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-rw-r--r--gst/interleave/Makefile.am2
-rw-r--r--gst/interleave/deinterleave.c133
-rw-r--r--gst/interleave/deinterleave.h65
-rw-r--r--gst/interleave/interleave.c54
-rw-r--r--gst/interleave/interleave.h66
-rw-r--r--gst/interleave/plugin.h9
6 files changed, 209 insertions, 120 deletions
diff --git a/gst/interleave/Makefile.am b/gst/interleave/Makefile.am
index 9a09cdbc..62e7f3e3 100644
--- a/gst/interleave/Makefile.am
+++ b/gst/interleave/Makefile.am
@@ -6,4 +6,4 @@ libgstinterleave_la_CFLAGS = $(GST_CFLAGS)
libgstinterleave_la_LIBADD = $(GST_LIBS)
libgstinterleave_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
-noinst_HEADERS = plugin.h
+noinst_HEADERS = plugin.h interleave.h deinterleave.h
diff --git a/gst/interleave/deinterleave.c b/gst/interleave/deinterleave.c
index f2e79777..743eb9f5 100644
--- a/gst/interleave/deinterleave.c
+++ b/gst/interleave/deinterleave.c
@@ -3,6 +3,7 @@
* 2000 Wim Taymans <wtay@chello.be>
* 2005 Wim Taymans <wim@fluendo.com>
* 2007 Andy Wingo <wingo at pobox.com>
+ * 2008 Sebastian Dröge <slomo@circular-chaos.org>
*
* deinterleave.c: deinterleave samples, based on interleave.c
*
@@ -22,48 +23,16 @@
* Boston, MA 02111-1307, USA.
*/
-
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <gst/gst.h>
-
-
-#define GST_TYPE_DEINTERLEAVE (gst_deinterleave_get_type())
-#define GST_DEINTERLEAVE(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DEINTERLEAVE,GstDeinterleave))
-#define GST_DEINTERLEAVE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DEINTERLEAVE,GstDeinterleaveClass))
-#define GST_DEINTERLEAVE_GET_CLASS(obj) \
- (G_TYPE_INSTANCE_GET_CLASS ((obj),GST_TYPE_DEINTERLEAVE,GstDeinterleaveClass))
-#define GST_IS_DEINTERLEAVE(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DEINTERLEAVE))
-#define GST_IS_DEINTERLEAVE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DEINTERLEAVE))
-
-typedef struct _GstDeinterleave GstDeinterleave;
-typedef struct _GstDeinterleaveClass GstDeinterleaveClass;
-
-
-struct _GstDeinterleave
-{
- GstElement element;
-
- /*< private > */
- GList *srcpads;
- GstCaps *sinkcaps;
- gint channels;
-
- GstPad *sink;
-};
-
-struct _GstDeinterleaveClass
-{
- GstElementClass parent_class;
-};
-
+#include "deinterleave.h"
GST_DEBUG_CATEGORY_STATIC (gst_deinterleave_debug);
#define GST_CAT_DEFAULT gst_deinterleave_debug
-
static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src%d",
GST_PAD_SRC,
GST_PAD_SOMETIMES,
@@ -85,26 +54,18 @@ static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
GST_BOILERPLATE (GstDeinterleave, gst_deinterleave, GstElement,
GST_TYPE_ELEMENT);
-
static GstFlowReturn gst_deinterleave_chain (GstPad * pad, GstBuffer * buffer);
static gboolean gst_deinterleave_sink_setcaps (GstPad * pad, GstCaps * caps);
static gboolean gst_deinterleave_sink_activate_push (GstPad * pad,
gboolean active);
-
-static const GstElementDetails details =
-GST_ELEMENT_DETAILS ("Audio deinterleaver",
- "Filter/Converter/Audio",
- "Splits one interleaved multichannel audio stream into many mono audio streams",
- "Andy Wingo <wingo at pobox.com>, " "Iain <iain@prettypeople.org>");
-
static void
gst_deinterleave_base_init (gpointer g_class)
{
- GST_DEBUG_CATEGORY_INIT (gst_deinterleave_debug, "interleave", 0,
- "interleave element");
-
- gst_element_class_set_details (g_class, &details);
+ gst_element_class_set_details_simple (g_class, "Audio deinterleaver",
+ "Filter/Converter/Audio",
+ "Splits one interleaved multichannel audio stream into many mono audio streams",
+ "Andy Wingo <wingo at pobox.com>, " "Iain <iain@prettypeople.org>");
gst_element_class_add_pad_template (g_class,
gst_static_pad_template_get (&sink_template));
@@ -115,7 +76,8 @@ gst_deinterleave_base_init (gpointer g_class)
static void
gst_deinterleave_class_init (GstDeinterleaveClass * klass)
{
- /* pass */
+ GST_DEBUG_CATEGORY_INIT (gst_deinterleave_debug, "deinterleave", 0,
+ "deinterleave element");
}
static void
@@ -179,20 +141,47 @@ static gboolean
gst_deinterleave_sink_setcaps (GstPad * pad, GstCaps * caps)
{
GstDeinterleave *self;
+ GstCaps *srccaps;
+ GstStructure *s;
self = GST_DEINTERLEAVE (gst_pad_get_parent (pad));
if (self->sinkcaps && !gst_caps_is_equal (caps, self->sinkcaps)) {
- goto cannot_change_caps_dog;
- } else {
+ GList *l;
+ gint new_channels;
+
+ if (!caps)
+ goto cannot_change_caps;
+
+ s = gst_caps_get_structure (caps, 0);
+
+ /* We allow caps changes as long as the number of channels doesn't change */
+ if (!gst_structure_get_int (s, "channels", &new_channels) ||
+ new_channels != self->channels)
+ goto cannot_change_caps;
+
GST_DEBUG_OBJECT (self, "got caps: %" GST_PTR_FORMAT, caps);
gst_caps_replace (&self->sinkcaps, caps);
- }
- {
- GstCaps *srccaps;
- GstStructure *s;
+ /* Set new caps on all srcpads */
+ srccaps = gst_caps_copy (caps);
+ s = gst_caps_get_structure (srccaps, 0);
+ gst_structure_set (s, "channels", G_TYPE_INT, 1, NULL);
+ gst_structure_remove_field (s, "channel-positions");
+ for (l = self->srcpads; l; l = l->next) {
+ GstPad *pad = GST_PAD (l->data);
+
+ if (!gst_pad_set_caps (pad, srccaps))
+ goto cannot_change_caps;
+ }
+
+ gst_caps_unref (srccaps);
+ } else {
+ GST_DEBUG_OBJECT (self, "got caps: %" GST_PTR_FORMAT, caps);
+ gst_caps_replace (&self->sinkcaps, caps);
+
+ /* Add all srcpads */
srccaps = gst_caps_copy (caps);
s = gst_caps_get_structure (srccaps, 0);
if (!gst_structure_get_int (s, "channels", &self->channels))
@@ -207,14 +196,15 @@ gst_deinterleave_sink_setcaps (GstPad * pad, GstCaps * caps)
return TRUE;
-cannot_change_caps_dog:
+cannot_change_caps:
{
+ GST_ERROR_OBJECT (self, "can't set new caps: %" GST_PTR_FORMAT, caps);
gst_object_unref (self);
return FALSE;
}
no_channels:
{
- g_warning ("yarr, shiver me timbers");
+ GST_ERROR_OBJECT (self, "invalid caps");
gst_object_unref (self);
return FALSE;
}
@@ -225,37 +215,45 @@ gst_deinterleave_process (GstDeinterleave * self, GstBuffer * buf)
{
GstFlowReturn ret = GST_FLOW_OK; /* initialized to silence a warning */
GList *srcs;
- guint bufsize, i, j, channels, pads_pushed, nframes;
+ guint bufsize, i, j, channels, pads_pushed, buffers_allocated, nframes;
GstBuffer **buffers_out;
gfloat *in, *out;
channels = self->channels;
- buffers_out = g_alloca (sizeof (GstBuffer *) * channels);
+ buffers_out = g_new0 (GstBuffer *, channels);
nframes = GST_BUFFER_SIZE (buf) / channels / sizeof (gfloat);
bufsize = nframes * sizeof (gfloat);
pads_pushed = 0;
+ buffers_allocated = 0;
- for (i = 0; i < channels; i++)
- buffers_out[i] = NULL;
-
+ /* Allocate buffers */
for (srcs = self->srcpads, i = 0; srcs; srcs = srcs->next, i++) {
GstPad *pad = (GstPad *) srcs->data;
buffers_out[i] = NULL;
- ret = gst_pad_alloc_buffer (pad, -1, bufsize, GST_PAD_CAPS (pad),
- &buffers_out[i]);
+ ret =
+ gst_pad_alloc_buffer (pad, GST_BUFFER_OFFSET_NONE, bufsize,
+ GST_PAD_CAPS (pad), &buffers_out[i]);
if (ret != GST_FLOW_OK && ret != GST_FLOW_NOT_LINKED)
goto alloc_buffer_failed;
if (buffers_out[i] && GST_BUFFER_SIZE (buffers_out[i]) != bufsize)
goto alloc_buffer_bad_size;
- if (buffers_out[i])
+ if (buffers_out[i]) {
gst_buffer_copy_metadata (buffers_out[i], buf,
- GST_BUFFER_COPY_TIMESTAMPS);
+ GST_BUFFER_COPY_TIMESTAMPS | GST_BUFFER_COPY_FLAGS);
+ buffers_allocated++;
+ }
+ }
+
+ /* Return NOT_LINKED if we couldn't allocate any buffers */
+ if (!buffers_allocated) {
+ ret = GST_FLOW_NOT_LINKED;
+ goto done;
}
- /* do the thing */
+ /* deinterleave */
for (srcs = self->srcpads, i = 0; srcs; srcs = srcs->next, i++) {
GstPad *pad = (GstPad *) srcs->data;
@@ -263,8 +261,8 @@ gst_deinterleave_process (GstDeinterleave * self, GstBuffer * buf)
in += i; /* gfloat * arith */
if (buffers_out[i]) {
out = (gfloat *) GST_BUFFER_DATA (buffers_out[i]);
- for (j = 0; j < nframes; j++)
- out[j] = in[j * channels];
+ for (j = 0; j < nframes * channels; j += channels)
+ *out++ = in[j];
ret = gst_pad_push (pad, buffers_out[i]);
buffers_out[i] = NULL;
@@ -280,7 +278,9 @@ gst_deinterleave_process (GstDeinterleave * self, GstBuffer * buf)
if (!pads_pushed)
ret = GST_FLOW_NOT_LINKED;
+done:
gst_buffer_unref (buf);
+ g_free (buffers_out);
return ret;
alloc_buffer_failed:
@@ -307,6 +307,7 @@ clean_buffers:
gst_buffer_unref (buffers_out[i]);
}
gst_buffer_unref (buf);
+ g_free (buffers_out);
return ret;
}
}
diff --git a/gst/interleave/deinterleave.h b/gst/interleave/deinterleave.h
new file mode 100644
index 00000000..ee3f8e17
--- /dev/null
+++ b/gst/interleave/deinterleave.h
@@ -0,0 +1,65 @@
+/* GStreamer
+ * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
+ * 2000 Wim Taymans <wtay@chello.be>
+ * 2005 Wim Taymans <wim@fluendo.com>
+ * 2007 Andy Wingo <wingo at pobox.com>
+ * 2008 Sebastian Dröge <slomo@circular-chaos.org>
+ *
+ * deinterleave.c: deinterleave samples, based on interleave.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.
+ */
+
+#ifndef __DEINTERLEAVE_H__
+#define __DEINTERLEAVE_H__
+
+G_BEGIN_DECLS
+
+#include <gst/gst.h>
+
+#define GST_TYPE_DEINTERLEAVE (gst_deinterleave_get_type())
+#define GST_DEINTERLEAVE(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DEINTERLEAVE,GstDeinterleave))
+#define GST_DEINTERLEAVE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DEINTERLEAVE,GstDeinterleaveClass))
+#define GST_DEINTERLEAVE_GET_CLASS(obj) \
+ (G_TYPE_INSTANCE_GET_CLASS ((obj),GST_TYPE_DEINTERLEAVE,GstDeinterleaveClass))
+#define GST_IS_DEINTERLEAVE(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DEINTERLEAVE))
+#define GST_IS_DEINTERLEAVE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DEINTERLEAVE))
+
+typedef struct _GstDeinterleave GstDeinterleave;
+typedef struct _GstDeinterleaveClass GstDeinterleaveClass;
+
+struct _GstDeinterleave
+{
+ GstElement element;
+
+ /*< private > */
+ GList *srcpads;
+ GstCaps *sinkcaps;
+ gint channels;
+
+ GstPad *sink;
+};
+
+struct _GstDeinterleaveClass
+{
+ GstElementClass parent_class;
+};
+
+GType gst_deinterleave_get_type (void);
+
+G_END_DECLS
+
+#endif /* __DEINTERLEAVE_H__ */
diff --git a/gst/interleave/interleave.c b/gst/interleave/interleave.c
index bce077d7..be5b4108 100644
--- a/gst/interleave/interleave.c
+++ b/gst/interleave/interleave.c
@@ -45,45 +45,11 @@
#endif
#include <gst/gst.h>
-
-
-#define GST_TYPE_INTERLEAVE (gst_interleave_get_type())
-#define GST_INTERLEAVE(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_INTERLEAVE,GstInterleave))
-#define GST_INTERLEAVE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_INTERLEAVE,GstInterleaveClass))
-#define GST_INTERLEAVE_GET_CLASS(obj) \
- (G_TYPE_INSTANCE_GET_CLASS ((obj),GST_TYPE_INTERLEAVE,GstInterleaveClass))
-#define GST_IS_INTERLEAVE(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_INTERLEAVE))
-#define GST_IS_INTERLEAVE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_INTERLEAVE))
-
-
-typedef struct _GstInterleave GstInterleave;
-typedef struct _GstInterleaveClass GstInterleaveClass;
-
-
-struct _GstInterleave
-{
- GstElement element;
-
- GstCaps *sinkcaps;
- guint channels;
-
- GstPad *src;
-
- GstActivateMode mode;
-
- guint pending_in;
-};
-
-struct _GstInterleaveClass
-{
- GstElementClass parent_class;
-};
-
+#include "interleave.h"
GST_DEBUG_CATEGORY_STATIC (gst_interleave_debug);
#define GST_CAT_DEFAULT gst_interleave_debug
-
static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink%d",
GST_PAD_SINK,
GST_PAD_REQUEST,
@@ -156,20 +122,13 @@ static gboolean gst_interleave_src_setcaps (GstPad * pad, GstCaps * caps);
static gboolean gst_interleave_sink_setcaps (GstPad * pad, GstCaps * caps);
static GstCaps *gst_interleave_src_getcaps (GstPad * pad);
-
-static const GstElementDetails details =
-GST_ELEMENT_DETAILS ("Audio interleaver",
- "Filter/Converter/Audio",
- "Folds many mono channels into one interleaved audio stream",
- "Andy Wingo <wingo at pobox.com>");
-
static void
gst_interleave_base_init (gpointer g_class)
{
- GST_DEBUG_CATEGORY_INIT (gst_interleave_debug, "interleave", 0,
- "interleave element");
-
- gst_element_class_set_details (g_class, &details);
+ gst_element_class_set_details_simple (g_class, "Audio interleaver",
+ "Filter/Converter/Audio",
+ "Folds many mono channels into one interleaved audio stream",
+ "Andy Wingo <wingo at pobox.com>");
gst_element_class_add_pad_template (g_class,
gst_static_pad_template_get (&sink_template));
@@ -184,6 +143,9 @@ gst_interleave_class_init (GstInterleaveClass * klass)
gstelement_class = GST_ELEMENT_CLASS (klass);
+ GST_DEBUG_CATEGORY_INIT (gst_interleave_debug, "interleave", 0,
+ "interleave element");
+
gstelement_class->request_new_pad =
GST_DEBUG_FUNCPTR (gst_interleave_request_new_pad);
}
diff --git a/gst/interleave/interleave.h b/gst/interleave/interleave.h
new file mode 100644
index 00000000..915871eb
--- /dev/null
+++ b/gst/interleave/interleave.h
@@ -0,0 +1,66 @@
+/* GStreamer
+ * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
+ * 2000 Wim Taymans <wtay@chello.be>
+ * 2005 Wim Taymans <wim@fluendo.com>
+ * 2007 Andy Wingo <wingo at pobox.com>
+ *
+ * interleave.c: interleave samples, based on gstsignalprocessor.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.
+ */
+
+#ifndef __INTERLEAVE_H__
+#define __INTERLEAVE_H__
+
+#include <gst/gst.h>
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_INTERLEAVE (gst_interleave_get_type())
+#define GST_INTERLEAVE(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_INTERLEAVE,GstInterleave))
+#define GST_INTERLEAVE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_INTERLEAVE,GstInterleaveClass))
+#define GST_INTERLEAVE_GET_CLASS(obj) \
+ (G_TYPE_INSTANCE_GET_CLASS ((obj),GST_TYPE_INTERLEAVE,GstInterleaveClass))
+#define GST_IS_INTERLEAVE(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_INTERLEAVE))
+#define GST_IS_INTERLEAVE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_INTERLEAVE))
+
+typedef struct _GstInterleave GstInterleave;
+typedef struct _GstInterleaveClass GstInterleaveClass;
+
+struct _GstInterleave
+{
+ GstElement element;
+
+ /*< private >*/
+ GstCaps *sinkcaps;
+ guint channels;
+
+ GstPad *src;
+ GstActivateMode mode;
+
+ guint pending_in;
+};
+
+struct _GstInterleaveClass
+{
+ GstElementClass parent_class;
+};
+
+GType gst_interleave_get_type (void);
+
+G_END_DECLS
+
+#endif /* __INTERLEAVE_H__ */
diff --git a/gst/interleave/plugin.h b/gst/interleave/plugin.h
index bc722bdb..3e96a7e1 100644
--- a/gst/interleave/plugin.h
+++ b/gst/interleave/plugin.h
@@ -25,12 +25,7 @@
#include <gst/gst.h>
-
-G_BEGIN_DECLS
-
-GType gst_interleave_get_type (void);
-GType gst_deinterleave_get_type (void);
-
-G_END_DECLS
+#include "interleave.h"
+#include "deinterleave.h"
#endif /* __GST_PLUGIN_INTERLEAVE_H__ */
generated by cgit (git 2.34.1) at 2024-06-29 01:31:27 +0000