
gobject_class->set_property = vcdsrc_set_property;
gobject_class->get_property = vcdsrc_get_property;
gstelement_class->change_state = vcdsrc_change_state;
}
static void
vcdsrc_init (VCDSrc *vcdsrc)
{
vcdsrc->srcpad = gst_pad_new("src",GST_PAD_SRC);
gst_pad_set_get_function (vcdsrc->srcpad, vcdsrc_get);
/* gst_pad_set_get_region_function (vcdsrc->srcpad, vcdsrc_getregion); */
gst_element_add_pad(GST_ELEMENT(vcdsrc),vcdsrc->srcpad);
vcdsrc->device = g_strdup ("/dev/cdrom");
vcdsrc->track = 2;
vcdsrc->fd = 0;
vcdsrc->trackoffset = 0;
vcdsrc->curoffset = 0;
vcdsrc->bytes_per_read = VCD_BYTES_PER_SECTOR;
vcdsrc->seq = 0;
}
static void
vcdsrc_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
{
VCDSrc *src;
/* it's not null if we got it, but it might not be ours */
g_return_if_fail(GST_IS_VCDSRC(object));
src = VCDSRC(object);
switch (prop_id) {
case ARG_LOCATION:
/* the element must be stopped in order to do this */
/* g_return_if_fail(!GST_FLAG_IS_SET(src,GST_STATE_RUNNING)); */
if (src->device) g_free(src->device);
/* clear the filename if we get a NULL (is that possible?) */
if (g_value_get_string (value) == NULL)
src->device = NULL;
/* otherwise set the new filename */
else
src->device = g_strdup(g_value_get_string (value));
break;
case ARG_TRACK:
src->track = g_value_get_int (value);
vcdsrc_recalculate(src);
break;
/* case ARG_BYTESPERREAD:
src->bytes_per_read = g_value_get_int (value);
break;*/
case ARG_OFFSET:
src->curoffset = g_value_get_int (value) / VCD_BYTES_PER_SECTOR;
break;
default:
break;
}
}
static void
vcdsrc_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
{
VCDSrc *src;
/* it's not null if we got it, but it might not be ours */
g_return_if_fail(GST_IS_VCDSRC(object));
src = VCDSRC(object);
switch (prop_id) {
case ARG_LOCATION:
g_value_set_string (value, src->device);
break;
case ARG_TRACK:
g_value_set_int (value, src->track);
break;
case ARG_BYTESPERREAD:
g_value_set_int (value, src->bytes_per_read);
break;
case ARG_OFFSET:
g_value_set_int (value, src->curoffset * VCD_BYTES_PER_SECTOR);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static GstBuffer *
vcdsrc_get (GstPad *pad)
{
VCDSrc *vcdsrc;
GstBuffer *buf;
gulong offset;
struct cdrom_msf *msf;
gint error_count = 0;
/* fprintf(stderr,"in vcdsrc_push\n"); */
g_return_val_if_fail(pad != NULL, NULL);
g_return_val_if_fail(GST_IS_PAD(pad), NULL);
vcdsrc = VCDSRC (GST_OBJECT_PARENT (pad));
g_return_val_if_fail (GST_FLAG_IS_SET (vcdsrc, VCDSRC_OPEN), NULL);
/* create the buffer */
/* FIXME: should eventually use a bufferpool for this */
buf = gst_buffer_new();
g_return_val_if_fail(buf != NULL, NULL);
/* allocate the space for the buffer data */
GST_BUFFER_DATA(buf) = g_malloc(vcdsrc->bytes_per_read);
memset(GST_BUFFER_DATA(buf),0,vcdsrc->bytes_per_read);
g_return_val_if_fail(GST_BUFFER_DATA(buf) != NULL, NULL);
msf = (struct cdrom_msf *)GST_BUFFER_DATA(buf);
read_sector:
/* read it in from the device */
offset = vcdsrc->trackoffset + vcdsrc->curoffset;
msf->cdmsf_frame0 = offset % 75;
msf->cdmsf_sec0 = (offset / 75) % 60;
msf->cdmsf_min0 = (offset / (75 * 60));
/*gst_info("msf is %d:%d:%d\n",msf->cdmsf_min0,msf->cdmsf_sec0, */
/* msf->cdmsf_frame0); */
if (ioctl(vcdsrc->fd,CDROMREADRAW,msf)) {
if (++error_count > 16)
{
fprintf (stderr, "End of CD\n");
exit(1);
}
fprintf (stderr, "%s while reading raw data from cdrom at %d:%d:%d\n",
strerror (errno),
msf->cdmsf_min0, msf->cdmsf_sec0, msf->cdmsf_frame0);
vcdsrc->curoffset += 1;
goto read_sector;
}
/* if (readbytes == 0) { */
/* gst_src_signal_eos(GST_SRC(vcdsrc)); */
/* gst_element_set_state(GST_ELEMENT(vcdsrc),~GST_STATE_PLAYING); */
/* gst_element_set_state(GST_ELEMENT(vcdsrc),~GST_STATE_RUNNING); */
/* return; */
/* } */
GST_BUFFER_OFFSET(buf) = vcdsrc->curoffset;
GST_BUFFER_SIZE(buf) = vcdsrc->bytes_per_read;
vcdsrc->curoffset += 1;
return buf;
}
/* open the file, necessary to go to RUNNING state */
static gboolean
vcdsrc_open_file(VCDSrc *src)
{
int i;
g_return_val_if_fail(!GST_FLAG_IS_SET(src,VCDSRC_OPEN), FALSE);
/* open the device */
src->fd = open(src->device,O_RDONLY);
if (src->fd < 0) {
perror("open()");
gst_element_error(GST_ELEMENT(src),"opening file");
return FALSE;
}
/* read the table of contents */
if (ioctl(src->fd,CDROMREADTOCHDR,&src->tochdr)) {
perror("reading toc of VCD\n");
/* FIXME */
/* exit(1); */
}
/* allocate enough track structs for disk */
src->numtracks = (src->tochdr.cdth_trk1 - src->tochdr.cdth_trk0) + 1;
src->tracks = g_new (struct cdrom_tocentry, src->numtracks);
/* read each track entry */
for (i=0;i<src->numtracks;i++) {
src->tracks[i].cdte_track = i+1;
src->tracks[i].cdte_format = CDROM_MSF;
if (ioctl(src->fd,CDROMREADTOCENTRY, &src->tracks[i])) {
perror("reading tocentry");
/* FIXME */
/* exit(1);*/
}
fprintf(stderr,"VCDSrc: track begins at %d:%d:%d\n",
src->tracks[i].cdte_addr.msf.minute,
src->tracks[i].cdte_addr.msf.second,
src->tracks[i].cdte_addr.msf.frame);
}
src->trackoffset =
(((src->tracks[src->track-1].cdte_addr.msf.minute * 60) +
src->tracks[src->track-1].cdte_addr.msf.second) * 75) +
src->tracks[src->track-1].cdte_addr.msf.frame;
fprintf(stderr,"VCDSrc: track offset is %ld\n",src->trackoffset);
GST_FLAG_SET(src,VCDSRC_OPEN);
return TRUE;
}
/* close the file */
static void
vcdsrc_close_file (VCDSrc *src)
{
g_return_if_fail(GST_FLAG_IS_SET(src,VCDSRC_OPEN));
/* close the file */
close(src->fd);
/* zero out a lot of our state */
src->fd = 0;
src->curoffset = 0;
src->seq = 0;
GST_FLAG_UNSET(src,VCDSRC_OPEN);
}
static GstElementStateReturn
vcdsrc_change_state (GstElement *element)
{
g_return_val_if_fail(GST_IS_VCDSRC(element), GST_STATE_FAILURE);
/* if going down into NULL state, close the file if it's open */
if (GST_STATE_PENDING(element) == GST_STATE_NULL) {
if (GST_FLAG_IS_SET(element,VCDSRC_OPEN))
vcdsrc_close_file(VCDSRC(element));
/* otherwise (READY or higher) we need to open the sound card */
} else {
if (!GST_FLAG_IS_SET(element,VCDSRC_OPEN)) {
if (!vcdsrc_open_file(VCDSRC(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;
}
static void
vcdsrc_recalculate (VCDSrc *vcdsrc)
{
if (GST_FLAG_IS_SET(vcdsrc,VCDSRC_OPEN)) {
/* calculate track offset (beginning of track) */
vcdsrc->trackoffset =
(((vcdsrc->tracks[vcdsrc->track-1].cdte_addr.msf.minute * 60) +
vcdsrc->tracks[vcdsrc->track-1].cdte_addr.msf.second) * 75) +
vcdsrc->tracks[vcdsrc->track-1].cdte_addr.msf.frame;
fprintf(stderr,"VCDSrc: track offset is %ld\n",vcdsrc->trackoffset);
}
}
static gboolean
plugin_init (GModule *module, GstPlugin *plugin)
{
GstElementFactory *factory;
/* create an elementfactory for the vcdsrc element */
factory = gst_elementfactory_new("vcdsrc",GST_TYPE_VCDSRC,
&vcdsrc_details);
g_return_val_if_fail(factory != NULL, FALSE);
gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (factory));
return TRUE;
}
GstPluginDesc plugin_desc = {
GST_VERSION_MAJOR,
GST_VERSION_MINOR,
"vcdsrc",
plugin_init
};

96
sys/vcd/vcdsrc.h Normal file
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@ -0,0 +1,96 @@
/* Gnome-Streamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
*
* 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 __VCDSRC_H__
#define __VCDSRC_H__
#include <config.h>
#include <gst/gst.h>
#include <linux/cdrom.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#define VCD_BYTES_PER_SECTOR 2352
#define GST_TYPE_VCDSRC \
(vcdsrc_get_type())
#define VCDSRC(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_VCDSRC,VCDSrc))
#define VCDSRC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_VCDSRC,VCDSrcClass))
#define GST_IS_VCDSRC(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_VCDSRC))
#define GST_IS_VCDSRC_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_VCDSRC))
/* NOTE: per-element flags start with 16 for now */
typedef enum {
VCDSRC_OPEN = GST_ELEMENT_FLAG_LAST,
VCDSRC_FLAG_LAST = GST_ELEMENT_FLAG_LAST+2,
} VCDSrcFlags;
typedef struct _VCDSrc VCDSrc;
typedef struct _VCDSrcClass VCDSrcClass;
struct _VCDSrc {
GstElement element;
/* pads */
GstPad *srcpad;
/* device */
gchar *device;
/* track number */
gint track;
/* fd */
gint fd;
struct cdrom_tochdr tochdr;
gint numtracks;
struct cdrom_tocentry *tracks;
/* current time offset */
gulong trackoffset;
gulong frameoffset;
gulong curoffset; /* current offset in file */
gulong bytes_per_read; /* bytes per read */
gulong seq; /* buffer sequence number */
};
struct _VCDSrcClass {
GstElementClass parent_class;
};
GType vcdsrc_get_type(void);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __VCDSRC_H__ */