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gstreamer/ext/resindvd/resindvdsrc.c
Jan Schmidt e74c4fe4c7 ext/resindvd/resindvdsrc.*: Better fix for #546319 and similar cases by explicitly registering when we're in playing ... 
Original commit message from CVS:
* ext/resindvd/resindvdsrc.c:
* ext/resindvd/resindvdsrc.h:
Better fix for #546319 and similar cases by explicitly
registering when we're in playing state or not.
2008-10-30 13:38:19 +00:00

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/* GStreamer
* Copyright (C) 2008 Jan Schmidt <thaytan@noraisin.net>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <string.h>
#include <gst/gst.h>
#include <gst/gst-i18n-plugin.h>
#include "resindvdsrc.h"
GST_DEBUG_CATEGORY_STATIC (rsndvdsrc_debug);
#define GST_CAT_DEFAULT rsndvdsrc_debug
#define DEFAULT_DEVICE "/dev/dvd"
#define GST_FLOW_WOULD_BLOCK GST_FLOW_CUSTOM_SUCCESS
#define CLOCK_BASE 9LL
#define CLOCK_FREQ CLOCK_BASE * 10000
#define MPEGTIME_TO_GSTTIME(time) (gst_util_uint64_scale ((time), \
GST_MSECOND/10, CLOCK_BASE))
#define GSTTIME_TO_MPEGTIME(time) (gst_util_uint64_scale ((time), \
CLOCK_BASE, GST_MSECOND/10))
typedef enum
{
RSN_NAV_RESULT_NONE,
RSN_NAV_RESULT_HIGHLIGHT,
RSN_NAV_RESULT_BRANCH
} RsnNavResult;
typedef enum
{
RSN_NAV_ACTION_ACTIVATE,
RSN_NAV_ACTION_LEFT,
RSN_NAV_ACTION_RIGHT,
RSN_NAV_ACTION_DOWN,
RSN_NAV_ACTION_UP
} RsnNavAction;
enum
{
/* FILL ME */
LAST_SIGNAL
};
enum
{
ARG_0,
ARG_DEVICE
};
typedef struct
{
GstBuffer *buffer;
GstClockTime ts;
GstClockTime running_ts;
} RsnDvdPendingNav;
static GstStaticPadTemplate src_factory = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("application/x-resin-dvd")
);
/* Private seek format for private flushing */
static GstFormat rsndvd_format;
/* Title/chapter formats */
static GstFormat title_format;
static GstFormat chapter_format;
static void rsn_dvdsrc_register_extra (GType rsn_dvdsrc_type);
GST_BOILERPLATE_FULL (resinDvdSrc, rsn_dvdsrc, RsnPushSrc,
RSN_TYPE_PUSH_SRC, rsn_dvdsrc_register_extra);
static gboolean read_vts_info (resinDvdSrc * src);
static void rsn_dvdsrc_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void rsn_dvdsrc_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static void rsn_dvdsrc_finalize (GObject * object);
static gboolean rsn_dvdsrc_start (RsnBaseSrc * bsrc);
static gboolean rsn_dvdsrc_stop (RsnBaseSrc * bsrc);
static gboolean rsn_dvdsrc_unlock (RsnBaseSrc * bsrc);
static gboolean rsn_dvdsrc_unlock_stop (RsnBaseSrc * bsrc);
static gboolean rsn_dvdsrc_is_seekable (RsnBaseSrc * bsrc);
static gboolean rsn_dvdsrc_prepare_seek (RsnBaseSrc * bsrc, GstEvent * event,
GstSegment * segment);
static gboolean rsn_dvdsrc_do_seek (RsnBaseSrc * bsrc, GstSegment * segment);
static GstStateChangeReturn
rsn_dvdsrc_change_state (GstElement * element, GstStateChange transition);
static void rsn_dvdsrc_prepare_spu_stream_event (resinDvdSrc * src,
guint8 phys_stream, gboolean forced_only);
static void rsn_dvdsrc_prepare_audio_stream_event (resinDvdSrc * src,
guint8 phys_stream);
static gboolean rsn_dvdsrc_prepare_streamsinfo_event (resinDvdSrc * src);
static void rsn_dvdsrc_prepare_clut_change_event (resinDvdSrc * src,
const guint32 * clut);
static void rsn_dvdsrc_update_highlight (resinDvdSrc * src);
static void rsn_dvdsrc_enqueue_nav_block (resinDvdSrc * src,
GstBuffer * nav_buf, GstClockTime ts);
static void rsn_dvdsrc_activate_nav_block (resinDvdSrc * src,
GstBuffer * nav_buf);
static void rsn_dvdsrc_clear_nav_blocks (resinDvdSrc * src);
static void rsn_dvdsrc_check_nav_blocks (resinDvdSrc * src);
static void rsn_dvdsrc_schedule_nav_cb (resinDvdSrc * src,
RsnDvdPendingNav * next_nav);
static GstFlowReturn rsn_dvdsrc_create (RsnPushSrc * psrc, GstBuffer ** buf);
static gboolean rsn_dvdsrc_src_event (RsnBaseSrc * basesrc, GstEvent * event);
static gboolean rsn_dvdsrc_src_query (RsnBaseSrc * basesrc, GstQuery * query);
static GstClockTime ifotime_to_gsttime (dvd_time_t * ifo_time);
static GstClockTime
ifotime_to_gsttime (dvd_time_t * ifo_time)
{
GstClockTime ts;
guint frames;
ts = 3600 * GST_SECOND * ifo_time->hour;
ts += 60 * GST_SECOND * ifo_time->minute;
ts += GST_SECOND * ifo_time->second;
frames = ((ifo_time->frame_u >> 4) & 0x3) * 10;
frames += (ifo_time->frame_u & 0xf);
if (ifo_time->frame_u & 0x80)
ts += GST_SECOND * frames / 30;
else
ts += GST_SECOND * frames / 25;
return ts;
}
static void
rsn_dvdsrc_register_extra (GType rsn_dvdsrc_type)
{
GST_DEBUG_CATEGORY_INIT (rsndvdsrc_debug, "rsndvdsrc", 0,
"Resin DVD source element based on libdvdnav");
rsndvd_format = gst_format_register ("rsndvdsrc-internal",
"private Resin DVD src format");
title_format = gst_format_register ("title", "DVD title format");
chapter_format = gst_format_register ("chapter", "DVD chapter format");
}
static void
rsn_dvdsrc_base_init (gpointer gclass)
{
static GstElementDetails element_details = {
"Resin DVD Src",
"Source/DVD",
"DVD source element",
"Jan Schmidt <thaytan@noraisin.net>"
};
GstElementClass *element_class = GST_ELEMENT_CLASS (gclass);
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&src_factory));
gst_element_class_set_details (element_class, &element_details);
}
static void
rsn_dvdsrc_class_init (resinDvdSrcClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
RsnBaseSrcClass *gstbasesrc_class;
RsnPushSrcClass *gstpush_src_class;
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
gstbasesrc_class = GST_BASE_SRC_CLASS (klass);
gstpush_src_class = GST_PUSH_SRC_CLASS (klass);
gobject_class->finalize = rsn_dvdsrc_finalize;
gobject_class->set_property = rsn_dvdsrc_set_property;
gobject_class->get_property = rsn_dvdsrc_get_property;
gstelement_class->change_state = rsn_dvdsrc_change_state;
gstbasesrc_class->start = GST_DEBUG_FUNCPTR (rsn_dvdsrc_start);
gstbasesrc_class->stop = GST_DEBUG_FUNCPTR (rsn_dvdsrc_stop);
gstbasesrc_class->unlock = GST_DEBUG_FUNCPTR (rsn_dvdsrc_unlock);
gstbasesrc_class->unlock_stop = GST_DEBUG_FUNCPTR (rsn_dvdsrc_unlock_stop);
gstbasesrc_class->event = GST_DEBUG_FUNCPTR (rsn_dvdsrc_src_event);
gstbasesrc_class->query = GST_DEBUG_FUNCPTR (rsn_dvdsrc_src_query);
gstbasesrc_class->is_seekable = GST_DEBUG_FUNCPTR (rsn_dvdsrc_is_seekable);
gstbasesrc_class->prepare_seek_segment =
GST_DEBUG_FUNCPTR (rsn_dvdsrc_prepare_seek);
gstbasesrc_class->do_seek = GST_DEBUG_FUNCPTR (rsn_dvdsrc_do_seek);
gstpush_src_class->create = GST_DEBUG_FUNCPTR (rsn_dvdsrc_create);
g_object_class_install_property (gobject_class, ARG_DEVICE,
g_param_spec_string ("device", "Device", "DVD device location",
NULL, G_PARAM_READWRITE));
}
static void
rsn_dvdsrc_init (resinDvdSrc * rsndvdsrc, resinDvdSrcClass * gclass)
{
rsndvdsrc->device = g_strdup (DEFAULT_DEVICE);
rsndvdsrc->dvd_lock = g_mutex_new ();
rsndvdsrc->branch_lock = g_mutex_new ();
rsndvdsrc->branching = FALSE;
rsndvdsrc->still_cond = g_cond_new ();
rsn_base_src_set_format (GST_BASE_SRC (rsndvdsrc), GST_FORMAT_TIME);
}
static void
rsn_dvdsrc_finalize (GObject * object)
{
resinDvdSrc *src = RESINDVDSRC (object);
g_mutex_free (src->dvd_lock);
g_mutex_free (src->branch_lock);
g_cond_free (src->still_cond);
gst_buffer_replace (&src->alloc_buf, NULL);
gst_buffer_replace (&src->next_buf, NULL);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static gboolean
rsn_dvdsrc_unlock (RsnBaseSrc * bsrc)
{
resinDvdSrc *src = RESINDVDSRC (bsrc);
g_mutex_lock (src->branch_lock);
src->branching = TRUE;
g_cond_broadcast (src->still_cond);
g_mutex_unlock (src->branch_lock);
return TRUE;
}
static gboolean
rsn_dvdsrc_unlock_stop (RsnBaseSrc * bsrc)
{
resinDvdSrc *src = RESINDVDSRC (bsrc);
g_mutex_lock (src->branch_lock);
src->branching = FALSE;
g_mutex_unlock (src->branch_lock);
return TRUE;
}
static void
rsn_dvdsrc_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
resinDvdSrc *src = RESINDVDSRC (object);
switch (prop_id) {
case ARG_DEVICE:
GST_OBJECT_LOCK (src);
g_free (src->device);
if (g_value_get_string (value) == NULL)
src->device = g_strdup (DEFAULT_DEVICE);
else
src->device = g_value_dup_string (value);
GST_OBJECT_UNLOCK (src);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
rsn_dvdsrc_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
resinDvdSrc *src = RESINDVDSRC (object);
switch (prop_id) {
case ARG_DEVICE:
GST_OBJECT_LOCK (src);
g_value_set_string (value, src->device);
GST_OBJECT_UNLOCK (src);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static gboolean
rsn_dvdsrc_start (RsnBaseSrc * bsrc)
{
resinDvdSrc *src = RESINDVDSRC (bsrc);
g_mutex_lock (src->dvd_lock);
if (!read_vts_info (src)) {
GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ,
(_("Could not read title information for DVD.")), GST_ERROR_SYSTEM);
goto fail;
}
if (dvdnav_open (&src->dvdnav, src->device) != DVDNAV_STATUS_OK) {
GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ, (NULL),
(_("Failed to open DVD device '%s'."), src->device));
goto fail;
}
src->running = TRUE;
src->branching = FALSE;
src->discont = TRUE;
src->need_segment = TRUE;
src->cur_position = GST_CLOCK_TIME_NONE;
src->pgc_duration = GST_CLOCK_TIME_NONE;
src->cur_start_ts = GST_CLOCK_TIME_NONE;
src->cur_end_ts = GST_CLOCK_TIME_NONE;
src->cur_vobu_base_ts = GST_CLOCK_TIME_NONE;
src->vts_n = 0;
src->in_menu = FALSE;
src->active_button = -1;
src->cur_spu_phys_stream = -1;
src->cur_spu_forced_only = FALSE;
memset (src->cur_clut, 0, sizeof (guint32) * 16);
src->cur_audio_phys_stream = -1;
g_mutex_unlock (src->dvd_lock);
return TRUE;
fail:
if (src->dvdnav) {
dvdnav_close (src->dvdnav);
src->dvdnav = NULL;
}
g_mutex_unlock (src->dvd_lock);
return FALSE;
}
/* Use libdvdread to read and cache info from the IFO file about
* streams in each VTS */
static gboolean
read_vts_info (resinDvdSrc * src)
{
gint i;
gint n_vts;
if (src->vts_attrs) {
g_array_free (src->vts_attrs, TRUE);
src->vts_attrs = NULL;
}
if (src->dvdread)
DVDClose (src->dvdread);
src->dvdread = DVDOpen (src->device);
if (src->dvdread == NULL)
return FALSE;
if (!(src->vmg_file = ifoOpen (src->dvdread, 0))) {
GST_ERROR ("Can't open VMG ifo");
return FALSE;
}
n_vts = src->vmg_file->vts_atrt->nr_of_vtss;
memcpy (&src->vmgm_attr, src->vmg_file->vmgi_mat, sizeof (vmgi_mat_t));
GST_DEBUG ("Reading IFO info for %d VTSs", n_vts);
src->vts_attrs =
g_array_sized_new (FALSE, TRUE, sizeof (vtsi_mat_t), n_vts + 1);
if (!src->vts_attrs)
return FALSE;
g_array_set_size (src->vts_attrs, n_vts + 1);
for (i = 1; i <= n_vts; i++) {
ifo_handle_t *ifo = ifoOpen (src->dvdread, i);
if (!ifo) {
GST_ERROR ("Can't open VTS %d", i);
return FALSE;
}
GST_DEBUG ("VTS %d, Menu has %d audio %d subpictures. "
"Title has %d and %d", i,
ifo->vtsi_mat->nr_of_vtsm_audio_streams,
ifo->vtsi_mat->nr_of_vtsm_subp_streams,
ifo->vtsi_mat->nr_of_vts_audio_streams,
ifo->vtsi_mat->nr_of_vts_subp_streams);
memcpy (&g_array_index (src->vts_attrs, vtsi_mat_t, i),
ifo->vtsi_mat, sizeof (vtsi_mat_t));
ifoClose (ifo);
}
return TRUE;
}
static gboolean
rsn_dvdsrc_stop (RsnBaseSrc * bsrc)
{
resinDvdSrc *src = RESINDVDSRC (bsrc);
gboolean ret = TRUE;
g_mutex_lock (src->dvd_lock);
if (src->nav_clock_id) {
gst_clock_id_unschedule (src->nav_clock_id);
gst_clock_id_unref (src->nav_clock_id);
src->nav_clock_id = NULL;
}
rsn_dvdsrc_clear_nav_blocks (src);
src->have_pci = FALSE;
/* Clear any allocated output buffer */
gst_buffer_replace (&src->alloc_buf, NULL);
gst_buffer_replace (&src->next_buf, NULL);
src->running = FALSE;
if (src->streams_event) {
gst_event_unref (src->streams_event);
src->streams_event = NULL;
}
if (src->clut_event) {
gst_event_unref (src->clut_event);
src->clut_event = NULL;
}
if (src->spu_select_event) {
gst_event_unref (src->spu_select_event);
src->spu_select_event = NULL;
}
if (src->audio_select_event) {
gst_event_unref (src->audio_select_event);
src->audio_select_event = NULL;
}
if (src->highlight_event) {
gst_event_unref (src->highlight_event);
src->highlight_event = NULL;
}
if (src->dvdnav) {
if (dvdnav_close (src->dvdnav) != DVDNAV_STATUS_OK) {
GST_ELEMENT_ERROR (src, RESOURCE, CLOSE, (NULL),
("dvdnav_close failed: %s", dvdnav_err_to_string (src->dvdnav)));
ret = FALSE;
}
src->dvdnav = NULL;
}
if (src->vmg_file) {
ifoClose (src->vmg_file);
src->vmg_file = NULL;
}
if (src->vts_file) {
ifoClose (src->vts_file);
src->vts_file = NULL;
}
if (src->dvdread) {
DVDClose (src->dvdread);
src->dvdread = NULL;
}
g_mutex_unlock (src->dvd_lock);
return ret;
}
/* handle still events. Call with dvd_lock */
static gboolean
rsn_dvdsrc_do_still (resinDvdSrc * src, int duration)
{
GstEvent *still_event;
GstEvent *hl_event;
GstStructure *s;
GstEvent *seg_event;
GstSegment *segment = &(GST_BASE_SRC (src)->segment);
if (src->in_still_state == FALSE) {
g_print ("**** STILL FRAME. Duration %d ****\n", duration);
/* Send a close-segment event, and a dvd-still start
* event, then sleep */
s = gst_structure_new ("application/x-gst-dvd",
"event", G_TYPE_STRING, "dvd-still",
"still-state", G_TYPE_BOOLEAN, TRUE, NULL);
still_event = gst_event_new_custom (GST_EVENT_CUSTOM_DOWNSTREAM, s);
gst_segment_set_last_stop (segment, GST_FORMAT_TIME, src->cur_end_ts);
seg_event = gst_event_new_new_segment_full (TRUE,
segment->rate, segment->applied_rate, segment->format,
segment->start, segment->last_stop, segment->time);
/* Grab any pending highlight event to send too */
hl_event = src->highlight_event;
src->highlight_event = NULL;
/* Now, send the events. We need to drop the dvd lock while doing so,
* and then check after if we got flushed */
g_mutex_unlock (src->dvd_lock);
gst_pad_push_event (GST_BASE_SRC_PAD (src), still_event);
gst_pad_push_event (GST_BASE_SRC_PAD (src), seg_event);
if (hl_event) {
g_print ("Sending highlight event before still\n");
gst_pad_push_event (GST_BASE_SRC_PAD (src), hl_event);
}
g_mutex_lock (src->dvd_lock);
g_mutex_lock (src->branch_lock);
src->in_still_state = TRUE;
} else {
GST_DEBUG_OBJECT (src, "Re-entering still wait");
g_mutex_lock (src->branch_lock);
}
if (src->branching) {
GST_INFO_OBJECT (src, "Branching - aborting still");
g_mutex_unlock (src->branch_lock);
return TRUE;
}
if (duration == 255) {
/*
* The only way to get woken from this still is by a flushing
* seek or a user action. Either one will clear the still, so
* don't skip it
*/
src->need_segment = TRUE;
g_mutex_unlock (src->dvd_lock);
GST_LOG_OBJECT (src, "Entering cond_wait still");
g_cond_wait (src->still_cond, src->branch_lock);
GST_LOG_OBJECT (src, "cond_wait still over, branching = %d",
src->branching);
if (src->branching) {
g_mutex_unlock (src->branch_lock);
g_mutex_lock (src->dvd_lock);
return TRUE;
}
src->in_still_state = FALSE;
g_mutex_unlock (src->branch_lock);
g_mutex_lock (src->dvd_lock);
} else {
GTimeVal end_time;
gboolean was_signalled;
g_get_current_time (&end_time);
g_time_val_add (&end_time, duration * G_USEC_PER_SEC);
/* FIXME: Implement timed stills by sleeping on the clock, possibly
* in multiple steps if we get paused/unpaused */
g_mutex_unlock (src->dvd_lock);
GST_LOG_OBJECT (src, "cond_timed_wait still");
was_signalled =
g_cond_timed_wait (src->still_cond, src->branch_lock, &end_time);
was_signalled |= src->branching;
g_mutex_unlock (src->branch_lock);
g_mutex_lock (src->dvd_lock);
if (was_signalled) {
/* Signalled - must be flushing */
GST_LOG_OBJECT (src,
"cond_timed_wait still over. Signalled, branching = %d",
src->branching);
return TRUE;
}
/* Else timed out, end the still */
GST_DEBUG_OBJECT (src,
"Timed still of %d secs over, calling dvdnav_still_skip", duration);
if (dvdnav_still_skip (src->dvdnav) != DVDNAV_STATUS_OK) {
return FALSE;
}
/* Tell downstream the still is over.
* Later: We'll only do this if the still isn't interrupted: */
s = gst_structure_new ("application/x-gst-dvd",
"event", G_TYPE_STRING, "dvd-still",
"still-state", G_TYPE_BOOLEAN, FALSE, NULL);
still_event = gst_event_new_custom (GST_EVENT_CUSTOM_DOWNSTREAM, s);
g_mutex_unlock (src->dvd_lock);
gst_pad_push_event (GST_BASE_SRC_PAD (src), still_event);
g_mutex_lock (src->dvd_lock);
}
return TRUE;
}
static GstFlowReturn
rsn_dvdsrc_step (resinDvdSrc * src, gboolean have_dvd_lock)
{
GstFlowReturn ret = GST_FLOW_OK;
dvdnav_status_t dvdnav_ret;
guint8 *data;
gint event, len;
/* Allocate an output buffer if there isn't a pending one */
if (src->alloc_buf == NULL)
src->alloc_buf = gst_buffer_new_and_alloc (DVD_VIDEO_LB_LEN);
data = GST_BUFFER_DATA (src->alloc_buf);
len = DVD_VIDEO_LB_LEN;
dvdnav_ret = dvdnav_get_next_block (src->dvdnav, data, &event, &len);
if (dvdnav_ret != DVDNAV_STATUS_OK)
goto read_error;
g_mutex_lock (src->branch_lock);
if (src->branching)
goto branching;
g_mutex_unlock (src->branch_lock);
switch (event) {
case DVDNAV_BLOCK_OK:
/* Data block that needs outputting */
src->next_buf = src->alloc_buf;
src->next_is_nav_block = FALSE;
src->next_nav_ts = GST_CLOCK_TIME_NONE;
src->alloc_buf = NULL;
src->in_still_state = FALSE;
break;
case DVDNAV_NAV_PACKET:
{
pci_t *pci = dvdnav_get_current_nav_pci (src->dvdnav);
GstClockTime new_start_ptm = MPEGTIME_TO_GSTTIME (pci->pci_gi.vobu_s_ptm);
GstClockTime new_end_ptm = MPEGTIME_TO_GSTTIME (pci->pci_gi.vobu_e_ptm);
GstClockTimeDiff new_base_time = ifotime_to_gsttime (&pci->pci_gi.e_eltm);
gboolean discont = FALSE;
src->in_still_state = FALSE;
if (new_start_ptm != src->cur_end_ts)
discont = TRUE;
GST_LOG_OBJECT (src, "NAV packet start TS %" GST_TIME_FORMAT
" end TS %" GST_TIME_FORMAT " base %" G_GINT64_FORMAT " %s",
GST_TIME_ARGS (new_start_ptm), GST_TIME_ARGS (new_end_ptm),
new_base_time, discont ? "discont" : "");
#if 0
g_print ("NAV packet start TS %" GST_TIME_FORMAT
" end TS %" GST_TIME_FORMAT " base %" G_GINT64_FORMAT " %s\n",
GST_TIME_ARGS (new_start_ptm), GST_TIME_ARGS (new_end_ptm),
new_base_time, discont ? "discont" : "");
#endif
if (discont) {
g_print ("NAV packet discont: cur_end_ts %" GST_TIME_FORMAT " != "
" vobu_start_ptm: %" GST_TIME_FORMAT " base %" GST_TIME_FORMAT
"\n",
GST_TIME_ARGS (src->cur_end_ts),
GST_TIME_ARGS (new_start_ptm), GST_TIME_ARGS (new_base_time));
src->need_segment = TRUE;
}
src->cur_start_ts = new_start_ptm;
src->cur_end_ts = new_end_ptm;
src->cur_vobu_base_ts = new_base_time;
/* NAV packet is also a data block that needs sending */
src->next_buf = src->alloc_buf;
src->alloc_buf = NULL;
if (!src->have_pci || pci->hli.hl_gi.hli_ss != 2) {
/* Store the nav packet for activation at the right moment
* if we don't have a packet yet or the info has changed (hli_ss != 2)
*/
if (pci->hli.hl_gi.hli_s_ptm != 0)
new_start_ptm = MPEGTIME_TO_GSTTIME (pci->hli.hl_gi.hli_s_ptm);
src->next_is_nav_block = TRUE;
src->next_nav_ts = new_start_ptm;
GST_LOG_OBJECT (src, "Storing NAV pack with TS %" GST_TIME_FORMAT,
GST_TIME_ARGS (src->next_nav_ts));
} else {
src->next_is_nav_block = FALSE;
src->next_nav_ts = GST_CLOCK_TIME_NONE;
}
break;
}
case DVDNAV_STOP:
/* End of the disc. EOS */
dvdnav_reset (src->dvdnav);
ret = GST_FLOW_UNEXPECTED;
break;
case DVDNAV_STILL_FRAME:
{
dvdnav_still_event_t *info = (dvdnav_still_event_t *) data;
if (!have_dvd_lock) {
/* At a still frame but can't block, handle it later */
return GST_FLOW_WOULD_BLOCK;
}
if (!rsn_dvdsrc_do_still (src, info->length))
goto internal_error;
g_mutex_lock (src->branch_lock);
if (src->branching)
goto branching;
g_mutex_unlock (src->branch_lock);
break;
}
case DVDNAV_WAIT:
/* Drain out the queues so that the info on the screen matches
* the VM state */
if (have_dvd_lock) {
/* FIXME: Drain out the queues */
g_print ("****** FIXME: WAIT *****\n");
}
if (dvdnav_wait_skip (src->dvdnav) != DVDNAV_STATUS_OK)
goto internal_error;
break;
case DVDNAV_CELL_CHANGE:{
dvdnav_cell_change_event_t *event = (dvdnav_cell_change_event_t *) data;
src->pgc_duration = MPEGTIME_TO_GSTTIME (event->pgc_length);
src->cur_position = MPEGTIME_TO_GSTTIME (event->cell_start);
GST_DEBUG_OBJECT (src,
"CELL change dur now %" GST_TIME_FORMAT " position now %"
GST_TIME_FORMAT, GST_TIME_ARGS (src->pgc_duration),
GST_TIME_ARGS (src->cur_position));
break;
}
case DVDNAV_SPU_CLUT_CHANGE:
rsn_dvdsrc_prepare_clut_change_event (src, (const guint32 *) data);
break;
case DVDNAV_VTS_CHANGE:{
dvdnav_vts_change_event_t *event = (dvdnav_vts_change_event_t *) data;
if (dvdnav_is_domain_vmgm (src->dvdnav))
src->vts_n = 0;
else
src->vts_n = event->new_vtsN;
src->in_menu = !dvdnav_is_domain_vtsm (src->dvdnav);
if (!dvdnav_is_domain_fp (src->dvdnav))
rsn_dvdsrc_prepare_streamsinfo_event (src);
break;
}
case DVDNAV_AUDIO_STREAM_CHANGE:{
dvdnav_audio_stream_change_event_t *event =
(dvdnav_audio_stream_change_event_t *) data;
GST_DEBUG_OBJECT (src, " physical: %d", event->physical);
GST_DEBUG_OBJECT (src, " logical: %d", event->logical);
rsn_dvdsrc_prepare_audio_stream_event (src, event->physical);
break;
}
case DVDNAV_SPU_STREAM_CHANGE:{
dvdnav_spu_stream_change_event_t *event =
(dvdnav_spu_stream_change_event_t *) data;
gint phys_track = event->physical_wide & 0x1f;
gboolean forced_only = (event->physical_wide & 0x80) ? TRUE : FALSE;
rsn_dvdsrc_prepare_spu_stream_event (src, phys_track, forced_only);
GST_DEBUG_OBJECT (src, " physical_wide: %d", event->physical_wide);
GST_DEBUG_OBJECT (src, " physical_letterbox: %d",
event->physical_letterbox);
GST_DEBUG_OBJECT (src, " physical_pan_scan: %d",
event->physical_pan_scan);
GST_DEBUG_OBJECT (src, " logical: %d", event->logical);
break;
}
case DVDNAV_HIGHLIGHT:{
rsn_dvdsrc_update_highlight (src);
break;
}
case DVDNAV_HOP_CHANNEL:
g_print ("Channel hop - User action\n");
src->need_segment = TRUE;
break;
case DVDNAV_NOP:
break;
default:
GST_WARNING_OBJECT (src, "Unknown dvdnav event %d", event);
break;
}
if (src->highlight_event && have_dvd_lock) {
GstEvent *hl_event = src->highlight_event;
src->highlight_event = NULL;
g_mutex_unlock (src->dvd_lock);
g_print ("Sending highlight event - button %d\n", src->active_button);
gst_pad_push_event (GST_BASE_SRC_PAD (src), hl_event);
g_mutex_lock (src->dvd_lock);
}
return ret;
read_error:
GST_ELEMENT_ERROR (src, RESOURCE, READ, (NULL),
("Failed to read next DVD block. Error: %s",
dvdnav_err_to_string (src->dvdnav)));
return GST_FLOW_ERROR;
internal_error:
GST_ELEMENT_ERROR (src, RESOURCE, READ, (NULL),
("Internal error processing DVD commands. Error: %s",
dvdnav_err_to_string (src->dvdnav)));
return GST_FLOW_ERROR;
branching:
g_mutex_unlock (src->branch_lock);
return GST_FLOW_WRONG_STATE;
}
static GstFlowReturn
rsn_dvdsrc_prepare_next_block (resinDvdSrc * src, gboolean have_dvd_lock)
{
GstFlowReturn ret;
/* If buffer already ready, return */
if (src->next_buf)
return GST_FLOW_OK;
do {
ret = rsn_dvdsrc_step (src, have_dvd_lock);
}
while (ret == GST_FLOW_OK && src->next_buf == NULL);
if (ret == GST_FLOW_WOULD_BLOCK)
ret = GST_FLOW_OK;
return ret;
}
static GstFlowReturn
rsn_dvdsrc_create (RsnPushSrc * psrc, GstBuffer ** outbuf)
{
resinDvdSrc *src = RESINDVDSRC (psrc);
GstSegment *segment = &(GST_BASE_SRC (src)->segment);
GstFlowReturn ret;
GstEvent *streams_event = NULL;
GstEvent *clut_event = NULL;
GstEvent *spu_select_event = NULL;
GstEvent *audio_select_event = NULL;
GstEvent *highlight_event = NULL;
*outbuf = NULL;
g_mutex_lock (src->dvd_lock);
ret = rsn_dvdsrc_prepare_next_block (src, TRUE);
if (ret != GST_FLOW_OK) {
g_mutex_unlock (src->dvd_lock);
return ret;
}
streams_event = src->streams_event;
src->streams_event = NULL;
spu_select_event = src->spu_select_event;
src->spu_select_event = NULL;
audio_select_event = src->audio_select_event;
src->audio_select_event = NULL;
clut_event = src->clut_event;
src->clut_event = NULL;
g_mutex_unlock (src->dvd_lock);
/* Push in-band events now that we've dropped the dvd_lock, before
* we change segment */
if (streams_event) {
g_print ("Pushing stream event\n");
gst_pad_push_event (GST_BASE_SRC_PAD (src), streams_event);
}
if (clut_event) {
g_print ("Pushing clut event\n");
gst_pad_push_event (GST_BASE_SRC_PAD (src), clut_event);
}
/* Out of band events */
if (spu_select_event) {
g_print ("Pushing spu_select event\n");
gst_pad_push_event (GST_BASE_SRC_PAD (src), spu_select_event);
}
if (audio_select_event) {
g_print ("Pushing audio_select event\n");
gst_pad_push_event (GST_BASE_SRC_PAD (src), audio_select_event);
}
if (src->need_segment) {
/* Seamless segment update */
GstEvent *seek;
seek = gst_event_new_seek (segment->rate, rsndvd_format,
GST_SEEK_FLAG_NONE, GST_SEEK_TYPE_NONE, -1, GST_SEEK_TYPE_NONE, -1);
gst_element_send_event (GST_ELEMENT (src), seek);
src->need_segment = FALSE;
}
g_mutex_lock (src->dvd_lock);
if (src->cur_end_ts != GST_CLOCK_TIME_NONE)
gst_segment_set_last_stop (segment, GST_FORMAT_TIME, src->cur_end_ts);
if (src->next_buf != NULL) {
/* Now that we're in the new segment, we can enqueue any nav packet
* correctly */
if (src->next_is_nav_block) {
rsn_dvdsrc_enqueue_nav_block (src, src->next_buf, src->next_nav_ts);
src->next_is_nav_block = FALSE;
}
*outbuf = src->next_buf;
src->next_buf = NULL;
if (src->discont) {
g_print ("Discont packet\n");
GST_BUFFER_FLAG_SET (*outbuf, GST_BUFFER_FLAG_DISCONT);
src->discont = FALSE;
}
}
highlight_event = src->highlight_event;
src->highlight_event = NULL;
/* Schedule a clock callback for the any pending nav packet */
rsn_dvdsrc_check_nav_blocks (src);
g_mutex_unlock (src->dvd_lock);
if (highlight_event) {
g_print ("Pushing highlight event with TS %" GST_TIME_FORMAT "\n",
GST_TIME_ARGS (GST_EVENT_TIMESTAMP (highlight_event)));
gst_pad_push_event (GST_BASE_SRC_PAD (src), highlight_event);
}
return ret;
}
static RsnNavResult
rsn_dvdsrc_perform_button_action (resinDvdSrc * src, RsnNavAction action)
{
pci_t *pci;
RsnNavResult result = RSN_NAV_RESULT_NONE;
int button = 0;
btni_t *btn_info;
if (!src->have_pci)
return RSN_NAV_RESULT_NONE;
pci = &src->cur_pci;
if (pci->hli.hl_gi.hli_ss == 0)
return RSN_NAV_RESULT_NONE; /* No buttons at the moment */
dvdnav_get_current_highlight (src->dvdnav, &button);
if (button > pci->hli.hl_gi.btn_ns || button < 1)
return RSN_NAV_RESULT_NONE; /* No valid button */
btn_info = pci->hli.btnit + button - 1;
switch (action) {
case RSN_NAV_ACTION_ACTIVATE:
if (dvdnav_button_activate (src->dvdnav, pci) == DVDNAV_STATUS_OK)
result = RSN_NAV_RESULT_BRANCH;
break;
case RSN_NAV_ACTION_LEFT:
if (dvdnav_left_button_select (src->dvdnav, pci) == DVDNAV_STATUS_OK) {
if (btn_info->left &&
pci->hli.btnit[btn_info->left - 1].auto_action_mode)
result = RSN_NAV_RESULT_BRANCH;
else
result = RSN_NAV_RESULT_HIGHLIGHT;
}
break;
case RSN_NAV_ACTION_RIGHT:
if (dvdnav_right_button_select (src->dvdnav, pci) == DVDNAV_STATUS_OK) {
if (btn_info->right &&
pci->hli.btnit[btn_info->right - 1].auto_action_mode)
result = RSN_NAV_RESULT_BRANCH;
else
result = RSN_NAV_RESULT_HIGHLIGHT;
}
break;
case RSN_NAV_ACTION_DOWN:
if (dvdnav_lower_button_select (src->dvdnav, pci) == DVDNAV_STATUS_OK) {
if (btn_info->down &&
pci->hli.btnit[btn_info->down - 1].auto_action_mode)
result = RSN_NAV_RESULT_BRANCH;
else
result = RSN_NAV_RESULT_HIGHLIGHT;
}
break;
case RSN_NAV_ACTION_UP:
if (dvdnav_upper_button_select (src->dvdnav, pci) == DVDNAV_STATUS_OK) {
if (btn_info->up && pci->hli.btnit[btn_info->up - 1].auto_action_mode)
result = RSN_NAV_RESULT_BRANCH;
else
result = RSN_NAV_RESULT_HIGHLIGHT;
}
break;
}
if (result == RSN_NAV_RESULT_HIGHLIGHT)
g_cond_broadcast (src->still_cond);
return result;
}
static gboolean
rsn_dvdsrc_handle_navigation_event (resinDvdSrc * src, GstEvent * event)
{
const GstStructure *s = gst_event_get_structure (event);
const gchar *event_type;
gboolean channel_hop = FALSE;
gboolean have_lock = FALSE;
GstEvent *hl_event = NULL;
RsnNavResult nav_res = RSN_NAV_RESULT_NONE;
if (s == NULL)
return FALSE;
event_type = gst_structure_get_string (s, "event");
if (event_type == NULL)
return FALSE;
if (strcmp (event_type, "key-press") == 0) {
const gchar *key = gst_structure_get_string (s, "key");
if (key == NULL)
return FALSE;
GST_DEBUG ("dvdnavsrc got a keypress: %s", key);
g_mutex_lock (src->dvd_lock);
have_lock = TRUE;
if (!src->running)
goto not_running;
if (g_str_equal (key, "Return")) {
nav_res = rsn_dvdsrc_perform_button_action (src, RSN_NAV_ACTION_ACTIVATE);
} else if (g_str_equal (key, "Left")) {
nav_res = rsn_dvdsrc_perform_button_action (src, RSN_NAV_ACTION_LEFT);
} else if (g_str_equal (key, "Right")) {
nav_res = rsn_dvdsrc_perform_button_action (src, RSN_NAV_ACTION_RIGHT);
} else if (g_str_equal (key, "Up")) {
nav_res = rsn_dvdsrc_perform_button_action (src, RSN_NAV_ACTION_UP);
} else if (g_str_equal (key, "Down")) {
nav_res = rsn_dvdsrc_perform_button_action (src, RSN_NAV_ACTION_DOWN);
} else if (g_str_equal (key, "m")) {
if (dvdnav_menu_call (src->dvdnav, DVD_MENU_Escape) == DVDNAV_STATUS_OK)
channel_hop = TRUE;
} else if (g_str_equal (key, "t")) {
if (dvdnav_menu_call (src->dvdnav, DVD_MENU_Title) == DVDNAV_STATUS_OK)
channel_hop = TRUE;
} else if (g_str_equal (key, "r")) {
if (dvdnav_menu_call (src->dvdnav, DVD_MENU_Root) == DVDNAV_STATUS_OK)
channel_hop = TRUE;
} else if (g_str_equal (key, "comma")) {
gint title = 0;
gint part = 0;
if (dvdnav_current_title_info (src->dvdnav, &title, &part) && title > 0
&& part > 1) {
if (dvdnav_part_play (src->dvdnav, title, part - 1) ==
DVDNAV_STATUS_ERR)
dvdnav_prev_pg_search (src->dvdnav);
channel_hop = TRUE;
}
} else if (g_str_equal (key, "period")) {
dvdnav_next_pg_search (src->dvdnav);
channel_hop = TRUE;
} else {
g_print ("Unknown keypress: %s\n", key);
}
} else if (strcmp (event_type, "mouse-move") == 0) {
gdouble x, y;
if (!gst_structure_get_double (s, "pointer_x", &x) ||
!gst_structure_get_double (s, "pointer_y", &y))
return FALSE;
g_mutex_lock (src->dvd_lock);
have_lock = TRUE;
if (!src->running)
goto not_running;
if (src->have_pci &&
dvdnav_mouse_select (src->dvdnav, &src->cur_pci, (int) x, (int) y) ==
DVDNAV_STATUS_OK) {
nav_res = RSN_NAV_RESULT_HIGHLIGHT;
}
} else if (strcmp (event_type, "mouse-button-release") == 0) {
gdouble x, y;
if (!gst_structure_get_double (s, "pointer_x", &x) ||
!gst_structure_get_double (s, "pointer_y", &y))
return FALSE;
GST_DEBUG_OBJECT (src, "Got click at %g, %g", x, y);
g_mutex_lock (src->dvd_lock);
have_lock = TRUE;
if (!src->running)
goto not_running;
if (src->have_pci &&
dvdnav_mouse_activate (src->dvdnav, &src->cur_pci, (int) x, (int) y) ==
DVDNAV_STATUS_OK) {
nav_res = RSN_NAV_RESULT_BRANCH;
}
}
if (have_lock) {
if (nav_res != RSN_NAV_RESULT_NONE) {
if (nav_res == RSN_NAV_RESULT_BRANCH) {
src->active_highlight = TRUE;
channel_hop = TRUE;
}
rsn_dvdsrc_update_highlight (src);
}
if (channel_hop) {
GstEvent *seek;
g_print ("flush and jump\n");
g_mutex_lock (src->branch_lock);
src->branching = TRUE;
g_cond_broadcast (src->still_cond);
g_mutex_unlock (src->branch_lock);
hl_event = src->highlight_event;
src->highlight_event = NULL;
src->active_highlight = FALSE;
g_mutex_unlock (src->dvd_lock);
if (hl_event) {
g_print ("Highlight change - button: %d\n", src->active_button);
gst_pad_push_event (GST_BASE_SRC_PAD (src), hl_event);
}
/* Send ourselves a seek event to wake everything up and flush */
seek = gst_event_new_seek (1.0, rsndvd_format, GST_SEEK_FLAG_FLUSH,
GST_SEEK_TYPE_NONE, -1, GST_SEEK_TYPE_NONE, -1);
gst_element_send_event (GST_ELEMENT (src), seek);
g_mutex_lock (src->dvd_lock);
rsn_dvdsrc_update_highlight (src);
}
hl_event = src->highlight_event;
src->highlight_event = NULL;
g_mutex_unlock (src->dvd_lock);
if (hl_event) {
g_print ("Highlight change - button: %d\n", src->active_button);
gst_pad_push_event (GST_BASE_SRC_PAD (src), hl_event);
}
}
return TRUE;
not_running:
g_mutex_unlock (src->dvd_lock);
GST_DEBUG_OBJECT (src, "Element not started. Ignoring navigation event");
return FALSE;
}
static void
rsn_dvdsrc_prepare_audio_stream_event (resinDvdSrc * src, guint8 phys_stream)
{
GstStructure *s;
GstEvent *e;
if (phys_stream == src->cur_audio_phys_stream)
return;
src->cur_audio_phys_stream = phys_stream;
g_print ("Preparing audio change, phys %d\n", phys_stream);
s = gst_structure_new ("application/x-gst-dvd",
"event", G_TYPE_STRING, "dvd-set-audio-track",
"physical-id", G_TYPE_INT, (gint) phys_stream, NULL);
e = gst_event_new_custom (GST_EVENT_CUSTOM_DOWNSTREAM, s);
if (src->audio_select_event)
gst_event_unref (src->audio_select_event);
src->audio_select_event = e;
}
static void
rsn_dvdsrc_prepare_spu_stream_event (resinDvdSrc * src, guint8 phys_stream,
gboolean forced_only)
{
GstStructure *s;
GstEvent *e;
if (phys_stream == src->cur_spu_phys_stream &&
forced_only == src->cur_spu_forced_only) {
return;
}
src->cur_spu_phys_stream = phys_stream;
src->cur_spu_forced_only = forced_only;
g_print ("Preparing SPU change, phys %d forced %d\n",
phys_stream, forced_only);
s = gst_structure_new ("application/x-gst-dvd",
"event", G_TYPE_STRING, "dvd-set-subpicture-track",
"physical-id", G_TYPE_INT, (gint) phys_stream,
"forced-only", G_TYPE_BOOLEAN, forced_only, NULL);
e = gst_event_new_custom (GST_EVENT_CUSTOM_DOWNSTREAM, s);
if (src->spu_select_event)
gst_event_unref (src->spu_select_event);
src->spu_select_event = e;
}
static gboolean
rsn_dvdsrc_prepare_streamsinfo_event (resinDvdSrc * src)
{
vtsi_mat_t *vts_attr;
video_attr_t *v_attr;
audio_attr_t *a_attrs;
subp_attr_t *s_attrs;
gint n_audio, n_subp;
GstStructure *s;
GstEvent *e;
gint i;
gchar lang_code[3] = { '\0', '\0', '\0' };
gchar *t;
gboolean is_widescreen;
gboolean have_audio;
if (src->vts_attrs == NULL || src->vts_n >= src->vts_attrs->len) {
if (src->vts_attrs)
GST_ERROR_OBJECT (src, "No stream info for VTS %d (have %d)", src->vts_n,
src->vts_attrs->len);
else
GST_ERROR_OBJECT (src, "No stream info");
return FALSE;
}
if (src->vts_n == 0) {
/* VMGM info */
vts_attr = NULL;
v_attr = &src->vmgm_attr.vmgm_video_attr;
a_attrs = &src->vmgm_attr.vmgm_audio_attr;
n_audio = MIN (1, src->vmgm_attr.nr_of_vmgm_audio_streams);
s_attrs = &src->vmgm_attr.vmgm_subp_attr;
n_subp = MIN (1, src->vmgm_attr.nr_of_vmgm_subp_streams);
} else if (src->in_menu) {
/* VTSM attrs */
vts_attr = &g_array_index (src->vts_attrs, vtsi_mat_t, src->vts_n);
v_attr = &vts_attr->vtsm_video_attr;
a_attrs = &vts_attr->vtsm_audio_attr;
n_audio = vts_attr->nr_of_vtsm_audio_streams;
s_attrs = &vts_attr->vtsm_subp_attr;
n_subp = vts_attr->nr_of_vtsm_subp_streams;
} else {
/* VTS domain */
vts_attr = &g_array_index (src->vts_attrs, vtsi_mat_t, src->vts_n);
v_attr = &vts_attr->vts_video_attr;
a_attrs = vts_attr->vts_audio_attr;
n_audio = vts_attr->nr_of_vts_audio_streams;
s_attrs = vts_attr->vts_subp_attr;
n_subp = vts_attr->nr_of_vts_subp_streams;
}
/* build event */
s = gst_structure_new ("application/x-gst-dvd",
"event", G_TYPE_STRING, "dvd-lang-codes", NULL);
e = gst_event_new_custom (GST_EVENT_CUSTOM_DOWNSTREAM, s);
/* video */
is_widescreen = (v_attr->display_aspect_ratio != 0);
gst_structure_set (s, "video-pal-format", G_TYPE_BOOLEAN,
(v_attr->video_format != 0), NULL);
gst_structure_set (s, "video-widescreen", G_TYPE_BOOLEAN, is_widescreen,
NULL);
/* audio */
have_audio = FALSE;
for (i = 0; i < n_audio; i++) {
const audio_attr_t *a = a_attrs + i;
#if 1
/* FIXME: Only output A52 streams for now, until the decoder switching
* is ready */
if (a->audio_format != 0) {
GST_DEBUG_OBJECT (src, "Ignoring non-A52 stream %d, format %d", i,
(int) a->audio_format);
continue;
}
#endif
have_audio = TRUE;
t = g_strdup_printf ("audio-%d-format", i);
gst_structure_set (s, t, G_TYPE_INT, (int) a->audio_format, NULL);
g_free (t);
GST_DEBUG_OBJECT (src, "Audio stream %d is format %d", i,
(int) a->audio_format);
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);
GST_DEBUG_OBJECT (src, "Audio stream %d is language %s", i, lang_code);
} else
GST_DEBUG_OBJECT (src, "Audio stream %d - no language", i, lang_code);
}
if (have_audio == FALSE) {
/* Always create at least one audio stream */
gst_structure_set (s, "audio-0-format", G_TYPE_INT, (int) 0, NULL);
}
/* subpictures */
if (n_subp == 0) {
/* Always create at least one subpicture stream */
gst_structure_set (s, "subpicture-0-format", G_TYPE_INT, (int) 0, NULL);
gst_structure_set (s, "subpicture-0-language", G_TYPE_STRING, "MENU", NULL);
}
for (i = 0; i < n_subp; i++) {
const subp_attr_t *u = s_attrs + i;
t = g_strdup_printf ("subpicture-%d-format", i);
gst_structure_set (s, t, G_TYPE_INT, (int) 0, NULL);
g_free (t);
t = g_strdup_printf ("subpicture-%d-language", i);
if (u->type) {
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);
} else {
gst_structure_set (s, t, G_TYPE_STRING, "MENU", NULL);
}
g_free (t);
GST_DEBUG_OBJECT (src, "Subpicture stream %d is language %s", i,
lang_code[0] ? lang_code : "NONE");
}
if (src->streams_event)
gst_event_unref (src->streams_event);
src->streams_event = e;
return TRUE;
}
static void
rsn_dvdsrc_prepare_clut_change_event (resinDvdSrc * src, const guint32 * clut)
{
GstEvent *event;
GstStructure *structure;
gchar name[16];
int i;
if (memcmp (src->cur_clut, clut, sizeof (guint32) * 16) == 0)
return;
memcpy (src->cur_clut, clut, sizeof (guint32) * 16);
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++) {
sprintf (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. */
event = gst_event_new_custom (GST_EVENT_CUSTOM_DOWNSTREAM, structure);
GST_LOG_OBJECT (src, "pushing clut change event %" GST_PTR_FORMAT, event);
if (src->clut_event)
gst_event_unref (src->clut_event);
src->clut_event = event;
}
/*
* Check for a new highlighted area, and prepare an spu highlight event if
* necessary.
*/
static void
rsn_dvdsrc_update_highlight (resinDvdSrc * src)
{
int button = 0;
pci_t *pci = &src->cur_pci;
dvdnav_highlight_area_t area;
int mode = 0;
GstEvent *event = NULL;
GstStructure *s;
if (src->have_pci) {
if (dvdnav_get_current_highlight (src->dvdnav, &button) != DVDNAV_STATUS_OK) {
GST_ELEMENT_ERROR (src, LIBRARY, FAILED, (NULL),
("dvdnav_get_current_highlight: %s",
dvdnav_err_to_string (src->dvdnav)));
return;
}
if (pci->hli.hl_gi.hli_ss == 0 || (button > pci->hli.hl_gi.btn_ns) ||
(button < 1)) {
/* button is out of the range of possible buttons. */
button = 0;
}
}
if (button == 0) {
/* No highlight available, or no button selected - clear the SPU */
if (src->active_button != 0) {
src->active_button = 0;
s = gst_structure_new ("application/x-gst-dvd", "event",
G_TYPE_STRING, "dvd-spu-reset-highlight", NULL);
event = gst_event_new_custom (GST_EVENT_CUSTOM_DOWNSTREAM_OOB, s);
if (src->highlight_event)
gst_event_unref (src->highlight_event);
src->highlight_event = event;
}
return;
}
if (src->active_highlight)
mode = 1;
if (dvdnav_get_highlight_area (pci, button, mode, &area) != DVDNAV_STATUS_OK) {
GST_ELEMENT_ERROR (src, LIBRARY, FAILED, (NULL),
("dvdnav_get_highlight_area: %s", dvdnav_err_to_string (src->dvdnav)));
return;
}
/* Check if we have a new button number, or a new highlight region. */
if (button != src->active_button ||
area.sx != src->area.sx || area.sy != src->area.sy ||
area.ex != src->area.ex || area.ey != src->area.ey ||
area.palette != src->area.palette) {
g_print ("Setting highlight. Button %d @ %d,%d active %d palette 0x%x "
"(from button %d @ %d,%d palette 0x%x)\n",
button, src->area.sx, src->area.sy, mode, src->area.palette,
src->active_button, area.sx, area.sy, area.palette);
memcpy (&(src->area), &area, sizeof (dvdnav_highlight_area_t));
s = gst_structure_new ("application/x-gst-dvd", "event",
G_TYPE_STRING, "dvd-spu-highlight",
"button", G_TYPE_INT, (gint) button,
"palette", G_TYPE_INT, (gint) area.palette,
"sx", G_TYPE_INT, (gint) area.sx,
"sy", G_TYPE_INT, (gint) area.sy,
"ex", G_TYPE_INT, (gint) area.ex,
"ey", G_TYPE_INT, (gint) area.ey, NULL);
event = gst_event_new_custom (GST_EVENT_CUSTOM_DOWNSTREAM_OOB, s);
if (src->active_button == 0) {
/* When setting the button for the first time, take the
timestamp into account. */
GST_EVENT_TIMESTAMP (event) = MPEGTIME_TO_GSTTIME (area.pts);
}
src->active_button = button;
if (src->highlight_event)
gst_event_unref (src->highlight_event);
src->highlight_event = event;
}
}
static void
rsn_dvdsrc_enqueue_nav_block (resinDvdSrc * src, GstBuffer * nav_buf,
GstClockTime ts)
{
RsnDvdPendingNav *pend_nav = g_new0 (RsnDvdPendingNav, 1);
GstSegment *seg = &(GST_BASE_SRC (src)->segment);
pend_nav->buffer = gst_buffer_ref (nav_buf);
pend_nav->ts = ts;
pend_nav->running_ts = gst_segment_to_running_time (seg, GST_FORMAT_TIME, ts);
if (src->pending_nav_blocks == NULL) {
src->pending_nav_blocks = src->pending_nav_blocks_end =
g_slist_append (src->pending_nav_blocks_end, pend_nav);
} else {
src->pending_nav_blocks_end =
g_slist_append (src->pending_nav_blocks_end, pend_nav);
src->pending_nav_blocks_end = g_slist_next (src->pending_nav_blocks_end);
}
GST_LOG_OBJECT (src, "Enqueued nav with TS %" GST_TIME_FORMAT
" with run ts %" GST_TIME_FORMAT ". %d packs pending",
GST_TIME_ARGS (ts), GST_TIME_ARGS (pend_nav->running_ts),
g_slist_length (src->pending_nav_blocks));
}
static void
rsn_dvdsrc_activate_nav_block (resinDvdSrc * src, GstBuffer * nav_buf)
{
int32_t forced_button;
navRead_PCI (&src->cur_pci, GST_BUFFER_DATA (nav_buf) + 0x2d);
src->have_pci = TRUE;
forced_button = src->cur_pci.hli.hl_gi.fosl_btnn & 0x3f;
if (forced_button != 0)
dvdnav_button_select (src->dvdnav, &src->cur_pci, forced_button);
/* highlight might change, let's check */
rsn_dvdsrc_update_highlight (src);
if (src->highlight_event)
g_cond_broadcast (src->still_cond);
}
static void
rsn_dvdsrc_clear_nav_blocks (resinDvdSrc * src)
{
while (src->pending_nav_blocks) {
RsnDvdPendingNav *cur = (RsnDvdPendingNav *) src->pending_nav_blocks->data;
gst_buffer_unref (cur->buffer);
g_free (cur);
src->pending_nav_blocks =
g_slist_delete_link (src->pending_nav_blocks, src->pending_nav_blocks);
}
src->pending_nav_blocks_end = NULL;
}
static gboolean
rsn_dvdsrc_nav_clock_cb (GstClock * clock, GstClockTime time, GstClockID id,
gpointer user_data)
{
resinDvdSrc *src = (resinDvdSrc *) user_data;
GstClockTime base_time = gst_element_get_base_time (GST_ELEMENT (src));
GST_LOG_OBJECT (src, "NAV pack callback for TS %" GST_TIME_FORMAT " at ts %"
GST_TIME_FORMAT, GST_TIME_ARGS (time),
GST_TIME_ARGS (gst_clock_get_time (clock) - base_time));
g_mutex_lock (src->dvd_lock);
/* Destroy the clock id that caused this callback */
if (src->nav_clock_id) {
gst_clock_id_unref (src->nav_clock_id);
src->nav_clock_id = NULL;
}
while (src->pending_nav_blocks) {
RsnDvdPendingNav *cur = (RsnDvdPendingNav *) src->pending_nav_blocks->data;
if (time < base_time + cur->running_ts)
break; /* Next NAV is in the future */
GST_DEBUG_OBJECT (src, "Activating nav pack for with TS %" GST_TIME_FORMAT
" at running TS %" GST_TIME_FORMAT, GST_TIME_ARGS (cur->ts),
GST_TIME_ARGS (cur->running_ts));
rsn_dvdsrc_activate_nav_block (src, cur->buffer);
gst_buffer_unref (cur->buffer);
g_free (cur);
src->pending_nav_blocks =
g_slist_delete_link (src->pending_nav_blocks, src->pending_nav_blocks);
}
if (src->pending_nav_blocks == NULL)
src->pending_nav_blocks_end = NULL;
else {
/* Schedule a next packet, if any */
RsnDvdPendingNav *next_nav =
(RsnDvdPendingNav *) src->pending_nav_blocks->data;
rsn_dvdsrc_schedule_nav_cb (src, next_nav);
}
g_mutex_unlock (src->dvd_lock);
return TRUE;
}
static void
rsn_dvdsrc_schedule_nav_cb (resinDvdSrc * src, RsnDvdPendingNav * next_nav)
{
GstClock *clock;
GstClockTime base_ts;
GST_OBJECT_LOCK (src);
if (!src->in_playing) {
GST_LOG_OBJECT (src, "Not scheduling NAV block - state != PLAYING");
GST_OBJECT_UNLOCK (src);
return; /* Not in playing state yet */
}
clock = GST_ELEMENT_CLOCK (src);
base_ts = GST_ELEMENT (src)->base_time;
if (clock == NULL) {
GST_LOG_OBJECT (src, "Not scheduling NAV block - no clock yet");
GST_OBJECT_UNLOCK (src);
return;
}
gst_object_ref (clock);
src->nav_clock_id = gst_clock_new_single_shot_id (clock,
base_ts + next_nav->running_ts);
GST_OBJECT_UNLOCK (src);
GST_LOG_OBJECT (src, "Schedule nav pack for running TS %" GST_TIME_FORMAT,
GST_TIME_ARGS (next_nav->running_ts));
gst_clock_id_wait_async (src->nav_clock_id, rsn_dvdsrc_nav_clock_cb, src);
gst_object_unref (clock);
}
static void
rsn_dvdsrc_check_nav_blocks (resinDvdSrc * src)
{
RsnDvdPendingNav *next_nav;
/* Make sure a callback is scheduled for the first nav packet */
if (src->nav_clock_id != NULL) {
GST_LOG_OBJECT (src, "NAV callback already scheduled");
return; /* Something already scheduled */
}
if (src->pending_nav_blocks == NULL) {
GST_LOG_OBJECT (src, "No NAV blocks to schedule");
return; /* No nav blocks available yet */
}
next_nav = (RsnDvdPendingNav *) src->pending_nav_blocks->data;
rsn_dvdsrc_schedule_nav_cb (src, next_nav);
}
/* Use libdvdread to read and cache info from the IFO file about
* streams in each VTS */
static gboolean
rsn_dvdsrc_src_event (RsnBaseSrc * basesrc, GstEvent * event)
{
resinDvdSrc *src = RESINDVDSRC (basesrc);
gboolean res;
GST_LOG_OBJECT (src, "handling %s event", GST_EVENT_TYPE_NAME (event));
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_NAVIGATION:
res = rsn_dvdsrc_handle_navigation_event (src, event);
break;
default:
res = GST_BASE_SRC_CLASS (parent_class)->event (basesrc, event);
break;
}
return res;
}
static GstStateChangeReturn
rsn_dvdsrc_change_state (GstElement * element, GstStateChange transition)
{
GstStateChangeReturn ret;
resinDvdSrc *src = RESINDVDSRC (element);
switch (transition) {
case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
GST_DEBUG_OBJECT (element, "Switching to PAUSED");
/* Unschedule any NAV packet callback */
g_mutex_lock (src->dvd_lock);
src->in_playing = FALSE;
if (src->nav_clock_id) {
gst_clock_id_unschedule (src->nav_clock_id);
gst_clock_id_unref (src->nav_clock_id);
src->nav_clock_id = NULL;
}
g_mutex_unlock (src->dvd_lock);
break;
default:
break;
}
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
if (ret == GST_STATE_CHANGE_FAILURE)
return ret;
switch (transition) {
case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
GST_DEBUG_OBJECT (element, "Switching to PLAYING");
/* Kick off the NAV packet callback if needed */
g_mutex_lock (src->dvd_lock);
src->in_playing = TRUE;
rsn_dvdsrc_check_nav_blocks (src);
g_mutex_unlock (src->dvd_lock);
break;
default:
break;
}
return ret;
}
static gboolean
rsn_dvdsrc_src_query (RsnBaseSrc * basesrc, GstQuery * query)
{
resinDvdSrc *src = RESINDVDSRC (basesrc);
gboolean res = FALSE;
GstFormat format;
gint64 val;
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_DURATION:
gst_query_parse_duration (query, &format, NULL);
g_mutex_lock (src->dvd_lock);
if (!src->running) {
g_mutex_unlock (src->dvd_lock);
break;
}
if (format == GST_FORMAT_TIME) {
if (src->pgc_duration != GST_CLOCK_TIME_NONE) {
val = src->pgc_duration;
gst_query_set_duration (query, format, val);
res = TRUE;
}
} else if (format == title_format) {
gint32 titles;
if (dvdnav_get_number_of_titles (src->dvdnav,
&titles) == DVDNAV_STATUS_OK) {
val = titles;
gst_query_set_duration (query, format, val);
res = TRUE;
}
} else if (format == chapter_format) {
gint32 title, chapters, x;
if (dvdnav_current_title_info (src->dvdnav, &title,
&x) == DVDNAV_STATUS_OK) {
if (dvdnav_get_number_of_parts (src->dvdnav, title,
&chapters) == DVDNAV_STATUS_OK) {
val = chapters;
gst_query_set_duration (query, format, val);
res = TRUE;
}
}
}
g_mutex_unlock (src->dvd_lock);
break;
case GST_QUERY_POSITION:
gst_query_parse_position (query, &format, NULL);
g_mutex_lock (src->dvd_lock);
if (!src->running) {
g_mutex_unlock (src->dvd_lock);
break;
}
if (format == title_format) {
gint32 title, chapter;
if (dvdnav_current_title_info (src->dvdnav, &title,
&chapter) == DVDNAV_STATUS_OK) {
val = title;
gst_query_set_position (query, format, val);
res = TRUE;
}
} else if (format == chapter_format) {
gint32 title, chapter = -1;
if (dvdnav_current_title_info (src->dvdnav, &title,
&chapter) == DVDNAV_STATUS_OK) {
val = chapter;
gst_query_set_position (query, format, val);
res = TRUE;
}
}
g_mutex_unlock (src->dvd_lock);
break;
default:
res = GST_BASE_SRC_CLASS (parent_class)->query (basesrc, query);
break;
}
return res;
}
static gboolean
rsn_dvdsrc_is_seekable (RsnBaseSrc * bsrc)
{
return TRUE;
}
static gboolean
rsn_dvdsrc_prepare_seek (RsnBaseSrc * bsrc, GstEvent * event,
GstSegment * segment)
{
resinDvdSrc *src = RESINDVDSRC (bsrc);
GstSeekType cur_type, stop_type;
gint64 cur, stop;
GstSeekFlags flags;
GstFormat seek_format;
gdouble rate;
gboolean update;
gst_event_parse_seek (event, &rate, &seek_format, &flags,
&cur_type, &cur, &stop_type, &stop);
if (seek_format == rsndvd_format || seek_format == title_format ||
seek_format == chapter_format) {
/* Seeks in our internal formats are passed directly through to the do_seek
* method. */
gst_segment_init (segment, seek_format);
gst_segment_set_seek (segment, rate, seek_format, flags, cur_type, cur,
stop_type, stop, &update);
if (flags & GST_SEEK_FLAG_FLUSH)
src->flushing_seek = TRUE;
return TRUE;
}
/* Don't allow bytes seeks - angle, time, chapter, title only is the plan */
if (seek_format == GST_FORMAT_BYTES)
return FALSE;
/* Let basesrc handle other formats for now. FIXME: Implement angle */
return GST_BASE_SRC_CLASS (parent_class)->prepare_seek_segment (bsrc,
event, segment);
}
static gboolean
rsn_dvdsrc_do_seek (RsnBaseSrc * bsrc, GstSegment * segment)
{
resinDvdSrc *src = RESINDVDSRC (bsrc);
gboolean ret = FALSE;
if (segment->format == rsndvd_format) {
/* The internal format has alread served its purpose of waking
* everything up and flushing, we just need to step to the next
* data block (below) so we know our new position */
ret = TRUE;
} else {
/* FIXME: Handle other formats: Time, title, chapter, angle */
/* HACK to make initial seek work: */
if (segment->format == GST_FORMAT_TIME) {
ret = TRUE;
src->discont = TRUE;
} else if (segment->format == title_format) {
gint titles;
g_mutex_lock (src->dvd_lock);
if (src->running &&
dvdnav_get_number_of_titles (src->dvdnav,
&titles) == DVDNAV_STATUS_OK) {
if (segment->start > 0 && segment->start <= titles) {
dvdnav_title_play (src->dvdnav, segment->start);
ret = TRUE;
src->discont = TRUE;
}
}
g_mutex_unlock (src->dvd_lock);
} else if (segment->format == chapter_format) {
g_mutex_lock (src->dvd_lock);
if (src->running) {
gint32 title, chapters, x;
if (dvdnav_current_title_info (src->dvdnav, &title, &x) ==
DVDNAV_STATUS_OK) {
if (segment->start + 1 == x) {
dvdnav_prev_pg_search (src->dvdnav);
ret = TRUE;
src->discont = TRUE;
} else if (segment->start == x + 1) {
dvdnav_next_pg_search (src->dvdnav);
ret = TRUE;
src->discont = TRUE;
} else if (dvdnav_get_number_of_parts (src->dvdnav, title,
&chapters) == DVDNAV_STATUS_OK) {
if (segment->start > 0 && segment->start <= chapters) {
dvdnav_part_play (src->dvdnav, title, segment->start);
ret = TRUE;
src->discont = TRUE;
}
}
}
}
g_mutex_unlock (src->dvd_lock);
}
}
if (ret) {
/* Force a highlight update */
src->active_button = -1;
if (src->flushing_seek) {
g_mutex_lock (src->dvd_lock);
src->flushing_seek = FALSE;
gst_buffer_replace (&src->next_buf, NULL);
src->cur_start_ts = GST_CLOCK_TIME_NONE;
src->cur_end_ts = GST_CLOCK_TIME_NONE;
src->cur_vobu_base_ts = GST_CLOCK_TIME_NONE;
src->have_pci = FALSE;
if (src->nav_clock_id) {
gst_clock_id_unschedule (src->nav_clock_id);
gst_clock_id_unref (src->nav_clock_id);
src->nav_clock_id = NULL;
}
rsn_dvdsrc_clear_nav_blocks (src);
g_mutex_unlock (src->dvd_lock);
}
GST_LOG_OBJECT (src, "Entering prepare_next_block after seek");
if (rsn_dvdsrc_prepare_next_block (src, FALSE) != GST_FLOW_OK)
goto fail;
GST_LOG_OBJECT (src, "prepare_next_block after seek done");
segment->format = GST_FORMAT_TIME;
/* The first TS output: */
segment->last_stop = segment->start = src->cur_start_ts;
/* time field = position is the 'logical' stream time here: */
segment->time = 0;
if (src->cur_position != GST_CLOCK_TIME_NONE)
segment->time += src->cur_position;
if (src->cur_vobu_base_ts != GST_CLOCK_TIME_NONE)
segment->time += src->cur_vobu_base_ts;
segment->stop = -1;
segment->duration = -1;
g_print ("seek completed. New start TS %" GST_TIME_FORMAT
" pos %" GST_TIME_FORMAT "\n", GST_TIME_ARGS (segment->start),
GST_TIME_ARGS (segment->time));
src->need_segment = FALSE;
}
return ret;
fail:
g_print ("Seek in format %d failed\n", segment->format);
return FALSE;
}
gboolean
rsndvdsrc_init (GstPlugin * plugin)
{
gboolean res;
res = gst_element_register (plugin, "rsndvdsrc",
GST_RANK_NONE, RESIN_TYPE_DVDSRC);
return res;
}
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