index 03e8dbdcdf0f06c3dba12f447e8d8f17f6d2be03..9877f072478a54ebfc40cbc443d3e767ce40411a 100644 (file)
--- a/ext/dvdread/dvdreadsrc.c
+++ b/ext/dvdread/dvdreadsrc.c
-/* GStreamer
+/* GStreamer DVD title source
* Copyright (C) 1999 Erik Walthinsen <omega@cse.ogi.edu>
* Copyright (C) 2001 Billy Biggs <vektor@dumbterm.net>.
+ * Copyright (C) 2006 Tim-Philipp Müller <tim centricular net>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
#include "dvdreadsrc.h"
-/* #include <gst/gst-i18n-plugin.h> */
-/* FIXME: remove once GETTEXT_PACKAGE etc. is set */
-#define _(s) s
+#include <gst/gst-i18n-plugin.h>
GST_DEBUG_CATEGORY_STATIC (gstgst_dvd_read_src_debug);
#define GST_CAT_DEFAULT (gstgst_dvd_read_src_debug)
ARG_ANGLE
};
-static GstElementDetails gst_dvd_read_src_details = {
- "DVD Source",
- "Source/File/DVD",
- "Access a DVD title/chapter/angle using libdvdread",
- "Erik Walthinsen <omega@cse.ogi.edu>",
-};
-
static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GValue * value, GParamSpec * pspec);
static GstEvent *gst_dvd_read_src_make_clut_change_event (GstDvdReadSrc * src,
const guint * clut);
-static gboolean gst_dvd_read_src_get_size (GstBaseSrc * bsrc, guint64 * size);
-static gboolean gst_dvd_read_src_seekable (GstBaseSrc * bsrc);
+static gboolean gst_dvd_read_src_get_size (GstDvdReadSrc * src, gint64 * size);
+static gboolean gst_dvd_read_src_do_seek (GstBaseSrc * src, GstSegment * s);
+static gint64 gst_dvd_read_src_convert_timecode (dvd_time_t * time);
+static gint gst_dvd_read_src_get_next_cell (GstDvdReadSrc * src,
+ pgc_t * pgc, gint cell);
+static GstClockTime gst_dvd_read_src_get_time_for_sector (GstDvdReadSrc * src,
+ guint sector);
+static gint gst_dvd_read_src_get_sector_from_time (GstDvdReadSrc * src,
+ GstClockTime ts);
GST_BOILERPLATE_FULL (GstDvdReadSrc, gst_dvd_read_src, GstPushSrc,
- GST_TYPE_PUSH_SRC, gst_dvd_read_src_do_init)
+ GST_TYPE_PUSH_SRC, gst_dvd_read_src_do_init);
- static void gst_dvd_read_src_base_init (gpointer g_class)
+static void
+gst_dvd_read_src_base_init (gpointer g_class)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
- gst_element_class_add_pad_template (element_class,
- gst_static_pad_template_get (&srctemplate));
+ gst_element_class_add_static_pad_template (element_class, &srctemplate);
- gst_element_class_set_details (element_class, &gst_dvd_read_src_details);
+ gst_element_class_set_details_simple (element_class, "DVD Source",
+ "Source/File/DVD",
+ "Access a DVD title/chapter/angle using libdvdread",
+ "Erik Walthinsen <omega@cse.ogi.edu>");
}
static void
src->new_seek = TRUE;
src->new_cell = TRUE;
src->change_cell = FALSE;
- src->title = 0;
- src->chapter = 0;
- src->angle = 0;
+ src->uri_title = 1;
+ src->uri_chapter = 1;
+ src->uri_angle = 1;
- src->seek_pend = FALSE;
- src->flush_pend = FALSE;
- src->seek_pend_fmt = GST_FORMAT_UNDEFINED;
src->title_lang_event_pending = NULL;
src->pending_clut_event = NULL;
+
+ gst_pad_use_fixed_caps (GST_BASE_SRC_PAD (src));
+ gst_pad_set_caps (GST_BASE_SRC_PAD (src),
+ gst_static_pad_template_get_caps (&srctemplate));
+}
+
+static gboolean
+gst_dvd_read_src_is_seekable (GstBaseSrc * src)
+{
+ return TRUE;
}
static void
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_DEVICE,
g_param_spec_string ("device", "Device",
- "DVD device location", NULL, G_PARAM_READWRITE));
+ "DVD device location", NULL,
+ G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_TITLE,
g_param_spec_int ("title", "title", "title",
- 0, 999, 0, G_PARAM_READWRITE));
+ 1, 999, 1, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_CHAPTER,
g_param_spec_int ("chapter", "chapter", "chapter",
- 0, 999, 0, G_PARAM_READWRITE));
+ 1, 999, 1, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_ANGLE,
g_param_spec_int ("angle", "angle", "angle",
- 0, 999, 0, G_PARAM_READWRITE));
+ 1, 999, 1, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
gstbasesrc_class->start = GST_DEBUG_FUNCPTR (gst_dvd_read_src_start);
gstbasesrc_class->stop = GST_DEBUG_FUNCPTR (gst_dvd_read_src_stop);
gstbasesrc_class->query = GST_DEBUG_FUNCPTR (gst_dvd_read_src_src_query);
gstbasesrc_class->event = GST_DEBUG_FUNCPTR (gst_dvd_read_src_src_event);
- gstbasesrc_class->get_size = GST_DEBUG_FUNCPTR (gst_dvd_read_src_get_size);
- gstbasesrc_class->is_seekable = GST_DEBUG_FUNCPTR (gst_dvd_read_src_seekable);
+ gstbasesrc_class->do_seek = GST_DEBUG_FUNCPTR (gst_dvd_read_src_do_seek);
+ gstbasesrc_class->is_seekable =
+ GST_DEBUG_FUNCPTR (gst_dvd_read_src_is_seekable);
gstpushsrc_class->create = GST_DEBUG_FUNCPTR (gst_dvd_read_src_create);
}
GST_DEBUG_OBJECT (src, "Opening DVD '%s'", src->location);
- src->dvd = DVDOpen (src->location);
- if (src->dvd == NULL) {
+ if ((src->dvd = DVDOpen (src->location)) == NULL)
+ goto open_failed;
+
+ /* Load the video manager to find out the information about the titles */
+ GST_DEBUG_OBJECT (src, "Loading VMG info");
+
+ if (!(src->vmg_file = ifoOpen (src->dvd, 0)))
+ goto ifo_open_failed;
+
+ src->tt_srpt = src->vmg_file->tt_srpt;
+
+ src->title = src->uri_title - 1;
+ src->chapter = src->uri_chapter - 1;
+ src->angle = src->uri_angle - 1;
+
+ if (!gst_dvd_read_src_goto_title (src, src->title, src->angle))
+ goto title_open_failed;
+
+ if (!gst_dvd_read_src_goto_chapter (src, src->chapter))
+ goto chapter_open_failed;
+
+ src->new_seek = FALSE;
+ src->change_cell = TRUE;
+
+ return TRUE;
+
+ /* ERRORS */
+open_failed:
+ {
GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ,
(_("Could not open DVD")),
("DVDOpen(%s) failed: %s", src->location, g_strerror (errno)));
return FALSE;
}
-
- /* Load the video manager to find out the information about the titles */
- GST_DEBUG_OBJECT (src, "Loading VMG info");
-
- src->vmg_file = ifoOpen (src->dvd, 0);
- if (!src->vmg_file) {
+ifo_open_failed:
+ {
GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ,
(_("Could not open DVD")),
("ifoOpen() failed: %s", g_strerror (errno)));
return FALSE;
}
-
- src->tt_srpt = src->vmg_file->tt_srpt;
-
- src->seek_pend_fmt = title_format;
- src->seek_pend = TRUE;
-
- return TRUE;
+title_open_failed:
+ {
+ GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ,
+ (_("Could not open DVD title %d"), src->uri_title), (NULL));
+ return FALSE;
+ }
+chapter_open_failed:
+ {
+ GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ,
+ (_("Failed to go to chapter %d of DVD title %d"),
+ src->uri_chapter, src->uri_title), (NULL));
+ return FALSE;
+ }
}
static gboolean
src->change_cell = FALSE;
src->chapter = 0;
src->title = 0;
- src->flush_pend = FALSE;
- src->seek_pend = FALSE;
- src->seek_pend_fmt = GST_FORMAT_UNDEFINED;
+ src->need_newsegment = TRUE;
+ src->vts_tmapt = NULL;
if (src->title_lang_event_pending) {
gst_event_unref (src->title_lang_event_pending);
src->title_lang_event_pending = NULL;
gst_event_unref (src->pending_clut_event);
src->pending_clut_event = NULL;
}
+ if (src->chapter_starts) {
+ g_free (src->chapter_starts);
+ src->chapter_starts = NULL;
+ }
+
+ GST_LOG_OBJECT (src, "closed DVD");
return TRUE;
}
*p_first_cell = pgc->program_map[pgn - 1] - 1;
if (chapter == (src->num_chapters - 1)) {
- *p_last_cell = pgc->nr_of_cells;
+ *p_last_cell = pgc->nr_of_cells - 1;
} else {
pgn_next_ch = src->vts_ptt_srpt->title[src->ttn - 1].ptt[chapter + 1].pgn;
*p_last_cell = pgc->program_map[pgn_next_ch - 1] - 1;
}
+
+ GST_DEBUG_OBJECT (src, "Chapter %d bounds: %d %d (within %d cells)",
+ chapter, *p_first_cell, *p_last_cell, pgc->nr_of_cells);
}
static gboolean
cur_title_get_chapter_bounds (src, chapter, &src->start_cell,
&src->last_cell);
- GST_LOG_OBJECT (src, "Opened chapter %d - cell %d-%d", chapter,
+ GST_LOG_OBJECT (src, "Opened chapter %d - cell %d-%d", chapter + 1,
src->start_cell, src->last_cell);
/* retrieve position */
return TRUE;
}
+static void
+gst_dvd_read_src_get_chapter_starts (GstDvdReadSrc * src)
+{
+ GstClockTime uptohere;
+ guint c;
+
+ g_free (src->chapter_starts);
+ src->chapter_starts = g_new (GstClockTime, src->num_chapters);
+
+ uptohere = (GstClockTime) 0;
+ for (c = 0; c < src->num_chapters; ++c) {
+ GstClockTime chapter_duration = 0;
+ gint cell_start, cell_end, cell;
+ gint pgn, pgc_id;
+ pgc_t *pgc;
+
+ cur_title_get_chapter_pgc (src, c, &pgn, &pgc_id, &pgc);
+ cur_title_get_chapter_bounds (src, c, &cell_start, &cell_end);
+
+ cell = cell_start;
+ while (cell < cell_end) {
+ dvd_time_t *cell_duration;
+
+ cell_duration = &pgc->cell_playback[cell].playback_time;
+ chapter_duration += gst_dvd_read_src_convert_timecode (cell_duration);
+ cell = gst_dvd_read_src_get_next_cell (src, pgc, cell);
+ }
+
+ src->chapter_starts[c] = uptohere;
+
+ GST_INFO_OBJECT (src, "[%02u] Chapter %02u starts at %" GST_TIME_FORMAT
+ ", dur = %" GST_TIME_FORMAT ", cells %d-%d", src->title + 1, c + 1,
+ GST_TIME_ARGS (uptohere), GST_TIME_ARGS (chapter_duration),
+ cell_start, cell_end);
+
+ uptohere += chapter_duration;
+ }
+}
+
static gboolean
gst_dvd_read_src_goto_title (GstDvdReadSrc * src, gint title, gint angle)
{
GstStructure *s;
gchar lang_code[3] = { '\0', '\0', '\0' }, *t;
+ pgc_t *pgc0;
gint title_set_nr;
gint num_titles;
- gint num_angles;
+ gint pgn0, pgc0_id;
gint i;
/* make sure our title number is valid */
num_titles = src->tt_srpt->nr_of_srpts;
GST_INFO_OBJECT (src, "There are %d titles on this DVD", num_titles);
- if (title < 0 || title >= num_titles) {
- GST_WARNING_OBJECT (src, "Invalid title %d (only %d available)",
- title, num_titles);
- title = CLAMP (title, 0, num_titles - 1);
- }
+ if (title < 0 || title >= num_titles)
+ goto invalid_title;
src->num_chapters = src->tt_srpt->title[title].nr_of_ptts;
- GST_INFO_OBJECT (src, "Title %d has %d chapters", title, src->num_chapters);
+ GST_INFO_OBJECT (src, "Title %d has %d chapters", title + 1,
+ src->num_chapters);
/* make sure the angle number is valid for this title */
- num_angles = src->tt_srpt->title[title].nr_of_angles;
- GST_LOG_OBJECT (src, "Title %d has %d angles", title, num_angles);
- if (angle < 0 || angle >= num_angles) {
+ src->num_angles = src->tt_srpt->title[title].nr_of_angles;
+ GST_LOG_OBJECT (src, "Title %d has %d angles", title + 1, src->num_angles);
+ if (angle < 0 || angle >= src->num_angles) {
GST_WARNING_OBJECT (src, "Invalid angle %d (only %d available)",
- angle, num_angles);
- angle = CLAMP (angle, 0, num_angles - 1);
+ angle, src->num_angles);
+ angle = CLAMP (angle, 0, src->num_angles - 1);
}
/* load the VTS information for the title set our title is in */
title_set_nr = src->tt_srpt->title[title].title_set_nr;
src->vts_file = ifoOpen (src->dvd, title_set_nr);
- if (src->vts_file == NULL) {
- GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ,
- (_("Could not open DVD title %d"), title_set_nr),
- ("ifoOpen(%d) failed: %s", title_set_nr, g_strerror (errno)));
- return FALSE;
- }
+ if (src->vts_file == NULL)
+ goto ifo_open_failed;
src->ttn = src->tt_srpt->title[title].vts_ttn;
src->vts_ptt_srpt = src->vts_file->vts_ptt_srpt;
+ /* interactive title? */
+ if (src->num_chapters > 0 &&
+ src->vts_ptt_srpt->title[src->ttn - 1].ptt[0].pgn == 0) {
+ goto commands_only_pgc;
+ }
+
/* we've got enough info, time to open the title set data */
src->dvd_title = DVDOpenFile (src->dvd, title_set_nr, DVD_READ_TITLE_VOBS);
- if (src->dvd_title == NULL) {
- GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ,
- (_("Could not open DVD title %d"), title_set_nr),
- ("Can't open title VOBS (VTS_%02d_1.VOB)", title_set_nr));
- return FALSE;
- }
+ if (src->dvd_title == NULL)
+ goto title_open_failed;
- GST_INFO_OBJECT (src, "Opened title %d, angle %d", title, angle);
+ GST_INFO_OBJECT (src, "Opened title %d, angle %d", title + 1, angle);
src->title = title;
src->angle = angle;
src->title_lang_event_pending = NULL;
}
- s = gst_structure_new ("application/x-gst-event",
+ s = gst_structure_new ("application/x-gst-dvd",
"event", G_TYPE_STRING, "dvd-lang-codes", NULL);
+ /* so we can filter out invalid/unused streams (same for all chapters) */
+ cur_title_get_chapter_pgc (src, 0, &pgn0, &pgc0_id, &pgc0);
+
/* audio */
for (i = 0; i < src->vts_file->vtsi_mat->nr_of_vts_audio_streams; i++) {
- const audio_attr_t *a = &src->vts_file->vtsi_mat->vts_audio_attr[i];
+ const audio_attr_t *a;
+
+ /* audio stream present? */
+ if (pgc0 != NULL && (pgc0->audio_control[i] & 0x8000) == 0)
+ continue;
+
+ a = &src->vts_file->vtsi_mat->vts_audio_attr[i];
t = g_strdup_printf ("audio-%d-format", i);
gst_structure_set (s, t, G_TYPE_INT, (int) a->audio_format, NULL);
}
GST_INFO_OBJECT (src, "[%02d] Audio %02d: lang='%s', format=%d",
- src->title, i, lang_code, (gint) a->audio_format);
+ src->title + 1, 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];
+ const subp_attr_t *u;
+ const video_attr_t *v;
+ gint sid;
+
+ /* subpicture stream present? */
+ if (pgc0 != NULL && (pgc0->subp_control[i] & 0x80000000) == 0)
+ continue;
+
+ u = &src->vts_file->vtsi_mat->vts_subp_attr[i];
+ v = &src->vts_file->vtsi_mat->vts_video_attr;
+
+ sid = i;
+ if (pgc0 != NULL) {
+ if (v->display_aspect_ratio == 0) /* 4:3 */
+ sid = (pgc0->subp_control[i] >> 24) & 0x1f;
+ else if (v->display_aspect_ratio == 3) /* 16:9 */
+ sid = (pgc0->subp_control[i] >> 8) & 0x1f;
+ }
if (u->type) {
- t = g_strdup_printf ("subtitle-%d-language", i);
+ t = g_strdup_printf ("subtitle-%d-language", sid);
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);
lang_code[0] = '\0';
}
- GST_INFO_OBJECT (src, "[%02d] Subtitle %02d: lang='%s', format=%d",
- src->title, i, lang_code);
+ GST_INFO_OBJECT (src, "[%02d] Subtitle %02d: lang='%s', type=%d",
+ src->title + 1, sid, lang_code, u->type);
}
src->title_lang_event_pending =
gst_event_new_custom (GST_EVENT_CUSTOM_DOWNSTREAM, s);
- return 0;
+ /* dump seek tables */
+ src->vts_tmapt = src->vts_file->vts_tmapt;
+ if (src->vts_tmapt) {
+ gint i, j;
+
+ GST_LOG_OBJECT (src, "nr_of_tmaps = %d", src->vts_tmapt->nr_of_tmaps);
+ for (i = 0; i < src->vts_tmapt->nr_of_tmaps; ++i) {
+ GST_LOG_OBJECT (src, "======= Table %d ===================", i);
+ GST_LOG_OBJECT (src, "Offset relative to VTS_TMAPTI: %d",
+ src->vts_tmapt->tmap_offset[i]);
+ GST_LOG_OBJECT (src, "Time unit (seconds) : %d",
+ src->vts_tmapt->tmap[i].tmu);
+ GST_LOG_OBJECT (src, "Number of entries : %d",
+ src->vts_tmapt->tmap[i].nr_of_entries);
+ for (j = 0; j < src->vts_tmapt->tmap[i].nr_of_entries; j++) {
+ guint64 time;
+
+ time = src->vts_tmapt->tmap[i].tmu * (j + 1) * GST_SECOND;
+ GST_LOG_OBJECT (src, "Time: %" GST_TIME_FORMAT " VOBU "
+ "Sector: 0x%08x %s", GST_TIME_ARGS (time),
+ src->vts_tmapt->tmap[i].map_ent[j] & 0x7fffffff,
+ (src->vts_tmapt->tmap[i].map_ent[j] >> 31) ? "discontinuity" : "");
+ }
+ }
+ } else {
+ GST_WARNING_OBJECT (src, "no vts_tmapt - seeking will suck");
+ }
+
+ gst_dvd_read_src_get_chapter_starts (src);
+
+ return TRUE;
+
+ /* ERRORS */
+invalid_title:
+ {
+ GST_WARNING_OBJECT (src, "Invalid title %d (only %d available)",
+ title, num_titles);
+ return FALSE;
+ }
+ifo_open_failed:
+ {
+ GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ,
+ (_("Could not open DVD title %d"), title_set_nr),
+ ("ifoOpen(%d) failed: %s", title_set_nr, g_strerror (errno)));
+ return FALSE;
+ }
+title_open_failed:
+ {
+ GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ,
+ (_("Could not open DVD title %d"), title_set_nr),
+ ("Can't open title VOBS (VTS_%02d_1.VOB)", title_set_nr));
+ return FALSE;
+ }
+commands_only_pgc:
+ {
+ GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ,
+ (_("Could not open DVD title %d. Interactive titles are not supported "
+ "by this element"), title_set_nr),
+ ("Commands-only PGC, not supported, use rsndvdbin"));
+ return FALSE;
+ }
}
/* FIXME: double-check this function, compare against original */
static gint
-gst_dvd_read_src_get_next_cell_for (GstDvdReadSrc * src, gint cell)
+gst_dvd_read_src_get_next_cell (GstDvdReadSrc * src, pgc_t * pgc, gint cell)
{
/* Check if we're entering an angle block. */
- if (src->cur_pgc->cell_playback[cell].block_type != BLOCK_TYPE_ANGLE_BLOCK)
+ if (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)
+ while (pgc->cell_playback[cell].block_mode != BLOCK_MODE_LAST_CELL)
++cell;
- return cell + 1; /* really +1? (tpm) */
+ return cell + 1;
}
-/* 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. */
+/* Returns true if the pack is a NAV pack */
static gboolean
-gst_dvd_read_src_is_nav_pack (const guint8 * buffer)
+gst_dvd_read_src_is_nav_pack (const guint8 * data, gint lbn, dsi_t * dsi_pack)
{
- return (buffer[41] == 0xbf && buffer[1027] == 0xbf);
+ if (GST_READ_UINT32_BE (data + 0x26) != 0x000001BF)
+ return FALSE;
+
+ /* Check that this is substream 0 (PCI) */
+ if (data[0x2c] != 0)
+ return FALSE;
+
+ if (GST_READ_UINT32_BE (data + 0x400) != 0x000001BF)
+ return FALSE;
+
+ /* Check that this is substream 1 (DSI) */
+ if (data[0x406] != 1)
+ return FALSE;
+
+ /* Check sizes of PCI and DSI packets */
+ if (GST_READ_UINT16_BE (data + 0x2a) != 0x03d4)
+ return FALSE;
+
+ if (GST_READ_UINT16_BE (data + 0x404) != 0x03fa)
+ return FALSE;
+
+ /* Read the DSI packet into the provided struct and check it */
+ navRead_DSI (dsi_pack, (unsigned char *) data + DSI_START_BYTE);
+ if (lbn != dsi_pack->dsi_gi.nv_pck_lbn)
+ return FALSE;
+
+ return TRUE;
+}
+
+/* find time for sector from index, returns NONE if there is no exact match */
+static GstClockTime
+gst_dvd_read_src_get_time_for_sector (GstDvdReadSrc * src, guint sector)
+{
+ gint i, j;
+
+ if (src->vts_tmapt == NULL || src->vts_tmapt->nr_of_tmaps == 0)
+ return GST_CLOCK_TIME_NONE;
+
+ for (i = 0; i < src->vts_tmapt->nr_of_tmaps; ++i) {
+ for (j = 0; j < src->vts_tmapt->tmap[i].nr_of_entries; ++j) {
+ if ((src->vts_tmapt->tmap[i].map_ent[j] & 0x7fffffff) == sector)
+ return src->vts_tmapt->tmap[i].tmu * (j + 1) * GST_SECOND;
+ }
+ }
+
+ if (sector == 0)
+ return (GstClockTime) 0;
+
+ return GST_CLOCK_TIME_NONE;
+}
+
+/* returns the sector in the index at (or before) the given time, or -1 */
+static gint
+gst_dvd_read_src_get_sector_from_time (GstDvdReadSrc * src, GstClockTime ts)
+{
+ gint sector, j;
+
+ if (src->vts_tmapt == NULL || src->vts_tmapt->nr_of_tmaps < src->ttn)
+ return -1;
+
+ sector = 0;
+ for (j = 0; j < src->vts_tmapt->tmap[src->ttn - 1].nr_of_entries; ++j) {
+ GstClockTime entry_time;
+
+ entry_time = src->vts_tmapt->tmap[src->ttn - 1].tmu * (j + 1) * GST_SECOND;
+ if (entry_time <= ts) {
+ sector = src->vts_tmapt->tmap[src->ttn - 1].map_ent[j] & 0x7fffffff;
+ }
+ if (entry_time >= ts) {
+ return sector;
+ }
+ }
+
+ if (ts == 0)
+ return 0;
+
+ return -1;
}
typedef enum
static GstDvdReadReturn
gst_dvd_read_src_read (GstDvdReadSrc * src, gint angle, gint new_seek,
- GstBuffer * buf)
+ GstBuffer ** p_buf)
{
- guint8 *data;
+ GstBuffer *buf;
+ GstSegment *seg;
+ guint8 oneblock[DVD_VIDEO_LB_LEN];
dsi_t dsi_pack;
- guint next_vobu, next_ilvu_start, cur_output_size;
+ guint next_vobu, cur_output_size;
gint len;
+ gint retries;
+ gint64 next_time;
+
+ seg = &(GST_BASE_SRC (src)->segment);
/* playback by cell in this pgc, starting at the cell for our chapter */
if (new_seek)
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;
+ if (src->chapter == (src->num_chapters - 1) ||
+ (seg->format == chapter_format && seg->stop != -1 &&
+ src->chapter == (seg->stop - 1))) {
+ GST_DEBUG_OBJECT (src, "end of chapter segment");
+ goto eos;
}
- GST_INFO_OBJECT (src, "end of chapter %d, switch to next", src->chapter);
+ GST_INFO_OBJECT (src, "end of chapter %d, switch to next",
+ src->chapter + 1);
++src->chapter;
gst_dvd_read_src_goto_chapter (src, src->chapter);
src->cur_cell += angle;
/* calculate next cell */
- src->next_cell = gst_dvd_read_src_get_next_cell_for (src, src->cur_cell);
+ src->next_cell =
+ gst_dvd_read_src_get_next_cell (src, src->cur_pgc, 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;
+ GST_DEBUG_OBJECT (src, "Starting new cell %d @ pack %d", src->cur_cell,
+ src->cur_pack);
}
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");
+ GST_LOG_OBJECT (src, "Beyond last sector for cell %d, going to next cell",
+ src->cur_cell);
return GST_DVD_READ_AGAIN;
}
/* read NAV packet */
- data = GST_BUFFER_DATA (buf);
-
+ retries = 0;
nav_retry:
+ retries++;
- len = DVDReadBlocks (src->dvd_title, src->cur_pack, 1, data);
- if (len == 0) {
- GST_ERROR_OBJECT (src, "Read failed for block %d", src->cur_pack);
- return GST_DVD_READ_ERROR;
- }
+ len = DVDReadBlocks (src->dvd_title, src->cur_pack, 1, oneblock);
+ if (len != 1)
+ goto read_error;
- if (!gst_dvd_read_src_is_nav_pack (data)) {
+ if (!gst_dvd_read_src_is_nav_pack (oneblock, src->cur_pack, &dsi_pack)) {
+ GST_LOG_OBJECT (src, "Skipping nav packet @ pack %d", src->cur_pack);
src->cur_pack++;
- goto nav_retry;
- }
- /* parse the contained dsi packet */
- navRead_DSI (&dsi_pack, &data[DSI_START_BYTE]);
- g_assert (src->cur_pack == dsi_pack.dsi_gi.nv_pck_lbn);
+ if (retries < 2000) {
+ goto nav_retry;
+ } else {
+ GST_LOG_OBJECT (src, "No nav packet @ pack %d after 2000 blocks",
+ src->cur_pack);
+ goto read_error;
+ }
+ }
/* 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;
+ cur_output_size = dsi_pack.dsi_gi.vobu_ea + 1;
/* 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
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;
+ next_vobu = src->cur_pgc->cell_playback[src->cur_cell].last_sector + 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);
+
+ GST_LOG_OBJECT (src, "Going to read %u sectors @ pack %d", cur_output_size,
+ src->cur_pack);
/* read in and output cursize packs */
- len = DVDReadBlocks (src->dvd_title, src->cur_pack, cur_output_size, data);
- if (len != cur_output_size) {
- GST_ERROR_OBJECT (src, "Read failed for %d blocks at %d",
- cur_output_size, src->cur_pack);
- return GST_DVD_READ_ERROR;
- }
+ len = DVDReadBlocks (src->dvd_title, src->cur_pack, cur_output_size,
+ GST_BUFFER_DATA (buf));
+
+ if (len != cur_output_size)
+ goto block_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_TIMESTAMP (buf) =
+ gst_dvd_read_src_get_time_for_sector (src, src->cur_pack);
- src->cur_pack = next_vobu;
+ gst_buffer_set_caps (buf, GST_PAD_CAPS (GST_BASE_SRC_PAD (src)));
+
+ *p_buf = buf;
GST_LOG_OBJECT (src, "Read %u sectors", cur_output_size);
+
+ src->cur_pack = next_vobu;
+
+ next_time = GST_BUFFER_TIMESTAMP (buf);
+ if (GST_CLOCK_TIME_IS_VALID (next_time) && seg->format == GST_FORMAT_TIME &&
+ GST_CLOCK_TIME_IS_VALID (seg->stop) &&
+ next_time > seg->stop + 5 * GST_SECOND) {
+ GST_DEBUG_OBJECT (src, "end of TIME segment");
+ goto eos;
+ }
+
return GST_DVD_READ_OK;
+
+ /* ERRORS */
+eos:
+ {
+ GST_INFO_OBJECT (src, "Reached end-of-segment/stream - EOS");
+ return GST_DVD_READ_EOS;
+ }
+read_error:
+ {
+ GST_ERROR_OBJECT (src, "Read failed for block %d", src->cur_pack);
+ return GST_DVD_READ_ERROR;
+ }
+block_read_error:
+ {
+ 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;
+ }
+}
+
+/* we don't cache the result on purpose */
+static gboolean
+gst_dvd_read_descrambler_available (void)
+{
+ GModule *module;
+ gpointer sym;
+ gsize res;
+
+ module = g_module_open ("libdvdcss", 0);
+ if (module != NULL) {
+ res = g_module_symbol (module, "dvdcss_open", &sym);
+ g_module_close (module);
+ } else {
+ res = FALSE;
+ }
+
+ return res;
}
static GstFlowReturn
gst_dvd_read_src_create (GstPushSrc * pushsrc, GstBuffer ** p_buf)
{
GstDvdReadSrc *src = GST_DVD_READ_SRC (pushsrc);
- GstBuffer *buf;
GstPad *srcpad;
gint res;
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;
- }
- }
-
+ if (src->need_newsegment) {
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;
+ (gint64) src->cur_pack * DVD_VIDEO_LB_LEN, -1, 0));
+ src->need_newsegment = FALSE;
}
if (src->new_seek) {
src->pending_clut_event = NULL;
}
- /* create the buffer (TODO: use buffer pool?) */
- buf = gst_buffer_new_and_alloc (1024 * DVD_VIDEO_LB_LEN);
-
/* read it in */
do {
- res = gst_dvd_read_src_read (src, src->angle, src->change_cell, buf);
+ 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));
- gst_buffer_unref (buf);
+ /* FIXME: figure out a way to detect if scrambling is the problem */
+ if (!gst_dvd_read_descrambler_available ()) {
+ GST_ELEMENT_ERROR (src, RESOURCE, READ,
+ (_("Could not read DVD. This may be because the DVD is encrypted "
+ "and a DVD decryption library is not installed.")), (NULL));
+ } else {
+ GST_ELEMENT_ERROR (src, RESOURCE, READ, (_("Could not read DVD.")),
+ (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 ());
- gst_buffer_unref (buf);
return GST_FLOW_UNEXPECTED;
}
case GST_DVD_READ_OK:{
src->change_cell = FALSE;
- *p_buf = buf;
return GST_FLOW_OK;
}
default:
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 (!GST_OBJECT_FLAG_IS_SET (src, GST_BASE_SRC_STARTED)) {
+ if (started) {
g_warning ("%s: property '%s' needs to be set before the device is "
"opened", GST_ELEMENT_NAME (src), pspec->name);
break;;
break;
}
case ARG_TITLE:
- src->title = g_value_get_int (value);
- src->new_seek = TRUE;
+ 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->chapter = g_value_get_int (value);
- src->new_seek = TRUE;
+ 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->angle = g_value_get_int (value);
+ 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);
@@ -749,13 +1051,13 @@ gst_dvd_read_src_get_property (GObject * object, guint prop_id, GValue * value,
g_value_set_string (value, src->location);
break;
case ARG_TITLE:
- g_value_set_int (value, src->title);
+ g_value_set_int (value, src->uri_title);
break;
case ARG_CHAPTER:
- g_value_set_int (value, src->chapter);
+ g_value_set_int (value, src->uri_chapter);
break;
case ARG_ANGLE:
- g_value_set_int (value, src->angle);
+ g_value_set_int (value, src->uri_angle);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
@@ -766,15 +1068,8 @@ gst_dvd_read_src_get_property (GObject * object, guint prop_id, GValue * value,
}
static gboolean
-gst_dvd_read_src_seekable (GstBaseSrc * basesrc)
-{
- return TRUE;
-}
-
-static gboolean
-gst_dvd_read_src_get_size (GstBaseSrc * basesrc, guint64 * size)
+gst_dvd_read_src_get_size (GstDvdReadSrc * src, gint64 * size)
{
- GstDvdReadSrc *src = GST_DVD_READ_SRC (basesrc);
gboolean ret = FALSE;
if (src->dvd_title) {
blocks = DVDFileSize (src->dvd_title);
if (blocks >= 0) {
- *size = (guint64) blocks *DVD_VIDEO_LB_LEN;
+ *size = (gint64) blocks *DVD_VIDEO_LB_LEN;
ret = TRUE;
} else {
/*** Querying and seeking ***/
static gboolean
-gst_dvd_read_src_do_seek (GstDvdReadSrc * src, GstEvent * event)
+gst_dvd_read_src_handle_seek_event (GstDvdReadSrc * src, GstEvent * event)
{
GstSeekFlags flags;
GstSeekType cur_type, end_type;
- gint64 new_off, total, cur;
+ gint64 new_off, total;
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");
+ if (rate <= 0.0) {
+ GST_DEBUG_OBJECT (src, "cannot do backwards playback yet");
+ return FALSE;
}
- switch (format) {
- case GST_FORMAT_BYTES:{
- new_off /= DVD_VIDEO_LB_LEN;
- format = sector_format;
- 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;
+ if (end_type != GST_SEEK_TYPE_NONE) {
+ if ((format != chapter_format && format != GST_FORMAT_TIME) ||
+ end_type != GST_SEEK_TYPE_SET) {
+ GST_DEBUG_OBJECT (src, "end seek type not supported");
+ return FALSE;
}
}
- /* get current offset and length */
- gst_pad_query_duration (srcpad, &format, &total);
- gst_pad_query_position (srcpad, &format, &cur);
-
- GST_DEBUG_OBJECT (src, "Current %s: %" G_GINT64_FORMAT,
- gst_format_get_name (format), cur);
- GST_DEBUG_OBJECT (src, "Total %s: %" G_GINT64_FORMAT,
- gst_format_get_name (format), total);
+ if (cur_type != GST_SEEK_TYPE_SET) {
+ GST_DEBUG_OBJECT (src, "only SEEK_TYPE_SET is supported");
+ return FALSE;
+ }
- if (cur == new_off) {
- GST_DEBUG_OBJECT (src, "We're already at that position!");
+ if (format == angle_format) {
+ GST_OBJECT_LOCK (src);
+ if (new_off < 0 || new_off >= src->num_angles) {
+ GST_OBJECT_UNLOCK (src);
+ GST_DEBUG_OBJECT (src, "invalid angle %d, only %d available",
+ src->num_angles, src->num_angles);
+ return FALSE;
+ }
+ src->angle = (gint) new_off;
+ GST_OBJECT_UNLOCK (src);
+ GST_DEBUG_OBJECT (src, "switched to angle %d", (gint) new_off + 1);
return TRUE;
}
- /* 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");
+ if (format != chapter_format && format != title_format &&
+ format != GST_FORMAT_BYTES && format != GST_FORMAT_TIME) {
+ GST_DEBUG_OBJECT (src, "unsupported seek format %d (%s)", format,
+ gst_format_get_name (format));
+ return FALSE;
+ }
+
+ if (format == GST_FORMAT_BYTES) {
+ GST_DEBUG_OBJECT (src, "Requested seek to byte %" G_GUINT64_FORMAT,
+ new_off);
+ } else if (format == GST_FORMAT_TIME) {
+ GST_DEBUG_OBJECT (src, "Requested seek to time %" GST_TIME_FORMAT,
+ GST_TIME_ARGS (new_off));
+ if (gst_dvd_read_src_get_sector_from_time (src, new_off) < 0) {
+ GST_DEBUG_OBJECT (src, "Can't find sector for requested time");
return FALSE;
+ }
}
- if (new_off < 0 || new_off >= total) {
- GST_DEBUG_OBJECT (src, "Invalid seek position %" G_GINT64_FORMAT, new_off);
+ srcpad = GST_BASE_SRC_PAD (src);
+
+ /* check whether the seek looks reasonable (ie within possible range) */
+ if (format == GST_FORMAT_BYTES) {
+ GST_OBJECT_LOCK (src);
+ query_ok = gst_dvd_read_src_get_size (src, &total);
+ GST_OBJECT_UNLOCK (src);
+ } else {
+ query_ok = gst_pad_query_duration (srcpad, &format, &total);
+ }
+
+ if (!query_ok) {
+ GST_DEBUG_OBJECT (src, "Failed to query duration in format %s",
+ gst_format_get_name (format));
return FALSE;
}
- GST_LOG_OBJECT (src, "Seeking to unit %" G_GINT64_FORMAT, new_off);
+ GST_DEBUG_OBJECT (src, "Total %s: %12" G_GINT64_FORMAT,
+ gst_format_get_name (format), total);
+ GST_DEBUG_OBJECT (src, "Seek to %s: %12" G_GINT64_FORMAT,
+ gst_format_get_name (format), new_off);
+ if (new_off >= total) {
+ GST_DEBUG_OBJECT (src, "Seek position out of range");
+ return FALSE;
+ }
+
+ /* set segment to seek format; this allows us to use the do_seek
+ * virtual function and let the base source handle all the tricky
+ * stuff for us. We don't use the segment internally anyway */
+ /* FIXME: can't take the stream lock here - what to do? */
GST_OBJECT_LOCK (src);
+ GST_BASE_SRC (src)->segment.format = format;
+ GST_BASE_SRC (src)->segment.start = 0;
+ GST_BASE_SRC (src)->segment.stop = total;
+ GST_BASE_SRC (src)->segment.duration = total;
+ GST_OBJECT_UNLOCK (src);
- if (format == angle_format) {
- src->angle = new_off;
- GST_OBJECT_UNLOCK (src);
- return TRUE;
- }
+ return GST_BASE_SRC_CLASS (parent_class)->event (GST_BASE_SRC (src), event);
+}
+
+static void
+gst_dvd_read_src_get_sector_bounds (GstDvdReadSrc * src, gint * first,
+ gint * last)
+{
+ gint c1, c2, tmp;
+ cur_title_get_chapter_bounds (src, 0, &c1, &tmp);
+ cur_title_get_chapter_bounds (src, src->num_chapters - 1, &tmp, &c2);
+ *first = src->cur_pgc->cell_playback[c1].first_sector;
+ *last = src->cur_pgc->cell_playback[c2].last_sector;
+}
+
+static gboolean
+gst_dvd_read_src_do_seek (GstBaseSrc * basesrc, GstSegment * s)
+{
+ GstDvdReadSrc *src;
- if (format == sector_format) {
- src->cur_pack = new_off;
- } 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 = GST_DVD_READ_SRC (basesrc);
+
+ GST_DEBUG_OBJECT (src, "Seeking to %s: %12" G_GINT64_FORMAT,
+ gst_format_get_name (s->format), s->last_stop);
+
+ if (s->format == sector_format || s->format == GST_FORMAT_BYTES
+ || s->format == GST_FORMAT_TIME) {
+ guint old;
+
+ old = src->cur_pack;
+
+ if (s->format == sector_format) {
+ gint first, last;
+ gst_dvd_read_src_get_sector_bounds (src, &first, &last);
+ GST_DEBUG_OBJECT (src, "Format is sector, seeking to %" G_GINT64_FORMAT,
+ s->last_stop);
+ src->cur_pack = s->last_stop;
+ if (src->cur_pack < first)
+ src->cur_pack = first;
+ if (src->cur_pack > last)
+ src->cur_pack = last;
+ } else if (s->format == GST_FORMAT_TIME) {
+ gint sector;
+ GST_DEBUG_OBJECT (src, "Format is time");
+
+ sector = gst_dvd_read_src_get_sector_from_time (src, s->last_stop);
+
+ GST_DEBUG_OBJECT (src, "Time %" GST_TIME_FORMAT " => sector %d",
+ GST_TIME_ARGS (s->last_stop), sector);
+
+ /* really shouldn't happen, we've checked this earlier ... */
+ g_return_val_if_fail (sector >= 0, FALSE);
+
+ src->cur_pack = sector;
+ } else {
+ /* byte format */
+ gint first, last;
+ gst_dvd_read_src_get_sector_bounds (src, &first, &last);
+ GST_DEBUG_OBJECT (src, "Format is byte");
+ src->cur_pack = s->last_stop / DVD_VIDEO_LB_LEN;
+ if (((gint64) src->cur_pack * DVD_VIDEO_LB_LEN) != s->last_stop) {
+ GST_LOG_OBJECT (src, "rounded down offset %" G_GINT64_FORMAT " => %"
+ G_GINT64_FORMAT, s->last_stop,
+ (gint64) src->cur_pack * DVD_VIDEO_LB_LEN);
+ }
+ src->cur_pack += first;
+ }
+
+ if (!gst_dvd_read_src_goto_sector (src, src->angle)) {
+ GST_DEBUG_OBJECT (src, "seek to sector 0x%08x failed", src->cur_pack);
+ src->cur_pack = old;
+ return FALSE;
+ }
+
+ GST_LOG_OBJECT (src, "seek to sector 0x%08x ok", src->cur_pack);
+ } else if (s->format == chapter_format) {
+ if (!gst_dvd_read_src_goto_chapter (src, (gint) s->last_stop)) {
+ GST_DEBUG_OBJECT (src, "seek to chapter %d failed",
+ (gint) s->last_stop + 1);
+ return FALSE;
+ }
+ GST_INFO_OBJECT (src, "seek to chapter %d ok", (gint) s->last_stop + 1);
+ src->chapter = s->last_stop;
+ } else if (s->format == title_format) {
+ if (!gst_dvd_read_src_goto_title (src, (gint) s->last_stop, src->angle) ||
+ !gst_dvd_read_src_goto_chapter (src, 0)) {
+ GST_DEBUG_OBJECT (src, "seek to title %d failed", (gint) s->last_stop);
+ return FALSE;
+ }
+ src->title = (gint) s->last_stop;
src->chapter = 0;
- src->seek_pend_fmt = format;
+ GST_INFO_OBJECT (src, "seek to title %d ok", src->title + 1);
} 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;
-
- GST_OBJECT_UNLOCK (src);
-
+ src->need_newsegment = TRUE;
return TRUE;
}
GstDvdReadSrc *src = GST_DVD_READ_SRC (basesrc);
gboolean res;
- GST_DEBUG_OBJECT (src, "handling %s event", GST_EVENT_TYPE_NAME (event));
+ 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);
+ res = gst_dvd_read_src_handle_seek_event (src, event);
break;
default:
res = GST_BASE_SRC_CLASS (parent_class)->event (basesrc, event);
break;
}
case GST_FORMAT_BYTES:{
- guint64 size;
-
- if (!gst_dvd_read_src_get_size (GST_BASE_SRC (src), &size))
+ if (!gst_dvd_read_src_get_size (src, &val))
return FALSE;
-
- val = (gint64) size;
break;
}
default:{
switch (format) {
case GST_FORMAT_BYTES:{
- val = src->cur_pack * DVD_VIDEO_LB_LEN;
+ val = (gint64) src->cur_pack * DVD_VIDEO_LB_LEN;
break;
}
default:{
return TRUE;
}
+static gboolean
+gst_dvd_read_src_do_convert_query (GstDvdReadSrc * src, GstQuery * query)
+{
+ GstFormat src_format, dest_format;
+ gboolean ret = FALSE;
+ gint64 src_val, dest_val = -1;
+
+ gst_query_parse_convert (query, &src_format, &src_val, &dest_format, NULL);
+
+ if (src_format == dest_format) {
+ dest_val = src_val;
+ ret = TRUE;
+ goto done;
+ }
+
+ /* Formats to consider: TIME, DEFAULT, BYTES, title, chapter, sector.
+ * Note: title and chapter are counted as starting from 0 here, just like
+ * in the context of seek events. Another note: DEFAULT format is undefined */
+
+ if (src_format == GST_FORMAT_BYTES) {
+ src_format = sector_format;
+ src_val /= DVD_VIDEO_LB_LEN;
+ }
+
+ if (src_format == sector_format) {
+ /* SECTOR => xyz */
+ if (dest_format == GST_FORMAT_TIME && src_val < G_MAXUINT) {
+ dest_val = gst_dvd_read_src_get_time_for_sector (src, (guint) src_val);
+ ret = (dest_val >= 0);
+ } else if (dest_format == GST_FORMAT_BYTES) {
+ dest_val = src_val * DVD_VIDEO_LB_LEN;
+ ret = TRUE;
+ } else {
+ ret = FALSE;
+ }
+ } else if (src_format == title_format) {
+ /* TITLE => xyz */
+ if (dest_format == GST_FORMAT_TIME) {
+ /* not really true, but we use this to trick the base source into
+ * handling seeks in title-format for us (the source won't know that
+ * we changed the title in this case) (changing titles should really
+ * be done with an interface rather than a seek, but for now we're
+ * stuck with this mechanism. Fix in 0.11) */
+ dest_val = (GstClockTime) 0;
+ ret = TRUE;
+ } else {
+ ret = FALSE;
+ }
+ } else if (src_format == chapter_format) {
+ /* CHAPTER => xyz */
+ if (dest_format == GST_FORMAT_TIME) {
+ if (src->num_chapters >= 0 && src_val < src->num_chapters) {
+ dest_val = src->chapter_starts[src_val];
+ ret = TRUE;
+ }
+ } else if (dest_format == sector_format) {
+ } else {
+ ret = FALSE;
+ }
+ } else if (src_format == GST_FORMAT_TIME) {
+ /* TIME => xyz */
+ if (dest_format == sector_format || dest_format == GST_FORMAT_BYTES) {
+ dest_val = gst_dvd_read_src_get_sector_from_time (src, src_val);
+ ret = (dest_val >= 0);
+ if (dest_format == GST_FORMAT_BYTES)
+ dest_val *= DVD_VIDEO_LB_LEN;
+ } else if (dest_format == chapter_format) {
+ if (src->chapter_starts != NULL) {
+ gint i;
+
+ for (i = src->num_chapters - 1; i >= 0; --i) {
+ if (src->chapter_starts && src->chapter_starts[i] >= src_val) {
+ dest_val = i;
+ ret = TRUE;
+ break;
+ }
+ }
+ } else {
+ ret = FALSE;
+ }
+ } else {
+ ret = FALSE;
+ }
+ } else {
+ ret = FALSE;
+ }
+
+done:
+
+ if (ret) {
+ gst_query_set_convert (query, src_format, src_val, dest_format, dest_val);
+ }
+
+ return ret;
+}
+
static gboolean
gst_dvd_read_src_src_query (GstBaseSrc * basesrc, GstQuery * query)
{
res = gst_dvd_read_src_do_position_query (src, query);
GST_OBJECT_UNLOCK (src);
break;
+ case GST_QUERY_CONVERT:
+ GST_OBJECT_LOCK (src);
+ res = gst_dvd_read_src_do_convert_query (src, query);
+ GST_OBJECT_UNLOCK (src);
+ break;
default:
res = GST_BASE_SRC_CLASS (parent_class)->query (basesrc, query);
break;
gst_dvd_read_src_goto_sector (GstDvdReadSrc * src, int angle)
{
gint seek_to = src->cur_pack;
- gint chapter, sectors, next, cur, i;
+ gint chapter, next, cur, i;
/* retrieve position */
src->cur_pack = 0;
+ GST_DEBUG_OBJECT (src, "Goto sector %d, angle %d, within %d chapters",
+ seek_to, angle, src->num_chapters);
+
for (i = 0; i < src->num_chapters; i++) {
gint c1, c2;
cur_title_get_chapter_bounds (src, i, &c1, &c2);
+ GST_DEBUG_OBJECT (src, " Looking in chapter %d, bounds: %d %d", 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;
+ gint first = src->cur_pgc->cell_playback[cur].first_sector;
+ gint last = src->cur_pgc->cell_playback[cur].last_sector;
+ GST_DEBUG_OBJECT (src, "Cell %d sector bounds: %d %d", cur, first, last);
+ /* seeking to 0 should end up at first chapter in any case */
+ if ((seek_to >= first && seek_to <= last) || (seek_to == 0 && i == 0)) {
+ GST_DEBUG_OBJECT (src, "Seek target found in chapter %d", i);
+ chapter = i;
+ goto done;
}
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);
+ next = gst_dvd_read_src_get_next_cell (src, src->cur_pgc, 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;
+ {
+ /* 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 + 1, 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;
+ return TRUE;
+ }
}
static gchar **
gst_dvd_read_src_uri_get_protocols (void)
{
- static gchar *protocols[] = { "dvd", NULL };
+ static gchar *protocols[] = { (gchar *) "dvd", NULL };
return protocols;
}
{
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->title, src->chapter, src->angle);
+ 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;
}
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:
- if (val != src->title) {
- src->title = val;
- src->new_seek = TRUE;
- }
+ src->uri_title = val;
break;
case 1:
- if (val != src->chapter) {
- src->chapter = val;
- src->new_seek = TRUE;
- }
+ src->uri_chapter = val;
break;
case 2:
- src->angle = val;
+ src->uri_angle = val;
break;
}
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);
}
GST_DEBUG_CATEGORY_INIT (gstgst_dvd_read_src_debug, "dvdreadsrc", 0,
"DVD reader element based on dvdreadsrc");
+#ifdef ENABLE_NLS
+ GST_DEBUG ("binding text domain %s to locale dir %s", GETTEXT_PACKAGE,
+ LOCALEDIR);
+ bindtextdomain (GETTEXT_PACKAGE, LOCALEDIR);
+ bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
+#endif /* ENABLE_NLS */
+
if (!gst_element_register (plugin, "dvdreadsrc", GST_RANK_SECONDARY,
GST_TYPE_DVD_READ_SRC)) {
return FALSE;
GST_VERSION_MINOR,
"dvdread",
"Access a DVD with dvdread",
- plugin_init, VERSION, "GPL", GST_PACKAGE, GST_ORIGIN)
+ plugin_init, VERSION, "GPL", GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN);