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resindvd: Update the base source copy

Browse source 
This breaks seamless segment updates, causing deadlocks,
to be fixed in subsequent commits.
This commit is contained in:
Jan Schmidt 2009-11-01 19:21:38 +01:00
parent 454539a10e
commit 3e72e7b48b
7 changed files with 947 additions and 727 deletions
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2
ext/resindvd/Makefile.am
View file

@ -8,7 +8,6 @@ libresindvd_la_SOURCES = \
rsnaudiomunge.c \
rsndec.c \
rsnbasesrc.c \
rsnpushsrc.c \
rsnstreamselector.c \
resindvdsrc.c \
gstmpegdesc.c \
@ -30,7 +29,6 @@ noinst_HEADERS = resindvdbin.h \
rsnaudiomunge.h \
rsndec.h \
rsnbasesrc.h \
rsnpushsrc.h \
rsnstreamselector.h \
resindvdsrc.h \
gstmpegdefs.h \

77
ext/resindvd/resindvdsrc.c
View file

@ -97,8 +97,8 @@ 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);
GST_BOILERPLATE_FULL (resinDvdSrc, rsn_dvdsrc, RsnBaseSrc,
RSN_TYPE_BASE_SRC, rsn_dvdsrc_register_extra);
static gboolean read_vts_info (resinDvdSrc * src);
@ -139,7 +139,9 @@ 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_check_get_range (RsnBaseSrc * src);
static GstFlowReturn rsn_dvdsrc_create (RsnBaseSrc * bsrc, guint64 offset,
guint length, GstBuffer ** buf);
static gboolean rsn_dvdsrc_src_event (RsnBaseSrc * basesrc, GstEvent * event);
static gboolean rsn_dvdsrc_src_query (RsnBaseSrc * basesrc, GstQuery * query);
@ -205,12 +207,10 @@ 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);
gstbasesrc_class = RSN_BASE_SRC_CLASS (klass);
gobject_class->finalize = rsn_dvdsrc_finalize;
gobject_class->set_property = rsn_dvdsrc_set_property;
@ -229,7 +229,9 @@ rsn_dvdsrc_class_init (resinDvdSrcClass * klass)
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);
gstbasesrc_class->check_get_range =
GST_DEBUG_FUNCPTR (rsn_dvdsrc_check_get_range);
gstbasesrc_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",
@ -258,7 +260,7 @@ rsn_dvdsrc_init (resinDvdSrc * rsndvdsrc, resinDvdSrcClass * gclass)
rsndvdsrc->branching = FALSE;
rsndvdsrc->still_cond = g_cond_new ();
rsn_base_src_set_format (GST_BASE_SRC (rsndvdsrc), GST_FORMAT_TIME);
gst_base_src_set_format (RSN_BASE_SRC (rsndvdsrc), GST_FORMAT_TIME);
}
static void
@ -597,7 +599,7 @@ rsn_dvdsrc_do_still (resinDvdSrc * src, int duration)
gboolean cmds_changed;
GstStructure *s;
GstEvent *seg_event;
GstSegment *segment = &(GST_BASE_SRC (src)->segment);
GstSegment *segment = &(RSN_BASE_SRC (src)->segment);
if (src->in_still_state == FALSE) {
GST_DEBUG_OBJECT (src, "**** Start STILL FRAME. Duration %d ****",
@ -630,11 +632,11 @@ rsn_dvdsrc_do_still (resinDvdSrc * src, int duration)
/* 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);
gst_pad_push_event (RSN_BASE_SRC_PAD (src), still_event);
gst_pad_push_event (RSN_BASE_SRC_PAD (src), seg_event);
if (hl_event) {
GST_LOG_OBJECT (src, "Sending highlight event before still");
gst_pad_push_event (GST_BASE_SRC_PAD (src), hl_event);
gst_pad_push_event (RSN_BASE_SRC_PAD (src), hl_event);
}
if (cmds_changed)
rsn_dvdsrc_send_commands_changed (src);
@ -743,7 +745,7 @@ rsn_dvdsrc_do_still (resinDvdSrc * src, int duration)
segment->start + (GST_SECOND * duration));
g_mutex_unlock (src->dvd_lock);
gst_pad_push_event (GST_BASE_SRC_PAD (src), still_event);
gst_pad_push_event (RSN_BASE_SRC_PAD (src), still_event);
g_mutex_lock (src->dvd_lock);
}
@ -1093,7 +1095,7 @@ rsn_dvdsrc_step (resinDvdSrc * src, gboolean have_dvd_lock)
g_mutex_unlock (src->dvd_lock);
GST_DEBUG_OBJECT (src, "Sending highlight event - button %d",
src->active_button);
gst_pad_push_event (GST_BASE_SRC_PAD (src), hl_event);
gst_pad_push_event (RSN_BASE_SRC_PAD (src), hl_event);
g_mutex_lock (src->dvd_lock);
}
@ -1226,11 +1228,20 @@ rsn_dvdsrc_prepare_next_block (resinDvdSrc * src, gboolean have_dvd_lock)
return ret;
}
static GstFlowReturn
rsn_dvdsrc_create (RsnPushSrc * psrc, GstBuffer ** outbuf)
static gboolean
rsn_dvdsrc_check_get_range (RsnBaseSrc * src)
{
resinDvdSrc *src = RESINDVDSRC (psrc);
GstSegment *segment = &(GST_BASE_SRC (src)->segment);
/* ResinDVD never operates in pull mode. There might be
* a reason to in the future though? */
return FALSE;
}
static GstFlowReturn
rsn_dvdsrc_create (RsnBaseSrc * bsrc, guint64 offset,
guint length, GstBuffer ** outbuf)
{
resinDvdSrc *src = RESINDVDSRC (bsrc);
GstSegment *segment = &(RSN_BASE_SRC (src)->segment);
GstFlowReturn ret;
GstEvent *streams_event = NULL;
GstEvent *clut_event = NULL;
@ -1281,26 +1292,30 @@ rsn_dvdsrc_create (RsnPushSrc * psrc, GstBuffer ** outbuf)
* we change segment */
if (streams_event) {
GST_LOG_OBJECT (src, "Pushing stream layout event");
gst_pad_push_event (GST_BASE_SRC_PAD (src), streams_event);
gst_pad_push_event (RSN_BASE_SRC_PAD (src), streams_event);
}
if (clut_event) {
GST_LOG_OBJECT (src, "Pushing clut event");
gst_pad_push_event (GST_BASE_SRC_PAD (src), clut_event);
gst_pad_push_event (RSN_BASE_SRC_PAD (src), clut_event);
}
/* Out of band events */
if (spu_select_event) {
GST_LOG_OBJECT (src, "Pushing spu_select event");
gst_pad_push_event (GST_BASE_SRC_PAD (src), spu_select_event);
gst_pad_push_event (RSN_BASE_SRC_PAD (src), spu_select_event);
}
if (audio_select_event) {
GST_LOG_OBJECT (src, "Pushing audio_select event");
gst_pad_push_event (GST_BASE_SRC_PAD (src), audio_select_event);
gst_pad_push_event (RSN_BASE_SRC_PAD (src), audio_select_event);
}
if (src->need_segment) {
/* Seamless segment update */
GstEvent *seek;
g_print ("Starting seamless segment update to %" GST_TIME_FORMAT " -> %"
GST_TIME_FORMAT " VOBU %" GST_TIME_FORMAT "\n",
GST_TIME_ARGS (src->cur_start_ts), GST_TIME_ARGS (src->cur_end_ts),
GST_TIME_ARGS (src->cur_vobu_base_ts));
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);
@ -1341,7 +1356,7 @@ rsn_dvdsrc_create (RsnPushSrc * psrc, GstBuffer ** outbuf)
if (highlight_event) {
GST_LOG_OBJECT (src, "Pushing highlight event with TS %" GST_TIME_FORMAT,
GST_TIME_ARGS (GST_EVENT_TIMESTAMP (highlight_event)));
gst_pad_push_event (GST_BASE_SRC_PAD (src), highlight_event);
gst_pad_push_event (RSN_BASE_SRC_PAD (src), highlight_event);
}
if (angles_msg) {
@ -1690,7 +1705,7 @@ rsn_dvdsrc_handle_navigation_event (resinDvdSrc * src, GstEvent * event)
if (hl_event) {
GST_DEBUG_OBJECT (src, "Sending highlight change event - button: %d",
src->active_button);
gst_pad_push_event (GST_BASE_SRC_PAD (src), hl_event);
gst_pad_push_event (RSN_BASE_SRC_PAD (src), hl_event);
}
/* Send ourselves a seek event to wake everything up and flush */
@ -1728,7 +1743,7 @@ rsn_dvdsrc_handle_navigation_event (resinDvdSrc * src, GstEvent * event)
if (hl_event) {
GST_DEBUG_OBJECT (src, "Sending highlight change event - button: %d",
src->active_button);
gst_pad_push_event (GST_BASE_SRC_PAD (src), hl_event);
gst_pad_push_event (RSN_BASE_SRC_PAD (src), hl_event);
}
if (cmds_changed)
@ -2132,7 +2147,7 @@ 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);
GstSegment *seg = &(RSN_BASE_SRC (src)->segment);
pend_nav->buffer = gst_buffer_ref (nav_buf);
pend_nav->ts = ts;
@ -2325,13 +2340,13 @@ rsn_dvdsrc_src_event (RsnBaseSrc * basesrc, GstEvent * event)
GST_DEBUG_OBJECT (src, "%s seek event",
src->flushing_seek ? "flushing" : "non-flushing");
res = GST_BASE_SRC_CLASS (parent_class)->event (basesrc, event);
res = RSN_BASE_SRC_CLASS (parent_class)->event (basesrc, event);
break;
}
default:
GST_LOG_OBJECT (src, "handling %s event", GST_EVENT_TYPE_NAME (event));
res = GST_BASE_SRC_CLASS (parent_class)->event (basesrc, event);
res = RSN_BASE_SRC_CLASS (parent_class)->event (basesrc, event);
break;
}
@ -2463,11 +2478,11 @@ rsn_dvdsrc_src_query (RsnBaseSrc * basesrc, GstQuery * query)
if (nq_type != GST_NAVIGATION_QUERY_INVALID)
res = rsn_dvdsrc_handle_navigation_query (src, nq_type, query);
else
res = GST_BASE_SRC_CLASS (parent_class)->query (basesrc, query);
res = RSN_BASE_SRC_CLASS (parent_class)->query (basesrc, query);
break;
}
default:
res = GST_BASE_SRC_CLASS (parent_class)->query (basesrc, query);
res = RSN_BASE_SRC_CLASS (parent_class)->query (basesrc, query);
break;
}
@ -2511,7 +2526,7 @@ rsn_dvdsrc_prepare_seek (RsnBaseSrc * bsrc, GstEvent * event,
}
/* Let basesrc handle other formats for now. FIXME: Implement angle */
ret = GST_BASE_SRC_CLASS (parent_class)->prepare_seek_segment (bsrc,
ret = RSN_BASE_SRC_CLASS (parent_class)->prepare_seek_segment (bsrc,
event, segment);
return ret;

6
ext/resindvd/resindvdsrc.h
View file

@ -21,7 +21,7 @@
#include <gst/gst.h>
#include "rsnpushsrc.h"
#include "rsnbasesrc.h"
#include "_stdint.h"
@ -46,7 +46,7 @@ typedef struct _resinDvdSrcClass resinDvdSrcClass;
struct _resinDvdSrc
{
RsnPushSrc parent;
RsnBaseSrc parent;
gboolean faststart;
@ -147,7 +147,7 @@ struct _resinDvdSrc
struct _resinDvdSrcClass
{
RsnPushSrcClass parent_class;
RsnBaseSrcClass parent_class;
};
GType rsn_dvdsrc_get_type (void);

1290
ext/resindvd/rsnbasesrc.c
View file

File diff suppressed because it is too large Load diff

122
ext/resindvd/rsnbasesrc.h
View file

@ -28,33 +28,32 @@
* send seeks to themselves.
*
*/
#ifndef __GST_BASE_SRC_H__
#define __GST_BASE_SRC_H__
#ifndef __RSN_BASE_SRC_H__
#define __RSN_BASE_SRC_H__
#include <gst/gst.h>
G_BEGIN_DECLS
#define RSN_TYPE_BASE_SRC (rsn_base_src_get_type())
#define GST_BASE_SRC(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),RSN_TYPE_BASE_SRC,RsnBaseSrc))
#define GST_BASE_SRC_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),RSN_TYPE_BASE_SRC,RsnBaseSrcClass))
#define GST_BASE_SRC_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), RSN_TYPE_BASE_SRC, RsnBaseSrcClass))
#define GST_IS_BASE_SRC(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),RSN_TYPE_BASE_SRC))
#define GST_IS_BASE_SRC_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),RSN_TYPE_BASE_SRC))
#define GST_BASE_SRC_CAST(obj) ((RsnBaseSrc *)(obj))
#define RSN_TYPE_BASE_SRC (gst_base_src_get_type())
#define RSN_BASE_SRC(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),RSN_TYPE_BASE_SRC,RsnBaseSrc))
#define RSN_BASE_SRC_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),RSN_TYPE_BASE_SRC,RsnBaseSrcClass))
#define RSN_BASE_SRC_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), RSN_TYPE_BASE_SRC, RsnBaseSrcClass))
#define GST_IS_BASE_SRC(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),RSN_TYPE_BASE_SRC))
#define GST_IS_BASE_SRC_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),RSN_TYPE_BASE_SRC))
#define RSN_BASE_SRC_CAST(obj) ((RsnBaseSrc *)(obj))
/**
* RsnBaseSrcFlags:
* @GST_BASE_SRC_STARTED: has source been started
* @GST_BASE_SRC_FLAG_LAST: offset to define more flags
* @RSN_BASE_SRC_STARTED: has source been started
* @RSN_BASE_SRC_FLAG_LAST: offset to define more flags
*
* The #GstElement flags that a basesrc element may have.
*/
typedef enum {
GST_BASE_SRC_STARTED = (GST_ELEMENT_FLAG_LAST << 0),
RSN_BASE_SRC_STARTED = (GST_ELEMENT_FLAG_LAST << 0),
/* padding */
GST_BASE_SRC_FLAG_LAST = (GST_ELEMENT_FLAG_LAST << 2)
RSN_BASE_SRC_FLAG_LAST = (GST_ELEMENT_FLAG_LAST << 2)
} RsnBaseSrcFlags;
typedef struct _RsnBaseSrc RsnBaseSrc;
@ -62,12 +61,12 @@ typedef struct _RsnBaseSrcClass RsnBaseSrcClass;
typedef struct _RsnBaseSrcPrivate RsnBaseSrcPrivate;
/**
* GST_BASE_SRC_PAD:
* RSN_BASE_SRC_PAD:
* @obj: base source instance
*
* Gives the pointer to the #GstPad object of the element.
*/
#define GST_BASE_SRC_PAD(obj) (GST_BASE_SRC_CAST (obj)->srcpad)
#define RSN_BASE_SRC_PAD(obj) (RSN_BASE_SRC_CAST (obj)->srcpad)
/**
@ -80,31 +79,31 @@ struct _RsnBaseSrc {
GstElement element;
/*< protected >*/
GstPad *srcpad;
GstPad *srcpad;
/* available to subclass implementations */
/* MT-protected (with LIVE_LOCK) */
GMutex *live_lock;
GCond *live_cond;
gboolean is_live;
gboolean live_running;
GMutex *live_lock;
GCond *live_cond;
gboolean is_live;
gboolean live_running;
/* MT-protected (with LOCK) */
gint blocksize; /* size of buffers when operating push based */
gboolean can_activate_push; /* some scheduling properties */
gint blocksize; /* size of buffers when operating push based */
gboolean can_activate_push; /* some scheduling properties */
GstActivateMode pad_mode;
gboolean seekable;
gboolean seekable; /* not used anymore */
gboolean random_access;
GstClockID clock_id; /* for syncing */
GstClockID clock_id; /* for syncing */
GstClockTime end_time;
/* MT-protected (with STREAM_LOCK) */
GstSegment segment;
gboolean need_newsegment;
gboolean need_newsegment;
guint64 offset; /* current offset in the resource, unused */
guint64 size; /* total size of the resource, unused */
guint64 offset; /* current offset in the resource, unused */
guint64 size; /* total size of the resource, unused */
gint num_buffers;
gint num_buffers_left;
@ -133,32 +132,32 @@ struct _RsnBaseSrc {
* @start: Start processing. Subclasses should open resources and prepare
* to produce data.
* @stop: Stop processing. Subclasses should use this to close resources.
* @get_times: Given a buffer, return the start and stop time when it
* should be pushed out. The base class will sync on the clock using
* these times.
* @get_times: Given a buffer, return the start and stop time when it
* should be pushed out. The base class will sync on the clock using
* these times.
* @get_size: Return the total size of the resource, in the configured format.
* @is_seekable: Check if the source can seek
* @unlock: Unlock any pending access to the resource. Subclasses should
* unblock any blocked function ASAP
* @unlock_stop: Clear the previous unlock request. Subclasses should clear
* any state they set during unlock(), such as clearing command queues.
* any state they set during unlock(), such as clearing command queues.
* @event: Override this to implement custom event handling.
* @create: Ask the subclass to create a buffer with offset and size.
* @do_seek: Perform seeking on the resource to the indicated segment.
* @prepare_seek_segment: Prepare the GstSegment that will be passed to the
* do_seek vmethod for executing a seek request. Sub-classes should override
* this if they support seeking in formats other than the configured native
* format. By default, it tries to convert the seek arguments to the
* @prepare_seek_segment: Prepare the GstSegment that will be passed to the
* do_seek vmethod for executing a seek request. Sub-classes should override
* this if they support seeking in formats other than the configured native
* format. By default, it tries to convert the seek arguments to the
* configured native format and prepare a segment in that format.
* Since: 0.10.13
* @query: Handle a requested query.
* @check_get_range: Check whether the source would support pull-based
* operation if it were to be opened now. This vfunc is optional, but
* should be implemented if possible to avoid unnecessary start/stop
* cycles. The default implementation will open and close the resource
* to find out whether get_range is supported, and that is usually
* undesirable.
* @fixate: Called during negotation if caps need fixating. Implement instead of
* @query: Handle a requested query.
* @check_get_range: Check whether the source would support pull-based
* operation if it were to be opened now. This vfunc is optional, but
* should be implemented if possible to avoid unnecessary start/stop
* cycles. The default implementation will open and close the resource
* to find out whether get_range is supported, and that is usually
* undesirable.
* @fixate: Called during negotiation if caps need fixating. Implement instead of
* setting a fixate function on the source pad.
*
* Subclasses can override any of the available virtual methods or not, as
@ -205,7 +204,7 @@ struct _RsnBaseSrcClass {
/* ask the subclass to create a buffer with offset and size */
GstFlowReturn (*create) (RsnBaseSrc *src, guint64 offset, guint size,
GstBuffer **buf);
GstBuffer **buf);
/* additions that change padding... */
/* notify subclasses of a seek */
@ -221,37 +220,40 @@ struct _RsnBaseSrcClass {
* undesirable. */
gboolean (*check_get_range) (RsnBaseSrc *src);
/* called if, in negotation, caps need fixating */
void (*fixate) (RsnBaseSrc *src, GstCaps *caps);
/* called if, in negotiation, caps need fixating */
void (*fixate) (RsnBaseSrc *src, GstCaps *caps);
/* Clear any pending unlock request, as we succeeded in unlocking */
gboolean (*unlock_stop) (RsnBaseSrc *src);
/* Prepare the segment on which to perform do_seek(), converting to the
* current basesrc format. */
gboolean (*prepare_seek_segment) (RsnBaseSrc *src, GstEvent *seek,
GstSegment *segment);
gboolean (*prepare_seek_segment) (RsnBaseSrc *src, GstEvent *seek,
GstSegment *segment);
/*< private >*/
gpointer _gst_reserved[GST_PADDING_LARGE - 6];
};
GType rsn_base_src_get_type (void);
GType gst_base_src_get_type (void);
GstFlowReturn rsn_base_src_wait_playing (RsnBaseSrc *src);
GstFlowReturn gst_base_src_wait_playing (RsnBaseSrc *src);
void rsn_base_src_set_live (RsnBaseSrc *src, gboolean live);
gboolean rsn_base_src_is_live (RsnBaseSrc *src);
void gst_base_src_set_live (RsnBaseSrc *src, gboolean live);
gboolean gst_base_src_is_live (RsnBaseSrc *src);
void rsn_base_src_set_format (RsnBaseSrc *src, GstFormat format);
void gst_base_src_set_format (RsnBaseSrc *src, GstFormat format);
gboolean rsn_base_src_query_latency (RsnBaseSrc *src, gboolean * live,
GstClockTime * min_latency,
GstClockTime * max_latency);
gboolean gst_base_src_query_latency (RsnBaseSrc *src, gboolean * live,
GstClockTime * min_latency,
GstClockTime * max_latency);
void rsn_base_src_set_do_timestamp (RsnBaseSrc *src, gboolean live);
gboolean rsn_base_src_get_do_timestamp (RsnBaseSrc *src);
void gst_base_src_set_blocksize (RsnBaseSrc *src, gulong blocksize);
gulong gst_base_src_get_blocksize (RsnBaseSrc *src);
void gst_base_src_set_do_timestamp (RsnBaseSrc *src, gboolean timestamp);
gboolean gst_base_src_get_do_timestamp (RsnBaseSrc *src);
G_END_DECLS
#endif /* __GST_BASE_SRC_H__ */
#endif /* __RSN_BASE_SRC_H__ */

101
ext/resindvd/rsnpushsrc.c
View file

@ -1,101 +0,0 @@
/* GStreamer
* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
* 2000,2005 Wim Taymans <wim@fluendo.com>
*
* gstpushsrc.c:
*
* 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.
*/
/*
*
* This is a temporary copy of GstBaseSrc/GstPushSrc for the resin
* DVD components, to work around a deadlock with source elements that
* send seeks to themselves.
*
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <stdlib.h>
#include <string.h>
#include "rsnpushsrc.h"
#include <gst/gstmarshal.h>
GST_DEBUG_CATEGORY_STATIC (rsn_push_src_debug);
#define GST_CAT_DEFAULT rsn_push_src_debug
#define _do_init(type) \
GST_DEBUG_CATEGORY_INIT (rsn_push_src_debug, "pushsrc", 0, \
"pushsrc element");
GST_BOILERPLATE_FULL (RsnPushSrc, rsn_push_src, RsnBaseSrc, RSN_TYPE_BASE_SRC,
_do_init);
static gboolean rsn_push_src_check_get_range (RsnBaseSrc * src);
static GstFlowReturn rsn_push_src_create (RsnBaseSrc * bsrc, guint64 offset,
guint length, GstBuffer ** ret);
static void
rsn_push_src_base_init (gpointer g_class)
{
/* nop */
}
static void
rsn_push_src_class_init (RsnPushSrcClass * klass)
{
RsnBaseSrcClass *gstbasesrc_class = (RsnBaseSrcClass *) klass;
gstbasesrc_class->create = GST_DEBUG_FUNCPTR (rsn_push_src_create);
gstbasesrc_class->check_get_range =
GST_DEBUG_FUNCPTR (rsn_push_src_check_get_range);
}
static void
rsn_push_src_init (RsnPushSrc * pushsrc, RsnPushSrcClass * klass)
{
/* nop */
}
static gboolean
rsn_push_src_check_get_range (RsnBaseSrc * src)
{
/* a pushsrc can by default never operate in pull mode override
* if you want something different. */
return FALSE;
}
static GstFlowReturn
rsn_push_src_create (RsnBaseSrc * bsrc, guint64 offset, guint length,
GstBuffer ** ret)
{
GstFlowReturn fret;
RsnPushSrc *src;
RsnPushSrcClass *pclass;
src = GST_PUSH_SRC (bsrc);
pclass = GST_PUSH_SRC_GET_CLASS (src);
if (pclass->create)
fret = pclass->create (src, ret);
else
fret = GST_FLOW_ERROR;
return fret;
}

76
ext/resindvd/rsnpushsrc.h
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@ -1,76 +0,0 @@
/* GStreamer
* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
* 2000 Wim Taymans <wtay@chello.be>
* 2005 Wim Taymans <wim@fluendo.com>
*
* gstpushsrc.h:
*
* 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.
*/
/*
*
* This is a temporary copy of GstBaseSrc/GstPushSrc for the resin
* DVD components, to work around a deadlock with source elements that
* send seeks to themselves.
*
*/
#ifndef __GST_PUSH_SRC_H__
#define __GST_PUSH_SRC_H__
#include <gst/gst.h>
#include "rsnbasesrc.h"
G_BEGIN_DECLS
#define RSN_TYPE_PUSH_SRC (rsn_push_src_get_type())
#define GST_PUSH_SRC(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),RSN_TYPE_PUSH_SRC,RsnPushSrc))
#define GST_PUSH_SRC_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),RSN_TYPE_PUSH_SRC,RsnPushSrcClass))
#define GST_PUSH_SRC_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), RSN_TYPE_PUSH_SRC, RsnPushSrcClass))
#define GST_IS_PUSH_SRC(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),RSN_TYPE_PUSH_SRC))
#define GST_IS_PUSH_SRC_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),RSN_TYPE_PUSH_SRC))
typedef struct _RsnPushSrc RsnPushSrc;
typedef struct _RsnPushSrcClass RsnPushSrcClass;
/**
* RsnPushSrc:
* @parent: the parent base source object.
*
* The opaque #RsnPushSrc data structure.
*/
struct _RsnPushSrc {
RsnBaseSrc parent;
/*< private >*/
gpointer _gst_reserved[GST_PADDING];
};
struct _RsnPushSrcClass {
RsnBaseSrcClass parent_class;
/* ask the subclass to create a buffer */
GstFlowReturn (*create) (RsnPushSrc *src, GstBuffer **buf);
/*< private >*/
gpointer _gst_reserved[GST_PADDING];
};
GType rsn_push_src_get_type(void);
G_END_DECLS
#endif /* __GST_PUSH_SRC_H__ */