mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2025-01-30 11:08:34 +00:00
added more properties, added a 'touch' feature
Original commit message from CVS: updated filesrc to gobject (oops), added more properties, added a 'touch' feature
This commit is contained in:
Erik Walthinsen
parent
91357de891
commit
e0653beb7f
2 changed files with 174 additions and 104 deletions
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@ -78,13 +78,13 @@ GstElementDetails gst_filesrc_details = {
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#define GST_TYPE_FILESRC \
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(gst_filesrc_get_type())
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#define GST_FILESRC(obj) \
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(GTK_CHECK_CAST((obj),GST_TYPE_FILESRC,GstFileSrc))
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_FILESRC,GstFileSrc))
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#define GST_FILESRC_CLASS(klass) \
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(GTK_CHECK_CLASS_CAST((klass),GST_TYPE_FILESRC,GstFileSrcClass))
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_FILESRC,GstFileSrcClass))
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#define GST_IS_FILESRC(obj) \
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(GTK_CHECK_TYPE((obj),GST_TYPE_FILESRC))
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_FILESRC))
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#define GST_IS_FILESRC_CLASS(obj) \
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(GTK_CHECK_CLASS_TYPE((klass),GST_TYPE_FILESRC))
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_FILESRC))
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typedef enum {
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GST_FILESRC_OPEN = GST_ELEMENT_FLAG_LAST,
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@ -97,7 +97,9 @@ typedef struct _GstFileSrcClass GstFileSrcClass;
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struct _GstFileSrc {
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GstElement element;
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GstPad *srcpad;
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GstPad *srcpad;
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guint pagesize; // system page size
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gchar *filename; // filename
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gint fd; // open file descriptor
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@ -105,6 +107,7 @@ struct _GstFileSrc {
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off_t curoffset; // current offset in file
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off_t block_size; // bytes per read
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gboolean touch; // whether to touch every page
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GstBuffer *mapbuf;
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off_t mapsize;
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@ -127,17 +130,19 @@ enum {
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enum {
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ARG_0,
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ARG_LOCATION,
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ARG_FILESIZE,
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ARG_FD,
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ARG_BLOCKSIZE,
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ARG_OFFSET,
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ARG_SIZE,
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ARG_MAPSIZE,
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};
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static void gst_filesrc_class_init (GstFileSrcClass *klass);
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static void gst_filesrc_init (GstFileSrc *filesrc);
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static void gst_filesrc_set_arg (GtkObject *object, GtkArg *arg, guint id);
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static void gst_filesrc_get_arg (GtkObject *object, GtkArg *arg, guint id);
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static void gst_filesrc_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec);
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static void gst_filesrc_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec);
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static GstBuffer * gst_filesrc_get (GstPad *pad);
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@ -147,23 +152,23 @@ static GstElementStateReturn gst_filesrc_change_state (GstElement *element);
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static GstElementClass *parent_class = NULL;
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//static guint gst_filesrc_signals[LAST_SIGNAL] = { 0 };
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GtkType
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GType
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gst_filesrc_get_type(void)
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{
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static GtkType filesrc_type = 0;
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static GType filesrc_type = 0;
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if (!filesrc_type) {
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static const GtkTypeInfo filesrc_info = {
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"GstFileSrc",
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static const GTypeInfo filesrc_info = {
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sizeof(GstFileSrcClass), NULL,
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NULL,
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(GClassInitFunc)gst_filesrc_class_init,
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NULL,
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NULL,
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sizeof(GstFileSrc),
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sizeof(GstFileSrcClass),
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(GtkClassInitFunc)gst_filesrc_class_init,
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(GtkObjectInitFunc)gst_filesrc_init,
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(GtkArgSetFunc)gst_filesrc_set_arg,
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(GtkArgGetFunc)gst_filesrc_get_arg,
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(GtkClassInitFunc)NULL,
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0,
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(GInstanceInitFunc)gst_filesrc_init,
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};
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filesrc_type = gtk_type_unique (GST_TYPE_ELEMENT, &filesrc_info);
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filesrc_type = g_type_register_static (GST_TYPE_ELEMENT, "GstFileSrc", &filesrc_info, 0);
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}
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return filesrc_type;
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}
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@ -171,25 +176,35 @@ gst_filesrc_get_type(void)
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static void
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gst_filesrc_class_init (GstFileSrcClass *klass)
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{
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GtkObjectClass *gtkobject_class;
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GObjectClass *gobject_class;
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GstElementClass *gstelement_class;
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gtkobject_class = (GtkObjectClass*)klass;
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gobject_class = (GObjectClass*)klass;
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gstelement_class = (GstElementClass*)klass;
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parent_class = gtk_type_class (GST_TYPE_ELEMENT);
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parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
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gtk_object_add_arg_type ("GstFileSrc::location", GST_TYPE_FILENAME,
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GTK_ARG_READWRITE, ARG_LOCATION);
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gtk_object_add_arg_type ("GstFileSrc::blocksize", GTK_TYPE_INT,
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GTK_ARG_READWRITE, ARG_BLOCKSIZE);
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gtk_object_add_arg_type ("GstFileSrc::offset", GTK_TYPE_LONG,
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GTK_ARG_READWRITE, ARG_OFFSET);
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gtk_object_add_arg_type ("GstFileSrc::size", GTK_TYPE_LONG,
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GTK_ARG_READABLE, ARG_SIZE);
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g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_LOCATION,
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g_param_spec_string("location","File Location","Location of the file to read",
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NULL,G_PARAM_READWRITE));
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g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_FILESIZE,
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g_param_spec_ulong("filesize","File Size","Size of the file being read",
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0,G_MAXULONG,0,G_PARAM_READABLE));
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g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_FD,
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g_param_spec_int("fd","File-descriptor","File-descriptor for the file being read",
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0,G_MAXINT,0,G_PARAM_READABLE));
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g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_BLOCKSIZE,
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g_param_spec_ulong("blocksize","Block Size","Block size to read per buffer",
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0,G_MAXULONG,4096,G_PARAM_READWRITE));
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g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_OFFSET,
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g_param_spec_ulong("offset","File Offset","Byte offset of current read pointer",
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0,G_MAXULONG,0,G_PARAM_READWRITE));
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g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_MAPSIZE,
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g_param_spec_ulong("mmapsize","mmap() Block Size","Size in bytes of mmap()d regions",
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0,G_MAXULONG,4*1048576,G_PARAM_READWRITE));
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gtkobject_class->set_arg = gst_filesrc_set_arg;
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gtkobject_class->get_arg = gst_filesrc_get_arg;
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gobject_class->set_property = gst_filesrc_set_property;
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gobject_class->get_property = gst_filesrc_get_property;
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gstelement_class->change_state = gst_filesrc_change_state;
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}
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@ -214,15 +229,18 @@ gst_filesrc_init (GstFileSrc *src)
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gst_pad_set_get_function (src->srcpad,gst_filesrc_get);
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gst_element_add_pad (GST_ELEMENT (src), src->srcpad);
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src->pagesize = getpagesize();
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src->filename = NULL;
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src->fd = 0;
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src->filelen = 0;
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src->curoffset = 0;
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src->block_size = 9216;
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src->block_size = 4096;
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src->touch = TRUE;
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src->mapbuf = NULL;
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src->mapsize = 1 * 1024 * 1024; // default is 1MB
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src->mapsize = 4 * 1024 * 1024; // default is 4MB
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src->map_regions = g_tree_new(gst_filesrc_bufcmp);
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src->map_regions_lock = g_mutex_new();
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@ -230,7 +248,7 @@ gst_filesrc_init (GstFileSrc *src)
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static void
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gst_filesrc_set_arg (GtkObject *object, GtkArg *arg, guint id)
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gst_filesrc_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
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{
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GstFileSrc *src;
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@ -239,26 +257,29 @@ gst_filesrc_set_arg (GtkObject *object, GtkArg *arg, guint id)
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src = GST_FILESRC (object);
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switch(id) {
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switch (prop_id) {
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case ARG_LOCATION:
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/* the element must be stopped in order to do this */
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g_return_if_fail (GST_STATE (src) < GST_STATE_PLAYING);
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if (src->filename) g_free (src->filename);
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/* clear the filename if we get a NULL (is that possible?) */
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if (GTK_VALUE_STRING (*arg) == NULL) {
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if (g_value_get_string (value) == NULL) {
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gst_element_set_state (GST_ELEMENT (object), GST_STATE_NULL);
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src->filename = NULL;
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/* otherwise set the new filename */
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} else {
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src->filename = g_strdup (GTK_VALUE_STRING (*arg));
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src->filename = g_strdup (g_value_get_string (value));
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}
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break;
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case ARG_BLOCKSIZE:
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src->block_size = GTK_VALUE_INT (*arg);
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src->block_size = g_value_get_ulong (value);
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break;
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case ARG_OFFSET:
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src->curoffset = GTK_VALUE_LONG (*arg);
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src->curoffset = g_value_get_ulong (value);
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break;
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case ARG_MAPSIZE:
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src->mapsize = g_value_get_ulong (value);
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break;
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default:
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break;
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@ -266,7 +287,7 @@ gst_filesrc_set_arg (GtkObject *object, GtkArg *arg, guint id)
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}
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static void
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gst_filesrc_get_arg (GtkObject *object, GtkArg *arg, guint id)
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gst_filesrc_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
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{
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GstFileSrc *src;
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@ -275,21 +296,27 @@ gst_filesrc_get_arg (GtkObject *object, GtkArg *arg, guint id)
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src = GST_FILESRC (object);
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switch (id) {
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switch (prop_id) {
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case ARG_LOCATION:
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GTK_VALUE_STRING (*arg) = src->filename;
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g_value_set_string (value, src->filename);
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break;
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case ARG_FILESIZE:
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g_value_set_ulong (value, src->filelen);
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break;
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case ARG_FD:
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g_value_set_int (value, src->fd);
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break;
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case ARG_BLOCKSIZE:
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GTK_VALUE_INT (*arg) = src->block_size;
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g_value_set_ulong (value, src->block_size);
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break;
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case ARG_OFFSET:
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GTK_VALUE_LONG (*arg) = src->curoffset;
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g_value_set_ulong (value, src->curoffset);
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break;
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case ARG_SIZE:
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GTK_VALUE_LONG (*arg) = src->filelen;
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case ARG_MAPSIZE:
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g_value_set_ulong (value, src->mapsize);
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break;
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default:
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arg->type = GTK_TYPE_INVALID;
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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@ -299,6 +326,8 @@ gst_filesrc_free_parent_mmap (GstBuffer *buf)
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{
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GstFileSrc *src = GST_FILESRC(GST_BUFFER_POOL_PRIVATE(buf));
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fprintf(stderr,"freeing mmap()d buffer at %d+%d\n",GST_BUFFER_OFFSET(buf),GST_BUFFER_SIZE(buf));
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// remove the buffer from the list of available mmap'd regions
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g_mutex_lock(src->map_regions_lock);
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g_tree_remove(src->map_regions,buf);
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@ -317,7 +346,7 @@ gst_filesrc_map_region (GstFileSrc *src, off_t offset, off_t size)
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{
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GstBuffer *buf;
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GST_DEBUG(0, "mapping region %d+%d from file into memory\n",offset,size);
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fprintf(stderr,"mapping region %d+%d from file into memory\n",offset,size);
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// time to allocate a new mapbuf
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buf = gst_buffer_new();
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@ -347,16 +376,15 @@ gst_filesrc_map_region (GstFileSrc *src, off_t offset, off_t size)
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static GstBuffer *
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gst_filesrc_map_small_region (GstFileSrc *src, off_t offset, off_t size)
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{
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gint pagesize = getpagesize();
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int mod, mapbase, mapsize;
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GstBuffer *map;
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// printf("attempting to map a small buffer at %d+%d\n",offset,size);
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// if the offset starts at a non-page boundary, we have to special case
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if ((mod = offset % pagesize)) {
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if ((mod = offset % src->pagesize)) {
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mapbase = offset - mod;
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mapsize = (((mapbase + size + mod) + (pagesize - 1)) / pagesize) * pagesize - mapbase;
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mapsize = ((size + mod + src->pagesize - 1) / src->pagesize) * src->pagesize;
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// printf("not on page boundaries, resizing map to %d+%d\n",mapbase,mapsize);
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map = gst_filesrc_map_region(src, mapbase, mapsize);
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return gst_buffer_create_sub (map, offset - mapbase, size);
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@ -397,6 +425,7 @@ gst_filesrc_get (GstPad *pad)
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GstBuffer *buf = NULL, *map;
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off_t readend,mapstart,mapend;
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GstFileSrcRegion region;
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int i;
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g_return_val_if_fail (pad != NULL, NULL);
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src = GST_FILESRC (gst_pad_get_parent (pad));
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@ -473,6 +502,12 @@ gst_filesrc_get (GstPad *pad)
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}
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}
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/* if we need to touch the buffer (to bring it into memory), do so */
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if (src->touch) {
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for (i=0;i<GST_BUFFER_SIZE(buf);i+=src->pagesize)
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*(GST_BUFFER_DATA(buf)+i) = *(GST_BUFFER_DATA(buf)+i);
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}
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/* we're done, return the buffer */
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src->curoffset += GST_BUFFER_SIZE(buf);
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return buf;
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@ -78,13 +78,13 @@ GstElementDetails gst_filesrc_details = {
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#define GST_TYPE_FILESRC \
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(gst_filesrc_get_type())
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#define GST_FILESRC(obj) \
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(GTK_CHECK_CAST((obj),GST_TYPE_FILESRC,GstFileSrc))
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_FILESRC,GstFileSrc))
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#define GST_FILESRC_CLASS(klass) \
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(GTK_CHECK_CLASS_CAST((klass),GST_TYPE_FILESRC,GstFileSrcClass))
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_FILESRC,GstFileSrcClass))
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#define GST_IS_FILESRC(obj) \
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(GTK_CHECK_TYPE((obj),GST_TYPE_FILESRC))
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_FILESRC))
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#define GST_IS_FILESRC_CLASS(obj) \
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(GTK_CHECK_CLASS_TYPE((klass),GST_TYPE_FILESRC))
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_FILESRC))
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typedef enum {
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GST_FILESRC_OPEN = GST_ELEMENT_FLAG_LAST,
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@ -97,7 +97,9 @@ typedef struct _GstFileSrcClass GstFileSrcClass;
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struct _GstFileSrc {
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GstElement element;
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GstPad *srcpad;
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GstPad *srcpad;
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guint pagesize; // system page size
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gchar *filename; // filename
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gint fd; // open file descriptor
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@ -105,6 +107,7 @@ struct _GstFileSrc {
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off_t curoffset; // current offset in file
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off_t block_size; // bytes per read
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gboolean touch; // whether to touch every page
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GstBuffer *mapbuf;
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off_t mapsize;
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@ -127,17 +130,19 @@ enum {
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enum {
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ARG_0,
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ARG_LOCATION,
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ARG_FILESIZE,
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ARG_FD,
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ARG_BLOCKSIZE,
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ARG_OFFSET,
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ARG_SIZE,
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ARG_MAPSIZE,
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};
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static void gst_filesrc_class_init (GstFileSrcClass *klass);
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static void gst_filesrc_init (GstFileSrc *filesrc);
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static void gst_filesrc_set_arg (GtkObject *object, GtkArg *arg, guint id);
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static void gst_filesrc_get_arg (GtkObject *object, GtkArg *arg, guint id);
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static void gst_filesrc_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec);
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static void gst_filesrc_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec);
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static GstBuffer * gst_filesrc_get (GstPad *pad);
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@ -147,23 +152,23 @@ static GstElementStateReturn gst_filesrc_change_state (GstElement *element);
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static GstElementClass *parent_class = NULL;
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//static guint gst_filesrc_signals[LAST_SIGNAL] = { 0 };
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GtkType
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GType
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gst_filesrc_get_type(void)
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{
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static GtkType filesrc_type = 0;
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static GType filesrc_type = 0;
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if (!filesrc_type) {
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static const GtkTypeInfo filesrc_info = {
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"GstFileSrc",
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static const GTypeInfo filesrc_info = {
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sizeof(GstFileSrcClass), NULL,
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NULL,
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(GClassInitFunc)gst_filesrc_class_init,
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NULL,
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NULL,
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sizeof(GstFileSrc),
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sizeof(GstFileSrcClass),
|
||||
(GtkClassInitFunc)gst_filesrc_class_init,
|
||||
(GtkObjectInitFunc)gst_filesrc_init,
|
||||
(GtkArgSetFunc)gst_filesrc_set_arg,
|
||||
(GtkArgGetFunc)gst_filesrc_get_arg,
|
||||
(GtkClassInitFunc)NULL,
|
||||
0,
|
||||
(GInstanceInitFunc)gst_filesrc_init,
|
||||
};
|
||||
filesrc_type = gtk_type_unique (GST_TYPE_ELEMENT, &filesrc_info);
|
||||
filesrc_type = g_type_register_static (GST_TYPE_ELEMENT, "GstFileSrc", &filesrc_info, 0);
|
||||
}
|
||||
return filesrc_type;
|
||||
}
|
||||
|
|
@ -171,25 +176,35 @@ gst_filesrc_get_type(void)
|
|||
static void
|
||||
gst_filesrc_class_init (GstFileSrcClass *klass)
|
||||
{
|
||||
GtkObjectClass *gtkobject_class;
|
||||
GObjectClass *gobject_class;
|
||||
GstElementClass *gstelement_class;
|
||||
|
||||
gtkobject_class = (GtkObjectClass*)klass;
|
||||
gobject_class = (GObjectClass*)klass;
|
||||
gstelement_class = (GstElementClass*)klass;
|
||||
|
||||
parent_class = gtk_type_class (GST_TYPE_ELEMENT);
|
||||
parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
|
||||
|
||||
gtk_object_add_arg_type ("GstFileSrc::location", GST_TYPE_FILENAME,
|
||||
GTK_ARG_READWRITE, ARG_LOCATION);
|
||||
gtk_object_add_arg_type ("GstFileSrc::blocksize", GTK_TYPE_INT,
|
||||
GTK_ARG_READWRITE, ARG_BLOCKSIZE);
|
||||
gtk_object_add_arg_type ("GstFileSrc::offset", GTK_TYPE_LONG,
|
||||
GTK_ARG_READWRITE, ARG_OFFSET);
|
||||
gtk_object_add_arg_type ("GstFileSrc::size", GTK_TYPE_LONG,
|
||||
GTK_ARG_READABLE, ARG_SIZE);
|
||||
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_LOCATION,
|
||||
g_param_spec_string("location","File Location","Location of the file to read",
|
||||
NULL,G_PARAM_READWRITE));
|
||||
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_FILESIZE,
|
||||
g_param_spec_ulong("filesize","File Size","Size of the file being read",
|
||||
0,G_MAXULONG,0,G_PARAM_READABLE));
|
||||
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_FD,
|
||||
g_param_spec_int("fd","File-descriptor","File-descriptor for the file being read",
|
||||
0,G_MAXINT,0,G_PARAM_READABLE));
|
||||
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_BLOCKSIZE,
|
||||
g_param_spec_ulong("blocksize","Block Size","Block size to read per buffer",
|
||||
0,G_MAXULONG,4096,G_PARAM_READWRITE));
|
||||
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_OFFSET,
|
||||
g_param_spec_ulong("offset","File Offset","Byte offset of current read pointer",
|
||||
0,G_MAXULONG,0,G_PARAM_READWRITE));
|
||||
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_MAPSIZE,
|
||||
g_param_spec_ulong("mmapsize","mmap() Block Size","Size in bytes of mmap()d regions",
|
||||
0,G_MAXULONG,4*1048576,G_PARAM_READWRITE));
|
||||
|
||||
gtkobject_class->set_arg = gst_filesrc_set_arg;
|
||||
gtkobject_class->get_arg = gst_filesrc_get_arg;
|
||||
gobject_class->set_property = gst_filesrc_set_property;
|
||||
gobject_class->get_property = gst_filesrc_get_property;
|
||||
|
||||
gstelement_class->change_state = gst_filesrc_change_state;
|
||||
}
|
||||
|
|
@ -214,15 +229,18 @@ gst_filesrc_init (GstFileSrc *src)
|
|||
gst_pad_set_get_function (src->srcpad,gst_filesrc_get);
|
||||
gst_element_add_pad (GST_ELEMENT (src), src->srcpad);
|
||||
|
||||
src->pagesize = getpagesize();
|
||||
|
||||
src->filename = NULL;
|
||||
src->fd = 0;
|
||||
src->filelen = 0;
|
||||
|
||||
src->curoffset = 0;
|
||||
src->block_size = 9216;
|
||||
src->block_size = 4096;
|
||||
src->touch = TRUE;
|
||||
|
||||
src->mapbuf = NULL;
|
||||
src->mapsize = 1 * 1024 * 1024; // default is 1MB
|
||||
src->mapsize = 4 * 1024 * 1024; // default is 4MB
|
||||
|
||||
src->map_regions = g_tree_new(gst_filesrc_bufcmp);
|
||||
src->map_regions_lock = g_mutex_new();
|
||||
|
|
@ -230,7 +248,7 @@ gst_filesrc_init (GstFileSrc *src)
|
|||
|
||||
|
||||
static void
|
||||
gst_filesrc_set_arg (GtkObject *object, GtkArg *arg, guint id)
|
||||
gst_filesrc_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
|
||||
{
|
||||
GstFileSrc *src;
|
||||
|
||||
|
|
@ -239,26 +257,29 @@ gst_filesrc_set_arg (GtkObject *object, GtkArg *arg, guint id)
|
|||
|
||||
src = GST_FILESRC (object);
|
||||
|
||||
switch(id) {
|
||||
switch (prop_id) {
|
||||
case ARG_LOCATION:
|
||||
/* the element must be stopped in order to do this */
|
||||
g_return_if_fail (GST_STATE (src) < GST_STATE_PLAYING);
|
||||
|
||||
if (src->filename) g_free (src->filename);
|
||||
/* clear the filename if we get a NULL (is that possible?) */
|
||||
if (GTK_VALUE_STRING (*arg) == NULL) {
|
||||
if (g_value_get_string (value) == NULL) {
|
||||
gst_element_set_state (GST_ELEMENT (object), GST_STATE_NULL);
|
||||
src->filename = NULL;
|
||||
/* otherwise set the new filename */
|
||||
} else {
|
||||
src->filename = g_strdup (GTK_VALUE_STRING (*arg));
|
||||
src->filename = g_strdup (g_value_get_string (value));
|
||||
}
|
||||
break;
|
||||
case ARG_BLOCKSIZE:
|
||||
src->block_size = GTK_VALUE_INT (*arg);
|
||||
src->block_size = g_value_get_ulong (value);
|
||||
break;
|
||||
case ARG_OFFSET:
|
||||
src->curoffset = GTK_VALUE_LONG (*arg);
|
||||
src->curoffset = g_value_get_ulong (value);
|
||||
break;
|
||||
case ARG_MAPSIZE:
|
||||
src->mapsize = g_value_get_ulong (value);
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
|
|
@ -266,7 +287,7 @@ gst_filesrc_set_arg (GtkObject *object, GtkArg *arg, guint id)
|
|||
}
|
||||
|
||||
static void
|
||||
gst_filesrc_get_arg (GtkObject *object, GtkArg *arg, guint id)
|
||||
gst_filesrc_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
|
||||
{
|
||||
GstFileSrc *src;
|
||||
|
||||
|
|
@ -275,21 +296,27 @@ gst_filesrc_get_arg (GtkObject *object, GtkArg *arg, guint id)
|
|||
|
||||
src = GST_FILESRC (object);
|
||||
|
||||
switch (id) {
|
||||
switch (prop_id) {
|
||||
case ARG_LOCATION:
|
||||
GTK_VALUE_STRING (*arg) = src->filename;
|
||||
g_value_set_string (value, src->filename);
|
||||
break;
|
||||
case ARG_FILESIZE:
|
||||
g_value_set_ulong (value, src->filelen);
|
||||
break;
|
||||
case ARG_FD:
|
||||
g_value_set_int (value, src->fd);
|
||||
break;
|
||||
case ARG_BLOCKSIZE:
|
||||
GTK_VALUE_INT (*arg) = src->block_size;
|
||||
g_value_set_ulong (value, src->block_size);
|
||||
break;
|
||||
case ARG_OFFSET:
|
||||
GTK_VALUE_LONG (*arg) = src->curoffset;
|
||||
g_value_set_ulong (value, src->curoffset);
|
||||
break;
|
||||
case ARG_SIZE:
|
||||
GTK_VALUE_LONG (*arg) = src->filelen;
|
||||
case ARG_MAPSIZE:
|
||||
g_value_set_ulong (value, src->mapsize);
|
||||
break;
|
||||
default:
|
||||
arg->type = GTK_TYPE_INVALID;
|
||||
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
|
@ -299,6 +326,8 @@ gst_filesrc_free_parent_mmap (GstBuffer *buf)
|
|||
{
|
||||
GstFileSrc *src = GST_FILESRC(GST_BUFFER_POOL_PRIVATE(buf));
|
||||
|
||||
fprintf(stderr,"freeing mmap()d buffer at %d+%d\n",GST_BUFFER_OFFSET(buf),GST_BUFFER_SIZE(buf));
|
||||
|
||||
// remove the buffer from the list of available mmap'd regions
|
||||
g_mutex_lock(src->map_regions_lock);
|
||||
g_tree_remove(src->map_regions,buf);
|
||||
|
|
@ -317,7 +346,7 @@ gst_filesrc_map_region (GstFileSrc *src, off_t offset, off_t size)
|
|||
{
|
||||
GstBuffer *buf;
|
||||
|
||||
GST_DEBUG(0, "mapping region %d+%d from file into memory\n",offset,size);
|
||||
fprintf(stderr,"mapping region %d+%d from file into memory\n",offset,size);
|
||||
|
||||
// time to allocate a new mapbuf
|
||||
buf = gst_buffer_new();
|
||||
|
|
@ -347,16 +376,15 @@ gst_filesrc_map_region (GstFileSrc *src, off_t offset, off_t size)
|
|||
static GstBuffer *
|
||||
gst_filesrc_map_small_region (GstFileSrc *src, off_t offset, off_t size)
|
||||
{
|
||||
gint pagesize = getpagesize();
|
||||
int mod, mapbase, mapsize;
|
||||
GstBuffer *map;
|
||||
|
||||
// printf("attempting to map a small buffer at %d+%d\n",offset,size);
|
||||
|
||||
// if the offset starts at a non-page boundary, we have to special case
|
||||
if ((mod = offset % pagesize)) {
|
||||
if ((mod = offset % src->pagesize)) {
|
||||
mapbase = offset - mod;
|
||||
mapsize = (((mapbase + size + mod) + (pagesize - 1)) / pagesize) * pagesize - mapbase;
|
||||
mapsize = ((size + mod + src->pagesize - 1) / src->pagesize) * src->pagesize;
|
||||
// printf("not on page boundaries, resizing map to %d+%d\n",mapbase,mapsize);
|
||||
map = gst_filesrc_map_region(src, mapbase, mapsize);
|
||||
return gst_buffer_create_sub (map, offset - mapbase, size);
|
||||
|
|
@ -397,6 +425,7 @@ gst_filesrc_get (GstPad *pad)
|
|||
GstBuffer *buf = NULL, *map;
|
||||
off_t readend,mapstart,mapend;
|
||||
GstFileSrcRegion region;
|
||||
int i;
|
||||
|
||||
g_return_val_if_fail (pad != NULL, NULL);
|
||||
src = GST_FILESRC (gst_pad_get_parent (pad));
|
||||
|
|
@ -473,6 +502,12 @@ gst_filesrc_get (GstPad *pad)
|
|||
}
|
||||
}
|
||||
|
||||
/* if we need to touch the buffer (to bring it into memory), do so */
|
||||
if (src->touch) {
|
||||
for (i=0;i<GST_BUFFER_SIZE(buf);i+=src->pagesize)
|
||||
*(GST_BUFFER_DATA(buf)+i) = *(GST_BUFFER_DATA(buf)+i);
|
||||
}
|
||||
|
||||
/* we're done, return the buffer */
|
||||
src->curoffset += GST_BUFFER_SIZE(buf);
|
||||
return buf;
|
||||
|
|
|
|||
Loading…
Reference in a new issue