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authorRonald S. Bultje <rbultje@ronald.bitfreak.net>2004-11-25 20:03:51 +0000
committerRonald S. Bultje <rbultje@ronald.bitfreak.net>2004-11-25 20:03:51 +0000
commit97aeaa8eb0ff5e853f2dbd25b492da456073b4cb (patch)
treedcb67111db44a2f8f3acdbcfb39265fdb524d3d5
parentbcdcdcd3d63af7c01cb6980fc66b51e1a693fbb4 (diff)
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gst/cdxaparse/: SVCD/VCD header stripping separated from CDXA image parsing.
Original commit message from CVS: * gst/cdxaparse/Makefile.am: * gst/cdxaparse/gstcdxaparse.c: (gst_cdxaparse_get_type), (gst_cdxaparse_class_init), (gst_cdxaparse_init), (gst_cdxaparse_loop), (gst_cdxaparse_change_state), (plugin_init): * gst/cdxaparse/gstcdxaparse.h: * gst/cdxaparse/gstcdxastrip.c: (gst_cdxastrip_get_type), (gst_cdxastrip_base_init), (gst_cdxastrip_class_init), (gst_cdxastrip_init), (gst_cdxastrip_get_src_formats), (gst_cdxastrip_get_src_query_types), (gst_cdxastrip_handle_src_query), (gst_cdxastrip_get_event_mask), (gst_cdxastrip_handle_src_event), (gst_cdxastrip_strip), (gst_cdxastrip_sync), (gst_cdxastrip_handle_event), (gst_cdxastrip_chain), (gst_cdxastrip_change_state): * gst/cdxaparse/gstcdxastrip.h: SVCD/VCD header stripping separated from CDXA image parsing. * gst/typefind/gsttypefindfunctions.c: (mp3_type_find), (plugin_init): Add VCD/SVCD header typefinding for VCD/SVCD. * sys/vcd/vcdsrc.c: (gst_vcdsrc_get_type), (gst_vcdsrc_base_init), (gst_vcdsrc_class_init), (gst_vcdsrc_init), (gst_vcdsrc_set_property), (gst_vcdsrc_get_property), (gst_vcdsrc_get_event_mask), (gst_vcdsrc_get_query_types), (gst_vcdsrc_get_formats), (gst_vcdsrc_srcpad_event), (gst_vcdsrc_srcpad_query), (gst_vcdsrc_get), (gst_vcdsrc_open_file), (gst_vcdsrc_close_file), (gst_vcdsrc_change_state), (gst_vcdsrc_msf), (gst_vcdsrc_recalculate), (gst_vcdsrc_uri_get_type), (gst_vcdsrc_uri_get_protocols), (gst_vcdsrc_uri_get_uri), (gst_vcdsrc_uri_set_uri), (gst_vcdsrc_uri_handler_init): * sys/vcd/vcdsrc.h: Fix up, add seeking, querying, URI interface. Works in totem now.
-rw-r--r--ChangeLog34
-rw-r--r--gst/cdxaparse/Makefile.am11
-rw-r--r--gst/cdxaparse/gstcdxaparse.c132
-rw-r--r--gst/cdxaparse/gstcdxaparse.h16
-rw-r--r--gst/cdxaparse/gstcdxastrip.c411
-rw-r--r--gst/cdxaparse/gstcdxastrip.h67
-rw-r--r--gst/cdxaparse/gstvcdparse.c411
-rw-r--r--gst/cdxaparse/gstvcdparse.h67
-rw-r--r--sys/vcd/vcdsrc.c507
-rw-r--r--sys/vcd/vcdsrc.h39
10 files changed, 1437 insertions, 258 deletions
diff --git a/ChangeLog b/ChangeLog
index 29451987..fc81b697 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,37 @@
+2004-11-25 Ronald S. Bultje <rbultje@ronald.bitfreak.net>
+
+ * gst/cdxaparse/Makefile.am:
+ * gst/cdxaparse/gstcdxaparse.c: (gst_cdxaparse_get_type),
+ (gst_cdxaparse_class_init), (gst_cdxaparse_init),
+ (gst_cdxaparse_loop), (gst_cdxaparse_change_state), (plugin_init):
+ * gst/cdxaparse/gstcdxaparse.h:
+ * gst/cdxaparse/gstcdxastrip.c: (gst_cdxastrip_get_type),
+ (gst_cdxastrip_base_init), (gst_cdxastrip_class_init),
+ (gst_cdxastrip_init), (gst_cdxastrip_get_src_formats),
+ (gst_cdxastrip_get_src_query_types),
+ (gst_cdxastrip_handle_src_query), (gst_cdxastrip_get_event_mask),
+ (gst_cdxastrip_handle_src_event), (gst_cdxastrip_strip),
+ (gst_cdxastrip_sync), (gst_cdxastrip_handle_event),
+ (gst_cdxastrip_chain), (gst_cdxastrip_change_state):
+ * gst/cdxaparse/gstcdxastrip.h:
+ SVCD/VCD header stripping separated from CDXA image parsing.
+ * gst/typefind/gsttypefindfunctions.c: (mp3_type_find),
+ (plugin_init):
+ Add VCD/SVCD header typefinding for VCD/SVCD.
+ * sys/vcd/vcdsrc.c: (gst_vcdsrc_get_type), (gst_vcdsrc_base_init),
+ (gst_vcdsrc_class_init), (gst_vcdsrc_init),
+ (gst_vcdsrc_set_property), (gst_vcdsrc_get_property),
+ (gst_vcdsrc_get_event_mask), (gst_vcdsrc_get_query_types),
+ (gst_vcdsrc_get_formats), (gst_vcdsrc_srcpad_event),
+ (gst_vcdsrc_srcpad_query), (gst_vcdsrc_get),
+ (gst_vcdsrc_open_file), (gst_vcdsrc_close_file),
+ (gst_vcdsrc_change_state), (gst_vcdsrc_msf),
+ (gst_vcdsrc_recalculate), (gst_vcdsrc_uri_get_type),
+ (gst_vcdsrc_uri_get_protocols), (gst_vcdsrc_uri_get_uri),
+ (gst_vcdsrc_uri_set_uri), (gst_vcdsrc_uri_handler_init):
+ * sys/vcd/vcdsrc.h:
+ Fix up, add seeking, querying, URI interface. Works in totem now.
+
2004-11-25 Thomas Vander Stichele <thomas at apestaart dot org>
* configure.ac:
diff --git a/gst/cdxaparse/Makefile.am b/gst/cdxaparse/Makefile.am
index 411579cc..ef9315b7 100644
--- a/gst/cdxaparse/Makefile.am
+++ b/gst/cdxaparse/Makefile.am
@@ -1,11 +1,12 @@
+plugin_LTLIBRARIES = libgstcdxaparse.la
-plugin_LTLIBRARIES = \
- libgstcdxaparse.la
-
-libgstcdxaparse_la_SOURCES = gstcdxaparse.c
+libgstcdxaparse_la_SOURCES = \
+ gstcdxaparse.c \
+ gstcdxastrip.c
noinst_HEADERS = \
- gstcdxaparse.h
+ gstcdxaparse.h \
+ gstcdxastrip.h
libgstcdxaparse_la_CFLAGS = $(GST_CFLAGS)
libgstcdxaparse_la_LIBADD =
diff --git a/gst/cdxaparse/gstcdxaparse.c b/gst/cdxaparse/gstcdxaparse.c
index 472f6482..ef9f521f 100644
--- a/gst/cdxaparse/gstcdxaparse.c
+++ b/gst/cdxaparse/gstcdxaparse.c
@@ -18,13 +18,13 @@
* Boston, MA 02111-1307, USA.
*/
-
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <string.h>
#include "gstcdxaparse.h"
+#include "gstcdxastrip.h"
#include "gst/riff/riff-ids.h"
#include "gst/riff/riff-media.h"
@@ -32,9 +32,8 @@ static void gst_cdxaparse_base_init (gpointer g_class);
static void gst_cdxaparse_class_init (GstCDXAParseClass * klass);
static void gst_cdxaparse_init (GstCDXAParse * cdxaparse);
-static GstElementStateReturn gst_cdxaparse_change_state (GstElement * element);
-
static void gst_cdxaparse_loop (GstElement * element);
+static GstElementStateReturn gst_cdxaparse_change_state (GstElement * element);
static GstStaticPadTemplate sink_template_factory =
GST_STATIC_PAD_TEMPLATE ("sink",
@@ -50,20 +49,7 @@ GST_STATIC_PAD_TEMPLATE ("src",
GST_STATIC_CAPS ("video/mpeg, " "systemstream = (boolean) TRUE")
);
-/* CDXAParse signals and args */
-enum
-{
- /* FILL ME */
- LAST_SIGNAL
-};
-
-enum
-{
- ARG_0,
- /* FILL ME */
-};
-
-static GstElementClass *parent_class = NULL;
+static GstRiffReadClass *parent_class = NULL;
GType
gst_cdxaparse_get_type (void)
@@ -87,6 +73,7 @@ gst_cdxaparse_get_type (void)
g_type_register_static (GST_TYPE_RIFF_READ, "GstCDXAParse",
&cdxaparse_info, 0);
}
+
return cdxaparse_type;
}
@@ -113,11 +100,7 @@ gst_cdxaparse_base_init (gpointer g_class)
static void
gst_cdxaparse_class_init (GstCDXAParseClass * klass)
{
- GstElementClass *gstelement_class;
- GObjectClass *object_class;
-
- gstelement_class = (GstElementClass *) klass;
- object_class = (GObjectClass *) klass;
+ GstElementClass *gstelement_class = GST_ELEMENT_CLASS (klass);
parent_class = g_type_class_ref (GST_TYPE_RIFF_READ);
@@ -127,23 +110,23 @@ gst_cdxaparse_class_init (GstCDXAParseClass * klass)
static void
gst_cdxaparse_init (GstCDXAParse * cdxaparse)
{
- /* sink */
+ /* FIXME: this element needs to be event aware */
+
cdxaparse->sinkpad =
gst_pad_new_from_template (gst_static_pad_template_get
(&sink_template_factory), "sink");
- gst_element_add_pad (GST_ELEMENT (cdxaparse), cdxaparse->sinkpad);
GST_RIFF_READ (cdxaparse)->sinkpad = cdxaparse->sinkpad;
-
-
- gst_element_set_loop_function (GST_ELEMENT (cdxaparse), gst_cdxaparse_loop);
-
- cdxaparse->state = GST_CDXAPARSE_START;
+ gst_element_add_pad (GST_ELEMENT (cdxaparse), cdxaparse->sinkpad);
cdxaparse->srcpad =
gst_pad_new_from_template (gst_static_pad_template_get
(&src_template_factory), "src");
+ /* FIXME: event, query */
gst_element_add_pad (GST_ELEMENT (cdxaparse), cdxaparse->srcpad);
+ gst_element_set_loop_function (GST_ELEMENT (cdxaparse), gst_cdxaparse_loop);
+
+ cdxaparse->state = GST_CDXAPARSE_START;
cdxaparse->seek_pending = FALSE;
cdxaparse->seek_offset = 0;
}
@@ -211,23 +194,6 @@ gst_cdxaparse_other (GstCDXAParse * cdxa)
return TRUE;
}
-/*
-
-A sector is 2352 bytes long and is composed of:
-
-! sync ! header ! subheader ! data ... ! edc !
-! 12 bytes ! 4 bytes ! 8 bytes ! 2324 bytes ! 4 bytes !
-!-------------------------------------------------------!
-
-We parse the data out of it and send it to the srcpad.
-
-sync : 00 FF FF FF FF FF FF FF FF FF FF 00
-header : hour minute second mode
-sub-header : track channel sub_mode coding repeat (4 bytes)
-edc : checksum
-
-*/
-
static void
gst_cdxaparse_loop (GstElement * element)
{
@@ -235,32 +201,49 @@ gst_cdxaparse_loop (GstElement * element)
GstRiffRead *riff = GST_RIFF_READ (cdxa);
if (cdxa->state == GST_CDXAPARSE_DATA) {
-
if (cdxa->dataleft > 0) {
+ gint sync;
guint32 got_bytes, desired;
GstBuffer *buf = NULL;
GstBuffer *outbuf = NULL;
- desired = GST_CDXA_SECTOR_SIZE;
+ /* resync */
+ desired = cdxa->dataleft;
+ if (desired > 1024)
+ desired = 1024;
+ if (gst_bytestream_peek (riff->bs, &buf, desired) != desired) {
+ GST_ELEMENT_ERROR (element, RESOURCE, READ, (NULL), (NULL));
+ return;
+ }
+ sync = gst_cdxastrip_sync (buf);
+ if (sync == -1) {
+ gst_bytestream_flush_fast (riff->bs, desired);
+ cdxa->dataleft -= desired;
+ return;
+ }
+ if (sync > 0) {
+ if (cdxa->dataleft < sync)
+ sync = cdxa->dataleft;
+ gst_bytestream_flush_fast (riff->bs, sync);
+ cdxa->dataleft -= sync;
+ if (cdxa->dataleft == 0)
+ return;
+ }
+ /* get data */
+ desired = GST_CDXA_SECTOR_SIZE;
if (!(buf = gst_riff_read_element_data (riff, desired, &got_bytes)))
return;
/* Skip CDXA headers, only keep data */
- outbuf =
- gst_buffer_create_sub (buf, GST_CDXA_HEADER_SIZE, GST_CDXA_DATA_SIZE);
-
- gst_buffer_unref (buf);
+ outbuf = gst_cdxastrip_strip (buf);
gst_pad_push (cdxa->srcpad, GST_DATA (outbuf));
- cdxa->byteoffset += got_bytes;
- if (got_bytes < cdxa->dataleft) {
+ if (got_bytes < cdxa->dataleft)
cdxa->dataleft -= got_bytes;
- return;
- } else {
+ else
cdxa->dataleft = 0;
- cdxa->state = GST_CDXAPARSE_OTHER;
- }
+ return;
} else {
cdxa->state = GST_CDXAPARSE_OTHER;
}
@@ -268,30 +251,23 @@ gst_cdxaparse_loop (GstElement * element)
switch (cdxa->state) {
case GST_CDXAPARSE_START:
- if (!gst_cdxaparse_stream_init (cdxa)) {
+ if (!gst_cdxaparse_stream_init (cdxa))
return;
- }
-
cdxa->state = GST_CDXAPARSE_FMT;
/* fall-through */
case GST_CDXAPARSE_FMT:
- if (!gst_cdxaparse_fmt (cdxa)) {
+ if (!gst_cdxaparse_fmt (cdxa))
return;
- }
-
cdxa->state = GST_CDXAPARSE_OTHER;
/* fall-through */
case GST_CDXAPARSE_OTHER:
- if (!gst_cdxaparse_other (cdxa)) {
+ if (!gst_cdxaparse_other (cdxa))
return;
- }
-
break;
case GST_CDXAPARSE_DATA:
-
default:
g_assert_not_reached ();
}
@@ -303,27 +279,15 @@ gst_cdxaparse_change_state (GstElement * element)
GstCDXAParse *cdxa = GST_CDXAPARSE (element);
switch (GST_STATE_TRANSITION (element)) {
- case GST_STATE_NULL_TO_READY:
- break;
-
case GST_STATE_READY_TO_PAUSED:
cdxa->state = GST_CDXAPARSE_START;
break;
-
- case GST_STATE_PAUSED_TO_PLAYING:
- break;
-
- case GST_STATE_PLAYING_TO_PAUSED:
- break;
-
case GST_STATE_PAUSED_TO_READY:
cdxa->state = GST_CDXAPARSE_START;
-
cdxa->seek_pending = FALSE;
cdxa->seek_offset = 0;
break;
-
- case GST_STATE_READY_TO_NULL:
+ default:
break;
}
@@ -336,12 +300,14 @@ gst_cdxaparse_change_state (GstElement * element)
static gboolean
plugin_init (GstPlugin * plugin)
{
- if (!gst_library_load ("riff")) {
+ if (!gst_library_load ("riff") || !gst_library_load ("gstbytestream")) {
return FALSE;
}
return gst_element_register (plugin, "cdxaparse", GST_RANK_PRIMARY,
- GST_TYPE_CDXAPARSE);
+ GST_TYPE_CDXAPARSE) &&
+ gst_element_register (plugin, "cdxastrip",
+ GST_RANK_PRIMARY, GST_TYPE_CDXASTRIP);
}
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
diff --git a/gst/cdxaparse/gstcdxaparse.h b/gst/cdxaparse/gstcdxaparse.h
index 1ad618a1..0177b94b 100644
--- a/gst/cdxaparse/gstcdxaparse.h
+++ b/gst/cdxaparse/gstcdxaparse.h
@@ -18,7 +18,6 @@
* Boston, MA 02111-1307, USA.
*/
-
#ifndef __GST_CDXAPARSE_H__
#define __GST_CDXAPARSE_H__
@@ -26,9 +25,7 @@
#include "gst/riff/riff-ids.h"
#include "gst/riff/riff-read.h"
-#ifdef __cplusplus
-extern "C" {
-#endif /* __cplusplus */
+G_BEGIN_DECLS
#define GST_TYPE_CDXAPARSE \
(gst_cdxaparse_get_type())
@@ -41,10 +38,6 @@ extern "C" {
#define GST_IS_CDXAPARSE_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_CDXAPARSE))
-#define GST_CDXA_SECTOR_SIZE 2352
-#define GST_CDXA_DATA_SIZE 2324
-#define GST_CDXA_HEADER_SIZE 24
-
typedef enum {
GST_CDXAPARSE_START,
GST_CDXAPARSE_FMT,
@@ -65,7 +58,6 @@ struct _GstCDXAParse {
GstCDXAParseState state;
guint64 dataleft, datasize, datastart;
- int byteoffset;
gboolean seek_pending;
guint64 seek_offset;
@@ -77,10 +69,6 @@ struct _GstCDXAParseClass {
GType gst_cdxaparse_get_type (void);
-#ifdef __cplusplus
-}
-#endif /* __cplusplus */
-
+G_END_DECLS
#endif /* __GST_CDXAPARSE_H__ */
-
diff --git a/gst/cdxaparse/gstcdxastrip.c b/gst/cdxaparse/gstcdxastrip.c
new file mode 100644
index 00000000..312c3028
--- /dev/null
+++ b/gst/cdxaparse/gstcdxastrip.c
@@ -0,0 +1,411 @@
+/* GStreamer CDXA sync strippper
+ * Copyright (C) 2004 Ronald Bultje <rbultje@ronald.bitfreak.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 "gstcdxastrip.h"
+
+static void gst_cdxastrip_base_init (GstCDXAStripClass * klass);
+static void gst_cdxastrip_class_init (GstCDXAStripClass * klass);
+static void gst_cdxastrip_init (GstCDXAStrip * cdxastrip);
+
+static const GstEventMask *gst_cdxastrip_get_event_mask (GstPad * pad);
+static gboolean gst_cdxastrip_handle_src_event (GstPad * pad, GstEvent * event);
+static const GstFormat *gst_cdxastrip_get_src_formats (GstPad * pad);
+static const GstQueryType *gst_cdxastrip_get_src_query_types (GstPad * pad);
+static gboolean gst_cdxastrip_handle_src_query (GstPad * pad,
+ GstQueryType type, GstFormat * format, gint64 * value);
+
+static void gst_cdxastrip_chain (GstPad * pad, GstData * data);
+static GstElementStateReturn gst_cdxastrip_change_state (GstElement * element);
+
+static GstStaticPadTemplate sink_template_factory =
+GST_STATIC_PAD_TEMPLATE ("sink",
+ GST_PAD_SINK,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS ("video/x-vcd")
+ );
+
+static GstStaticPadTemplate src_template_factory =
+GST_STATIC_PAD_TEMPLATE ("src",
+ GST_PAD_SRC,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS ("video/mpeg, " "systemstream = (boolean) TRUE")
+ );
+
+static GstElementClass *parent_class = NULL;
+
+GType
+gst_cdxastrip_get_type (void)
+{
+ static GType cdxastrip_type = 0;
+
+ if (!cdxastrip_type) {
+ static const GTypeInfo cdxastrip_info = {
+ sizeof (GstCDXAStripClass),
+ (GBaseInitFunc) gst_cdxastrip_base_init,
+ NULL,
+ (GClassInitFunc) gst_cdxastrip_class_init,
+ NULL,
+ NULL,
+ sizeof (GstCDXAStrip),
+ 0,
+ (GInstanceInitFunc) gst_cdxastrip_init,
+ };
+
+ cdxastrip_type =
+ g_type_register_static (GST_TYPE_ELEMENT, "GstCDXAStrip",
+ &cdxastrip_info, 0);
+ }
+
+ return cdxastrip_type;
+}
+
+static void
+gst_cdxastrip_base_init (GstCDXAStripClass * klass)
+{
+ GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
+ static GstElementDetails gst_cdxastrip_details =
+ GST_ELEMENT_DETAILS ("vcd parser",
+ "Codec/Parser",
+ "Strip (S)VCD stream from its syncheaders",
+ "Ronald Bultje <rbultje@ronald.bitfreak.net>");
+
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&sink_template_factory));
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&src_template_factory));
+
+ gst_element_class_set_details (element_class, &gst_cdxastrip_details);
+}
+
+static void
+gst_cdxastrip_class_init (GstCDXAStripClass * klass)
+{
+ GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
+
+ parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
+
+ element_class->change_state = gst_cdxastrip_change_state;
+}
+
+static void
+gst_cdxastrip_init (GstCDXAStrip * cdxastrip)
+{
+ GST_FLAG_SET (cdxastrip, GST_ELEMENT_EVENT_AWARE);
+
+ cdxastrip->sinkpad =
+ gst_pad_new_from_template (gst_static_pad_template_get
+ (&sink_template_factory), "sink");
+ gst_pad_set_chain_function (cdxastrip->sinkpad, gst_cdxastrip_chain);
+ gst_element_add_pad (GST_ELEMENT (cdxastrip), cdxastrip->sinkpad);
+
+ cdxastrip->srcpad =
+ gst_pad_new_from_template (gst_static_pad_template_get
+ (&src_template_factory), "src");
+ gst_pad_set_formats_function (cdxastrip->srcpad,
+ gst_cdxastrip_get_src_formats);
+ gst_pad_set_event_mask_function (cdxastrip->srcpad,
+ gst_cdxastrip_get_event_mask);
+ gst_pad_set_event_function (cdxastrip->srcpad,
+ gst_cdxastrip_handle_src_event);
+ gst_pad_set_query_type_function (cdxastrip->srcpad,
+ gst_cdxastrip_get_src_query_types);
+ gst_pad_set_query_function (cdxastrip->srcpad,
+ gst_cdxastrip_handle_src_query);
+ gst_element_add_pad (GST_ELEMENT (cdxastrip), cdxastrip->srcpad);
+}
+
+/*
+ * Stuff.
+ */
+
+static const GstFormat *
+gst_cdxastrip_get_src_formats (GstPad * pad)
+{
+ static const GstFormat formats[] = {
+ GST_FORMAT_BYTES,
+ 0
+ };
+
+ return formats;
+}
+
+static const GstQueryType *
+gst_cdxastrip_get_src_query_types (GstPad * pad)
+{
+ static const GstQueryType types[] = {
+ GST_QUERY_TOTAL,
+ GST_QUERY_POSITION,
+ 0
+ };
+
+ return types;
+}
+
+static gboolean
+gst_cdxastrip_handle_src_query (GstPad * pad,
+ GstQueryType type, GstFormat * format, gint64 * value)
+{
+ GstCDXAStrip *cdxa = GST_CDXASTRIP (gst_pad_get_parent (pad));
+
+ if (!gst_pad_query (GST_PAD_PEER (cdxa->sinkpad), type, format, value))
+ return FALSE;
+
+ if (*format != GST_FORMAT_BYTES)
+ return TRUE;
+
+ switch (type) {
+ case GST_QUERY_TOTAL:
+ case GST_QUERY_POSITION:{
+ gint num, rest;
+
+ num = *value / GST_CDXA_SECTOR_SIZE;
+ rest = *value % GST_CDXA_SECTOR_SIZE;
+
+ *value = num * GST_CDXA_DATA_SIZE;
+ if (rest > GST_CDXA_HEADER_SIZE) {
+ if (rest >= GST_CDXA_HEADER_SIZE + GST_CDXA_DATA_SIZE)
+ *value += GST_CDXA_DATA_SIZE;
+ else
+ *value += rest - GST_CDXA_HEADER_SIZE;
+ }
+ break;
+ }
+ default:
+ break;
+ }
+
+ return TRUE;
+}
+
+static const GstEventMask *
+gst_cdxastrip_get_event_mask (GstPad * pad)
+{
+ static const GstEventMask masks[] = {
+ {GST_EVENT_SEEK, GST_SEEK_METHOD_SET | GST_SEEK_FLAG_KEY_UNIT},
+ {0,}
+ };
+
+ return masks;
+}
+
+static gboolean
+gst_cdxastrip_handle_src_event (GstPad * pad, GstEvent * event)
+{
+ GstCDXAStrip *cdxa = GST_CDXASTRIP (gst_pad_get_parent (pad));
+
+ switch (GST_EVENT_TYPE (event)) {
+ case GST_EVENT_SEEK:
+ switch (GST_EVENT_SEEK_FORMAT (event)) {
+ case GST_FORMAT_BYTES:{
+ GstEvent *new;
+ gint64 off;
+ gint num, rest;
+
+ off = GST_EVENT_SEEK_OFFSET (event);
+ num = off / GST_CDXA_DATA_SIZE;
+ rest = off % GST_CDXA_DATA_SIZE;
+ off = num * GST_CDXA_SECTOR_SIZE;
+ if (rest > 0)
+ off += rest + GST_CDXA_HEADER_SIZE;
+ new = gst_event_new_seek (GST_EVENT_SEEK_TYPE (event), off);
+ gst_event_unref (event);
+ event = new;
+ }
+ default:
+ break;
+ }
+ break;
+ default:
+ break;
+ }
+
+ return gst_pad_send_event (GST_PAD_PEER (cdxa->sinkpad), event);
+}
+
+/*
+ * A sector is 2352 bytes long and is composed of:
+ *
+ * ! sync ! header ! subheader ! data ... ! edc !
+ * ! 12 bytes ! 4 bytes ! 8 bytes ! 2324 bytes ! 4 bytes !
+ * !-------------------------------------------------------!
+ *
+ * We strip the data out of it and send it to the srcpad.
+ *
+ * sync : 00 FF FF FF FF FF FF FF FF FF FF 00
+ * header : hour minute second mode
+ * sub-header : track channel sub_mode coding repeat (4 bytes)
+ * edc : checksum
+ */
+
+GstBuffer *
+gst_cdxastrip_strip (GstBuffer * buf)
+{
+ GstBuffer *sub;
+
+ g_assert (GST_BUFFER_SIZE (buf) >= GST_CDXA_SECTOR_SIZE);
+
+ /* Skip CDXA headers, only keep data.
+ * FIXME: check sync, resync, ... */
+ sub = gst_buffer_create_sub (buf, GST_CDXA_HEADER_SIZE, GST_CDXA_DATA_SIZE);
+ gst_buffer_unref (buf);
+
+ return sub;
+}
+
+/*
+ * -1 = no sync (discard buffer),
+ * otherwise offset indicates syncpoint in buffer.
+ */
+
+gint
+gst_cdxastrip_sync (GstBuffer * buf)
+{
+ guint size, off = 0;
+ guint8 *data;
+
+ for (size = GST_BUFFER_SIZE (buf), data = GST_BUFFER_DATA (buf);
+ size >= 12; size--, data++, off++) {
+ /* we could do a checksum check as well, but who cares... */
+ if (!memcmp (data, "\000\377\377\377\377\377\377\377\377\377\377\000", 12))
+ return off;
+ }
+
+ return -1;
+}
+
+/*
+ * Do stuff.
+ */
+
+static void
+gst_cdxastrip_handle_event (GstCDXAStrip * cdxa, GstEvent * event)
+{
+ switch (GST_EVENT_TYPE (event)) {
+ case GST_EVENT_DISCONTINUOUS:{
+ gint64 new_off, off;
+
+ if (gst_event_discont_get_value (event, GST_FORMAT_BYTES, &new_off)) {
+ GstEvent *new;
+ gint chunknum, rest;
+
+ chunknum = new_off / GST_CDXA_SECTOR_SIZE;
+ rest = new_off % GST_CDXA_SECTOR_SIZE;
+ off = chunknum * GST_CDXA_DATA_SIZE;
+ if (rest > GST_CDXA_HEADER_SIZE) {
+ if (rest >= GST_CDXA_HEADER_SIZE + GST_CDXA_DATA_SIZE)
+ off += GST_CDXA_DATA_SIZE;
+ else
+ off += rest - GST_CDXA_HEADER_SIZE;
+ }
+ new = gst_event_new_discontinuous (GST_EVENT_DISCONT_NEW_MEDIA (event),
+ GST_FORMAT_BYTES, new_off, GST_FORMAT_UNDEFINED);
+ gst_event_unref (event);
+ event = new;
+ }
+ gst_pad_event_default (cdxa->sinkpad, event);
+ break;
+ }
+ case GST_EVENT_FLUSH:
+ if (cdxa->cache) {
+ gst_buffer_unref (cdxa->cache);
+ cdxa->cache = NULL;
+ }
+ /* fall-through */
+ default:
+ gst_pad_event_default (cdxa->sinkpad, event);
+ break;
+ }
+}
+
+static void
+gst_cdxastrip_chain (GstPad * pad, GstData * data)
+{
+ GstCDXAStrip *cdxa = GST_CDXASTRIP (gst_pad_get_parent (pad));
+ GstBuffer *buf, *sub;
+ gint sync;
+
+ if (GST_IS_EVENT (data)) {
+ gst_cdxastrip_handle_event (cdxa, GST_EVENT (data));
+ return;
+ }
+
+ buf = GST_BUFFER (data);
+ if (cdxa->cache) {
+ buf = gst_buffer_join (cdxa->cache, buf);
+ }
+ cdxa->cache = NULL;
+
+ while (buf && GST_BUFFER_SIZE (buf) >= GST_CDXA_SECTOR_SIZE) {
+ /* sync */
+ sync = gst_cdxastrip_sync (buf);
+ if (sync < 0) {
+ gst_buffer_unref (buf);
+ return;
+ }
+ sub = gst_buffer_create_sub (buf, sync, GST_BUFFER_SIZE (buf) - sync);
+ gst_buffer_unref (buf);
+ buf = sub;
+ if (GST_BUFFER_SIZE (buf) < GST_CDXA_SECTOR_SIZE)
+ break;
+
+ /* one chunk */
+ sub = gst_cdxastrip_strip (gst_buffer_ref (buf));
+ gst_pad_push (cdxa->srcpad, GST_DATA (sub));
+
+ /* cache */
+ if (GST_BUFFER_SIZE (buf) != GST_CDXA_SECTOR_SIZE) {
+ sub = gst_buffer_create_sub (buf, GST_CDXA_SECTOR_SIZE,
+ GST_BUFFER_SIZE (buf) - GST_CDXA_SECTOR_SIZE);
+ } else {
+ sub = NULL;
+ }
+ gst_buffer_unref (buf);
+ buf = sub;
+ }
+
+ cdxa->cache = buf;
+}
+
+static GstElementStateReturn
+gst_cdxastrip_change_state (GstElement * element)
+{
+ GstCDXAStrip *cdxa = GST_CDXASTRIP (element);
+
+ switch (GST_STATE_TRANSITION (element)) {
+ case GST_STATE_PAUSED_TO_READY:
+ if (cdxa->cache) {
+ gst_buffer_unref (cdxa->cache);
+ cdxa->cache = NULL;
+ }
+ break;
+ default:
+ break;
+ }
+
+ if (parent_class->change_state)
+ return parent_class->change_state (element);
+
+ return GST_STATE_SUCCESS;
+}
diff --git a/gst/cdxaparse/gstcdxastrip.h b/gst/cdxaparse/gstcdxastrip.h
new file mode 100644
index 00000000..59cf4ab6
--- /dev/null
+++ b/gst/cdxaparse/gstcdxastrip.h
@@ -0,0 +1,67 @@
+/* GStreamer CDXA sync strippper
+ * Copyright (C) 2004 Ronald Bultje <rbultje@ronald.bitfreak.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.
+ */
+
+#ifndef __GST_CDXASTRIP_H__
+#define __GST_CDXASTRIP_H__
+
+#include <gst/gst.h>
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_CDXASTRIP \
+ (gst_cdxastrip_get_type())
+#define GST_CDXASTRIP(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_CDXASTRIP,GstCDXAStrip))
+#define GST_CDXASTRIP_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_CDXASTRIP,GstCDXAStrip))
+#define GST_IS_CDXASTRIP(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_CDXASTRIP))
+#define GST_IS_CDXASTRIP_CLASS(obj) \
+ (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_CDXASTRIP))
+
+#define GST_CDXA_SECTOR_SIZE 2352
+#define GST_CDXA_DATA_SIZE 2324
+#define GST_CDXA_HEADER_SIZE 24
+
+typedef struct _GstCDXAStrip GstCDXAStrip;
+typedef struct _GstCDXAStripClass GstCDXAStripClass;
+
+struct _GstCDXAStrip {
+ GstElement parent;
+
+ /* pads */
+ GstPad *sinkpad, *srcpad;
+ GstBuffer *cache;
+};
+
+struct _GstCDXAStripClass {
+ GstElementClass parent_class;
+};
+
+GType gst_cdxastrip_get_type (void);
+
+/*
+ * Also useful for CDXAparse.
+ */
+GstBuffer * gst_cdxastrip_strip (GstBuffer * buf);
+gint gst_cdxastrip_sync (GstBuffer * buf);
+
+G_END_DECLS
+
+#endif /* __GST_CDXASTRIP_H__ */
diff --git a/gst/cdxaparse/gstvcdparse.c b/gst/cdxaparse/gstvcdparse.c
new file mode 100644
index 00000000..312c3028
--- /dev/null
+++ b/gst/cdxaparse/gstvcdparse.c
@@ -0,0 +1,411 @@
+/* GStreamer CDXA sync strippper
+ * Copyright (C) 2004 Ronald Bultje <rbultje@ronald.bitfreak.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 "gstcdxastrip.h"
+
+static void gst_cdxastrip_base_init (GstCDXAStripClass * klass);
+static void gst_cdxastrip_class_init (GstCDXAStripClass * klass);
+static void gst_cdxastrip_init (GstCDXAStrip * cdxastrip);
+
+static const GstEventMask *gst_cdxastrip_get_event_mask (GstPad * pad);
+static gboolean gst_cdxastrip_handle_src_event (GstPad * pad, GstEvent * event);
+static const GstFormat *gst_cdxastrip_get_src_formats (GstPad * pad);
+static const GstQueryType *gst_cdxastrip_get_src_query_types (GstPad * pad);
+static gboolean gst_cdxastrip_handle_src_query (GstPad * pad,
+ GstQueryType type, GstFormat * format, gint64 * value);
+
+static void gst_cdxastrip_chain (GstPad * pad, GstData * data);
+static GstElementStateReturn gst_cdxastrip_change_state (GstElement * element);
+
+static GstStaticPadTemplate sink_template_factory =
+GST_STATIC_PAD_TEMPLATE ("sink",
+ GST_PAD_SINK,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS ("video/x-vcd")
+ );
+
+static GstStaticPadTemplate src_template_factory =
+GST_STATIC_PAD_TEMPLATE ("src",
+ GST_PAD_SRC,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS ("video/mpeg, " "systemstream = (boolean) TRUE")
+ );
+
+static GstElementClass *parent_class = NULL;
+
+GType
+gst_cdxastrip_get_type (void)
+{
+ static GType cdxastrip_type = 0;
+
+ if (!cdxastrip_type) {
+ static const GTypeInfo cdxastrip_info = {
+ sizeof (GstCDXAStripClass),
+ (GBaseInitFunc) gst_cdxastrip_base_init,
+ NULL,
+ (GClassInitFunc) gst_cdxastrip_class_init,
+ NULL,
+ NULL,
+ sizeof (GstCDXAStrip),
+ 0,
+ (GInstanceInitFunc) gst_cdxastrip_init,
+ };
+
+ cdxastrip_type =
+ g_type_register_static (GST_TYPE_ELEMENT, "GstCDXAStrip",
+ &cdxastrip_info, 0);
+ }
+
+ return cdxastrip_type;
+}
+
+static void
+gst_cdxastrip_base_init (GstCDXAStripClass * klass)
+{
+ GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
+ static GstElementDetails gst_cdxastrip_details =
+ GST_ELEMENT_DETAILS ("vcd parser",
+ "Codec/Parser",
+ "Strip (S)VCD stream from its syncheaders",
+ "Ronald Bultje <rbultje@ronald.bitfreak.net>");
+
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&sink_template_factory));
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&src_template_factory));
+
+ gst_element_class_set_details (element_class, &gst_cdxastrip_details);
+}
+
+static void
+gst_cdxastrip_class_init (GstCDXAStripClass * klass)
+{
+ GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
+
+ parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
+
+ element_class->change_state = gst_cdxastrip_change_state;
+}
+
+static void
+gst_cdxastrip_init (GstCDXAStrip * cdxastrip)
+{
+ GST_FLAG_SET (cdxastrip, GST_ELEMENT_EVENT_AWARE);
+
+ cdxastrip->sinkpad =
+ gst_pad_new_from_template (gst_static_pad_template_get
+ (&sink_template_factory), "sink");
+ gst_pad_set_chain_function (cdxastrip->sinkpad, gst_cdxastrip_chain);
+ gst_element_add_pad (GST_ELEMENT (cdxastrip), cdxastrip->sinkpad);
+
+ cdxastrip->srcpad =
+ gst_pad_new_from_template (gst_static_pad_template_get
+ (&src_template_factory), "src");
+ gst_pad_set_formats_function (cdxastrip->srcpad,
+ gst_cdxastrip_get_src_formats);
+ gst_pad_set_event_mask_function (cdxastrip->srcpad,
+ gst_cdxastrip_get_event_mask);
+ gst_pad_set_event_function (cdxastrip->srcpad,
+ gst_cdxastrip_handle_src_event);
+ gst_pad_set_query_type_function (cdxastrip->srcpad,
+ gst_cdxastrip_get_src_query_types);
+ gst_pad_set_query_function (cdxastrip->srcpad,
+ gst_cdxastrip_handle_src_query);
+ gst_element_add_pad (GST_ELEMENT (cdxastrip), cdxastrip->srcpad);
+}
+
+/*
+ * Stuff.
+ */
+
+static const GstFormat *
+gst_cdxastrip_get_src_formats (GstPad * pad)
+{
+ static const GstFormat formats[] = {
+ GST_FORMAT_BYTES,
+ 0
+ };
+
+ return formats;
+}
+
+static const GstQueryType *
+gst_cdxastrip_get_src_query_types (GstPad * pad)
+{
+ static const GstQueryType types[] = {
+ GST_QUERY_TOTAL,
+ GST_QUERY_POSITION,
+ 0
+ };
+
+ return types;
+}
+
+static gboolean
+gst_cdxastrip_handle_src_query (GstPad * pad,
+ GstQueryType type, GstFormat * format, gint64 * value)
+{
+ GstCDXAStrip *cdxa = GST_CDXASTRIP (gst_pad_get_parent (pad));
+
+ if (!gst_pad_query (GST_PAD_PEER (cdxa->sinkpad), type, format, value))
+ return FALSE;
+
+ if (*format != GST_FORMAT_BYTES)
+ return TRUE;
+
+ switch (type) {
+ case GST_QUERY_TOTAL:
+ case GST_QUERY_POSITION:{
+ gint num, rest;
+
+ num = *value / GST_CDXA_SECTOR_SIZE;
+ rest = *value % GST_CDXA_SECTOR_SIZE;
+
+ *value = num * GST_CDXA_DATA_SIZE;
+ if (rest > GST_CDXA_HEADER_SIZE) {
+ if (rest >= GST_CDXA_HEADER_SIZE + GST_CDXA_DATA_SIZE)
+ *value += GST_CDXA_DATA_SIZE;
+ else
+ *value += rest - GST_CDXA_HEADER_SIZE;
+ }
+ break;
+ }
+ default:
+ break;
+ }
+
+ return TRUE;
+}
+
+static const GstEventMask *
+gst_cdxastrip_get_event_mask (GstPad * pad)
+{
+ static const GstEventMask masks[] = {
+ {GST_EVENT_SEEK, GST_SEEK_METHOD_SET | GST_SEEK_FLAG_KEY_UNIT},
+ {0,}
+ };
+
+ return masks;
+}
+
+static gboolean
+gst_cdxastrip_handle_src_event (GstPad * pad, GstEvent * event)
+{
+ GstCDXAStrip *cdxa = GST_CDXASTRIP (gst_pad_get_parent (pad));
+
+ switch (GST_EVENT_TYPE (event)) {
+ case GST_EVENT_SEEK:
+ switch (GST_EVENT_SEEK_FORMAT (event)) {
+ case GST_FORMAT_BYTES:{
+ GstEvent *new;
+ gint64 off;
+ gint num, rest;
+
+ off = GST_EVENT_SEEK_OFFSET (event);
+ num = off / GST_CDXA_DATA_SIZE;
+ rest = off % GST_CDXA_DATA_SIZE;
+ off = num * GST_CDXA_SECTOR_SIZE;
+ if (rest > 0)
+ off += rest + GST_CDXA_HEADER_SIZE;
+ new = gst_event_new_seek (GST_EVENT_SEEK_TYPE (event), off);
+ gst_event_unref (event);
+ event = new;
+ }
+ default:
+ break;
+ }
+ break;
+ default:
+ break;
+ }
+
+ return gst_pad_send_event (GST_PAD_PEER (cdxa->sinkpad), event);
+}
+
+/*
+ * A sector is 2352 bytes long and is composed of:
+ *
+ * ! sync ! header ! subheader ! data ... ! edc !
+ * ! 12 bytes ! 4 bytes ! 8 bytes ! 2324 bytes ! 4 bytes !
+ * !-------------------------------------------------------!
+ *
+ * We strip the data out of it and send it to the srcpad.
+ *
+ * sync : 00 FF FF FF FF FF FF FF FF FF FF 00
+ * header : hour minute second mode
+ * sub-header : track channel sub_mode coding repeat (4 bytes)
+ * edc : checksum
+ */
+
+GstBuffer *
+gst_cdxastrip_strip (GstBuffer * buf)
+{
+ GstBuffer *sub;
+
+ g_assert (GST_BUFFER_SIZE (buf) >= GST_CDXA_SECTOR_SIZE);
+
+ /* Skip CDXA headers, only keep data.
+ * FIXME: check sync, resync, ... */
+ sub = gst_buffer_create_sub (buf, GST_CDXA_HEADER_SIZE, GST_CDXA_DATA_SIZE);
+ gst_buffer_unref (buf);
+
+ return sub;
+}
+
+/*
+ * -1 = no sync (discard buffer),
+ * otherwise offset indicates syncpoint in buffer.
+ */
+
+gint
+gst_cdxastrip_sync (GstBuffer * buf)
+{
+ guint size, off = 0;
+ guint8 *data;
+
+ for (size = GST_BUFFER_SIZE (buf), data = GST_BUFFER_DATA (buf);
+ size >= 12; size--, data++, off++) {
+ /* we could do a checksum check as well, but who cares... */
+ if (!memcmp (data, "\000\377\377\377\377\377\377\377\377\377\377\000", 12))
+ return off;
+ }
+
+ return -1;
+}
+
+/*
+ * Do stuff.
+ */
+
+static void
+gst_cdxastrip_handle_event (GstCDXAStrip * cdxa, GstEvent * event)
+{
+ switch (GST_EVENT_TYPE (event)) {
+ case GST_EVENT_DISCONTINUOUS:{
+ gint64 new_off, off;
+
+ if (gst_event_discont_get_value (event, GST_FORMAT_BYTES, &new_off)) {
+ GstEvent *new;
+ gint chunknum, rest;
+
+ chunknum = new_off / GST_CDXA_SECTOR_SIZE;
+ rest = new_off % GST_CDXA_SECTOR_SIZE;
+ off = chunknum * GST_CDXA_DATA_SIZE;
+ if (rest > GST_CDXA_HEADER_SIZE) {
+ if (rest >= GST_CDXA_HEADER_SIZE + GST_CDXA_DATA_SIZE)
+ off += GST_CDXA_DATA_SIZE;
+ else
+ off += rest - GST_CDXA_HEADER_SIZE;
+ }
+ new = gst_event_new_discontinuous (GST_EVENT_DISCONT_NEW_MEDIA (event),
+ GST_FORMAT_BYTES, new_off, GST_FORMAT_UNDEFINED);
+ gst_event_unref (event);
+ event = new;
+ }
+ gst_pad_event_default (cdxa->sinkpad, event);
+ break;
+ }
+ case GST_EVENT_FLUSH:
+ if (cdxa->cache) {
+ gst_buffer_unref (cdxa->cache);
+ cdxa->cache = NULL;
+ }
+ /* fall-through */
+ default:
+ gst_pad_event_default (cdxa->sinkpad, event);
+ break;
+ }
+}
+
+static void
+gst_cdxastrip_chain (GstPad * pad, GstData * data)
+{
+ GstCDXAStrip *cdxa = GST_CDXASTRIP (gst_pad_get_parent (pad));
+ GstBuffer *buf, *sub;
+ gint sync;
+
+ if (GST_IS_EVENT (data)) {
+ gst_cdxastrip_handle_event (cdxa, GST_EVENT (data));
+ return;
+ }
+
+ buf = GST_BUFFER (data);
+ if (cdxa->cache) {
+ buf = gst_buffer_join (cdxa->cache, buf);
+ }
+ cdxa->cache = NULL;
+
+ while (buf && GST_BUFFER_SIZE (buf) >= GST_CDXA_SECTOR_SIZE) {
+ /* sync */
+ sync = gst_cdxastrip_sync (buf);
+ if (sync < 0) {
+ gst_buffer_unref (buf);
+ return;
+ }
+ sub = gst_buffer_create_sub (buf, sync, GST_BUFFER_SIZE (buf) - sync);
+ gst_buffer_unref (buf);
+ buf = sub;
+ if (GST_BUFFER_SIZE (buf) < GST_CDXA_SECTOR_SIZE)
+ break;
+
+ /* one chunk */
+ sub = gst_cdxastrip_strip (gst_buffer_ref (buf));
+ gst_pad_push (cdxa->srcpad, GST_DATA (sub));
+
+ /* cache */
+ if (GST_BUFFER_SIZE (buf) != GST_CDXA_SECTOR_SIZE) {
+ sub = gst_buffer_create_sub (buf, GST_CDXA_SECTOR_SIZE,
+ GST_BUFFER_SIZE (buf) - GST_CDXA_SECTOR_SIZE);
+ } else {
+ sub = NULL;
+ }
+ gst_buffer_unref (buf);
+ buf = sub;
+ }
+
+ cdxa->cache = buf;
+}
+
+static GstElementStateReturn
+gst_cdxastrip_change_state (GstElement * element)
+{
+ GstCDXAStrip *cdxa = GST_CDXASTRIP (element);
+
+ switch (GST_STATE_TRANSITION (element)) {
+ case GST_STATE_PAUSED_TO_READY:
+ if (cdxa->cache) {
+ gst_buffer_unref (cdxa->cache);
+ cdxa->cache = NULL;
+ }
+ break;
+ default:
+ break;
+ }
+
+ if (parent_class->change_state)
+ return parent_class->change_state (element);
+
+ return GST_STATE_SUCCESS;
+}
diff --git a/gst/cdxaparse/gstvcdparse.h b/gst/cdxaparse/gstvcdparse.h
new file mode 100644
index 00000000..59cf4ab6
--- /dev/null
+++ b/gst/cdxaparse/gstvcdparse.h
@@ -0,0 +1,67 @@
+/* GStreamer CDXA sync strippper
+ * Copyright (C) 2004 Ronald Bultje <rbultje@ronald.bitfreak.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.
+ */
+
+#ifndef __GST_CDXASTRIP_H__
+#define __GST_CDXASTRIP_H__
+
+#include <gst/gst.h>
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_CDXASTRIP \
+ (gst_cdxastrip_get_type())
+#define GST_CDXASTRIP(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_CDXASTRIP,GstCDXAStrip))
+#define GST_CDXASTRIP_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_CDXASTRIP,GstCDXAStrip))
+#define GST_IS_CDXASTRIP(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_CDXASTRIP))
+#define GST_IS_CDXASTRIP_CLASS(obj) \
+ (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_CDXASTRIP))
+
+#define GST_CDXA_SECTOR_SIZE 2352
+#define GST_CDXA_DATA_SIZE 2324
+#define GST_CDXA_HEADER_SIZE 24
+
+typedef struct _GstCDXAStrip GstCDXAStrip;
+typedef struct _GstCDXAStripClass GstCDXAStripClass;
+
+struct _GstCDXAStrip {
+ GstElement parent;
+
+ /* pads */
+ GstPad *sinkpad, *srcpad;
+ GstBuffer *cache;
+};
+
+struct _GstCDXAStripClass {
+ GstElementClass parent_class;
+};
+
+GType gst_cdxastrip_get_type (void);
+
+/*
+ * Also useful for CDXAparse.
+ */
+GstBuffer * gst_cdxastrip_strip (GstBuffer * buf);
+gint gst_cdxastrip_sync (GstBuffer * buf);
+
+G_END_DECLS
+
+#endif /* __GST_CDXASTRIP_H__ */
diff --git a/sys/vcd/vcdsrc.c b/sys/vcd/vcdsrc.c
index 8df9538d..770c977b 100644
--- a/sys/vcd/vcdsrc.c
+++ b/sys/vcd/vcdsrc.c
@@ -36,13 +36,6 @@
#include <vcdsrc.h>
-
-static GstElementDetails vcdsrc_details = GST_ELEMENT_DETAILS ("VCD Source",
- "Source/File",
- "Asynchronous read from VCD disk",
- "Erik Walthinsen <omega@cse.ogi.edu>");
-
-
/* VCDSrc signals and args */
enum
{
@@ -60,95 +53,147 @@ enum
ARG_MAX_ERRORS
};
-static void vcdsrc_base_init (gpointer g_class);
-static void vcdsrc_class_init (VCDSrcClass * klass);
-static void vcdsrc_init (VCDSrc * vcdsrc);
-static void vcdsrc_set_property (GObject * object, guint prop_id,
+static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
+ GST_PAD_SRC,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS_ANY);
+
+GST_DEBUG_CATEGORY_STATIC (gst_vcdsrc_debug);
+#define GST_CAT_DEFAULT gst_vcdsrc_debug
+
+static void gst_vcdsrc_base_init (gpointer g_class);
+static void gst_vcdsrc_class_init (GstVCDSrcClass * klass);
+static void gst_vcdsrc_init (GstVCDSrc * vcdsrc);
+static void gst_vcdsrc_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
-static void vcdsrc_get_property (GObject * object, guint prop_id,
+static void gst_vcdsrc_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
-static GstData *vcdsrc_get (GstPad * pad);
-
-/*static GstBuffer * vcdsrc_get_region (GstPad *pad,gulong offset,gulong size); */
-static GstElementStateReturn vcdsrc_change_state (GstElement * element);
+static const GstEventMask *gst_vcdsrc_get_event_mask (GstPad * pad);
+static const GstQueryType *gst_vcdsrc_get_query_types (GstPad * pad);
+static const GstFormat *gst_vcdsrc_get_formats (GstPad * pad);
+static gboolean gst_vcdsrc_srcpad_event (GstPad * pad, GstEvent * event);
+static gboolean gst_vcdsrc_srcpad_query (GstPad * pad, GstQueryType type,
+ GstFormat * format, gint64 * value);
-static void vcdsrc_recalculate (VCDSrc * vcdsrc);
+static GstData *gst_vcdsrc_get (GstPad * pad);
+static GstElementStateReturn gst_vcdsrc_change_state (GstElement * element);
+static inline guint64 gst_vcdsrc_msf (GstVCDSrc * vcdsrc, gint track);
+static void gst_vcdsrc_recalculate (GstVCDSrc * vcdsrc);
+static void gst_vcdsrc_uri_handler_init (gpointer g_iface, gpointer iface_data);
static GstElementClass *parent_class = NULL;
/*static guint vcdsrc_signals[LAST_SIGNAL] = { 0 }; */
GType
-vcdsrc_get_type (void)
+gst_vcdsrc_get_type (void)
{
- static GType vcdsrc_type = 0;
+ static GType gst_vcdsrc_type = 0;
- if (!vcdsrc_type) {
- static const GTypeInfo vcdsrc_info = {
- sizeof (VCDSrcClass),
- vcdsrc_base_init,
+ if (!gst_vcdsrc_type) {
+ static const GTypeInfo gst_vcdsrc_info = {
+ sizeof (GstVCDSrcClass),
+ gst_vcdsrc_base_init,
NULL,
- (GClassInitFunc) vcdsrc_class_init,
+ (GClassInitFunc) gst_vcdsrc_class_init,
NULL,
NULL,
- sizeof (VCDSrc),
+ sizeof (GstVCDSrc),
0,
- (GInstanceInitFunc) vcdsrc_init,
+ (GInstanceInitFunc) gst_vcdsrc_init,
+ };
+ static const GInterfaceInfo urihandler_info = {
+ gst_vcdsrc_uri_handler_init,
+ NULL,
+ NULL
};
- vcdsrc_type =
- g_type_register_static (GST_TYPE_ELEMENT, "VCDSrc", &vcdsrc_info, 0);
+ gst_vcdsrc_type =
+ g_type_register_static (GST_TYPE_ELEMENT,
+ "GstVCDSrc", &gst_vcdsrc_info, 0);
+ g_type_add_interface_static (gst_vcdsrc_type,
+ GST_TYPE_URI_HANDLER, &urihandler_info);
}
- return vcdsrc_type;
+
+ return gst_vcdsrc_type;
}
static void
-vcdsrc_base_init (gpointer g_class)
+gst_vcdsrc_base_init (gpointer g_class)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
-
- gst_element_class_set_details (element_class, &vcdsrc_details);
+ static GstElementDetails gst_vcdsrc_details =
+ GST_ELEMENT_DETAILS ("VCD Source",
+ "Source/File",
+ "Asynchronous read from VCD disk",
+ "Erik Walthinsen <omega@cse.ogi.edu>");
+
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&srctemplate));
+ gst_element_class_set_details (element_class, &gst_vcdsrc_details);
}
+
static void
-vcdsrc_class_init (VCDSrcClass * klass)
+gst_vcdsrc_class_init (GstVCDSrcClass * klass)
{
- GObjectClass *gobject_class;
- GstElementClass *gstelement_class;
-
- gobject_class = (GObjectClass *) klass;
- gstelement_class = (GstElementClass *) klass;
+ GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
+ GstElementClass *gstelement_class = GST_ELEMENT_CLASS (klass);
parent_class = g_type_class_peek_parent (klass);
- g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_LOCATION, g_param_spec_string ("location", "location", "location", NULL, G_PARAM_READWRITE)); /* CHECKME */
- g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_TRACK, g_param_spec_int ("track", "track", "track", G_MININT, G_MAXINT, 0, G_PARAM_READWRITE)); /* CHECKME */
- g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_BYTESPERREAD, g_param_spec_int ("bytesperread", "bytesperread", "bytesperread", G_MININT, G_MAXINT, 0, G_PARAM_READABLE)); /* CHECKME */
- g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_OFFSET, g_param_spec_int ("offset", "offset", "offset", G_MININT, G_MAXINT, 0, G_PARAM_READWRITE)); /* CHECKME */
- g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_MAX_ERRORS,
- g_param_spec_int ("max-errors", "", "", 0, G_MAXINT, 16,
- G_PARAM_READWRITE));
-
- gobject_class->set_property = vcdsrc_set_property;
- gobject_class->get_property = vcdsrc_get_property;
-
- gstelement_class->change_state = vcdsrc_change_state;
+ g_object_class_install_property (gobject_class, ARG_LOCATION,
+ g_param_spec_string ("location", "Location",
+ "CD device location", NULL, G_PARAM_READWRITE));
+ g_object_class_install_property (gobject_class, ARG_TRACK,
+ g_param_spec_int ("track", "Track",
+ "Track number to play", G_MININT, G_MAXINT, 0, G_PARAM_READWRITE));
+ g_object_class_install_property (gobject_class, ARG_BYTESPERREAD,
+ g_param_spec_int ("bytesperread", "Bytes per read",
+ "Bytes to read per iteration (VCD sector size)",
+ G_MININT, G_MAXINT, 0, G_PARAM_READABLE));
+ g_object_class_install_property (gobject_class, ARG_OFFSET,
+ g_param_spec_int ("offset", "Offset", "Offset",
+ G_MININT, G_MAXINT, 0, G_PARAM_READWRITE));
+ g_object_class_install_property (gobject_class, ARG_MAX_ERRORS,
+ g_param_spec_int ("max-errors", "Max. errors",
+ "Maximum number of errors before bailing out",
+ 0, G_MAXINT, 16, G_PARAM_READWRITE));
+
+ gobject_class->set_property = gst_vcdsrc_set_property;
+ gobject_class->get_property = gst_vcdsrc_get_property;
+
+ gstelement_class->change_state = gst_vcdsrc_change_state;
+
+ GST_DEBUG_CATEGORY_INIT (gst_vcdsrc_debug, "vcdsrc", 0,
+ "VideoCD Source element");
}
static void
-vcdsrc_init (VCDSrc * vcdsrc)
+gst_vcdsrc_init (GstVCDSrc * vcdsrc)
{
- vcdsrc->srcpad = gst_pad_new ("src", GST_PAD_SRC);
- gst_pad_set_get_function (vcdsrc->srcpad, vcdsrc_get);
-/* gst_pad_set_get_region_function (vcdsrc->srcpad, vcdsrc_getregion); */
+ vcdsrc->srcpad =
+ gst_pad_new_from_template (gst_static_pad_template_get (&srctemplate),
+ "src");
+ gst_pad_set_get_function (vcdsrc->srcpad, gst_vcdsrc_get);
+#if 0
+ gst_pad_set_get_region_function (vcdsrc->srcpad, vcdsrc_getregion);
+#endif
+ gst_pad_set_event_function (vcdsrc->srcpad, gst_vcdsrc_srcpad_event);
+ gst_pad_set_event_mask_function (vcdsrc->srcpad, gst_vcdsrc_get_event_mask);
+ gst_pad_set_query_function (vcdsrc->srcpad, gst_vcdsrc_srcpad_query);
+ gst_pad_set_query_type_function (vcdsrc->srcpad, gst_vcdsrc_get_query_types);
+ gst_pad_set_formats_function (vcdsrc->srcpad, gst_vcdsrc_get_formats);
gst_element_add_pad (GST_ELEMENT (vcdsrc), vcdsrc->srcpad);
vcdsrc->device = g_strdup ("/dev/cdrom");
- vcdsrc->track = 2;
+ vcdsrc->track = 1;
vcdsrc->fd = 0;
vcdsrc->trackoffset = 0;
vcdsrc->curoffset = 0;
+ vcdsrc->tempoffset = 0;
+ vcdsrc->discont = vcdsrc->flush = FALSE;
vcdsrc->bytes_per_read = VCD_BYTES_PER_SECTOR;
vcdsrc->seq = 0;
vcdsrc->max_errors = 16;
@@ -156,14 +201,14 @@ vcdsrc_init (VCDSrc * vcdsrc)
static void
-vcdsrc_set_property (GObject * object, guint prop_id, const GValue * value,
+gst_vcdsrc_set_property (GObject * object, guint prop_id, const GValue * value,
GParamSpec * pspec)
{
- VCDSrc *src;
+ GstVCDSrc *src;
/* it's not null if we got it, but it might not be ours */
g_return_if_fail (GST_IS_VCDSRC (object));
- src = VCDSRC (object);
+ src = GST_VCDSRC (object);
switch (prop_id) {
case ARG_LOCATION:
@@ -180,14 +225,11 @@ vcdsrc_set_property (GObject * object, guint prop_id, const GValue * value,
src->device = g_strdup (g_value_get_string (value));
break;
case ARG_TRACK:
- src->track = g_value_get_int (value);
- vcdsrc_recalculate (src);
- break;
-/* case ARG_BYTESPERREAD:
- src->bytes_per_read = g_value_get_int (value);
- break;*/
- case ARG_OFFSET:
- src->curoffset = g_value_get_int (value) / VCD_BYTES_PER_SECTOR;
+ if (g_value_get_int (value) >= 1 &&
+ g_value_get_int (value) < src->numtracks) {
+ src->track = g_value_get_int (value);
+ gst_vcdsrc_recalculate (src);
+ }
break;
case ARG_MAX_ERRORS:
src->max_errors = g_value_get_int (value);
@@ -199,14 +241,14 @@ vcdsrc_set_property (GObject * object, guint prop_id, const GValue * value,
}
static void
-vcdsrc_get_property (GObject * object, guint prop_id, GValue * value,
+gst_vcdsrc_get_property (GObject * object, guint prop_id, GValue * value,
GParamSpec * pspec)
{
- VCDSrc *src;
+ GstVCDSrc *src;
/* it's not null if we got it, but it might not be ours */
g_return_if_fail (GST_IS_VCDSRC (object));
- src = VCDSRC (object);
+ src = GST_VCDSRC (object);
switch (prop_id) {
case ARG_LOCATION:
@@ -230,71 +272,210 @@ vcdsrc_get_property (GObject * object, guint prop_id, GValue * value,
}
}
+/*
+ * Querying and seeking.
+ */
+
+static const GstEventMask *
+gst_vcdsrc_get_event_mask (GstPad * pad)
+{
+ static const GstEventMask masks[] = {
+ {GST_EVENT_SEEK, GST_SEEK_METHOD_CUR |
+ GST_SEEK_METHOD_SET | GST_SEEK_METHOD_END | GST_SEEK_FLAG_FLUSH},
+ {0, 0}
+ };
+
+ return masks;
+}
+
+static const GstQueryType *
+gst_vcdsrc_get_query_types (GstPad * pad)
+{
+ static const GstQueryType types[] = {
+ GST_QUERY_TOTAL,
+ GST_QUERY_POSITION,
+ 0
+ };
+
+ return types;
+}
+
+static const GstFormat *
+gst_vcdsrc_get_formats (GstPad * pad)
+{
+ static const GstFormat formats[] = {
+ GST_FORMAT_BYTES,
+ 0,
+ };
+
+ return formats;
+}
+
+static gboolean
+gst_vcdsrc_srcpad_event (GstPad * pad, GstEvent * event)
+{
+ GstVCDSrc *vcdsrc = GST_VCDSRC (gst_pad_get_parent (pad));
+ gboolean res = TRUE;
+
+ switch (GST_EVENT_TYPE (event)) {
+ case GST_EVENT_SEEK:{
+ gint64 new_off;
+
+ if (GST_EVENT_SEEK_FORMAT (event) != GST_FORMAT_BYTES)
+ return FALSE;
+
+ new_off = GST_EVENT_SEEK_OFFSET (event);
+ switch (GST_EVENT_SEEK_METHOD (event)) {
+ case GST_SEEK_METHOD_SET:
+ /* no-op */
+ break;
+ case GST_SEEK_METHOD_CUR:
+ new_off += vcdsrc->curoffset * vcdsrc->bytes_per_read;
+ break;
+ case GST_SEEK_METHOD_END:
+ new_off = (gst_vcdsrc_msf (vcdsrc, vcdsrc->track + 1) -
+ vcdsrc->trackoffset) * vcdsrc->bytes_per_read - new_off;
+ break;
+ default:
+ return FALSE;
+ }
+
+ if (new_off < 0 ||
+ new_off > (gst_vcdsrc_msf (vcdsrc, vcdsrc->track + 1) -
+ vcdsrc->trackoffset) * vcdsrc->bytes_per_read)
+ return FALSE;
+
+ vcdsrc->curoffset = new_off / vcdsrc->bytes_per_read;
+ vcdsrc->tempoffset = new_off % vcdsrc->bytes_per_read;
+ vcdsrc->discont = TRUE;
+ if (GST_EVENT_SEEK_FLAGS (event) & GST_SEEK_FLAG_FLUSH)
+ vcdsrc->flush = TRUE;
+ break;
+ }
+ default:
+ res = FALSE;
+ break;
+ }
+
+ gst_event_unref (event);
+
+ return res;
+}
+
+static gboolean
+gst_vcdsrc_srcpad_query (GstPad * pad, GstQueryType type,
+ GstFormat * format, gint64 * value)
+{
+ GstVCDSrc *vcdsrc = GST_VCDSRC (gst_pad_get_parent (pad));
+ gboolean res = TRUE;
+
+ if (*format != GST_FORMAT_BYTES)
+ return FALSE;
+
+ switch (type) {
+ case GST_QUERY_TOTAL:
+ *value = (gst_vcdsrc_msf (vcdsrc, vcdsrc->track + 1) -
+ vcdsrc->trackoffset) * vcdsrc->bytes_per_read;
+ break;
+ case GST_QUERY_POSITION:
+ *value = vcdsrc->curoffset * vcdsrc->bytes_per_read;
+ break;
+ default:
+ res = FALSE;
+ break;
+ }
+
+ return res;
+}
+
+/*
+ * Data.
+ */
+
static GstData *
-vcdsrc_get (GstPad * pad)
+gst_vcdsrc_get (GstPad * pad)
{
- VCDSrc *vcdsrc;
+ GstVCDSrc *vcdsrc;
+ GstFormat fmt = GST_FORMAT_BYTES;
GstBuffer *buf;
gulong offset;
struct cdrom_msf *msf;
gint error_count = 0;
- /* fprintf(stderr,"in vcdsrc_push\n"); */
-
g_return_val_if_fail (pad != NULL, NULL);
g_return_val_if_fail (GST_IS_PAD (pad), NULL);
- vcdsrc = VCDSRC (GST_OBJECT_PARENT (pad));
+ vcdsrc = GST_VCDSRC (GST_OBJECT_PARENT (pad));
g_return_val_if_fail (GST_FLAG_IS_SET (vcdsrc, VCDSRC_OPEN), NULL);
- /* create the buffer */
- /* FIXME: should eventually use a bufferpool for this */
- buf = gst_buffer_new ();
- g_return_val_if_fail (buf != NULL, NULL);
+ offset = vcdsrc->trackoffset + vcdsrc->curoffset;
+ if (offset >= gst_vcdsrc_msf (vcdsrc, vcdsrc->track + 1)) {
+ gst_element_set_eos (GST_ELEMENT (vcdsrc));
+ return GST_DATA (gst_event_new (GST_EVENT_EOS));
+ }
- /* allocate the space for the buffer data */
- GST_BUFFER_DATA (buf) = g_malloc (vcdsrc->bytes_per_read);
- memset (GST_BUFFER_DATA (buf), 0, vcdsrc->bytes_per_read);
- g_return_val_if_fail (GST_BUFFER_DATA (buf) != NULL, NULL);
+ if (vcdsrc->discont) {
+ if (vcdsrc->flush) {
+ vcdsrc->flush = FALSE;
+ return GST_DATA (gst_event_new (GST_EVENT_FLUSH));
+ }
+ vcdsrc->discont = FALSE;
+ return GST_DATA (gst_event_new_discontinuous (FALSE,
+ GST_FORMAT_BYTES, vcdsrc->curoffset * vcdsrc->bytes_per_read,
+ GST_FORMAT_UNDEFINED));
+ }
+ /* create the buffer */
+ /* FIXME: should eventually use a bufferpool for this */
+ buf = gst_buffer_new_and_alloc (vcdsrc->bytes_per_read);
msf = (struct cdrom_msf *) GST_BUFFER_DATA (buf);
-read_sector:
-
+read:
/* read it in from the device */
- offset = vcdsrc->trackoffset + vcdsrc->curoffset;
msf->cdmsf_frame0 = offset % 75;
msf->cdmsf_sec0 = (offset / 75) % 60;
msf->cdmsf_min0 = (offset / (75 * 60));
- /*GST_INFO("msf is %d:%d:%d\n",msf->cdmsf_min0,msf->cdmsf_sec0, */
- /* msf->cdmsf_frame0); */
+ GST_LOG ("msf is %d:%d:%d", msf->cdmsf_min0, msf->cdmsf_sec0,
+ msf->cdmsf_frame0);
- if (ioctl (vcdsrc->fd, CDROMREADRAW, msf)) {
- if (++error_count > vcdsrc->max_errors) {
- gst_element_set_eos (GST_ELEMENT (vcdsrc));
- return GST_DATA (gst_event_new (GST_EVENT_EOS));
+ if (ioctl (vcdsrc->fd, CDROMREADRAW, msf) < 0) {
+ if (++error_count <= vcdsrc->max_errors) {
+ vcdsrc->curoffset++;
+ offset++;
+ goto read;
}
- fprintf (stderr, "%s while reading raw data from cdrom at %d:%d:%d\n",
- strerror (errno), msf->cdmsf_min0, msf->cdmsf_sec0, msf->cdmsf_frame0);
- vcdsrc->curoffset += 1;
+ GST_ELEMENT_ERROR (vcdsrc, RESOURCE, READ, (NULL),
+ ("Read from cdrom at %d:%d:%d failed: %s",
+ msf->cdmsf_min0, msf->cdmsf_sec0, msf->cdmsf_frame0,
+ strerror (errno)));
- /* Or we can return a zero-filled buffer. Which is better? */
- goto read_sector;
+ return GST_DATA (gst_event_new (GST_EVENT_INTERRUPT));
}
- GST_BUFFER_OFFSET (buf) = vcdsrc->curoffset;
+ gst_pad_query (pad, GST_QUERY_POSITION, &fmt,
+ (gint64 *) & GST_BUFFER_OFFSET (buf));
GST_BUFFER_SIZE (buf) = vcdsrc->bytes_per_read;
vcdsrc->curoffset += 1;
+ if (vcdsrc->tempoffset != 0) {
+ GstBuffer *sub;
+
+ sub = gst_buffer_create_sub (buf, vcdsrc->tempoffset,
+ vcdsrc->bytes_per_read - vcdsrc->tempoffset);
+ vcdsrc->tempoffset = 0;
+ gst_buffer_unref (buf);
+ buf = sub;
+ }
+
return GST_DATA (buf);
}
/* open the file, necessary to go to RUNNING state */
static gboolean
-vcdsrc_open_file (VCDSrc * src)
+gst_vcdsrc_open_file (GstVCDSrc * src)
{
int i;
@@ -309,43 +490,40 @@ vcdsrc_open_file (VCDSrc * src)
/* read the table of contents */
if (ioctl (src->fd, CDROMREADTOCHDR, &src->tochdr)) {
- perror ("reading toc of VCD\n");
-/* FIXME */
-/* exit(1); */
+ GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ, (NULL), GST_ERROR_SYSTEM);
+ close (src->fd);
+ return FALSE;
}
/* allocate enough track structs for disk */
src->numtracks = (src->tochdr.cdth_trk1 - src->tochdr.cdth_trk0) + 1;
- src->tracks = g_new (struct cdrom_tocentry, src->numtracks);
+ src->tracks = g_new (struct cdrom_tocentry, src->numtracks + 1);
/* read each track entry */
- for (i = 0; i < src->numtracks; i++) {
- src->tracks[i].cdte_track = i + 1;
+ for (i = 0; i <= src->numtracks; i++) {
+ src->tracks[i].cdte_track = i == src->numtracks ? CDROM_LEADOUT : i + 1;
src->tracks[i].cdte_format = CDROM_MSF;
if (ioctl (src->fd, CDROMREADTOCENTRY, &src->tracks[i])) {
- perror ("reading tocentry");
-/* FIXME */
-/* exit(1);*/
+ GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ, (NULL), GST_ERROR_SYSTEM);
+ g_free (src->tracks);
+ close (src->fd);
+ return FALSE;
}
- fprintf (stderr, "VCDSrc: track begins at %d:%d:%d\n",
+ GST_DEBUG ("track %d begins at %d:%02d.%02d", i,
src->tracks[i].cdte_addr.msf.minute,
src->tracks[i].cdte_addr.msf.second,
src->tracks[i].cdte_addr.msf.frame);
}
- src->trackoffset =
- (((src->tracks[src->track - 1].cdte_addr.msf.minute * 60) +
- src->tracks[src->track - 1].cdte_addr.msf.second) * 75) +
- src->tracks[src->track - 1].cdte_addr.msf.frame;
- fprintf (stderr, "VCDSrc: track offset is %ld\n", src->trackoffset);
-
GST_FLAG_SET (src, VCDSRC_OPEN);
+ gst_vcdsrc_recalculate (src);
+
return TRUE;
}
/* close the file */
static void
-vcdsrc_close_file (VCDSrc * src)
+gst_vcdsrc_close_file (GstVCDSrc * src)
{
g_return_if_fail (GST_FLAG_IS_SET (src, VCDSRC_OPEN));
@@ -357,44 +535,105 @@ vcdsrc_close_file (VCDSrc * src)
src->curoffset = 0;
src->seq = 0;
+ g_free (src->tracks);
+
GST_FLAG_UNSET (src, VCDSRC_OPEN);
}
static GstElementStateReturn
-vcdsrc_change_state (GstElement * element)
+gst_vcdsrc_change_state (GstElement * element)
{
- g_return_val_if_fail (GST_IS_VCDSRC (element), GST_STATE_FAILURE);
-
- /* if going down into NULL state, close the file if it's open */
- if (GST_STATE_PENDING (element) == GST_STATE_NULL) {
- if (GST_FLAG_IS_SET (element, VCDSRC_OPEN))
- vcdsrc_close_file (VCDSRC (element));
- /* otherwise (READY or higher) we need to open the sound card */
- } else {
- if (!GST_FLAG_IS_SET (element, VCDSRC_OPEN)) {
- if (!vcdsrc_open_file (VCDSRC (element)))
- return GST_STATE_FAILURE;
- }
+ GstVCDSrc *vcdsrc = GST_VCDSRC (element);
+
+ switch (GST_STATE_TRANSITION (element)) {
+ case GST_STATE_READY_TO_NULL:
+ if (GST_FLAG_IS_SET (element, VCDSRC_OPEN))
+ gst_vcdsrc_close_file (vcdsrc);
+ break;
+ case GST_STATE_PAUSED_TO_READY:
+ vcdsrc->curoffset = 0;
+ vcdsrc->discont = vcdsrc->flush = FALSE;
+ break;
+ case GST_STATE_NULL_TO_READY:
+ if (!GST_FLAG_IS_SET (element, VCDSRC_OPEN))
+ if (!gst_vcdsrc_open_file (vcdsrc))
+ return GST_STATE_FAILURE;
+ break;
+ default:
+ break;
}
if (GST_ELEMENT_CLASS (parent_class)->change_state)
return GST_ELEMENT_CLASS (parent_class)->change_state (element);
+
return GST_STATE_SUCCESS;
}
+static inline guint64
+gst_vcdsrc_msf (GstVCDSrc * vcdsrc, gint track)
+{
+ return (vcdsrc->tracks[track].cdte_addr.msf.minute * 60 +
+ vcdsrc->tracks[track].cdte_addr.msf.second) * 75 +
+ vcdsrc->tracks[track].cdte_addr.msf.frame;
+}
+
static void
-vcdsrc_recalculate (VCDSrc * vcdsrc)
+gst_vcdsrc_recalculate (GstVCDSrc * vcdsrc)
{
if (GST_FLAG_IS_SET (vcdsrc, VCDSRC_OPEN)) {
/* calculate track offset (beginning of track) */
- vcdsrc->trackoffset =
- (((vcdsrc->tracks[vcdsrc->track - 1].cdte_addr.msf.minute * 60) +
- vcdsrc->tracks[vcdsrc->track - 1].cdte_addr.msf.second) * 75) +
- vcdsrc->tracks[vcdsrc->track - 1].cdte_addr.msf.frame;
- fprintf (stderr, "VCDSrc: track offset is %ld\n", vcdsrc->trackoffset);
+ vcdsrc->trackoffset = gst_vcdsrc_msf (vcdsrc, vcdsrc->track);
+ GST_DEBUG ("track offset is %ld", vcdsrc->trackoffset);
}
}
+/*
+ * URI interface.
+ */
+
+static guint
+gst_vcdsrc_uri_get_type (void)
+{
+ return GST_URI_SRC;
+}
+
+static gchar **
+gst_vcdsrc_uri_get_protocols (void)
+{
+ static gchar *protocols[] = { "vcd", NULL };
+
+ return protocols;
+}
+
+static const gchar *
+gst_vcdsrc_uri_get_uri (GstURIHandler * handler)
+{
+ return "vcd://";
+}
+
+static gboolean
+gst_vcdsrc_uri_set_uri (GstURIHandler * handler, const gchar * uri)
+{
+ gboolean ret;
+ gchar *protocol = gst_uri_get_protocol (uri);
+
+ ret = (protocol && !strcmp (protocol, "vcd")) ? TRUE : FALSE;
+ g_free (protocol);
+
+ return ret;
+}
+
+static void
+gst_vcdsrc_uri_handler_init (gpointer g_iface, gpointer iface_data)
+{
+ GstURIHandlerInterface *iface = (GstURIHandlerInterface *) g_iface;
+
+ iface->get_type = gst_vcdsrc_uri_get_type;
+ iface->get_protocols = gst_vcdsrc_uri_get_protocols;
+ iface->get_uri = gst_vcdsrc_uri_get_uri;
+ iface->set_uri = gst_vcdsrc_uri_set_uri;
+}
+
static gboolean
plugin_init (GstPlugin * plugin)
{
diff --git a/sys/vcd/vcdsrc.h b/sys/vcd/vcdsrc.h
index ab2c74da..2ab0e49b 100644
--- a/sys/vcd/vcdsrc.h
+++ b/sys/vcd/vcdsrc.h
@@ -21,25 +21,19 @@
#ifndef __VCDSRC_H__
#define __VCDSRC_H__
-
#include <gst/gst.h>
-
#include <linux/cdrom.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif /* __cplusplus */
-
+G_BEGIN_DECLS
#define VCD_BYTES_PER_SECTOR 2352
#define GST_TYPE_VCDSRC \
- (vcdsrc_get_type())
-#define VCDSRC(obj) \
- (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_VCDSRC,VCDSrc))
-#define VCDSRC_CLASS(klass) \
- (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_VCDSRC,VCDSrcClass))
+ (gst_vcdsrc_get_type())
+#define GST_VCDSRC(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_VCDSRC,GstVCDSrc))
+#define GST_VCDSRC_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_VCDSRC,GstVCDSrcClass))
#define GST_IS_VCDSRC(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_VCDSRC))
#define GST_IS_VCDSRC_CLASS(obj) \
@@ -50,12 +44,12 @@ typedef enum {
VCDSRC_OPEN = GST_ELEMENT_FLAG_LAST,
VCDSRC_FLAG_LAST = GST_ELEMENT_FLAG_LAST+2,
-} VCDSrcFlags;
+} GstVCDSrcFlags;
-typedef struct _VCDSrc VCDSrc;
-typedef struct _VCDSrcClass VCDSrcClass;
+typedef struct _GstVCDSrc GstVCDSrc;
+typedef struct _GstVCDSrcClass GstVCDSrcClass;
-struct _VCDSrc {
+struct _GstVCDSrc {
GstElement element;
/* pads */
GstPad *srcpad;
@@ -75,6 +69,10 @@ struct _VCDSrc {
gulong trackoffset;
gulong frameoffset;
+ /* bytes offset in next buf */
+ gulong tempoffset;
+ gboolean discont, flush;
+
gulong curoffset; /* current offset in file */
gulong bytes_per_read; /* bytes per read */
@@ -82,15 +80,12 @@ struct _VCDSrc {
int max_errors;
};
-struct _VCDSrcClass {
+struct _GstVCDSrcClass {
GstElementClass parent_class;
};
-GType vcdsrc_get_type(void);
-
-#ifdef __cplusplus
-}
-#endif /* __cplusplus */
+GType gst_vcdsrc_get_type(void);
+G_END_DECLS
#endif /* __VCDSRC_H__ */