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-rw-r--r--sys/vcd/vcdsrc.c242
1 files changed, 118 insertions, 124 deletions
diff --git a/sys/vcd/vcdsrc.c b/sys/vcd/vcdsrc.c
index 0824e679..b2868628 100644
--- a/sys/vcd/vcdsrc.c
+++ b/sys/vcd/vcdsrc.c
@@ -37,21 +37,21 @@
#include <vcdsrc.h>
-static GstElementDetails vcdsrc_details = GST_ELEMENT_DETAILS (
- "VCD Source",
- "Source/File",
- "Asynchronous read from VCD disk",
- "Erik Walthinsen <omega@cse.ogi.edu>"
-);
+static GstElementDetails vcdsrc_details = GST_ELEMENT_DETAILS ("VCD Source",
+ "Source/File",
+ "Asynchronous read from VCD disk",
+ "Erik Walthinsen <omega@cse.ogi.edu>");
/* VCDSrc signals and args */
-enum {
+enum
+{
/* FILL ME */
LAST_SIGNAL
};
-enum {
+enum
+{
ARG_0,
ARG_LOCATION,
ARG_TRACK,
@@ -60,20 +60,24 @@ enum {
ARG_MAX_ERRORS,
};
-static void vcdsrc_base_init (gpointer g_class);
-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 void vcdsrc_base_init (gpointer g_class);
+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 GstData *vcdsrc_get (GstPad * pad);
-static GstData * vcdsrc_get (GstPad *pad);
/*static GstBuffer * vcdsrc_get_region (GstPad *pad,gulong offset,gulong size); */
-static GstElementStateReturn vcdsrc_change_state (GstElement *element);
+static GstElementStateReturn vcdsrc_change_state (GstElement * element);
-static void vcdsrc_recalculate(VCDSrc *vcdsrc);
+static void vcdsrc_recalculate (VCDSrc * vcdsrc);
static GstElementClass *parent_class = NULL;
+
/*static guint vcdsrc_signals[LAST_SIGNAL] = { 0 }; */
GType
@@ -83,17 +87,18 @@ vcdsrc_get_type (void)
if (!vcdsrc_type) {
static const GTypeInfo vcdsrc_info = {
- sizeof(VCDSrcClass),
+ sizeof (VCDSrcClass),
vcdsrc_base_init,
NULL,
- (GClassInitFunc)vcdsrc_class_init,
+ (GClassInitFunc) vcdsrc_class_init,
NULL,
NULL,
- sizeof(VCDSrc),
+ sizeof (VCDSrc),
0,
- (GInstanceInitFunc)vcdsrc_init,
+ (GInstanceInitFunc) vcdsrc_init,
};
- vcdsrc_type = g_type_register_static(GST_TYPE_ELEMENT, "VCDSrc", &vcdsrc_info, 0);
+ vcdsrc_type =
+ g_type_register_static (GST_TYPE_ELEMENT, "VCDSrc", &vcdsrc_info, 0);
}
return vcdsrc_type;
}
@@ -102,34 +107,27 @@ static void
vcdsrc_base_init (gpointer g_class)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
-
+
gst_element_class_set_details (element_class, &vcdsrc_details);
}
static void
-vcdsrc_class_init (VCDSrcClass *klass)
+vcdsrc_class_init (VCDSrcClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
- gobject_class = (GObjectClass*)klass;
- gstelement_class = (GstElementClass*)klass;
+ gobject_class = (GObjectClass *) klass;
+ gstelement_class = (GstElementClass *) klass;
parent_class = g_type_class_peek_parent (klass);
- 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 */
- g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_MAX_ERRORS,
- g_param_spec_int("max-errors","","", 0,G_MAXINT,16,G_PARAM_READWRITE));
+ 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 */
+ g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_MAX_ERRORS,
+ g_param_spec_int ("max-errors", "", "", 0, G_MAXINT, 16,
+ G_PARAM_READWRITE));
gobject_class->set_property = vcdsrc_set_property;
gobject_class->get_property = vcdsrc_get_property;
@@ -138,12 +136,12 @@ vcdsrc_class_init (VCDSrcClass *klass)
}
static void
-vcdsrc_init (VCDSrc *vcdsrc)
+vcdsrc_init (VCDSrc * vcdsrc)
{
- vcdsrc->srcpad = gst_pad_new("src",GST_PAD_SRC);
+ 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);
+ gst_element_add_pad (GST_ELEMENT (vcdsrc), vcdsrc->srcpad);
vcdsrc->device = g_strdup ("/dev/cdrom");
vcdsrc->track = 2;
@@ -157,30 +155,32 @@ vcdsrc_init (VCDSrc *vcdsrc)
static void
-vcdsrc_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
+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);
+ 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);
+ 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;
+ src->device = NULL;
/* otherwise set the new filename */
else
- src->device = g_strdup(g_value_get_string (value));
+ src->device = g_strdup (g_value_get_string (value));
break;
case ARG_TRACK:
src->track = g_value_get_int (value);
- vcdsrc_recalculate(src);
+ vcdsrc_recalculate (src);
break;
/* case ARG_BYTESPERREAD:
src->bytes_per_read = g_value_get_int (value);
@@ -198,13 +198,14 @@ vcdsrc_set_property (GObject *object, guint prop_id, const GValue *value, GParam
}
static void
-vcdsrc_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
+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);
+ g_return_if_fail (GST_IS_VCDSRC (object));
+ src = VCDSRC (object);
switch (prop_id) {
case ARG_LOCATION:
@@ -229,7 +230,7 @@ vcdsrc_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *
}
static GstData *
-vcdsrc_get (GstPad *pad)
+vcdsrc_get (GstPad * pad)
{
VCDSrc *vcdsrc;
GstBuffer *buf;
@@ -239,25 +240,25 @@ vcdsrc_get (GstPad *pad)
/* fprintf(stderr,"in vcdsrc_push\n"); */
- g_return_val_if_fail(pad != NULL, NULL);
- g_return_val_if_fail(GST_IS_PAD(pad), NULL);
+ 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);
+ 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);
+ 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);
+ msf = (struct cdrom_msf *) GST_BUFFER_DATA (buf);
- read_sector:
+read_sector:
/* read it in from the device */
offset = vcdsrc->trackoffset + vcdsrc->curoffset;
@@ -268,16 +269,14 @@ vcdsrc_get (GstPad *pad)
/*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 > vcdsrc->max_errors)
- {
- gst_element_set_eos (GST_ELEMENT (vcdsrc));
- return GST_DATA (gst_event_new (GST_EVENT_EOS));
- }
+ if (ioctl (vcdsrc->fd, CDROMREADRAW, msf)) {
+ if (++error_count > vcdsrc->max_errors) {
+ gst_element_set_eos (GST_ELEMENT (vcdsrc));
+ return GST_DATA (gst_event_new (GST_EVENT_EOS));
+ }
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);
+ strerror (errno), msf->cdmsf_min0, msf->cdmsf_sec0, msf->cdmsf_frame0);
vcdsrc->curoffset += 1;
/* Or we can return a zero-filled buffer. Which is better? */
@@ -285,8 +284,8 @@ vcdsrc_get (GstPad *pad)
}
- GST_BUFFER_OFFSET(buf) = vcdsrc->curoffset;
- GST_BUFFER_SIZE(buf) = vcdsrc->bytes_per_read;
+ GST_BUFFER_OFFSET (buf) = vcdsrc->curoffset;
+ GST_BUFFER_SIZE (buf) = vcdsrc->bytes_per_read;
vcdsrc->curoffset += 1;
return GST_DATA (buf);
@@ -294,22 +293,22 @@ vcdsrc_get (GstPad *pad)
/* open the file, necessary to go to RUNNING state */
static gboolean
-vcdsrc_open_file(VCDSrc *src)
+vcdsrc_open_file (VCDSrc * src)
{
int i;
- g_return_val_if_fail(!GST_FLAG_IS_SET(src,VCDSRC_OPEN), FALSE);
+ g_return_val_if_fail (!GST_FLAG_IS_SET (src, VCDSRC_OPEN), FALSE);
/* open the device */
- src->fd = open(src->device,O_RDONLY);
+ src->fd = open (src->device, O_RDONLY);
if (src->fd < 0) {
GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ, (NULL), GST_ERROR_SYSTEM);
return FALSE;
}
/* read the table of contents */
- if (ioctl(src->fd,CDROMREADTOCHDR,&src->tochdr)) {
- perror("reading toc of VCD\n");
+ if (ioctl (src->fd, CDROMREADTOCHDR, &src->tochdr)) {
+ perror ("reading toc of VCD\n");
/* FIXME */
/* exit(1); */
}
@@ -319,96 +318,91 @@ vcdsrc_open_file(VCDSrc *src)
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;
+ 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");
+ 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);
+ 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);
+ (((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);
+ GST_FLAG_SET (src, VCDSRC_OPEN);
return TRUE;
}
/* close the file */
static void
-vcdsrc_close_file (VCDSrc *src)
+vcdsrc_close_file (VCDSrc * src)
{
- g_return_if_fail(GST_FLAG_IS_SET(src,VCDSRC_OPEN));
+ g_return_if_fail (GST_FLAG_IS_SET (src, VCDSRC_OPEN));
/* close the file */
- close(src->fd);
+ 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);
+ GST_FLAG_UNSET (src, VCDSRC_OPEN);
}
static GstElementStateReturn
-vcdsrc_change_state (GstElement *element)
+vcdsrc_change_state (GstElement * element)
{
- g_return_val_if_fail(GST_IS_VCDSRC(element), GST_STATE_FAILURE);
+ 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 */
+ 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_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);
+ 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)
+vcdsrc_recalculate (VCDSrc * vcdsrc)
{
- if (GST_FLAG_IS_SET(vcdsrc,VCDSRC_OPEN)) {
+ 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);
+ (((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 (GstPlugin *plugin)
+plugin_init (GstPlugin * plugin)
{
- return gst_element_register (plugin, "vcdsrc", GST_RANK_NONE, GST_TYPE_VCDSRC);
+ return gst_element_register (plugin, "vcdsrc", GST_RANK_NONE,
+ GST_TYPE_VCDSRC);
}
-GST_PLUGIN_DEFINE (
- GST_VERSION_MAJOR,
- GST_VERSION_MINOR,
- "vcdsrc",
- "Asynchronous read from VCD disk",
- plugin_init,
- VERSION,
- GST_LICENSE,
- GST_PACKAGE,
- GST_ORIGIN
-)
+GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
+ GST_VERSION_MINOR,
+ "vcdsrc",
+ "Asynchronous read from VCD disk",
+ plugin_init, VERSION, GST_LICENSE, GST_PACKAGE, GST_ORIGIN)