mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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23f496bebc
Original commit message from CVS: * configure.ac: rework similarly to other modules * ext/a52dec/gsta52dec.c: * ext/amrnb/amrnb.c: * ext/dvdnav/dvdnavsrc.c: * ext/dvdread/dvdreadsrc.c: * ext/lame/gstlame.c: * ext/mad/gstid3tag.c: * ext/mpeg2dec/gstmpeg2dec.c: * ext/sidplay/gstsiddec.cc: * gst/asfdemux/gstasf.c: * gst/dvdlpcmdec/gstdvdlpcmdec.c: * gst/dvdsub/gstdvdsubdec.c: * gst/iec958/ac3iec.c: * gst/mpegaudioparse/gstmpegaudioparse.c: * gst/mpegstream/gstmpegstream.c: * gst/realmedia/rmdemux.c: (plugin_init): use the correct defines
1340 lines
36 KiB
C
1340 lines
36 KiB
C
/* GStreamer
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* Copyright (C) 1999 Erik Walthinsen <omega@cse.ogi.edu>
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* Copyright (C) 2001 Billy Biggs <vektor@dumbterm.net>.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "_stdint.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include <errno.h>
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#include "dvdreadsrc.h"
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/* #include <gst/gst-i18n-plugin.h> */
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/* FIXME: remove once GETTEXT_PACKAGE etc. is set */
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#define _(s) s
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GST_DEBUG_CATEGORY_STATIC (gstgst_dvd_read_src_debug);
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#define GST_CAT_DEFAULT (gstgst_dvd_read_src_debug)
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static void gst_dvd_read_src_do_init (GType dvdreadsrc_type);
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enum
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{
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ARG_0,
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ARG_DEVICE,
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ARG_TITLE,
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ARG_CHAPTER,
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ARG_ANGLE
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};
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static GstElementDetails gst_dvd_read_src_details = {
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"DVD Source",
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"Source/File/DVD",
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"Access a DVD title/chapter/angle using libdvdread",
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"Erik Walthinsen <omega@cse.ogi.edu>",
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};
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static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("video/mpeg, mpegversion=2, systemstream=(boolean)true"));
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static GstFormat title_format;
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static GstFormat angle_format;
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static GstFormat sector_format;
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static GstFormat chapter_format;
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static gboolean gst_dvd_read_src_start (GstBaseSrc * basesrc);
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static gboolean gst_dvd_read_src_stop (GstBaseSrc * basesrc);
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static GstFlowReturn gst_dvd_read_src_create (GstPushSrc * pushsrc,
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GstBuffer ** buf);
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static gboolean gst_dvd_read_src_src_query (GstBaseSrc * basesrc,
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GstQuery * query);
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static gboolean gst_dvd_read_src_src_event (GstBaseSrc * basesrc,
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GstEvent * event);
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static gboolean gst_dvd_read_src_goto_title (GstDvdReadSrc * src, gint title,
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gint angle);
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static gboolean gst_dvd_read_src_goto_chapter (GstDvdReadSrc * src,
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gint chapter);
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static gboolean gst_dvd_read_src_goto_sector (GstDvdReadSrc * src, gint angle);
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static void gst_dvd_read_src_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec);
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static void gst_dvd_read_src_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec);
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static GstEvent *gst_dvd_read_src_make_clut_change_event (GstDvdReadSrc * src,
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const guint * clut);
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static gboolean gst_dvd_read_src_get_size (GstDvdReadSrc * src, gint64 * size);
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GST_BOILERPLATE_FULL (GstDvdReadSrc, gst_dvd_read_src, GstPushSrc,
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GST_TYPE_PUSH_SRC, gst_dvd_read_src_do_init)
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static void gst_dvd_read_src_base_init (gpointer g_class)
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{
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GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&srctemplate));
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gst_element_class_set_details (element_class, &gst_dvd_read_src_details);
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}
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static void
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gst_dvd_read_src_finalize (GObject * object)
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{
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GstDvdReadSrc *src = GST_DVD_READ_SRC (object);
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g_free (src->location);
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g_free (src->last_uri);
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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static void
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gst_dvd_read_src_init (GstDvdReadSrc * src, GstDvdReadSrcClass * klass)
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{
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src->dvd = NULL;
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src->vts_file = NULL;
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src->vmg_file = NULL;
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src->dvd_title = NULL;
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src->location = g_strdup ("/dev/dvd");
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src->last_uri = NULL;
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src->new_seek = TRUE;
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src->new_cell = TRUE;
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src->change_cell = FALSE;
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src->uri_title = 1;
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src->uri_chapter = 1;
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src->uri_angle = 1;
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src->seek_pend = FALSE;
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src->flush_pend = FALSE;
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src->seek_pend_fmt = GST_FORMAT_UNDEFINED;
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src->title_lang_event_pending = NULL;
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src->pending_clut_event = NULL;
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gst_pad_use_fixed_caps (GST_BASE_SRC_PAD (src));
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gst_pad_set_caps (GST_BASE_SRC_PAD (src),
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gst_static_pad_template_get_caps (&srctemplate));
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}
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static void
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gst_dvd_read_src_class_init (GstDvdReadSrcClass * klass)
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{
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GstPushSrcClass *gstpushsrc_class = GST_PUSH_SRC_CLASS (klass);
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GstBaseSrcClass *gstbasesrc_class = GST_BASE_SRC_CLASS (klass);
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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gobject_class->finalize = gst_dvd_read_src_finalize;
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gobject_class->set_property = gst_dvd_read_src_set_property;
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gobject_class->get_property = gst_dvd_read_src_get_property;
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_DEVICE,
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g_param_spec_string ("device", "Device",
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"DVD device location", NULL, G_PARAM_READWRITE));
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_TITLE,
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g_param_spec_int ("title", "title", "title",
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1, 999, 1, G_PARAM_READWRITE));
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_CHAPTER,
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g_param_spec_int ("chapter", "chapter", "chapter",
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1, 999, 1, G_PARAM_READWRITE));
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_ANGLE,
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g_param_spec_int ("angle", "angle", "angle",
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1, 999, 1, G_PARAM_READWRITE));
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gstbasesrc_class->start = GST_DEBUG_FUNCPTR (gst_dvd_read_src_start);
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gstbasesrc_class->stop = GST_DEBUG_FUNCPTR (gst_dvd_read_src_stop);
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gstbasesrc_class->query = GST_DEBUG_FUNCPTR (gst_dvd_read_src_src_query);
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gstbasesrc_class->event = GST_DEBUG_FUNCPTR (gst_dvd_read_src_src_event);
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gstpushsrc_class->create = GST_DEBUG_FUNCPTR (gst_dvd_read_src_create);
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}
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static gboolean
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gst_dvd_read_src_start (GstBaseSrc * basesrc)
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{
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GstDvdReadSrc *src = GST_DVD_READ_SRC (basesrc);
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g_return_val_if_fail (src->location != NULL, FALSE);
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GST_DEBUG_OBJECT (src, "Opening DVD '%s'", src->location);
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src->dvd = DVDOpen (src->location);
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if (src->dvd == NULL) {
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GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ,
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(_("Could not open DVD")),
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("DVDOpen(%s) failed: %s", src->location, g_strerror (errno)));
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return FALSE;
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}
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/* Load the video manager to find out the information about the titles */
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GST_DEBUG_OBJECT (src, "Loading VMG info");
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src->vmg_file = ifoOpen (src->dvd, 0);
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if (!src->vmg_file) {
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GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ,
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(_("Could not open DVD")),
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("ifoOpen() failed: %s", g_strerror (errno)));
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return FALSE;
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}
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src->tt_srpt = src->vmg_file->tt_srpt;
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src->title = src->uri_title - 1;
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src->chapter = src->uri_chapter - 1;
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src->angle = src->uri_angle - 1;
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if (!gst_dvd_read_src_goto_title (src, src->title, src->angle)) {
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GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ,
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(_("Could not open DVD title %d"), src->uri_title), (NULL));
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return FALSE;
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}
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if (!gst_dvd_read_src_goto_chapter (src, src->chapter)) {
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GST_ERROR_OBJECT (src, "Failed to go to chapter %d of DVD title %d",
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src->uri_chapter, src->uri_title);
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}
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src->new_seek = FALSE;
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src->change_cell = TRUE;
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return TRUE;
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}
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static gboolean
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gst_dvd_read_src_stop (GstBaseSrc * basesrc)
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{
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GstDvdReadSrc *src = GST_DVD_READ_SRC (basesrc);
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if (src->vts_file) {
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ifoClose (src->vts_file);
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src->vts_file = NULL;
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}
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if (src->vmg_file) {
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ifoClose (src->vmg_file);
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src->vmg_file = NULL;
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}
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if (src->dvd_title) {
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DVDCloseFile (src->dvd_title);
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src->dvd_title = NULL;
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}
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if (src->dvd) {
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DVDClose (src->dvd);
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src->dvd = NULL;
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}
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src->new_cell = TRUE;
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src->new_seek = TRUE;
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src->change_cell = FALSE;
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src->chapter = 0;
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src->title = 0;
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src->flush_pend = FALSE;
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src->seek_pend = FALSE;
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src->seek_pend_fmt = GST_FORMAT_UNDEFINED;
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if (src->title_lang_event_pending) {
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gst_event_unref (src->title_lang_event_pending);
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src->title_lang_event_pending = NULL;
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}
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if (src->pending_clut_event) {
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gst_event_unref (src->pending_clut_event);
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src->pending_clut_event = NULL;
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}
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GST_LOG_OBJECT (src, "closed DVD");
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return TRUE;
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}
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static void
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cur_title_get_chapter_pgc (GstDvdReadSrc * src, gint chapter, gint * p_pgn,
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gint * p_pgc_id, pgc_t ** p_pgc)
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{
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pgc_t *pgc;
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gint pgn, pgc_id;
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g_assert (chapter >= 0 && chapter < src->num_chapters);
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pgc_id = src->vts_ptt_srpt->title[src->ttn - 1].ptt[chapter].pgcn;
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pgn = src->vts_ptt_srpt->title[src->ttn - 1].ptt[chapter].pgn;
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pgc = src->vts_file->vts_pgcit->pgci_srp[pgc_id - 1].pgc;
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*p_pgn = pgn;
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*p_pgc_id = pgc_id;
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*p_pgc = pgc;
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}
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static void
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cur_title_get_chapter_bounds (GstDvdReadSrc * src, gint chapter,
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gint * p_first_cell, gint * p_last_cell)
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{
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pgc_t *pgc;
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gint pgn, pgc_id, pgn_next_ch;
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g_assert (chapter >= 0 && chapter < src->num_chapters);
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cur_title_get_chapter_pgc (src, chapter, &pgn, &pgc_id, &pgc);
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*p_first_cell = pgc->program_map[pgn - 1] - 1;
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if (chapter == (src->num_chapters - 1)) {
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*p_last_cell = pgc->nr_of_cells;
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} else {
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pgn_next_ch = src->vts_ptt_srpt->title[src->ttn - 1].ptt[chapter + 1].pgn;
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*p_last_cell = pgc->program_map[pgn_next_ch - 1] - 1;
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}
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}
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static gboolean
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gst_dvd_read_src_goto_chapter (GstDvdReadSrc * src, gint chapter)
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{
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gint i;
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/* make sure the chapter number is valid for this title */
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if (chapter < 0 || chapter >= src->num_chapters) {
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GST_WARNING_OBJECT (src, "invalid chapter %d (only %d available)",
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chapter, src->num_chapters);
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chapter = CLAMP (chapter, 0, src->num_chapters - 1);
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}
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/* determine which program chain we want to watch. This is
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* based on the chapter number */
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cur_title_get_chapter_pgc (src, chapter, &src->pgn, &src->pgc_id,
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&src->cur_pgc);
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cur_title_get_chapter_bounds (src, chapter, &src->start_cell,
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&src->last_cell);
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GST_LOG_OBJECT (src, "Opened chapter %d - cell %d-%d", chapter,
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src->start_cell, src->last_cell);
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/* retrieve position */
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src->cur_pack = 0;
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for (i = 0; i < chapter; i++) {
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gint c1, c2;
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cur_title_get_chapter_bounds (src, i, &c1, &c2);
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while (c1 < c2) {
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src->cur_pack +=
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src->cur_pgc->cell_playback[c1].last_sector -
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src->cur_pgc->cell_playback[c1].first_sector;
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++c1;
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}
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}
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/* prepare reading for new cell */
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src->new_cell = TRUE;
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src->next_cell = src->start_cell;
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src->chapter = chapter;
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if (src->pending_clut_event)
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gst_event_unref (src->pending_clut_event);
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src->pending_clut_event =
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gst_dvd_read_src_make_clut_change_event (src, src->cur_pgc->palette);
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return TRUE;
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}
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static gboolean
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gst_dvd_read_src_goto_title (GstDvdReadSrc * src, gint title, gint angle)
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{
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GstStructure *s;
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gchar lang_code[3] = { '\0', '\0', '\0' }, *t;
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gint title_set_nr;
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gint num_titles;
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gint num_angles;
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gint i;
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/* make sure our title number is valid */
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num_titles = src->tt_srpt->nr_of_srpts;
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GST_INFO_OBJECT (src, "There are %d titles on this DVD", num_titles);
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if (title < 0 || title >= num_titles) {
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GST_WARNING_OBJECT (src, "Invalid title %d (only %d available)",
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title, num_titles);
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return FALSE;
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}
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src->num_chapters = src->tt_srpt->title[title].nr_of_ptts;
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GST_INFO_OBJECT (src, "Title %d has %d chapters", title, src->num_chapters);
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/* make sure the angle number is valid for this title */
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num_angles = src->tt_srpt->title[title].nr_of_angles;
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GST_LOG_OBJECT (src, "Title %d has %d angles", title, num_angles);
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if (angle < 0 || angle >= num_angles) {
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GST_WARNING_OBJECT (src, "Invalid angle %d (only %d available)",
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angle, num_angles);
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angle = CLAMP (angle, 0, num_angles - 1);
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}
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/* load the VTS information for the title set our title is in */
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title_set_nr = src->tt_srpt->title[title].title_set_nr;
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src->vts_file = ifoOpen (src->dvd, title_set_nr);
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if (src->vts_file == NULL) {
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GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ,
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(_("Could not open DVD title %d"), title_set_nr),
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("ifoOpen(%d) failed: %s", title_set_nr, g_strerror (errno)));
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return FALSE;
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}
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src->ttn = src->tt_srpt->title[title].vts_ttn;
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src->vts_ptt_srpt = src->vts_file->vts_ptt_srpt;
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/* we've got enough info, time to open the title set data */
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src->dvd_title = DVDOpenFile (src->dvd, title_set_nr, DVD_READ_TITLE_VOBS);
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if (src->dvd_title == NULL) {
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GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ,
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(_("Could not open DVD title %d"), title_set_nr),
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("Can't open title VOBS (VTS_%02d_1.VOB)", title_set_nr));
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return FALSE;
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}
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GST_INFO_OBJECT (src, "Opened title %d, angle %d", title, angle);
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src->title = title;
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src->angle = angle;
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/* build event */
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if (src->title_lang_event_pending) {
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gst_event_unref (src->title_lang_event_pending);
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src->title_lang_event_pending = NULL;
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}
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s = gst_structure_new ("application/x-gst-dvd",
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"event", G_TYPE_STRING, "dvd-lang-codes", NULL);
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/* audio */
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for (i = 0; i < src->vts_file->vtsi_mat->nr_of_vts_audio_streams; i++) {
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const audio_attr_t *a = &src->vts_file->vtsi_mat->vts_audio_attr[i];
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t = g_strdup_printf ("audio-%d-format", i);
|
|
gst_structure_set (s, t, G_TYPE_INT, (int) a->audio_format, NULL);
|
|
g_free (t);
|
|
|
|
if (a->lang_type) {
|
|
t = g_strdup_printf ("audio-%d-language", i);
|
|
lang_code[0] = (a->lang_code >> 8) & 0xff;
|
|
lang_code[1] = a->lang_code & 0xff;
|
|
gst_structure_set (s, t, G_TYPE_STRING, lang_code, NULL);
|
|
g_free (t);
|
|
} else {
|
|
lang_code[0] = '\0';
|
|
}
|
|
|
|
GST_INFO_OBJECT (src, "[%02d] Audio %02d: lang='%s', format=%d",
|
|
src->title, i, lang_code, (gint) a->audio_format);
|
|
}
|
|
|
|
/* subtitle */
|
|
for (i = 0; i < src->vts_file->vtsi_mat->nr_of_vts_subp_streams; i++) {
|
|
const subp_attr_t *u = &src->vts_file->vtsi_mat->vts_subp_attr[i];
|
|
|
|
if (u->type) {
|
|
t = g_strdup_printf ("subtitle-%d-language", i);
|
|
lang_code[0] = (u->lang_code >> 8) & 0xff;
|
|
lang_code[1] = u->lang_code & 0xff;
|
|
gst_structure_set (s, t, G_TYPE_STRING, lang_code, NULL);
|
|
g_free (t);
|
|
} else {
|
|
lang_code[0] = '\0';
|
|
}
|
|
|
|
GST_INFO_OBJECT (src, "[%02d] Subtitle %02d: lang='%s', format=%d",
|
|
src->title, i, lang_code);
|
|
}
|
|
|
|
src->title_lang_event_pending =
|
|
gst_event_new_custom (GST_EVENT_CUSTOM_DOWNSTREAM, s);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/* FIXME: double-check this function, compare against original */
|
|
static gint
|
|
gst_dvd_read_src_get_next_cell_for (GstDvdReadSrc * src, gint cell)
|
|
{
|
|
/* Check if we're entering an angle block. */
|
|
if (src->cur_pgc->cell_playback[cell].block_type != BLOCK_TYPE_ANGLE_BLOCK)
|
|
return (cell + 1);
|
|
|
|
while (src->cur_pgc->cell_playback[cell].block_mode == BLOCK_MODE_LAST_CELL)
|
|
++cell;
|
|
|
|
return cell + 1; /* really +1? (tpm) */
|
|
}
|
|
|
|
/* Returns true if the pack is a NAV pack. This check is clearly insufficient,
|
|
* and sometimes we incorrectly think that valid other packs are NAV packs. I
|
|
* need to make this stronger. */
|
|
static gboolean
|
|
gst_dvd_read_src_is_nav_pack (const guint8 * buffer)
|
|
{
|
|
return (buffer[41] == 0xbf && buffer[1027] == 0xbf);
|
|
}
|
|
|
|
typedef enum
|
|
{
|
|
GST_DVD_READ_OK = 0,
|
|
GST_DVD_READ_ERROR = -1,
|
|
GST_DVD_READ_EOS = -2,
|
|
GST_DVD_READ_AGAIN = -3
|
|
} GstDvdReadReturn;
|
|
|
|
static GstDvdReadReturn
|
|
gst_dvd_read_src_read (GstDvdReadSrc * src, gint angle, gint new_seek,
|
|
GstBuffer ** p_buf)
|
|
{
|
|
GstBuffer *buf;
|
|
guint8 oneblock[DVD_VIDEO_LB_LEN];
|
|
dsi_t dsi_pack;
|
|
guint next_vobu, next_ilvu_start, cur_output_size;
|
|
gint len;
|
|
|
|
/* playback by cell in this pgc, starting at the cell for our chapter */
|
|
if (new_seek)
|
|
src->cur_cell = src->start_cell;
|
|
|
|
again:
|
|
|
|
if (src->cur_cell >= src->last_cell) {
|
|
/* advance to next chapter */
|
|
if (src->chapter == (src->num_chapters - 1)) {
|
|
GST_INFO_OBJECT (src, "last chapter done - EOS");
|
|
return GST_DVD_READ_EOS;
|
|
}
|
|
|
|
GST_INFO_OBJECT (src, "end of chapter %d, switch to next", src->chapter);
|
|
|
|
++src->chapter;
|
|
gst_dvd_read_src_goto_chapter (src, src->chapter);
|
|
|
|
return GST_DVD_READ_AGAIN;
|
|
}
|
|
|
|
if (src->new_cell || new_seek) {
|
|
if (!new_seek) {
|
|
src->cur_cell = src->next_cell;
|
|
if (src->cur_cell >= src->last_cell) {
|
|
GST_LOG_OBJECT (src, "last cell in chapter");
|
|
goto again;
|
|
}
|
|
}
|
|
|
|
/* take angle into account */
|
|
if (src->cur_pgc->cell_playback[src->cur_cell].block_type
|
|
== BLOCK_TYPE_ANGLE_BLOCK)
|
|
src->cur_cell += angle;
|
|
|
|
/* calculate next cell */
|
|
src->next_cell = gst_dvd_read_src_get_next_cell_for (src, src->cur_cell);
|
|
|
|
/* we loop until we're out of this cell */
|
|
src->cur_pack = src->cur_pgc->cell_playback[src->cur_cell].first_sector;
|
|
src->new_cell = FALSE;
|
|
}
|
|
|
|
if (src->cur_pack >= src->cur_pgc->cell_playback[src->cur_cell].last_sector) {
|
|
src->new_cell = TRUE;
|
|
GST_LOG_OBJECT (src, "Beyond last sector, go to next cell");
|
|
return GST_DVD_READ_AGAIN;
|
|
}
|
|
|
|
/* read NAV packet */
|
|
nav_retry:
|
|
|
|
len = DVDReadBlocks (src->dvd_title, src->cur_pack, 1, oneblock);
|
|
if (len == 0) {
|
|
GST_ERROR_OBJECT (src, "Read failed for block %d", src->cur_pack);
|
|
return GST_DVD_READ_ERROR;
|
|
}
|
|
|
|
if (!gst_dvd_read_src_is_nav_pack (oneblock)) {
|
|
src->cur_pack++;
|
|
goto nav_retry;
|
|
}
|
|
|
|
/* parse the contained dsi packet */
|
|
navRead_DSI (&dsi_pack, &oneblock[DSI_START_BYTE]);
|
|
g_assert (src->cur_pack == dsi_pack.dsi_gi.nv_pck_lbn);
|
|
|
|
/* determine where we go next. These values are the ones we
|
|
* mostly care about */
|
|
next_ilvu_start = src->cur_pack + dsi_pack.sml_agli.data[angle].address;
|
|
cur_output_size = dsi_pack.dsi_gi.vobu_ea;
|
|
|
|
/* If we're not at the end of this cell, we can determine the next
|
|
* VOBU to display using the VOBU_SRI information section of the
|
|
* DSI. Using this value correctly follows the current angle,
|
|
* avoiding the doubled scenes in The Matrix, and makes our life
|
|
* really happy.
|
|
*
|
|
* Otherwise, we set our next address past the end of this cell to
|
|
* force the code above to go to the next cell in the program. */
|
|
if (dsi_pack.vobu_sri.next_vobu != SRI_END_OF_CELL) {
|
|
next_vobu = src->cur_pack + (dsi_pack.vobu_sri.next_vobu & 0x7fffffff);
|
|
} else {
|
|
next_vobu = src->cur_pack + cur_output_size + 1;
|
|
}
|
|
|
|
g_assert (cur_output_size < 1024);
|
|
++src->cur_pack;
|
|
|
|
/* create the buffer (TODO: use buffer pool?) */
|
|
buf = gst_buffer_new_and_alloc (cur_output_size * DVD_VIDEO_LB_LEN);
|
|
|
|
/* read in and output cursize packs */
|
|
len = DVDReadBlocks (src->dvd_title, src->cur_pack, cur_output_size,
|
|
GST_BUFFER_DATA (buf));
|
|
|
|
if (len != cur_output_size) {
|
|
GST_ERROR_OBJECT (src, "Read failed for %d blocks at %d",
|
|
cur_output_size, src->cur_pack);
|
|
gst_buffer_unref (buf);
|
|
return GST_DVD_READ_ERROR;
|
|
}
|
|
|
|
GST_BUFFER_SIZE (buf) = cur_output_size * DVD_VIDEO_LB_LEN;
|
|
/* GST_BUFFER_OFFSET (buf) = priv->cur_pack * DVD_VIDEO_LB_LEN; */
|
|
|
|
gst_buffer_set_caps (buf, GST_PAD_CAPS (GST_BASE_SRC_PAD (src)));
|
|
|
|
*p_buf = buf;
|
|
|
|
src->cur_pack = next_vobu;
|
|
|
|
GST_LOG_OBJECT (src, "Read %u sectors", cur_output_size);
|
|
return GST_DVD_READ_OK;
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_dvd_read_src_create (GstPushSrc * pushsrc, GstBuffer ** p_buf)
|
|
{
|
|
GstDvdReadSrc *src = GST_DVD_READ_SRC (pushsrc);
|
|
GstPad *srcpad;
|
|
gint res;
|
|
|
|
g_return_val_if_fail (src->dvd != NULL, GST_FLOW_ERROR);
|
|
|
|
srcpad = GST_BASE_SRC (src)->srcpad;
|
|
|
|
/* handle events, if any */
|
|
if (src->seek_pend) {
|
|
if (src->flush_pend) {
|
|
gst_pad_push_event (srcpad, gst_event_new_flush_start ());
|
|
gst_pad_push_event (srcpad, gst_event_new_flush_stop ());
|
|
src->flush_pend = FALSE;
|
|
}
|
|
|
|
if (src->seek_pend_fmt != GST_FORMAT_UNDEFINED) {
|
|
if (src->seek_pend_fmt == title_format) {
|
|
gst_dvd_read_src_goto_title (src, src->title, src->angle);
|
|
}
|
|
gst_dvd_read_src_goto_chapter (src, src->chapter);
|
|
|
|
src->seek_pend_fmt = GST_FORMAT_UNDEFINED;
|
|
} else {
|
|
if (!gst_dvd_read_src_goto_sector (src, src->angle)) {
|
|
GST_DEBUG_OBJECT (src, "seek to sector failed, going EOS");
|
|
gst_pad_push_event (srcpad, gst_event_new_eos ());
|
|
return GST_FLOW_UNEXPECTED;
|
|
}
|
|
}
|
|
|
|
gst_pad_push_event (srcpad,
|
|
gst_event_new_new_segment (FALSE, 1.0, GST_FORMAT_BYTES,
|
|
src->cur_pack * DVD_VIDEO_LB_LEN, -1, 0));
|
|
|
|
src->seek_pend = FALSE;
|
|
}
|
|
|
|
if (src->new_seek) {
|
|
gst_dvd_read_src_goto_title (src, src->title, src->angle);
|
|
gst_dvd_read_src_goto_chapter (src, src->chapter);
|
|
|
|
src->new_seek = FALSE;
|
|
src->change_cell = TRUE;
|
|
}
|
|
|
|
if (src->title_lang_event_pending) {
|
|
gst_pad_push_event (srcpad, src->title_lang_event_pending);
|
|
src->title_lang_event_pending = NULL;
|
|
}
|
|
|
|
if (src->pending_clut_event) {
|
|
gst_pad_push_event (srcpad, src->pending_clut_event);
|
|
src->pending_clut_event = NULL;
|
|
}
|
|
|
|
/* read it in */
|
|
do {
|
|
res = gst_dvd_read_src_read (src, src->angle, src->change_cell, p_buf);
|
|
} while (res == GST_DVD_READ_AGAIN);
|
|
|
|
switch (res) {
|
|
case GST_DVD_READ_ERROR:{
|
|
GST_ELEMENT_ERROR (src, RESOURCE, READ, (NULL), (NULL));
|
|
return GST_FLOW_ERROR;
|
|
}
|
|
case GST_DVD_READ_EOS:{
|
|
GST_INFO_OBJECT (src, "Reached EOS");
|
|
gst_pad_push_event (GST_BASE_SRC (src)->srcpad, gst_event_new_eos ());
|
|
return GST_FLOW_UNEXPECTED;
|
|
}
|
|
case GST_DVD_READ_OK:{
|
|
src->change_cell = FALSE;
|
|
return GST_FLOW_OK;
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
|
|
g_return_val_if_reached (GST_FLOW_UNEXPECTED);
|
|
}
|
|
|
|
static void
|
|
gst_dvd_read_src_set_property (GObject * object, guint prop_id,
|
|
const GValue * value, GParamSpec * pspec)
|
|
{
|
|
GstDvdReadSrc *src = GST_DVD_READ_SRC (object);
|
|
gboolean started;
|
|
|
|
GST_OBJECT_LOCK (src);
|
|
started = GST_OBJECT_FLAG_IS_SET (src, GST_BASE_SRC_STARTED);
|
|
|
|
switch (prop_id) {
|
|
case ARG_DEVICE:{
|
|
if (started) {
|
|
g_warning ("%s: property '%s' needs to be set before the device is "
|
|
"opened", GST_ELEMENT_NAME (src), pspec->name);
|
|
break;;
|
|
}
|
|
|
|
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");
|
|
} else {
|
|
src->location = g_strdup (g_value_get_string (value));
|
|
}
|
|
break;
|
|
}
|
|
case ARG_TITLE:
|
|
src->uri_title = g_value_get_int (value);
|
|
if (started) {
|
|
src->title = src->uri_title - 1;
|
|
src->new_seek = TRUE;
|
|
}
|
|
break;
|
|
case ARG_CHAPTER:
|
|
src->uri_chapter = g_value_get_int (value);
|
|
if (started) {
|
|
src->chapter = src->uri_chapter - 1;
|
|
src->new_seek = TRUE;
|
|
}
|
|
break;
|
|
case ARG_ANGLE:
|
|
src->uri_angle = g_value_get_int (value);
|
|
if (started) {
|
|
src->angle = src->uri_angle - 1;
|
|
}
|
|
break;
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
break;
|
|
}
|
|
|
|
GST_OBJECT_UNLOCK (src);
|
|
}
|
|
|
|
static void
|
|
gst_dvd_read_src_get_property (GObject * object, guint prop_id, GValue * value,
|
|
GParamSpec * pspec)
|
|
{
|
|
GstDvdReadSrc *src = GST_DVD_READ_SRC (object);
|
|
|
|
GST_OBJECT_LOCK (src);
|
|
|
|
switch (prop_id) {
|
|
case ARG_DEVICE:
|
|
g_value_set_string (value, src->location);
|
|
break;
|
|
case ARG_TITLE:
|
|
g_value_set_int (value, src->uri_title);
|
|
break;
|
|
case ARG_CHAPTER:
|
|
g_value_set_int (value, src->uri_chapter);
|
|
break;
|
|
case ARG_ANGLE:
|
|
g_value_set_int (value, src->uri_angle);
|
|
break;
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
break;
|
|
}
|
|
|
|
GST_OBJECT_UNLOCK (src);
|
|
}
|
|
|
|
static gboolean
|
|
gst_dvd_read_src_get_size (GstDvdReadSrc * src, gint64 * size)
|
|
{
|
|
gboolean ret = FALSE;
|
|
|
|
if (src->dvd_title) {
|
|
gsize blocks;
|
|
|
|
blocks = DVDFileSize (src->dvd_title);
|
|
if (blocks >= 0) {
|
|
*size = (gint64) blocks *DVD_VIDEO_LB_LEN;
|
|
|
|
ret = TRUE;
|
|
} else {
|
|
GST_WARNING_OBJECT (src, "DVDFileSize(%p) failed!", src->dvd_title);
|
|
}
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
/*** Querying and seeking ***/
|
|
|
|
static gboolean
|
|
gst_dvd_read_src_do_seek (GstDvdReadSrc * src, GstEvent * event)
|
|
{
|
|
GstSeekFlags flags;
|
|
GstSeekType cur_type, end_type;
|
|
gint64 new_off, total, cur;
|
|
GstFormat format;
|
|
GstPad *srcpad;
|
|
gboolean query_ok;
|
|
gdouble rate;
|
|
|
|
srcpad = GST_BASE_SRC (src)->srcpad;
|
|
|
|
gst_event_parse_seek (event, &rate, &format, &flags, &cur_type, &new_off,
|
|
&end_type, NULL);
|
|
|
|
if (end_type != GST_SEEK_TYPE_NONE) {
|
|
GST_WARNING_OBJECT (src, "End seek type not supported, will be ignored");
|
|
}
|
|
|
|
switch (format) {
|
|
case GST_FORMAT_BYTES:
|
|
break;
|
|
default:{
|
|
if (format != chapter_format &&
|
|
format != sector_format &&
|
|
format != angle_format && format != title_format) {
|
|
GST_DEBUG_OBJECT (src, "Unsupported seek format %d (%s)", format,
|
|
gst_format_get_name (format));
|
|
return FALSE;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* get current offset and length */
|
|
if (format == GST_FORMAT_BYTES) {
|
|
GST_OBJECT_LOCK (src);
|
|
query_ok = gst_dvd_read_src_get_size (src, &total);
|
|
cur = (gint64) src->cur_pack * DVD_VIDEO_LB_LEN;
|
|
GST_OBJECT_UNLOCK (src);
|
|
} else {
|
|
query_ok = gst_pad_query_duration (srcpad, &format, &total)
|
|
&& gst_pad_query_position (srcpad, &format, &cur);
|
|
}
|
|
|
|
if (!query_ok) {
|
|
GST_DEBUG_OBJECT (src, "Failed to query duration/position");
|
|
return FALSE;
|
|
}
|
|
|
|
GST_DEBUG_OBJECT (src, "Current %s: %12" G_GINT64_FORMAT,
|
|
gst_format_get_name (format), cur);
|
|
GST_DEBUG_OBJECT (src, "Total %s: %12" G_GINT64_FORMAT,
|
|
gst_format_get_name (format), total);
|
|
|
|
/* get absolute */
|
|
switch (cur_type) {
|
|
case GST_SEEK_TYPE_SET:
|
|
/* no-op */
|
|
break;
|
|
case GST_SEEK_TYPE_CUR:
|
|
new_off += cur;
|
|
break;
|
|
case GST_SEEK_TYPE_END:
|
|
new_off = total - new_off;
|
|
break;
|
|
default:
|
|
GST_DEBUG_OBJECT (src, "Unsupported seek method");
|
|
return FALSE;
|
|
}
|
|
|
|
if (new_off < 0 || new_off >= total) {
|
|
GST_DEBUG_OBJECT (src, "Invalid seek position %" G_GINT64_FORMAT, new_off);
|
|
return FALSE;
|
|
}
|
|
|
|
if (cur == new_off) {
|
|
GST_DEBUG_OBJECT (src, "We're already at that position!");
|
|
return TRUE;
|
|
}
|
|
|
|
GST_LOG_OBJECT (src, "Seeking to %s: %12" G_GINT64_FORMAT,
|
|
gst_format_get_name (format), new_off);
|
|
|
|
GST_OBJECT_LOCK (src);
|
|
|
|
if (format == angle_format) {
|
|
src->angle = new_off;
|
|
goto done;
|
|
}
|
|
|
|
if (format == sector_format) {
|
|
src->cur_pack = new_off;
|
|
} else if (format == GST_FORMAT_BYTES) {
|
|
src->cur_pack = new_off / DVD_VIDEO_LB_LEN;
|
|
if ((src->cur_pack * DVD_VIDEO_LB_LEN) != new_off) {
|
|
GST_LOG_OBJECT (src, "rounded down offset %" G_GINT64_FORMAT " => %"
|
|
G_GINT64_FORMAT, new_off, (gint64) src->cur_pack * DVD_VIDEO_LB_LEN);
|
|
}
|
|
} else if (format == chapter_format) {
|
|
src->cur_pack = 0;
|
|
src->chapter = new_off;
|
|
src->seek_pend_fmt = format;
|
|
} else if (format == title_format) {
|
|
src->cur_pack = 0;
|
|
src->title = new_off;
|
|
src->chapter = 0;
|
|
src->seek_pend_fmt = format;
|
|
} else {
|
|
GST_OBJECT_UNLOCK (src);
|
|
g_return_val_if_reached (FALSE);
|
|
}
|
|
|
|
/* leave for events */
|
|
src->seek_pend = TRUE;
|
|
if ((flags & GST_SEEK_FLAG_FLUSH) != 0)
|
|
src->flush_pend = TRUE;
|
|
|
|
done:
|
|
|
|
GST_OBJECT_UNLOCK (src);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
gst_dvd_read_src_src_event (GstBaseSrc * basesrc, GstEvent * event)
|
|
{
|
|
GstDvdReadSrc *src = GST_DVD_READ_SRC (basesrc);
|
|
gboolean res;
|
|
|
|
GST_LOG_OBJECT (src, "handling %s event", GST_EVENT_TYPE_NAME (event));
|
|
|
|
switch (GST_EVENT_TYPE (event)) {
|
|
case GST_EVENT_SEEK:
|
|
res = gst_dvd_read_src_do_seek (src, event);
|
|
break;
|
|
default:
|
|
res = GST_BASE_SRC_CLASS (parent_class)->event (basesrc, event);
|
|
break;
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
static GstEvent *
|
|
gst_dvd_read_src_make_clut_change_event (GstDvdReadSrc * src,
|
|
const guint * clut)
|
|
{
|
|
GstStructure *structure;
|
|
gchar name[16];
|
|
gint i;
|
|
|
|
structure = gst_structure_new ("application/x-gst-dvd",
|
|
"event", G_TYPE_STRING, "dvd-spu-clut-change", NULL);
|
|
|
|
/* Create a separate field for each value in the table. */
|
|
for (i = 0; i < 16; i++) {
|
|
g_snprintf (name, sizeof (name), "clut%02d", i);
|
|
gst_structure_set (structure, name, G_TYPE_INT, (int) clut[i], NULL);
|
|
}
|
|
|
|
/* Create the DVD event and put the structure into it. */
|
|
return gst_event_new_custom (GST_EVENT_CUSTOM_DOWNSTREAM, structure);
|
|
}
|
|
|
|
static gint64
|
|
gst_dvd_read_src_convert_timecode (dvd_time_t * time)
|
|
{
|
|
gint64 ret_time;
|
|
const gint64 one_hour = 3600 * GST_SECOND;
|
|
const gint64 one_min = 60 * GST_SECOND;
|
|
|
|
g_return_val_if_fail ((time->hour >> 4) < 0xa
|
|
&& (time->hour & 0xf) < 0xa, -1);
|
|
g_return_val_if_fail ((time->minute >> 4) < 0x7
|
|
&& (time->minute & 0xf) < 0xa, -1);
|
|
g_return_val_if_fail ((time->second >> 4) < 0x7
|
|
&& (time->second & 0xf) < 0xa, -1);
|
|
|
|
ret_time = ((time->hour >> 4) * 10 + (time->hour & 0xf)) * one_hour;
|
|
ret_time += ((time->minute >> 4) * 10 + (time->minute & 0xf)) * one_min;
|
|
ret_time += ((time->second >> 4) * 10 + (time->second & 0xf)) * GST_SECOND;
|
|
|
|
return ret_time;
|
|
}
|
|
|
|
static gboolean
|
|
gst_dvd_read_src_do_duration_query (GstDvdReadSrc * src, GstQuery * query)
|
|
{
|
|
GstFormat format;
|
|
gint64 val;
|
|
|
|
gst_query_parse_duration (query, &format, NULL);
|
|
|
|
switch (format) {
|
|
case GST_FORMAT_TIME:{
|
|
if (src->cur_pgc == NULL)
|
|
return FALSE;
|
|
val = gst_dvd_read_src_convert_timecode (&src->cur_pgc->playback_time);
|
|
if (val < 0)
|
|
return FALSE;
|
|
break;
|
|
}
|
|
case GST_FORMAT_BYTES:{
|
|
if (!gst_dvd_read_src_get_size (src, &val))
|
|
return FALSE;
|
|
break;
|
|
}
|
|
default:{
|
|
if (format == sector_format) {
|
|
val = DVDFileSize (src->dvd_title);
|
|
} else if (format == title_format) {
|
|
val = src->tt_srpt->nr_of_srpts;
|
|
} else if (format == chapter_format) {
|
|
val = src->num_chapters;
|
|
} else if (format == angle_format) {
|
|
val = src->tt_srpt->title[src->title].nr_of_angles;
|
|
} else {
|
|
GST_DEBUG_OBJECT (src, "Don't know how to handle format %d (%s)",
|
|
format, gst_format_get_name (format));
|
|
return FALSE;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
GST_LOG_OBJECT (src, "duration = %" G_GINT64_FORMAT " %s", val,
|
|
gst_format_get_name (format));
|
|
|
|
gst_query_set_duration (query, format, val);
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
gst_dvd_read_src_do_position_query (GstDvdReadSrc * src, GstQuery * query)
|
|
{
|
|
GstFormat format;
|
|
gint64 val;
|
|
|
|
gst_query_parse_position (query, &format, NULL);
|
|
|
|
switch (format) {
|
|
case GST_FORMAT_BYTES:{
|
|
val = src->cur_pack * DVD_VIDEO_LB_LEN;
|
|
break;
|
|
}
|
|
default:{
|
|
if (format == sector_format) {
|
|
val = src->cur_pack;
|
|
} else if (format == title_format) {
|
|
val = src->title;
|
|
} else if (format == chapter_format) {
|
|
val = src->chapter;
|
|
} else if (format == angle_format) {
|
|
val = src->angle;
|
|
} else {
|
|
GST_DEBUG_OBJECT (src, "Don't know how to handle format %d (%s)",
|
|
format, gst_format_get_name (format));
|
|
return FALSE;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
GST_LOG_OBJECT (src, "position = %" G_GINT64_FORMAT " %s", val,
|
|
gst_format_get_name (format));
|
|
|
|
gst_query_set_position (query, format, val);
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
gst_dvd_read_src_src_query (GstBaseSrc * basesrc, GstQuery * query)
|
|
{
|
|
GstDvdReadSrc *src = GST_DVD_READ_SRC (basesrc);
|
|
gboolean started;
|
|
gboolean res = TRUE;
|
|
|
|
GST_LOG_OBJECT (src, "handling %s query",
|
|
gst_query_type_get_name (GST_QUERY_TYPE (query)));
|
|
|
|
GST_OBJECT_LOCK (src);
|
|
started = (GST_OBJECT_FLAG_IS_SET (src, GST_BASE_SRC_STARTED));
|
|
GST_OBJECT_UNLOCK (src);
|
|
|
|
if (!started) {
|
|
GST_DEBUG_OBJECT (src, "query failed: not started");
|
|
return FALSE;
|
|
}
|
|
|
|
switch (GST_QUERY_TYPE (query)) {
|
|
case GST_QUERY_DURATION:
|
|
GST_OBJECT_LOCK (src);
|
|
res = gst_dvd_read_src_do_duration_query (src, query);
|
|
GST_OBJECT_UNLOCK (src);
|
|
break;
|
|
case GST_QUERY_POSITION:
|
|
GST_OBJECT_LOCK (src);
|
|
res = gst_dvd_read_src_do_position_query (src, query);
|
|
GST_OBJECT_UNLOCK (src);
|
|
break;
|
|
default:
|
|
res = GST_BASE_SRC_CLASS (parent_class)->query (basesrc, query);
|
|
break;
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
static gboolean
|
|
gst_dvd_read_src_goto_sector (GstDvdReadSrc * src, int angle)
|
|
{
|
|
gint seek_to = src->cur_pack;
|
|
gint chapter, sectors, next, cur, i;
|
|
|
|
/* retrieve position */
|
|
src->cur_pack = 0;
|
|
for (i = 0; i < src->num_chapters; i++) {
|
|
gint c1, c2;
|
|
|
|
cur_title_get_chapter_bounds (src, i, &c1, &c2);
|
|
|
|
for (next = cur = c1; cur < c2;) {
|
|
if (next != cur) {
|
|
sectors =
|
|
src->cur_pgc->cell_playback[cur].last_sector -
|
|
src->cur_pgc->cell_playback[cur].first_sector;
|
|
if (src->cur_pack + sectors > seek_to) {
|
|
chapter = i;
|
|
goto done;
|
|
}
|
|
src->cur_pack += sectors;
|
|
}
|
|
cur = next;
|
|
if (src->cur_pgc->cell_playback[cur].block_type == BLOCK_TYPE_ANGLE_BLOCK)
|
|
cur += angle;
|
|
next = gst_dvd_read_src_get_next_cell_for (src, cur);
|
|
}
|
|
}
|
|
|
|
GST_DEBUG_OBJECT (src, "Seek to sector %u failed", seek_to);
|
|
return FALSE;
|
|
|
|
done:
|
|
/* so chapter $chapter and cell $cur contain our sector
|
|
* of interest. Let's go there! */
|
|
GST_INFO_OBJECT (src, "Seek succeeded, going to chapter %u, cell %u",
|
|
chapter, cur);
|
|
|
|
gst_dvd_read_src_goto_chapter (src, chapter);
|
|
src->cur_cell = cur;
|
|
src->next_cell = next;
|
|
src->new_cell = FALSE;
|
|
src->cur_pack = seek_to;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/*** URI interface ***/
|
|
|
|
static GstURIType
|
|
gst_dvd_read_src_uri_get_type (void)
|
|
{
|
|
return GST_URI_SRC;
|
|
}
|
|
|
|
static gchar **
|
|
gst_dvd_read_src_uri_get_protocols (void)
|
|
{
|
|
static gchar *protocols[] = { "dvd", NULL };
|
|
|
|
return protocols;
|
|
}
|
|
|
|
static const gchar *
|
|
gst_dvd_read_src_uri_get_uri (GstURIHandler * handler)
|
|
{
|
|
GstDvdReadSrc *src = GST_DVD_READ_SRC (handler);
|
|
|
|
GST_OBJECT_LOCK (src);
|
|
|
|
g_free (src->last_uri);
|
|
src->last_uri = g_strdup_printf ("dvd://%d,%d,%d", src->uri_title,
|
|
src->uri_chapter, src->uri_angle);
|
|
|
|
GST_OBJECT_UNLOCK (src);
|
|
|
|
return src->last_uri;
|
|
}
|
|
|
|
static gboolean
|
|
gst_dvd_read_src_uri_set_uri (GstURIHandler * handler, const gchar * uri)
|
|
{
|
|
GstDvdReadSrc *src = GST_DVD_READ_SRC (handler);
|
|
gboolean ret;
|
|
gchar *protocol;
|
|
|
|
protocol = gst_uri_get_protocol (uri);
|
|
ret = (protocol != NULL && g_str_equal (protocol, "dvd"));
|
|
g_free (protocol);
|
|
protocol = NULL;
|
|
|
|
if (!ret)
|
|
return ret;
|
|
|
|
/* parse out the new t/c/a and seek to them */
|
|
{
|
|
gchar *location = NULL;
|
|
gchar **strs;
|
|
gchar **strcur;
|
|
gint pos = 0;
|
|
|
|
location = gst_uri_get_location (uri);
|
|
|
|
if (!location)
|
|
return ret;
|
|
|
|
GST_OBJECT_LOCK (src);
|
|
|
|
src->uri_title = 1;
|
|
src->uri_chapter = 1;
|
|
src->uri_angle = 1;
|
|
|
|
strcur = strs = g_strsplit (location, ",", 0);
|
|
while (strcur && *strcur) {
|
|
gint val;
|
|
|
|
if (!sscanf (*strcur, "%d", &val))
|
|
break;
|
|
|
|
if (val <= 0) {
|
|
g_warning ("Invalid value %d in URI '%s'. Must be 1 or greater",
|
|
val, location);
|
|
break;
|
|
}
|
|
|
|
switch (pos) {
|
|
case 0:
|
|
src->uri_title = val;
|
|
break;
|
|
case 1:
|
|
src->uri_chapter = val;
|
|
break;
|
|
case 2:
|
|
src->uri_angle = val;
|
|
break;
|
|
}
|
|
|
|
strcur++;
|
|
pos++;
|
|
}
|
|
|
|
if (pos > 0 && GST_OBJECT_FLAG_IS_SET (src, GST_BASE_SRC_STARTED)) {
|
|
src->title = src->uri_title - 1;
|
|
src->chapter = src->uri_chapter - 1;
|
|
src->angle = src->uri_angle - 1;
|
|
src->new_seek = TRUE;
|
|
}
|
|
|
|
GST_OBJECT_UNLOCK (src);
|
|
|
|
g_strfreev (strs);
|
|
g_free (location);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void
|
|
gst_dvd_read_src_uri_handler_init (gpointer g_iface, gpointer iface_data)
|
|
{
|
|
GstURIHandlerInterface *iface = (GstURIHandlerInterface *) g_iface;
|
|
|
|
iface->get_type = gst_dvd_read_src_uri_get_type;
|
|
iface->get_protocols = gst_dvd_read_src_uri_get_protocols;
|
|
iface->get_uri = gst_dvd_read_src_uri_get_uri;
|
|
iface->set_uri = gst_dvd_read_src_uri_set_uri;
|
|
}
|
|
|
|
static void
|
|
gst_dvd_read_src_do_init (GType dvdreadsrc_type)
|
|
{
|
|
static const GInterfaceInfo urihandler_info = {
|
|
gst_dvd_read_src_uri_handler_init,
|
|
NULL,
|
|
NULL
|
|
};
|
|
|
|
g_type_add_interface_static (dvdreadsrc_type, GST_TYPE_URI_HANDLER,
|
|
&urihandler_info);
|
|
|
|
title_format = gst_format_register ("title", "DVD title");
|
|
angle_format = gst_format_register ("angle", "DVD angle");
|
|
sector_format = gst_format_register ("sector", "DVD sector");
|
|
chapter_format = gst_format_register ("chapter", "DVD chapter");
|
|
}
|
|
|
|
static gboolean
|
|
plugin_init (GstPlugin * plugin)
|
|
{
|
|
GST_DEBUG_CATEGORY_INIT (gstgst_dvd_read_src_debug, "dvdreadsrc", 0,
|
|
"DVD reader element based on dvdreadsrc");
|
|
|
|
if (!gst_element_register (plugin, "dvdreadsrc", GST_RANK_SECONDARY,
|
|
GST_TYPE_DVD_READ_SRC)) {
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
|
|
GST_VERSION_MINOR,
|
|
"dvdread",
|
|
"Access a DVD with dvdread",
|
|
plugin_init, VERSION, "GPL", GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN);
|