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gstreamer/ext/dvdnav/dvdnavsrc.c
Thomas Vander Stichele 0881834013 so remove dep on dvdread header 
Original commit message from CVS:
this is now included in libdvdnav (as well), so remove dep on dvdread header
2004-02-03 12:04:43 +00:00

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/* GStreamer
* Copyright (C) 2002 David I. Lehn <dlehn@users.sourceforge.net>
*
* 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 <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
#include <errno.h>
#include <assert.h>
#include <gst/gst.h>
#include <dvdnav/dvdnav.h>
#include <dvdnav/nav_print.h>
#define GST_TYPE_DVDNAVSRC \
(dvdnavsrc_get_type())
#define DVDNAVSRC(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DVDNAVSRC,DVDNavSrc))
#define DVDNAVSRC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DVDNAVSRC,DVDNavSrcClass))
#define GST_IS_DVDNAVSRC(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DVDNAVSRC))
#define GST_IS_DVDNAVSRC_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DVDNAVSRC))
typedef struct _DVDNavSrc DVDNavSrc;
typedef struct _DVDNavSrcClass DVDNavSrcClass;
struct _DVDNavSrc {
GstElement element;
/* pads */
GstPad *srcpad;
GstCaps *streaminfo;
/* location */
gchar *location;
gboolean did_seek;
gboolean need_flush;
int title, chapter, angle;
dvdnav_t *dvdnav;
GstCaps *buttoninfo;
};
struct _DVDNavSrcClass {
GstElementClass parent_class;
void (*button_pressed) (DVDNavSrc *src, int button);
void (*pointer_select) (DVDNavSrc *src, int x, int y);
void (*pointer_activate) (DVDNavSrc *src, int x, int y);
void (*user_op) (DVDNavSrc *src, int op);
};
/* elementfactory information */
GstElementDetails dvdnavsrc_details = {
"DVD Source",
"Source/File/DVD",
"Access a DVD with navigation features using libdvdnav",
"David I. Lehn <dlehn@users.sourceforge.net>",
};
/* DVDNavSrc signals and args */
enum {
BUTTON_PRESSED_SIGNAL,
POINTER_SELECT_SIGNAL,
POINTER_ACTIVATE_SIGNAL,
USER_OP_SIGNAL,
LAST_SIGNAL
};
enum {
ARG_0,
ARG_LOCATION,
ARG_STREAMINFO,
ARG_BUTTONINFO,
ARG_TITLE_STRING,
ARG_TITLE,
ARG_CHAPTER,
ARG_ANGLE
};
typedef enum {
DVDNAVSRC_OPEN = GST_ELEMENT_FLAG_LAST,
DVDNAVSRC_FLAG_LAST = GST_ELEMENT_FLAG_LAST+2,
} DVDNavSrcFlags;
GType dvdnavsrc_get_type (void);
static void dvdnavsrc_base_init (gpointer g_class);
static void dvdnavsrc_class_init (DVDNavSrcClass *klass);
static void dvdnavsrc_init (DVDNavSrc *dvdnavsrc);
static void dvdnavsrc_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec);
static void dvdnavsrc_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec);
static GstData * dvdnavsrc_get (GstPad *pad);
/*static GstBuffer * dvdnavsrc_get_region (GstPad *pad,gulong offset,gulong size); */
static gboolean dvdnavsrc_event (GstPad *pad, GstEvent *event);
static const GstEventMask*
dvdnavsrc_get_event_mask (GstPad *pad);
static const GstFormat*
dvdnavsrc_get_formats (GstPad *pad);
/*static gboolean dvdnavsrc_convert (GstPad *pad,
GstFormat src_format,
gint64 src_value,
GstFormat *dest_format,
gint64 *dest_value);*/
static gboolean dvdnavsrc_query (GstPad *pad, GstQueryType type,
GstFormat *format, gint64 *value);
static const GstQueryType*
dvdnavsrc_get_query_types (GstPad *pad);
static gboolean dvdnavsrc_close (DVDNavSrc *src);
static gboolean dvdnavsrc_open (DVDNavSrc *src);
static gboolean dvdnavsrc_is_open (DVDNavSrc *src);
static void dvdnavsrc_print_event (DVDNavSrc *src, guint8 *data, int event, int len);
static void dvdnavsrc_update_streaminfo (DVDNavSrc *src);
static void dvdnavsrc_update_buttoninfo (DVDNavSrc *src);
static void dvdnavsrc_button_pressed (DVDNavSrc *src, int button);
static void dvdnavsrc_pointer_select (DVDNavSrc *src, int x, int y);
static void dvdnavsrc_pointer_activate (DVDNavSrc *src, int x, int y);
static void dvdnavsrc_user_op (DVDNavSrc *src, int op);
static GstElementStateReturn dvdnavsrc_change_state (GstElement *element);
static GstElementClass *parent_class = NULL;
static guint dvdnavsrc_signals[LAST_SIGNAL] = { 0 };
static GstFormat sector_format;
static GstFormat title_format;
static GstFormat chapter_format;
static GstFormat angle_format;
GType
dvdnavsrc_get_type (void)
{
static GType dvdnavsrc_type = 0;
if (!dvdnavsrc_type) {
static const GTypeInfo dvdnavsrc_info = {
sizeof(DVDNavSrcClass),
dvdnavsrc_base_init,
NULL,
(GClassInitFunc)dvdnavsrc_class_init,
NULL,
NULL,
sizeof(DVDNavSrc),
0,
(GInstanceInitFunc)dvdnavsrc_init,
};
dvdnavsrc_type = g_type_register_static (GST_TYPE_ELEMENT, "DVDNavSrc", &dvdnavsrc_info, 0);
sector_format = gst_format_register ("sector", "DVD sector");
title_format = gst_format_register ("title", "DVD title");
chapter_format = gst_format_register ("chapter", "DVD chapter");
angle_format = gst_format_register ("angle", "DVD angle");
}
return dvdnavsrc_type;
}
static void
dvdnavsrc_base_init (gpointer g_class)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
gst_element_class_set_details (element_class, &dvdnavsrc_details);
}
static void
dvdnavsrc_class_init (DVDNavSrcClass *klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
gobject_class = (GObjectClass*)klass;
gstelement_class = (GstElementClass*)klass;
parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
dvdnavsrc_signals[BUTTON_PRESSED_SIGNAL] =
g_signal_new ("button_pressed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
G_STRUCT_OFFSET (DVDNavSrcClass, button_pressed),
NULL, NULL,
gst_marshal_VOID__INT,
G_TYPE_NONE, 1,
G_TYPE_INT);
dvdnavsrc_signals[POINTER_SELECT_SIGNAL] =
g_signal_new ("pointer_select",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
G_STRUCT_OFFSET (DVDNavSrcClass, pointer_select),
NULL, NULL,
gst_marshal_VOID__INT_INT,
G_TYPE_NONE, 2,
G_TYPE_INT, G_TYPE_INT);
dvdnavsrc_signals[POINTER_ACTIVATE_SIGNAL] =
g_signal_new ("pointer_activate",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
G_STRUCT_OFFSET (DVDNavSrcClass, pointer_activate),
NULL, NULL,
gst_marshal_VOID__INT_INT,
G_TYPE_NONE, 2,
G_TYPE_INT, G_TYPE_INT);
dvdnavsrc_signals[USER_OP_SIGNAL] =
g_signal_new ("user_op",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
G_STRUCT_OFFSET (DVDNavSrcClass, user_op),
NULL, NULL,
gst_marshal_VOID__INT,
G_TYPE_NONE, 1,
G_TYPE_INT);
klass->button_pressed = dvdnavsrc_button_pressed;
klass->pointer_select = dvdnavsrc_pointer_select;
klass->pointer_activate = dvdnavsrc_pointer_activate;
klass->user_op = dvdnavsrc_user_op;
g_object_class_install_property(gobject_class, ARG_LOCATION,
g_param_spec_string("location", "location", "location",
NULL, G_PARAM_READWRITE));
g_object_class_install_property(gobject_class, ARG_TITLE_STRING,
g_param_spec_string("title_string", "title string", "DVD title string",
NULL, G_PARAM_READABLE));
g_object_class_install_property(gobject_class, ARG_TITLE,
g_param_spec_int("title", "title", "title",
0,99,1,G_PARAM_READWRITE));
g_object_class_install_property(gobject_class, ARG_CHAPTER,
g_param_spec_int("chapter", "chapter", "chapter",
0,99,1,G_PARAM_READWRITE));
g_object_class_install_property(gobject_class, ARG_ANGLE,
g_param_spec_int("angle", "angle", "angle",
1,9,1,G_PARAM_READWRITE));
g_object_class_install_property(gobject_class, ARG_STREAMINFO,
g_param_spec_boxed("streaminfo", "streaminfo", "streaminfo",
GST_TYPE_CAPS, G_PARAM_READABLE));
g_object_class_install_property(gobject_class, ARG_BUTTONINFO,
g_param_spec_boxed("buttoninfo", "buttoninfo", "buttoninfo",
GST_TYPE_CAPS, G_PARAM_READABLE));
gobject_class->set_property = GST_DEBUG_FUNCPTR(dvdnavsrc_set_property);
gobject_class->get_property = GST_DEBUG_FUNCPTR(dvdnavsrc_get_property);
gstelement_class->change_state = dvdnavsrc_change_state;
}
static void
dvdnavsrc_init (DVDNavSrc *src)
{
src->srcpad = gst_pad_new ("src", GST_PAD_SRC);
gst_pad_set_get_function (src->srcpad, dvdnavsrc_get);
gst_pad_set_event_function (src->srcpad, dvdnavsrc_event);
gst_pad_set_event_mask_function (src->srcpad, dvdnavsrc_get_event_mask);
/*gst_pad_set_convert_function (src->srcpad, dvdnavsrc_convert);*/
gst_pad_set_query_function (src->srcpad, dvdnavsrc_query);
gst_pad_set_query_type_function (src->srcpad, dvdnavsrc_get_query_types);
gst_pad_set_formats_function (src->srcpad, dvdnavsrc_get_formats);
gst_element_add_pad (GST_ELEMENT (src), src->srcpad);
src->location = g_strdup("/dev/dvd");
src->did_seek = FALSE;
src->need_flush = FALSE;
src->title = 0;
src->chapter = 0;
src->angle = 1;
src->streaminfo = NULL;
src->buttoninfo = NULL;
}
static gboolean
dvdnavsrc_is_open (DVDNavSrc *src)
{
g_return_val_if_fail (src != NULL, FALSE);
g_return_val_if_fail (GST_IS_DVDNAVSRC (src), FALSE);
return GST_FLAG_IS_SET (src, DVDNAVSRC_OPEN);
}
static void
dvdnavsrc_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
{
DVDNavSrc *src;
/* it's not null if we got it, but it might not be ours */
g_return_if_fail (GST_IS_DVDNAVSRC (object));
src = DVDNAVSRC (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->location)
g_free (src->location);
/* clear the filename if we get a NULL (is that possible?) */
if (g_value_get_string (value) == NULL)
src->location = g_strdup("/dev/dvd");
/* otherwise set the new filename */
else
src->location = g_strdup (g_value_get_string (value));
break;
case ARG_TITLE:
src->title = g_value_get_int (value);
src->did_seek = TRUE;
break;
case ARG_CHAPTER:
src->chapter = g_value_get_int (value);
src->did_seek = TRUE;
break;
case ARG_ANGLE:
src->angle = g_value_get_int (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
dvdnavsrc_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
{
DVDNavSrc *src;
const char *title_string;
/* it's not null if we got it, but it might not be ours */
g_return_if_fail (GST_IS_DVDNAVSRC (object));
src = DVDNAVSRC (object);
switch (prop_id) {
case ARG_LOCATION:
g_value_set_string (value, src->location);
break;
case ARG_STREAMINFO:
g_value_set_boxed (value, src->streaminfo);
break;
case ARG_BUTTONINFO:
g_value_set_boxed (value, src->buttoninfo);
break;
case ARG_TITLE_STRING:
if (!dvdnavsrc_is_open(src)) {
g_value_set_string (value, "");
} else if (dvdnav_get_title_string(src->dvdnav, &title_string) !=
DVDNAV_STATUS_OK) {
g_value_set_string (value, "UNKNOWN");
} else {
g_value_set_string (value, title_string);
}
break;
case ARG_TITLE:
g_value_set_int (value, src->title);
break;
case ARG_CHAPTER:
g_value_set_int (value, src->chapter);
break;
case ARG_ANGLE:
g_value_set_int (value, src->angle);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static gboolean
dvdnavsrc_tca_seek(DVDNavSrc *src, int title, int chapter, int angle)
{
int titles, programs, curangle, angles;
g_return_val_if_fail (src != NULL, FALSE);
g_return_val_if_fail (src->dvdnav != NULL, FALSE);
g_return_val_if_fail (dvdnavsrc_is_open (src), FALSE);
/* Dont try to seek to track 0 - First Play program chain */
g_return_val_if_fail (src->title > 0, FALSE);
fprintf (stderr, "dvdnav: seeking to %d/%d/%d\n", title, chapter, angle);
/**
* Make sure our title number is valid.
*/
if (dvdnav_get_number_of_titles (src->dvdnav, &titles) != DVDNAV_STATUS_OK) {
fprintf (stderr, "dvdnav_get_number_of_titles error: %s\n", dvdnav_err_to_string(src->dvdnav));
return FALSE;
}
fprintf (stderr, "There are %d titles on this DVD.\n", titles);
if (title < 1 || title > titles) {
fprintf (stderr, "Invalid title %d.\n", title);
dvdnavsrc_close (src);
return FALSE;
}
/**
* Before we can get the number of chapters (programs) we need to call
* dvdnav_title_play so that dvdnav_get_number_of_programs knows which title
* to operate on (also needed to get the number of angles)
*/
if (dvdnav_title_play (src->dvdnav, title) != DVDNAV_STATUS_OK) {
fprintf (stderr, "dvdnav_title_play error: %s\n",
dvdnav_err_to_string(src->dvdnav));
return FALSE;
}
/**
* Make sure the chapter number is valid for this title.
*/
if (dvdnav_get_number_of_titles (src->dvdnav, &programs) != DVDNAV_STATUS_OK) {
fprintf( stderr, "dvdnav_get_number_of_programs error: %s\n", dvdnav_err_to_string(src->dvdnav));
return FALSE;
}
fprintf (stderr, "There are %d chapters in this title.\n", programs);
if (chapter < 0 || chapter > programs) {
fprintf (stderr, "Invalid chapter %d\n", chapter);
dvdnavsrc_close (src);
return FALSE;
}
/**
* Make sure the angle number is valid for this title.
*/
if (dvdnav_get_angle_info (src->dvdnav, &curangle, &angles) != DVDNAV_STATUS_OK) {
fprintf (stderr, "dvdnav_get_angle_info error: %s\n", dvdnav_err_to_string(src->dvdnav));
return FALSE;
}
fprintf (stderr, "There are %d angles in this title.\n", angles);
if( angle < 1 || angle > angles) {
fprintf (stderr, "Invalid angle %d\n", angle);
dvdnavsrc_close (src);
return FALSE;
}
/**
* We've got enough info, time to open the title set data.
*/
if (src->chapter == 0) {
if (dvdnav_title_play (src->dvdnav, title) != DVDNAV_STATUS_OK) {
fprintf (stderr, "dvdnav_title_play error: %s\n", dvdnav_err_to_string(src->dvdnav));
return FALSE;
}
} else {
if (dvdnav_part_play (src->dvdnav, title, chapter) != DVDNAV_STATUS_OK) {
fprintf (stderr, "dvdnav_part_play error: %s\n", dvdnav_err_to_string(src->dvdnav));
return FALSE;
}
}
if (dvdnav_angle_change (src->dvdnav, angle) != DVDNAV_STATUS_OK) {
fprintf (stderr, "dvdnav_angle_change error: %s\n", dvdnav_err_to_string(src->dvdnav));
return FALSE;
}
/*
if (dvdnav_physical_audio_stream_change (src->dvdnav, 0) != DVDNAV_STATUS_OK) {
fprintf (stderr, "dvdnav_physical_audio_stream_change error: %s\n", dvdnav_err_to_string(src->dvdnav));
return FALSE;
}
if (dvdnav_logical_audio_stream_change (src->dvdnav, 0) != DVDNAV_STATUS_OK) {
fprintf (stderr, "dvdnav_logical_audio_stream_change error: %s\n", dvdnav_err_to_string(src->dvdnav));
return FALSE;
}
*/
src->did_seek = TRUE;
return TRUE;
}
static void
dvdnavsrc_update_streaminfo (DVDNavSrc *src)
{
GstCaps *caps;
GstStructure *structure;
gint64 value;
caps = gst_caps_new_empty();
structure = gst_structure_empty_new ("application/x-gst-streaminfo");
gst_caps_append_structure (caps, structure);
if (dvdnavsrc_query(src->srcpad, GST_QUERY_TOTAL, &title_format, &value)) {
gst_caps_set_simple (caps, "titles", G_TYPE_INT, value, NULL);
}
if (dvdnavsrc_query(src->srcpad, GST_QUERY_POSITION, &title_format, &value)) {
gst_caps_set_simple (caps, "title", G_TYPE_INT, value, NULL);
}
if (dvdnavsrc_query(src->srcpad, GST_QUERY_TOTAL, &chapter_format, &value)) {
gst_caps_set_simple (caps, "chapters", G_TYPE_INT, value, NULL);
}
if (dvdnavsrc_query(src->srcpad, GST_QUERY_POSITION, &chapter_format, &value)) {
gst_caps_set_simple (caps, "chapter", G_TYPE_INT, value, NULL);
}
if (dvdnavsrc_query(src->srcpad, GST_QUERY_TOTAL, &angle_format, &value)) {
gst_caps_set_simple (caps, "angles", G_TYPE_INT, value, NULL);
}
if (dvdnavsrc_query(src->srcpad, GST_QUERY_POSITION, &angle_format, &value)) {
gst_caps_set_simple (caps, "angle", G_TYPE_INT, value, NULL);
}
if (src->streaminfo) {
gst_caps_free (src->streaminfo);
}
src->streaminfo = caps;
g_object_notify (G_OBJECT (src), "streaminfo");
}
static void
dvdnavsrc_update_buttoninfo (DVDNavSrc *src)
{
GstCaps *caps;
pci_t *pci;
pci = dvdnav_get_current_nav_pci(src->dvdnav);
if (src->buttoninfo) {
gint btn_ns;
/* Don't notify if there is no actual change */
if (gst_structure_get_int (gst_caps_get_structure (src->buttoninfo, 0),
"total", &btn_ns)
&& (btn_ns == pci->hli.hl_gi.btn_ns))
{
return;
}
}
caps = gst_caps_new_simple (
"application/x-gst-dvdnavsrc-buttoninfo",
"total", G_TYPE_INT, (gint) pci->hli.hl_gi.btn_ns,
NULL);
if (src->buttoninfo)
gst_caps_free (src->buttoninfo);
src->buttoninfo = caps;
g_object_notify (G_OBJECT (src), "buttoninfo");
}
static void
dvdnavsrc_button_pressed (DVDNavSrc *src, int button)
{
}
static void
dvdnavsrc_pointer_select (DVDNavSrc *src, int x, int y)
{
dvdnav_mouse_select(src->dvdnav,
dvdnav_get_current_nav_pci(src->dvdnav),
x, y);
}
static void
dvdnavsrc_pointer_activate (DVDNavSrc *src, int x, int y)
{
dvdnav_mouse_activate(src->dvdnav,
dvdnav_get_current_nav_pci(src->dvdnav),
x, y);
}
static void
dvdnavsrc_user_op (DVDNavSrc *src, int op)
{
pci_t *pci = dvdnav_get_current_nav_pci(src->dvdnav);
fprintf (stderr, "user_op %d\n", op);
/* Magic user_op ids */
switch (op) {
case 0: /* None */
break;
case 1: /* Upper */
if (dvdnav_upper_button_select(src->dvdnav, pci) != DVDNAV_STATUS_OK) {
goto naverr;
}
break;
case 2: /* Lower */
if (dvdnav_lower_button_select(src->dvdnav, pci) != DVDNAV_STATUS_OK) {
goto naverr;
}
break;
case 3: /* Left */
if (dvdnav_left_button_select(src->dvdnav, pci) != DVDNAV_STATUS_OK) {
goto naverr;
}
break;
case 4: /* Right */
if (dvdnav_right_button_select(src->dvdnav, pci) != DVDNAV_STATUS_OK) {
goto naverr;
}
break;
case 5: /* Activate */
if (dvdnav_button_activate(src->dvdnav, pci) != DVDNAV_STATUS_OK) {
goto naverr;
}
break;
case 6: /* GoUp */
if (dvdnav_go_up(src->dvdnav) != DVDNAV_STATUS_OK) {
goto naverr;
}
break;
case 7: /* TopPG */
if (dvdnav_top_pg_search(src->dvdnav) != DVDNAV_STATUS_OK) {
goto naverr;
}
break;
case 8: /* PrevPG */
if (dvdnav_prev_pg_search(src->dvdnav) != DVDNAV_STATUS_OK) {
goto naverr;
}
break;
case 9: /* NextPG */
if (dvdnav_next_pg_search(src->dvdnav) != DVDNAV_STATUS_OK) {
goto naverr;
}
break;
case 10: /* Menu - Title */
if (dvdnav_menu_call(src->dvdnav, DVD_MENU_Title) != DVDNAV_STATUS_OK) {
goto naverr;
}
break;
case 11: /* Menu - Root */
if (dvdnav_menu_call(src->dvdnav, DVD_MENU_Root) != DVDNAV_STATUS_OK) {
goto naverr;
}
break;
case 12: /* Menu - Subpicture */
if (dvdnav_menu_call(src->dvdnav, DVD_MENU_Subpicture) != DVDNAV_STATUS_OK) {
goto naverr;
}
break;
case 13: /* Menu - Audio */
if (dvdnav_menu_call(src->dvdnav, DVD_MENU_Audio) != DVDNAV_STATUS_OK) {
goto naverr;
}
break;
case 14: /* Menu - Angle */
if (dvdnav_menu_call(src->dvdnav, DVD_MENU_Angle) != DVDNAV_STATUS_OK) {
goto naverr;
}
break;
case 15: /* Menu - Part */
if (dvdnav_menu_call(src->dvdnav, DVD_MENU_Part) != DVDNAV_STATUS_OK) {
goto naverr;
}
break;
}
return;
naverr:
GST_ELEMENT_ERROR (src, LIBRARY, TOO_LAZY, (NULL),
("user op %d failure: %s", op, dvdnav_err_to_string(src->dvdnav)));
}
static gchar *
dvdnav_get_event_name(int event)
{
switch (event) {
case DVDNAV_BLOCK_OK: return "DVDNAV_BLOCK_OK"; break;
case DVDNAV_NOP: return "DVDNAV_NOP"; break;
case DVDNAV_STILL_FRAME: return "DVDNAV_STILL_FRAME"; break;
case DVDNAV_SPU_STREAM_CHANGE: return "DVDNAV_SPU_STREAM_CHANGE"; break;
case DVDNAV_AUDIO_STREAM_CHANGE: return "DVDNAV_AUDIO_STREAM_CHANGE"; break;
case DVDNAV_VTS_CHANGE: return "DVDNAV_VTS_CHANGE"; break;
case DVDNAV_CELL_CHANGE: return "DVDNAV_CELL_CHANGE"; break;
case DVDNAV_NAV_PACKET: return "DVDNAV_NAV_PACKET"; break;
case DVDNAV_STOP: return "DVDNAV_STOP"; break;
case DVDNAV_HIGHLIGHT: return "DVDNAV_HIGHLIGHT"; break;
case DVDNAV_SPU_CLUT_CHANGE: return "DVDNAV_SPU_CLUT_CHANGE"; break;
case DVDNAV_HOP_CHANNEL: return "DVDNAV_HOP_CHANNEL"; break;
case DVDNAV_WAIT: return "DVDNAV_WAIT"; break;
}
return "UNKNOWN";
}
static gchar *
dvdnav_get_read_domain_name(dvd_read_domain_t domain)
{
switch (domain) {
case DVD_READ_INFO_FILE: return "DVD_READ_INFO_FILE"; break;
case DVD_READ_INFO_BACKUP_FILE: return "DVD_READ_INFO_BACKUP_FILE"; break;
case DVD_READ_MENU_VOBS: return "DVD_READ_MENU_VOBS"; break;
case DVD_READ_TITLE_VOBS: return "DVD_READ_TITLE_VOBS"; break;
}
return "UNKNOWN";
}
static void
dvdnavsrc_print_event (DVDNavSrc *src, guint8 *data, int event, int len)
{
g_return_if_fail (src != NULL);
g_return_if_fail (GST_IS_DVDNAVSRC (src));
fprintf (stderr, "dvdnavsrc (%p): event: %s\n", src, dvdnav_get_event_name(event));
switch (event) {
case DVDNAV_BLOCK_OK:
break;
case DVDNAV_NOP:
break;
case DVDNAV_STILL_FRAME:
{
dvdnav_still_event_t *event = (dvdnav_still_event_t *)data;
fprintf (stderr, " still frame: %d seconds\n", event->length);
}
break;
case DVDNAV_SPU_STREAM_CHANGE:
{
dvdnav_spu_stream_change_event_t * event = (dvdnav_spu_stream_change_event_t *)data;
fprintf (stderr, " physical_wide: %d\n", event->physical_wide);
fprintf (stderr, " physical_letterbox: %d\n", event->physical_letterbox);
fprintf (stderr, " physical_pan_scan: %d\n", event->physical_pan_scan);
fprintf (stderr, " logical: %d\n", event->logical);
}
break;
case DVDNAV_AUDIO_STREAM_CHANGE:
{
dvdnav_audio_stream_change_event_t * event = (dvdnav_audio_stream_change_event_t *)data;
fprintf (stderr, " physical: %d\n", event->physical);
fprintf (stderr, " logical: %d\n", event->logical);
}
break;
case DVDNAV_VTS_CHANGE:
{
dvdnav_vts_change_event_t *event = (dvdnav_vts_change_event_t *)data;
fprintf (stderr, " old_vtsN: %d\n", event->old_vtsN);
fprintf (stderr, " old_domain: %s\n", dvdnav_get_read_domain_name(event->old_domain));
fprintf (stderr, " new_vtsN: %d\n", event->new_vtsN);
fprintf (stderr, " new_domain: %s\n", dvdnav_get_read_domain_name(event->new_domain));
}
break;
case DVDNAV_CELL_CHANGE:
{
/*dvdnav_cell_change_event_t *event = (dvdnav_cell_change_event_t *)data;*/
/*fprintf (stderr, " old_cell: %p\n", event->old_cell);*/
/*fprintf (stderr, " new_cell: %p\n", event->new_cell);*/
}
break;
case DVDNAV_NAV_PACKET:
{
/*
dvdnav_nav_packet_event_t *event = (dvdnav_nav_packet_event_t *)data;
pci_t *pci;
dsi_t *dsi;
pci = event->pci;
dsi = event->dsi;
pci = dvdnav_get_current_nav_pci(src->dvdnav);
dsi = dvdnav_get_current_nav_dsi(src->dvdnav);
fprintf (stderr, " pci: %p\n", event->pci);
fprintf (stderr, " dsi: %p\n", event->dsi);
navPrint_PCI(pci);
navPrint_DSI(dsi);
*/
}
break;
case DVDNAV_STOP:
break;
case DVDNAV_HIGHLIGHT:
{
dvdnav_highlight_event_t *event = (dvdnav_highlight_event_t *)data;
fprintf (stderr, " display: %s\n",
event->display == 0 ? "hide" : (event->display == 1 ? "show" : "unknown")
);
if (event->display == 1) {
fprintf (stderr, " palette: %08x\n", event->palette);
fprintf (stderr, " coords (%u, %u) - (%u, %u)\n", event->sx, event->sy, event->ex, event->ey);
fprintf (stderr, " pts: %u\n", event->pts);
fprintf (stderr, " button: %u\n", event->buttonN);
}
}
break;
case DVDNAV_SPU_CLUT_CHANGE:
break;
case DVDNAV_HOP_CHANNEL:
break;
case DVDNAV_WAIT:
break;
default:
fprintf (stderr, " event id: %d\n", event);
break;
}
}
static GstData *
dvdnavsrc_get (GstPad *pad)
{
DVDNavSrc *src;
int event, len;
GstBuffer *buf;
guint8 *data;
gboolean have_buf;
g_return_val_if_fail (pad != NULL, NULL);
g_return_val_if_fail (GST_IS_PAD (pad), NULL);
src = DVDNAVSRC (gst_pad_get_parent (pad));
g_return_val_if_fail (dvdnavsrc_is_open (src), NULL);
if (src->did_seek) {
GstEvent *event;
src->did_seek = FALSE;
GST_DEBUG ("dvdnavsrc sending discont");
event = gst_event_new_discontinuous (FALSE, 0);
src->need_flush = FALSE;
return GST_DATA (event);
}
if (src->need_flush) {
src->need_flush = FALSE;
GST_DEBUG ("dvdnavsrc sending flush");
return GST_DATA (gst_event_new_flush());
}
/* loop processing blocks until data is pushed */
have_buf = FALSE;
while (!have_buf) {
buf = gst_buffer_new_and_alloc (DVD_VIDEO_LB_LEN);
if (!buf) {
GST_ELEMENT_ERROR (src, CORE, TOO_LAZY, (NULL), ("Failed to create a new GstBuffer"));
return NULL;
}
data = GST_BUFFER_DATA(buf);
if (dvdnav_get_next_block (src->dvdnav, data, &event, &len) !=
DVDNAV_STATUS_OK) {
GST_ELEMENT_ERROR (src, STREAM, DECODE, (NULL),
("dvdnav_get_next_block error: %s\n", dvdnav_err_to_string(src->dvdnav)));
return NULL;
}
switch (event) {
case DVDNAV_NOP:
break;
case DVDNAV_BLOCK_OK:
g_return_val_if_fail (GST_BUFFER_DATA(buf) != NULL, NULL);
g_return_val_if_fail (GST_BUFFER_SIZE(buf) == DVD_VIDEO_LB_LEN, NULL);
have_buf = TRUE;
break;
case DVDNAV_STILL_FRAME:
/* FIXME: we should pause for event->length seconds before
* dvdnav_still_skip */
dvdnavsrc_print_event (src, data, event, len);
if (dvdnav_still_skip (src->dvdnav) != DVDNAV_STATUS_OK) {
GST_ELEMENT_ERROR (src, STREAM, TOO_LAZY, (NULL), ("dvdnav_still_skip error: %s\n",
dvdnav_err_to_string(src->dvdnav)));
/* FIXME: close the stream??? */
}
break;
case DVDNAV_STOP:
GST_DEBUG ("dvdnavsrc sending eos");
gst_element_set_eos (GST_ELEMENT (src));
dvdnavsrc_close(src);
buf = GST_BUFFER (gst_event_new (GST_EVENT_EOS));
have_buf = TRUE;
break;
case DVDNAV_CELL_CHANGE:
dvdnavsrc_update_streaminfo (src);
break;
case DVDNAV_NAV_PACKET:
dvdnavsrc_update_buttoninfo (src);
break;
case DVDNAV_WAIT:
/* FIXME: supposed to make sure all the data has made
* it to the sinks before skipping the wait
*/
dvdnavsrc_print_event (src, data, event, len);
dvdnav_wait_skip(src->dvdnav);
break;
case DVDNAV_HOP_CHANNEL:
/* Indicates a time discontinuity, and the downstream should
* flush
*/
dvdnavsrc_print_event (src, data, event, len);
buf = GST_BUFFER (gst_event_new (GST_EVENT_DISCONTINUOUS));
have_buf = TRUE;
break;
case DVDNAV_HIGHLIGHT:
dvdnavsrc_print_event (src, data, event, len);
break;
/* SPU_STREAM_CHANGE provides MPEG stream numbers for different
* formats of the video, eg letterbox/pan&scan
*/
case DVDNAV_SPU_STREAM_CHANGE:
/* AUDIO_STREAM_CHANGE indicates that the user selected an alternate
* audio stream (from a menu)
*/
case DVDNAV_AUDIO_STREAM_CHANGE:
/* VTS_CHANGE Indicates a change in VTS (Video Title Set) */
case DVDNAV_VTS_CHANGE:
case DVDNAV_SPU_CLUT_CHANGE:
default:
dvdnavsrc_print_event (src, data, event, len);
break;
}
}
return GST_DATA(buf);
}
/* open the file, necessary to go to RUNNING state */
static gboolean
dvdnavsrc_open (DVDNavSrc *src)
{
g_return_val_if_fail (src != NULL, FALSE);
g_return_val_if_fail (GST_IS_DVDNAVSRC(src), FALSE);
g_return_val_if_fail (!dvdnavsrc_is_open (src), FALSE);
g_return_val_if_fail (src->location != NULL, FALSE);
if (dvdnav_open (&src->dvdnav, (char*)src->location) != DVDNAV_STATUS_OK) {
fprintf( stderr, "dvdnav_open error: %s location: %s\n", dvdnav_err_to_string(src->dvdnav), src->location);
return FALSE;
}
GST_FLAG_SET (src, DVDNAVSRC_OPEN);
/* Read the first block before seeking to force a libdvdnav internal
* call to vm_start, otherwise it ignores our seek position.
* This happens because vm_start sets the domain to the first-play (FP)
* domain, overriding any other title that has been set.
* Track/chapter setting used to work, but libdvdnav has delayed the call
* to vm_start from _open, to _get_block.
* FIXME: But, doing it this way has problems too, as there is no way to
* get back to the FP domain.
* Maybe we could title==0 to mean FP domain, and not do this read & seek.
* If title subsequently gets set to 0, we would need to dvdnav_close
* followed by dvdnav_open to get back to the FP domain.
* Since we dont currently support seeking by setting the title/chapter/angle
* after opening, we'll forget about close/open for now, and just do the
* title==0 thing.
*/
if (src->title > 0) {
unsigned char buf[2048];
int event, buflen = sizeof(buf);
fprintf(stderr, "+XXX\n");
if (dvdnav_get_next_block(src->dvdnav, buf, &event, &buflen) != DVDNAV_STATUS_OK) {
fprintf(stderr, "pre seek dvdnav_get_next_block error: %s\n", dvdnav_err_to_string(src->dvdnav));
return FALSE;
}
dvdnavsrc_print_event (src, buf, event, buflen);
/*
while (dvdnav_get_next_block(src->dvdnav, buf, &event, &buflen) == DVDNAV_STATUS_OK) {
if (event != DVDNAV_BLOCK_OK)
dvdnavsrc_print_event (src, buf, event, buflen);
}
*/
fprintf(stderr, "pre seek dvdnav_get_next_block error: %s\n", dvdnav_err_to_string(src->dvdnav));
fprintf(stderr, "-XXX\n");
if (!dvdnavsrc_tca_seek(src,
src->title,
src->chapter,
src->angle))
return FALSE;
}
return TRUE;
}
/* close the file */
static gboolean
dvdnavsrc_close (DVDNavSrc *src)
{
g_return_val_if_fail (src != NULL, FALSE);
g_return_val_if_fail (GST_IS_DVDNAVSRC(src), FALSE);
g_return_val_if_fail (dvdnavsrc_is_open (src), FALSE);
g_return_val_if_fail (src->dvdnav != NULL, FALSE);
if (dvdnav_close (src->dvdnav) != DVDNAV_STATUS_OK) {
fprintf( stderr, "dvdnav_close error: %s\n",
dvdnav_err_to_string (src->dvdnav));
return FALSE;
}
GST_FLAG_UNSET (src, DVDNAVSRC_OPEN);
return TRUE;
}
static GstElementStateReturn
dvdnavsrc_change_state (GstElement *element)
{
DVDNavSrc *src;
g_return_val_if_fail (GST_IS_DVDNAVSRC (element), GST_STATE_FAILURE);
src = DVDNAVSRC (element);
switch (GST_STATE_TRANSITION (element)) {
case GST_STATE_NULL_TO_READY:
break;
case GST_STATE_READY_TO_PAUSED:
if (!dvdnavsrc_is_open (src)) {
if (!dvdnavsrc_open (src)) {
return GST_STATE_FAILURE;
}
}
src->streaminfo = NULL;
break;
case GST_STATE_PAUSED_TO_PLAYING:
break;
case GST_STATE_PLAYING_TO_PAUSED:
break;
case GST_STATE_PAUSED_TO_READY:
if (dvdnavsrc_is_open (src)) {
if (!dvdnavsrc_close (src)) {
return GST_STATE_FAILURE;
}
}
break;
case GST_STATE_READY_TO_NULL:
break;
}
/* if we haven't failed already, give the parent class a chance to ;-) */
if (GST_ELEMENT_CLASS (parent_class)->change_state)
return GST_ELEMENT_CLASS (parent_class)->change_state (element);
return GST_STATE_SUCCESS;
}
static const GstEventMask *
dvdnavsrc_get_event_mask (GstPad *pad)
{
static const GstEventMask masks[] = {
{GST_EVENT_SEEK, GST_SEEK_METHOD_SET |
GST_SEEK_METHOD_CUR |
GST_SEEK_METHOD_END |
GST_SEEK_FLAG_FLUSH },
/*
{GST_EVENT_SEEK_SEGMENT, GST_SEEK_METHOD_SET |
GST_SEEK_METHOD_CUR |
GST_SEEK_METHOD_END |
GST_SEEK_FLAG_FLUSH },
*/
{GST_EVENT_NAVIGATION, GST_EVENT_FLAG_NONE },
{0,}
};
return masks;
}
static gboolean
dvdnav_handle_navigation_event (DVDNavSrc *src, GstEvent *event)
{
GstStructure *structure = event->event_data.structure.structure;
const char *event_type = gst_structure_get_string (structure, "event");
g_return_val_if_fail (event != NULL, FALSE);
if (strcmp (event_type, "key-press") == 0)
{
const char *key = gst_structure_get_string(structure, "key");
g_assert (key != NULL);
g_print ("dvdnavsrc got a keypress: %s\n", key);
}
else if (strcmp (event_type, "mouse-move") == 0)
{
double x, y;
gst_structure_get_double(structure, "pointer_x", &x);
gst_structure_get_double(structure, "pointer_y", &y);
dvdnavsrc_pointer_select (src, (int) x, (int) y);
}
else if (strcmp (event_type, "mouse-button-release") == 0)
{
double x, y;
gst_structure_get_double(structure, "pointer_x", &x);
gst_structure_get_double(structure, "pointer_y", &y);
dvdnavsrc_pointer_activate (src, (int) x, (int) y);
}
return TRUE;
}
static gboolean
dvdnavsrc_event (GstPad *pad, GstEvent *event)
{
DVDNavSrc *src;
gboolean res = TRUE;
src = DVDNAVSRC (gst_pad_get_parent (pad));
if (!GST_FLAG_IS_SET (src, DVDNAVSRC_OPEN))
goto error;
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_SEEK:
{
gint64 offset;
gint format;
int titles, title, new_title;
int parts, part, new_part;
int angles, angle, new_angle;
int origin;
format = GST_EVENT_SEEK_FORMAT (event);
offset = GST_EVENT_SEEK_OFFSET (event);
switch (format) {
default:
if (format == sector_format) {
switch (GST_EVENT_SEEK_METHOD (event)) {
case GST_SEEK_METHOD_SET:
origin = SEEK_SET;
break;
case GST_SEEK_METHOD_CUR:
origin = SEEK_CUR;
break;
case GST_SEEK_METHOD_END:
origin = SEEK_END;
break;
default:
goto error;
}
if (dvdnav_sector_search(src->dvdnav, offset, origin) !=
DVDNAV_STATUS_OK) {
goto error;
}
} else if (format == title_format) {
if (dvdnav_current_title_info(src->dvdnav, &title, &part) !=
DVDNAV_STATUS_OK) {
goto error;
}
switch (GST_EVENT_SEEK_METHOD (event)) {
case GST_SEEK_METHOD_SET:
new_title = offset;
break;
case GST_SEEK_METHOD_CUR:
new_title = title + offset;
break;
case GST_SEEK_METHOD_END:
if (dvdnav_get_number_of_titles(src->dvdnav, &titles) !=
DVDNAV_STATUS_OK) {
goto error;
}
new_title = titles + offset;
break;
default:
goto error;
}
if (dvdnav_title_play(src->dvdnav, new_title) !=
DVDNAV_STATUS_OK) {
goto error;
}
} else if (format == chapter_format) {
if (dvdnav_current_title_info(src->dvdnav, &title, &part) !=
DVDNAV_STATUS_OK) {
goto error;
}
switch (GST_EVENT_SEEK_METHOD (event)) {
case GST_SEEK_METHOD_SET:
new_part = offset;
break;
case GST_SEEK_METHOD_CUR:
new_part = part + offset;
break;
case GST_SEEK_METHOD_END:
if (dvdnav_get_number_of_titles(src->dvdnav, &parts) !=
DVDNAV_STATUS_OK) {
goto error;
}
new_part = parts + offset;
break;
default:
goto error;
}
/*if (dvdnav_part_search(src->dvdnav, new_part) !=*/
if (dvdnav_part_play(src->dvdnav, title, new_part) !=
DVDNAV_STATUS_OK) {
goto error;
}
} else if (format == angle_format) {
if (dvdnav_get_angle_info(src->dvdnav, &angle, &angles) !=
DVDNAV_STATUS_OK) {
goto error;
}
switch (GST_EVENT_SEEK_METHOD (event)) {
case GST_SEEK_METHOD_SET:
new_angle = offset;
break;
case GST_SEEK_METHOD_CUR:
new_angle = angle + offset;
break;
case GST_SEEK_METHOD_END:
new_angle = angles + offset;
break;
default:
goto error;
}
if (dvdnav_angle_change(src->dvdnav, new_angle) !=
DVDNAV_STATUS_OK) {
goto error;
}
} else {
goto error;
}
}
src->did_seek = TRUE;
src->need_flush = GST_EVENT_SEEK_FLAGS(event) & GST_SEEK_FLAG_FLUSH;
break;
}
case GST_EVENT_NAVIGATION:
res = dvdnav_handle_navigation_event (src, event);
case GST_EVENT_FLUSH:
src->need_flush = TRUE;
break;
default:
goto error;
}
if (FALSE) {
error:
res = FALSE;
}
gst_event_unref (event);
return res;
}
static const GstFormat *
dvdnavsrc_get_formats (GstPad *pad)
{
int i;
static GstFormat formats[] = {
/*
GST_FORMAT_TIME,
GST_FORMAT_BYTES,
GST_FORMAT_DEFAULT,
*/
0, /* filled later */
0, /* filled later */
0, /* filled later */
0, /* filled later */
0
};
static gboolean format_initialized = FALSE;
if (!format_initialized) {
for (i=0; formats[i] != 0; i++) {
}
formats[i++] = sector_format;
formats[i++] = title_format;
formats[i++] = chapter_format;
formats[i++] = angle_format;
format_initialized = TRUE;
}
return formats;
}
#if 0
static gboolean
dvdnavsrc_convert (GstPad *pad,
GstFormat src_format, gint64 src_value,
GstFormat *dest_format, gint64 *dest_value)
{
DVDNavSrc *src;
src = DVDNAVSRC (gst_pad_get_parent (pad));
if (!GST_FLAG_IS_SET (src, DVDNAVSRC_OPEN))
return FALSE;
switch (src_format) {
case GST_FORMAT_TIME:
switch (*dest_format) {
case GST_FORMAT_BYTES:
src_value <<= 2; /* 4 bytes per sample */
case GST_FORMAT_DEFAULT:
*dest_value = src_value * 44100 / GST_SECOND;
break;
default:
if (*dest_format == track_format || *dest_format == sector_format) {
gint sector = (src_value * 44100) / ((CD_FRAMESIZE_RAW >> 2) * GST_SECOND);
if (*dest_format == sector_format) {
*dest_value = sector;
}
else {
*dest_value = cdda_sector_gettrack (src->d, sector) - 1;
}
}
else
return FALSE;
break;
}
break;
case GST_FORMAT_BYTES:
src_value >>= 2;
case GST_FORMAT_DEFAULT:
switch (*dest_format) {
case GST_FORMAT_BYTES:
*dest_value = src_value * 4;
break;
case GST_FORMAT_TIME:
*dest_value = src_value * GST_SECOND / 44100;
break;
default:
if (*dest_format == track_format || *dest_format == sector_format) {
gint sector = src_value / (CD_FRAMESIZE_RAW >> 2);
if (*dest_format == track_format) {
*dest_value = cdda_sector_gettrack (src->d, sector) - 1;
}
else {
*dest_value = sector;
}
}
else
return FALSE;
break;
}
break;
default:
{
gint sector;
if (src_format == track_format) {
/* some sanity checks */
if (src_value < 0 || src_value > src->d->tracks)
return FALSE;
sector = cdda_track_firstsector (src->d, src_value + 1);
}
else if (src_format == sector_format) {
sector = src_value;
}
else
return FALSE;
switch (*dest_format) {
case GST_FORMAT_TIME:
*dest_value = ((CD_FRAMESIZE_RAW >> 2) * sector * GST_SECOND) / 44100;
break;
case GST_FORMAT_BYTES:
sector <<= 2;
case GST_FORMAT_DEFAULT:
*dest_value = (CD_FRAMESIZE_RAW >> 2) * sector;
break;
default:
if (*dest_format == sector_format) {
*dest_value = sector;
}
else if (*dest_format == track_format) {
/* if we go past the last sector, make sure to report the last track */
if (sector > src->last_sector)
*dest_value = cdda_sector_gettrack (src->d, src->last_sector);
else
*dest_value = cdda_sector_gettrack (src->d, sector) - 1;
}
else
return FALSE;
break;
}
break;
}
}
return TRUE;
}
#endif
static const GstQueryType*
dvdnavsrc_get_query_types (GstPad *pad)
{
static const GstQueryType src_query_types[] = {
GST_QUERY_TOTAL,
GST_QUERY_POSITION,
0
};
return src_query_types;
}
static gboolean
dvdnavsrc_query (GstPad *pad, GstQueryType type,
GstFormat *format, gint64 *value)
{
gboolean res = TRUE;
DVDNavSrc *src;
int titles, title;
int parts, part;
int angles, angle;
unsigned int pos, len;
src = DVDNAVSRC (gst_pad_get_parent (pad));
if (!GST_FLAG_IS_SET (src, DVDNAVSRC_OPEN))
return FALSE;
switch (type) {
case GST_QUERY_TOTAL:
if (*format == sector_format) {
if (dvdnav_get_position(src->dvdnav, &pos, &len) != DVDNAV_STATUS_OK) {
res = FALSE;
}
*value = len;
} else if (*format == title_format) {
if (dvdnav_get_number_of_titles(src->dvdnav, &titles) != DVDNAV_STATUS_OK) {
res = FALSE;
}
*value = titles;
} else if (*format == chapter_format) {
if (dvdnav_get_number_of_titles(src->dvdnav, &parts) != DVDNAV_STATUS_OK) {
res = FALSE;
}
*value = parts;
} else if (*format == angle_format) {
if (dvdnav_get_angle_info(src->dvdnav, &angle, &angles) != DVDNAV_STATUS_OK) {
res = FALSE;
}
*value = angles;
} else {
res = FALSE;
}
break;
case GST_QUERY_POSITION:
if (*format == sector_format) {
if (dvdnav_get_position(src->dvdnav, &pos, &len) != DVDNAV_STATUS_OK) {
res = FALSE;
}
*value = pos;
} else if (*format == title_format) {
if (dvdnav_current_title_info(src->dvdnav, &title, &part) != DVDNAV_STATUS_OK) {
res = FALSE;
}
*value = title;
} else if (*format == chapter_format) {
if (dvdnav_current_title_info(src->dvdnav, &title, &part) != DVDNAV_STATUS_OK) {
res = FALSE;
}
*value = part;
} else if (*format == angle_format) {
if (dvdnav_get_angle_info(src->dvdnav, &angle, &angles) != DVDNAV_STATUS_OK) {
res = FALSE;
}
*value = angle;
} else {
res = FALSE;
}
break;
default:
res = FALSE;
break;
}
return res;
}
static gboolean
plugin_init (GstPlugin *plugin)
{
if (!gst_element_register (plugin, "dvdnavsrc", GST_RANK_NONE, GST_TYPE_DVDNAVSRC))
return FALSE;
return TRUE;
}
GST_PLUGIN_DEFINE (
GST_VERSION_MAJOR,
GST_VERSION_MINOR,
"dvdnavsrc",
"Access a DVD with navigation features using libdvdnav",
plugin_init,
VERSION,
"GPL",
GST_PACKAGE,
GST_ORIGIN)
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