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-rw-r--r--gst/interleave/deinterleave.c7
-rw-r--r--gst/interleave/interleave.c1109
-rw-r--r--gst/interleave/interleave.h28
3 files changed, 689 insertions, 455 deletions
diff --git a/gst/interleave/deinterleave.c b/gst/interleave/deinterleave.c
index 2ba67735..e8a10de7 100644
--- a/gst/interleave/deinterleave.c
+++ b/gst/interleave/deinterleave.c
@@ -54,6 +54,13 @@
* </programlisting>
* Decodes an MP3 file and encodes the left and right channel into separate Ogg Vorbis files.
* </para>
+ * <para>
+ * <programlisting>
+ * gst-launch-0.10 filesrc location=file.mp3 ! decodebin ! audioconvert ! "audio/x-raw-int,channels=2" ! deinterleave name=d interleave name=i ! audioconvert ! wavenc ! filesink location=test.wav d.src0 ! queue ! audioconvert ! i.sink1 d.src1 ! queue ! audioconvert ! i.sink0
+ * </programlisting>
+ * Decodes and deinterleaves a Stereo MP3 file into separate channels and then interleaves the channels
+ * again to a WAV file with the channel with the channels exchanged.
+ * </para>
* </refsect2>
*/
diff --git a/gst/interleave/interleave.c b/gst/interleave/interleave.c
index be5b4108..b65f5a26 100644
--- a/gst/interleave/interleave.c
+++ b/gst/interleave/interleave.c
@@ -3,8 +3,9 @@
* 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.rg>
*
- * interleave.c: interleave samples, based on gstsignalprocessor.c
+ * interleave.c: interleave samples, mostly based on adder.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
@@ -22,6 +23,12 @@
* Boston, MA 02111-1307, USA.
*/
+/* TODO:
+ * - handle caps changes
+ * - set channel positions / keep from upstream
+ * - handle more queries
+ */
+
/**
* SECTION:element-interleave
*
@@ -29,13 +36,29 @@
* <para>
* Merges separate mono inputs into one interleaved stream.
* </para>
+ * <para>
+ * This element handles all raw floating point sample formats and all signed integer sample formats. The first
+ * caps on one of the sinkpads will set the caps of the output so usually an audioconvert element should be
+ * placed before every sinkpad of interleave.
+ * </para>
+ * <para>
+ * It's possible to change the number of channels while the pipeline is running by adding or removing
+ * some of the request pads but this will change the caps of the output buffers. Changing the input
+ * caps is _not_ supported yet.
+ * </para>
* <title>Example launch line</title>
* <para>
* <programlisting>
- * gst-launch-0.10 filesrc location=song.ogg ! decodebin ! audioconvert ! ladspa-gverb name=g ! interleave name=i ! audioconvert ! autoaudiosink g. ! i.
+ * gst-launch-0.10 filesrc location=file.mp3 ! decodebin ! audioconvert ! "audio/x-raw-int,channels=2" ! deinterleave name=d interleave name=i ! audioconvert ! wavenc ! filesink location=test.wav d.src0 ! queue ! audioconvert ! i.sink1 d.src1 ! queue ! audioconvert ! i.sink0
* </programlisting>
- * Apply ladspa gverb to the music and merge separate left/right outputs into a
- * stereo stream for playback.
+ * Decodes and deinterleaves a Stereo MP3 file into separate channels and then interleaves the channels
+ * again to a WAV file with the channel with the channels exchanged.
+ * </para>
+ * <para>
+ * <programlisting>
+ * gst-launch-0.10 interleave name=i ! audioconvert ! wavenc ! filesink location=file.wav filesrc location=file1.wav ! decodebin ! audioconvert ! "audio/x-raw-int,channels=1" ! queue ! i.sink0 filesrc location=file2.wav ! decodebin ! audioconvert ! "audio/x-raw-int,channels=1" ! queue ! i.sink1
+ * </programlisting>
+ * Interleaves two Mono WAV files to a single Stereo WAV file.
* </para>
* </refsect2>
*/
@@ -45,6 +68,7 @@
#endif
#include <gst/gst.h>
+#include <string.h>
#include "interleave.h"
GST_DEBUG_CATEGORY_STATIC (gst_interleave_debug);
@@ -53,74 +77,103 @@ GST_DEBUG_CATEGORY_STATIC (gst_interleave_debug);
static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink%d",
GST_PAD_SINK,
GST_PAD_REQUEST,
- GST_STATIC_CAPS ("audio/x-raw-float, "
+ GST_STATIC_CAPS ("audio/x-raw-int, "
+ "rate = (int) [ 1, MAX ], "
+ "channels = (int) 1, "
+ "endianness = (int) { LITTLE_ENDIAN, BIG_ENDIAN }, "
+ "width = (int) { 8, 16, 24, 32 }, "
+ "depth = (int) [ 1, 32 ], "
+ "signed = (boolean) true; "
+ "audio/x-raw-float, "
"rate = (int) [ 1, MAX ], "
"channels = (int) 1, "
- "endianness = (int) BYTE_ORDER, " "width = (int) 32")
+ "endianness = (int) { LITTLE_ENDIAN , BIG_ENDIAN }, "
+ "width = (int) { 32, 64 }")
);
static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
- GST_STATIC_CAPS ("audio/x-raw-float, "
+ GST_STATIC_CAPS ("audio/x-raw-int, "
+ "rate = (int) [ 1, MAX ], "
+ "channels = (int) [ 1, MAX ], "
+ "endianness = (int) { LITTLE_ENDIAN, BIG_ENDIAN }, "
+ "width = (int) { 8, 16, 24, 32 }, "
+ "depth = (int) [ 1, 32 ], "
+ "signed = (boolean) true; "
+ "audio/x-raw-float, "
"rate = (int) [ 1, MAX ], "
"channels = (int) [ 1, MAX ], "
- "endianness = (int) BYTE_ORDER, " "width = (int) 32")
+ "endianness = (int) { LITTLE_ENDIAN , BIG_ENDIAN }, "
+ "width = (int) { 32, 64 }")
);
+#define MAKE_FUNC(type) \
+static void interleave_##type (guint##type *out, guint##type *in, \
+ guint stride, guint nframes) \
+{ \
+ gint i; \
+ \
+ for (i = 0; i < nframes; i++) { \
+ *out = in[i]; \
+ out += stride; \
+ } \
+}
-#define GST_TYPE_INTERLEAVE_PAD (gst_interleave_pad_get_type ())
-#define GST_INTERLEAVE_PAD(obj) \
- (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_INTERLEAVE_PAD,\
- GstInterleavePad))
-typedef struct _GstInterleavePad GstInterleavePad;
-typedef GstPadClass GstInterleavePadClass;
+MAKE_FUNC (8);
+MAKE_FUNC (16);
+MAKE_FUNC (32);
+MAKE_FUNC (64);
-struct _GstInterleavePad
+static void
+interleave_24 (guint8 * out, guint8 * in, guint stride, guint nframes)
{
- GstPad parent;
+ gint i;
- GstBuffer *pen;
+ for (i = 0; i < nframes; i++) {
+ memcpy (out, in, 3);
+ out += stride * 3;
+ in += 3;
+ }
+}
+typedef struct
+{
+ GstCollectData data;
guint channel;
+} GstInterleaveCollectData;
- /* these are only used for sink pads */
- guint samples_avail;
- gfloat *data;
-};
+GST_BOILERPLATE (GstInterleave, gst_interleave, GstElement, GST_TYPE_ELEMENT);
-static GType
-gst_interleave_pad_get_type (void)
-{
- static GType type = 0;
+static GstPad *gst_interleave_request_new_pad (GstElement * element,
+ GstPadTemplate * templ, const gchar * name);
+static void gst_interleave_release_pad (GstElement * element, GstPad * pad);
+static GstStateChangeReturn gst_interleave_change_state (GstElement * element,
+ GstStateChange transition);
- if (!type) {
- static const GTypeInfo info = {
- sizeof (GstInterleavePadClass), NULL, NULL, NULL, NULL,
- NULL, sizeof (GstInterleavePad), 0, NULL
- };
+static gboolean gst_interleave_src_query (GstPad * pad, GstQuery * query);
+static gboolean gst_interleave_src_event (GstPad * pad, GstEvent * event);
- type = g_type_register_static (GST_TYPE_PAD, "GstInterleavePad", &info, 0);
- }
- return type;
-}
+static gboolean gst_interleave_sink_event (GstPad * pad, GstEvent * event);
+static gboolean gst_interleave_sink_setcaps (GstPad * pad, GstCaps * caps);
+static GstCaps *gst_interleave_sink_getcaps (GstPad * pad);
+static GstFlowReturn gst_interleave_collected (GstCollectPads * pads,
+ GstInterleave * self);
-GST_BOILERPLATE (GstInterleave, gst_interleave, GstElement, GST_TYPE_ELEMENT);
+static void
+gst_interleave_finalize (GObject * object)
+{
+ GstInterleave *self = GST_INTERLEAVE (object);
+ if (self->collect) {
+ gst_object_unref (self->collect);
+ self->collect = NULL;
+ }
-static gboolean gst_interleave_src_activate_pull (GstPad * pad,
- gboolean active);
-static gboolean gst_interleave_sink_activate_push (GstPad * pad,
- gboolean active);
-static GstPad *gst_interleave_request_new_pad (GstElement * element,
- GstPadTemplate * templ, const gchar * name);
+ gst_caps_replace (&self->sinkcaps, NULL);
-static GstFlowReturn gst_interleave_getrange (GstPad * pad,
- guint64 offset, guint length, GstBuffer ** buffer);
-static GstFlowReturn gst_interleave_chain (GstPad * pad, GstBuffer * buffer);
-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);
+ G_OBJECT_CLASS (parent_class)->finalize (object);
+}
static void
gst_interleave_base_init (gpointer g_class)
@@ -128,7 +181,8 @@ gst_interleave_base_init (gpointer g_class)
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>");
+ "Andy Wingo <wingo at pobox.com>, "
+ "Sebastian Dröge <slomo@circular-chaos.org>");
gst_element_class_add_pad_template (g_class,
gst_static_pad_template_get (&sink_template));
@@ -140,107 +194,332 @@ static void
gst_interleave_class_init (GstInterleaveClass * klass)
{
GstElementClass *gstelement_class;
+ GObjectClass *gobject_class;
+ gobject_class = G_OBJECT_CLASS (klass);
gstelement_class = GST_ELEMENT_CLASS (klass);
GST_DEBUG_CATEGORY_INIT (gst_interleave_debug, "interleave", 0,
"interleave element");
+ gobject_class->finalize = gst_interleave_finalize;
+
gstelement_class->request_new_pad =
GST_DEBUG_FUNCPTR (gst_interleave_request_new_pad);
+ gstelement_class->release_pad =
+ GST_DEBUG_FUNCPTR (gst_interleave_release_pad);
+ gstelement_class->change_state =
+ GST_DEBUG_FUNCPTR (gst_interleave_change_state);
}
static void
gst_interleave_init (GstInterleave * self, GstInterleaveClass * klass)
{
- self->pending_in = 0;
- self->mode = GST_ACTIVATE_NONE;
-
self->src = gst_pad_new_from_static_template (&src_template, "src");
- gst_pad_set_getrange_function (self->src,
- GST_DEBUG_FUNCPTR (gst_interleave_getrange));
- gst_pad_set_activatepull_function (self->src,
- GST_DEBUG_FUNCPTR (gst_interleave_src_activate_pull));
- gst_pad_set_setcaps_function (self->src,
- GST_DEBUG_FUNCPTR (gst_interleave_src_setcaps));
- gst_pad_set_getcaps_function (self->src,
- GST_DEBUG_FUNCPTR (gst_interleave_src_getcaps));
+ gst_pad_set_query_function (self->src,
+ GST_DEBUG_FUNCPTR (gst_interleave_src_query));
+ gst_pad_set_event_function (self->src,
+ GST_DEBUG_FUNCPTR (gst_interleave_src_event));
gst_element_add_pad (GST_ELEMENT (self), self->src);
+
+ self->collect = gst_collect_pads_new ();
+ gst_collect_pads_set_function (self->collect,
+ (GstCollectPadsFunction) gst_interleave_collected, self);
}
static GstPad *
gst_interleave_request_new_pad (GstElement * element, GstPadTemplate * templ,
- const gchar * name)
+ const gchar * req_name)
{
GstInterleave *self = GST_INTERLEAVE (element);
GstPad *new_pad;
gchar *pad_name;
+ gint channels;
+ GstInterleaveCollectData *cdata;
+
+ if (templ->direction != GST_PAD_SINK)
+ goto not_sink_pad;
- pad_name = g_strdup_printf ("sink%d", self->channels);
- new_pad = g_object_new (GST_TYPE_INTERLEAVE_PAD, "name", pad_name,
- "direction", templ->direction, "template", templ, NULL);
+ channels = g_atomic_int_exchange_and_add (&self->channels, 1);
+
+ pad_name = g_strdup_printf ("sink%d", channels);
+ new_pad = gst_pad_new_from_template (templ, pad_name);
+ GST_DEBUG_OBJECT (self, "requested new pad %s", pad_name);
g_free (pad_name);
- GST_INTERLEAVE_PAD (new_pad)->channel = self->channels;
- ++self->channels;
gst_pad_set_setcaps_function (new_pad,
GST_DEBUG_FUNCPTR (gst_interleave_sink_setcaps));
- gst_pad_set_chain_function (new_pad,
- GST_DEBUG_FUNCPTR (gst_interleave_chain));
- gst_pad_set_activatepush_function (new_pad,
- GST_DEBUG_FUNCPTR (gst_interleave_sink_activate_push));
+ gst_pad_set_getcaps_function (new_pad,
+ GST_DEBUG_FUNCPTR (gst_interleave_sink_getcaps));
+
+ cdata = (GstInterleaveCollectData *)
+ gst_collect_pads_add_pad (self->collect, new_pad,
+ sizeof (GstInterleaveCollectData));
+ cdata->channel = channels;
+
+ /* FIXME: hacked way to override/extend the event function of
+ * GstCollectPads; because it sets its own event function giving the
+ * element no access to events */
+ self->collect_event = (GstPadEventFunction) GST_PAD_EVENTFUNC (new_pad);
+ gst_pad_set_event_function (new_pad,
+ GST_DEBUG_FUNCPTR (gst_interleave_sink_event));
+
+ if (!gst_element_add_pad (element, new_pad))
+ goto could_not_add;
+
+ /* Update the src caps if we already have them */
+ if (self->sinkcaps) {
+ GstCaps *srccaps;
+ GstStructure *s;
- self->pending_in++;
+ /* Take lock to make sure processing finishes first */
+ GST_OBJECT_LOCK (self->collect);
- GST_PAD_UNSET_FLUSHING (new_pad);
- gst_element_add_pad (element, new_pad);
+ srccaps = gst_caps_copy (self->sinkcaps);
+ s = gst_caps_get_structure (srccaps, 0);
+
+ gst_structure_set (s, "channels", G_TYPE_INT, self->channels, NULL);
+
+ gst_pad_set_caps (self->src, srccaps);
+ gst_caps_unref (srccaps);
+
+ GST_OBJECT_UNLOCK (self->collect);
+ }
return new_pad;
+
+ /* errors */
+not_sink_pad:
+ {
+ g_warning ("interleave: requested new pad that is not a SINK pad\n");
+ return NULL;
+ }
+could_not_add:
+ {
+ GST_DEBUG_OBJECT (self, "could not add pad %s", GST_PAD_NAME (new_pad));
+ gst_collect_pads_remove_pad (self->collect, new_pad);
+ gst_object_unref (new_pad);
+ return NULL;
+ }
}
static void
-gst_interleave_unset_caps (GstInterleave * self)
+gst_interleave_release_pad (GstElement * element, GstPad * pad)
{
- GstElement *elem;
- GList *sinks;
+ GstInterleave *self = GST_INTERLEAVE (element);
+
+ /* Take lock to make sure we're not changing this when processing buffers */
+ GST_OBJECT_LOCK (self->collect);
+
+ self->channels--;
+
+ /* Update the src caps if we already have them */
+ if (self->sinkcaps) {
+ GstCaps *srccaps;
+ GstStructure *s;
+ GSList *l;
+ gint i = 0;
+
+ srccaps = gst_caps_copy (self->sinkcaps);
+ s = gst_caps_get_structure (srccaps, 0);
+
+ gst_structure_set (s, "channels", G_TYPE_INT, self->channels, NULL);
+
+ gst_pad_set_caps (self->src, srccaps);
+ gst_caps_unref (srccaps);
+
+ /* Update channel numbers */
+ for (l = self->collect->data; l != NULL; l = l->next) {
+ GstInterleaveCollectData *cdata = l->data;
- elem = GST_ELEMENT (self);
+ if (cdata == NULL || cdata->data.pad == pad)
+ continue;
+ cdata->channel = i;
+ i++;
+ }
+ }
- GST_INFO_OBJECT (self, "unset_caps()");
+ GST_OBJECT_UNLOCK (self->collect);
- for (sinks = elem->sinkpads; sinks; sinks = sinks->next)
- gst_pad_set_caps (GST_PAD (sinks->data), NULL);
+ gst_collect_pads_remove_pad (self->collect, pad);
+ gst_element_remove_pad (element, pad);
}
-static gboolean
-gst_interleave_sink_setcaps (GstPad * pad, GstCaps * caps)
+static GstStateChangeReturn
+gst_interleave_change_state (GstElement * element, GstStateChange transition)
{
GstInterleave *self;
+ GstStateChangeReturn ret;
+
+ self = GST_INTERLEAVE (element);
+
+ switch (transition) {
+ case GST_STATE_CHANGE_NULL_TO_READY:
+ break;
+ case GST_STATE_CHANGE_READY_TO_PAUSED:
+ self->timestamp = 0;
+ self->offset = 0;
+ self->segment_pending = TRUE;
+ self->segment_position = 0;
+ self->segment_rate = 1.0;
+ gst_segment_init (&self->segment, GST_FORMAT_UNDEFINED);
+ gst_collect_pads_start (self->collect);
+ break;
+ case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
+ break;
+ default:
+ break;
+ }
- self = GST_INTERLEAVE (gst_pad_get_parent (pad));
+ ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
+
+ switch (transition) {
+ case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
+ break;
+ case GST_STATE_CHANGE_PAUSED_TO_READY:
+ gst_collect_pads_stop (self->collect);
+ gst_pad_set_caps (self->src, NULL);
+ gst_caps_replace (&self->sinkcaps, NULL);
+ break;
+ case GST_STATE_CHANGE_READY_TO_NULL:
+ break;
+ default:
+ break;
+ }
- if (self->sinkcaps && !gst_caps_is_equal (caps, self->sinkcaps))
- goto cannot_change_caps;
+ return ret;
+}
- if (self->mode == GST_ACTIVATE_PULL) {
- GstPad *peer;
+static void
+__remove_channels (GstCaps * caps)
+{
+ GstStructure *s;
+ gint i, size;
+
+ size = gst_caps_get_size (caps);
+ for (i = 0; i < size; i++) {
+ s = gst_caps_get_structure (caps, i);
+ gst_structure_remove_field (s, "channel-positions");
+ gst_structure_remove_field (s, "channels");
+ }
+}
- if ((peer = gst_pad_get_peer (pad))) {
- gboolean res = gst_pad_set_caps (peer, caps);
+static void
+__set_channels (GstCaps * caps, gint channels)
+{
+ GstStructure *s;
+ gint i, size;
+
+ size = gst_caps_get_size (caps);
+ for (i = 0; i < size; i++) {
+ s = gst_caps_get_structure (caps, i);
+ if (channels > 0)
+ gst_structure_set (s, "channels", G_TYPE_INT, channels, NULL);
+ else
+ gst_structure_set (s, "channels", GST_TYPE_INT_RANGE, 1, G_MAXINT, NULL);
+ }
+}
+
+/* we can only accept caps that we and downstream can handle. */
+static GstCaps *
+gst_interleave_sink_getcaps (GstPad * pad)
+{
+ GstInterleave *self = GST_INTERLEAVE (gst_pad_get_parent (pad));
+ GstCaps *result, *peercaps, *sinkcaps;
+
+ GST_OBJECT_LOCK (self);
- gst_object_unref (peer);
- if (!res)
- goto peer_did_not_accept;
+ /* If we already have caps on one of the sink pads return them */
+ if (self->sinkcaps) {
+ result = gst_caps_copy (self->sinkcaps);
+ } else {
+ /* get the downstream possible caps */
+ peercaps = gst_pad_peer_get_caps (self->src);
+ /* get the allowed caps on this sinkpad */
+ sinkcaps = gst_caps_copy (gst_pad_get_pad_template_caps (pad));
+ __remove_channels (sinkcaps);
+ if (peercaps) {
+ __remove_channels (peercaps);
+ /* if the peer has caps, intersect */
+ GST_DEBUG_OBJECT (pad, "intersecting peer and template caps");
+ result = gst_caps_intersect (peercaps, sinkcaps);
+ gst_caps_unref (peercaps);
+ gst_caps_unref (sinkcaps);
+ } else {
+ /* the peer has no caps (or there is no peer), just use the allowed caps
+ * of this sinkpad. */
+ GST_DEBUG_OBJECT (pad, "no peer caps, using sinkcaps");
+ result = sinkcaps;
}
+ __set_channels (result, 1);
+ }
+
+ GST_OBJECT_UNLOCK (self);
+
+ gst_object_unref (self);
+
+ GST_DEBUG_OBJECT (pad, "Returning caps %" GST_PTR_FORMAT, result);
+
+ return result;
+}
+
+static void
+gst_interleave_set_process_function (GstInterleave * self)
+{
+ switch (self->width) {
+ case 8:
+ self->func = (GstInterleaveFunc) interleave_8;
+ break;
+ case 16:
+ self->func = (GstInterleaveFunc) interleave_16;
+ break;
+ case 24:
+ self->func = (GstInterleaveFunc) interleave_24;
+ break;
+ case 32:
+ self->func = (GstInterleaveFunc) interleave_32;
+ break;
+ case 64:
+ self->func = (GstInterleaveFunc) interleave_64;
+ break;
+ default:
+ g_assert_not_reached ();
+ break;
+ }
+}
+
+static gboolean
+gst_interleave_sink_setcaps (GstPad * pad, GstCaps * caps)
+{
+ GstInterleave *self = GST_INTERLEAVE (gst_pad_get_parent (pad));
+
+ /* First caps that are set on a sink pad are used as output caps */
+ /* TODO: handle caps changes */
+ if (self->sinkcaps && !gst_caps_is_equal (caps, self->sinkcaps)) {
+ goto cannot_change_caps;
} else {
GstCaps *srccaps;
+ GstStructure *s;
gboolean res;
+ s = gst_caps_get_structure (caps, 0);
+
+ if (!gst_structure_get_int (s, "width", &self->width))
+ goto no_width;
+
+ if (!gst_structure_get_int (s, "rate", &self->rate))
+ goto no_rate;
+
+ gst_interleave_set_process_function (self);
+
srccaps = gst_caps_copy (caps);
- gst_structure_set (gst_caps_get_structure (srccaps, 0), "channels",
- G_TYPE_INT, self->channels, NULL);
+ s = gst_caps_get_structure (srccaps, 0);
+
+ /* TODO: channel positions */
+ gst_structure_set (s, "channels", G_TYPE_INT, self->channels, NULL);
+ gst_structure_remove_field (s, "channel-positions");
res = gst_pad_set_caps (self->src, srccaps);
gst_caps_unref (srccaps);
@@ -252,456 +531,386 @@ gst_interleave_sink_setcaps (GstPad * pad, GstCaps * caps)
if (!self->sinkcaps)
gst_caps_replace (&self->sinkcaps, caps);
+ gst_object_unref (self);
+
return TRUE;
cannot_change_caps:
{
GST_DEBUG_OBJECT (self, "caps of %" GST_PTR_FORMAT " already set, can't "
"change", self->sinkcaps);
- return FALSE;
- }
-peer_did_not_accept:
- {
- GST_DEBUG_OBJECT (self, "peer did not accept setcaps()");
+ gst_object_unref (self);
return FALSE;
}
src_did_not_accept:
{
GST_DEBUG_OBJECT (self, "src did not accept setcaps()");
- return FALSE;
- }
-}
-
-static gboolean
-gst_interleave_src_setcaps (GstPad * pad, GstCaps * caps)
-{
- GstInterleave *self;
- gint channels;
-
- self = GST_INTERLEAVE (gst_pad_get_parent (pad));
-
- if (!gst_structure_get_int (gst_caps_get_structure (caps, 0), "channels",
- &channels))
- goto impossible;
-
- if (channels != self->channels)
- goto wrong_num_channels;
-
- if (self->mode == GST_ACTIVATE_PULL) {
- GstCaps *sinkcaps;
- GList *l;
-
- sinkcaps = gst_caps_copy (caps);
- gst_structure_set (gst_caps_get_structure (sinkcaps, 0), "channels",
- G_TYPE_INT, 1, NULL);
-
- for (l = GST_ELEMENT (self)->sinkpads; l; l = l->next)
- if (!gst_pad_set_caps (GST_PAD (l->data), sinkcaps))
- goto sinks_did_not_accept;
-
- gst_caps_unref (sinkcaps);
- }
-
- gst_object_unref (self);
-
- return TRUE;
-
-impossible:
- {
- g_warning ("caps didn't have channels property, how is this possible");
gst_object_unref (self);
return FALSE;
}
-wrong_num_channels:
+no_width:
{
- GST_INFO_OBJECT (self, "bad number of channels (%d != %d)",
- self->channels, channels);
+ GST_WARNING_OBJECT (self, "caps did not have width: %" GST_PTR_FORMAT,
+ caps);
gst_object_unref (self);
return FALSE;
}
-sinks_did_not_accept:
+no_rate:
{
- /* assume they already logged */
+ GST_WARNING_OBJECT (self, "caps did not have rate: %" GST_PTR_FORMAT, caps);
gst_object_unref (self);
return FALSE;
}
}
-static GstCaps *
-gst_interleave_src_getcaps (GstPad * pad)
+static gboolean
+gst_interleave_sink_event (GstPad * pad, GstEvent * event)
{
- GstInterleave *self;
- GList *l;
- GstCaps *ret;
-
- self = GST_INTERLEAVE (gst_pad_get_parent (pad));
-
- ret = gst_caps_copy (gst_pad_get_pad_template_caps (pad));
-
- for (l = GST_ELEMENT (self)->sinkpads; l; l = l->next) {
- GstCaps *sinkcaps, *oldcaps;
-
- oldcaps = ret;
- sinkcaps = gst_pad_get_caps (GST_PAD (l->data));
- ret = gst_caps_intersect (sinkcaps, oldcaps);
- gst_caps_unref (oldcaps);
- gst_caps_unref (sinkcaps);
+ GstInterleave *self = GST_INTERLEAVE (gst_pad_get_parent (pad));
+ gboolean ret;
+
+ GST_DEBUG ("Got %s event on pad %s:%s", GST_EVENT_TYPE_NAME (event),
+ GST_DEBUG_PAD_NAME (pad));
+
+ switch (GST_EVENT_TYPE (event)) {
+ case GST_EVENT_FLUSH_STOP:
+ /* mark a pending new segment. This event is synchronized
+ * with the streaming thread so we can safely update the
+ * variable without races. It's somewhat weird because we
+ * assume the collectpads forwarded the FLUSH_STOP past us
+ * and downstream (using our source pad, the bastard!).
+ */
+ self->segment_pending = TRUE;
+ break;
+ default:
+ break;
}
- if (self->channels)
- gst_structure_set (gst_caps_get_structure (ret, 0), "channels", G_TYPE_INT,
- self->channels, NULL);
+ /* now GstCollectPads can take care of the rest, e.g. EOS */
+ ret = self->collect_event (pad, event);
gst_object_unref (self);
-
return ret;
}
-static void
-gst_interleave_update_inputs (GstInterleave * self, guint nprocessed)
+static gboolean
+gst_interleave_src_query_duration (GstInterleave * self, GstQuery * query)
{
- GstElement *elem = (GstElement *) self;
- GList *sinks;
-
- for (sinks = elem->sinkpads; sinks; sinks = sinks->next) {
- GstInterleavePad *sinkpad;
-
- sinkpad = (GstInterleavePad *) sinks->data;
- g_assert (sinkpad->samples_avail >= nprocessed);
-
- if (sinkpad->pen && sinkpad->samples_avail == nprocessed) {
- /* used up this buffer, unpen */
- gst_buffer_unref (sinkpad->pen);
- sinkpad->pen = NULL;
- }
-
- if (!sinkpad->pen) {
- /* this buffer was used up */
- self->pending_in++;
- sinkpad->data = NULL;
- sinkpad->samples_avail = 0;
- } else {
- /* advance ->data pointers and decrement ->samples_avail, unreffing buffer
- if no samples are left */
- sinkpad->samples_avail -= nprocessed;
- sinkpad->data += nprocessed; /* gfloat* arithmetic */
+ gint64 max;
+ gboolean res;
+ GstFormat format;
+ GstIterator *it;
+ gboolean done;
+
+ /* parse format */
+ gst_query_parse_duration (query, &format, NULL);
+
+ max = -1;
+ res = TRUE;
+ done = FALSE;
+
+ /* Take maximum of all durations */
+ it = gst_element_iterate_sink_pads (GST_ELEMENT_CAST (self));
+ while (!done) {
+ GstIteratorResult ires;
+ gpointer item;
+
+ ires = gst_iterator_next (it, &item);
+ switch (ires) {
+ case GST_ITERATOR_DONE:
+ done = TRUE;
+ break;
+ case GST_ITERATOR_OK:
+ {
+ GstPad *pad = GST_PAD_CAST (item);
+ gint64 duration;
+
+ /* ask sink peer for duration */
+ res &= gst_pad_query_peer_duration (pad, &format, &duration);
+ /* take max from all valid return values */
+ if (res) {
+ /* valid unknown length, stop searching */
+ if (duration == -1) {
+ max = duration;
+ done = TRUE;
+ }
+ /* else see if bigger than current max */
+ else if (duration > max)
+ max = duration;
+ }
+ break;
+ }
+ case GST_ITERATOR_RESYNC:
+ max = -1;
+ res = TRUE;
+ break;
+ default:
+ res = FALSE;
+ done = TRUE;
+ break;
}
}
-}
-
-static GstFlowReturn
-gst_interleave_process (GstInterleave * self, guint nframes, GstBuffer ** buf)
-{
- GstFlowReturn ret;
- GstElement *elem;
- GList *sinks;
- guint bufsize, i, j, channels;
- gfloat *in, *out;
-
- g_return_val_if_fail (self->pending_in == 0, GST_FLOW_ERROR);
+ gst_iterator_free (it);
- elem = GST_ELEMENT (self);
-
- /* determine the number of samples that we can process */
- for (sinks = elem->sinkpads; sinks; sinks = sinks->next) {
- GstInterleavePad *sinkpad = (GstInterleavePad *) sinks->data;
-
- g_assert (sinkpad->samples_avail > 0);
- nframes = MIN (nframes, sinkpad->samples_avail);
+ if (res) {
+ /* and store the max */
+ gst_query_set_duration (query, format, max);
}
- channels = self->channels;
- bufsize = nframes * channels * sizeof (gfloat);
-
- ret = gst_pad_alloc_buffer (GST_PAD (self->src), -1,
- bufsize, GST_PAD_CAPS (self->src), buf);
-
- if (ret != GST_FLOW_OK)
- goto alloc_buffer_failed;
-
- if (GST_BUFFER_SIZE (*buf) != bufsize)
- goto alloc_buffer_bad_size;
-
- gst_buffer_set_caps (*buf, GST_PAD_CAPS (self->src));
-
- /* do the thing */
- for (sinks = elem->sinkpads, i = 0; sinks; sinks = sinks->next, i++) {
- GstInterleavePad *sinkpad = (GstInterleavePad *) sinks->data;
+ return res;
+}
- out = (gfloat *) GST_BUFFER_DATA (*buf);
- out += i; /* gfloat* arith */
- in = sinkpad->data;
- for (j = 0; j < nframes; j++)
- out[j * channels] = in[j];
+static gboolean
+gst_interleave_src_query (GstPad * pad, GstQuery * query)
+{
+ GstInterleave *self = GST_INTERLEAVE (gst_pad_get_parent (pad));
+ gboolean res = FALSE;
+
+ switch (GST_QUERY_TYPE (query)) {
+ case GST_QUERY_POSITION:
+ {
+ GstFormat format;
+
+ gst_query_parse_position (query, &format, NULL);
+
+ switch (format) {
+ case GST_FORMAT_TIME:
+ /* FIXME, bring to stream time, might be tricky */
+ gst_query_set_position (query, format, self->timestamp);
+ res = TRUE;
+ break;
+ case GST_FORMAT_DEFAULT:
+ gst_query_set_position (query, format, self->offset);
+ res = TRUE;
+ break;
+ default:
+ break;
+ }
+ break;
+ }
+ case GST_QUERY_DURATION:
+ res = gst_interleave_src_query_duration (self, query);
+ break;
+ default:
+ /* FIXME, needs a custom query handler because we have multiple
+ * sinkpads */
+ res = gst_pad_query_default (pad, query);
+ break;
}
- gst_interleave_update_inputs (self, nframes);
-
- return ret;
+ gst_object_unref (self);
+ return res;
+}
-alloc_buffer_failed:
- {
- GST_WARNING ("gst_pad_alloc_buffer() returned %d", ret);
- return ret;
- }
-alloc_buffer_bad_size:
- {
- GST_WARNING ("called alloc_buffer() for %d bytes but got %d", bufsize,
- GST_BUFFER_SIZE (*buf));
- gst_buffer_unref (*buf);
- return GST_FLOW_NOT_NEGOTIATED;
+static gboolean
+forward_event_func (GstPad * pad, GValue * ret, GstEvent * event)
+{
+ gst_event_ref (event);
+ GST_LOG_OBJECT (pad, "About to send event %s", GST_EVENT_TYPE_NAME (event));
+ if (!gst_pad_push_event (pad, event)) {
+ g_value_set_boolean (ret, FALSE);
+ GST_WARNING_OBJECT (pad, "Sending event %p (%s) failed.",
+ event, GST_EVENT_TYPE_NAME (event));
+ } else {
+ GST_LOG_OBJECT (pad, "Sent event %p (%s).",
+ event, GST_EVENT_TYPE_NAME (event));
}
+ gst_object_unref (pad);
+ return TRUE;
}
-static GstFlowReturn
-gst_interleave_pen_buffer (GstInterleave * self, GstPad * pad,
- GstBuffer * buffer)
+static gboolean
+forward_event (GstInterleave * self, GstEvent * event)
{
- GstInterleavePad *spad = (GstInterleavePad *) pad;
+ gboolean ret;
+ GstIterator *it;
+ GValue vret = { 0 };
- if (spad->pen)
- goto had_buffer;
+ GST_LOG_OBJECT (self, "Forwarding event %p (%s)", event,
+ GST_EVENT_TYPE_NAME (event));
- /* keep the reference */
- spad->pen = buffer;
- spad->data = (gfloat *) GST_BUFFER_DATA (buffer);
- spad->samples_avail = GST_BUFFER_SIZE (buffer) / sizeof (float);
+ ret = TRUE;
- g_assert (self->pending_in != 0);
+ g_value_init (&vret, G_TYPE_BOOLEAN);
+ g_value_set_boolean (&vret, TRUE);
+ it = gst_element_iterate_sink_pads (GST_ELEMENT_CAST (self));
+ gst_iterator_fold (it, (GstIteratorFoldFunction) forward_event_func, &vret,
+ event);
+ gst_iterator_free (it);
+ gst_event_unref (event);
- self->pending_in--;
+ ret = g_value_get_boolean (&vret);
- return GST_FLOW_OK;
-
- /* ERRORS */
-had_buffer:
- {
- GST_WARNING ("Pad %s:%s already has penned buffer",
- GST_DEBUG_PAD_NAME (pad));
- gst_buffer_unref (buffer);
- return GST_FLOW_ERROR;
- }
+ return ret;
}
-static void
-gst_interleave_flush (GstInterleave * self)
-{
- GList *pads;
- GST_INFO_OBJECT (self, "flush()");
+static gboolean
+gst_interleave_src_event (GstPad * pad, GstEvent * event)
+{
+ GstInterleave *self = GST_INTERLEAVE (gst_pad_get_parent (pad));
+ gboolean result;
- for (pads = GST_ELEMENT (self)->sinkpads; pads; pads = pads->next) {
- GstInterleavePad *spad = (GstInterleavePad *) pads->data;
+ switch (GST_EVENT_TYPE (event)) {
+ case GST_EVENT_QOS:
+ /* QoS might be tricky */
+ result = FALSE;
+ break;
+ case GST_EVENT_SEEK:
+ {
+ GstSeekFlags flags;
+ GstSeekType curtype;
+ gint64 cur;
+
+ /* parse the seek parameters */
+ gst_event_parse_seek (event, &self->segment_rate, NULL, &flags, &curtype,
+ &cur, NULL, NULL);
+
+ /* check if we are flushing */
+ if (flags & GST_SEEK_FLAG_FLUSH) {
+ /* make sure we accept nothing anymore and return WRONG_STATE */
+ gst_collect_pads_set_flushing (self->collect, TRUE);
+
+ /* flushing seek, start flush downstream, the flush will be done
+ * when all pads received a FLUSH_STOP. */
+ gst_pad_push_event (self->src, gst_event_new_flush_start ());
+ }
- if (spad->pen) {
- gst_buffer_unref (spad->pen);
- spad->pen = NULL;
- spad->data = NULL;
- spad->samples_avail = 0;
+ /* now wait for the collected to be finished and mark a new
+ * segment */
+ GST_OBJECT_LOCK (self->collect);
+ if (curtype == GST_SEEK_TYPE_SET)
+ self->segment_position = cur;
+ else
+ self->segment_position = 0;
+ self->segment_pending = TRUE;
+ GST_OBJECT_UNLOCK (self->collect);
+
+ result = forward_event (self, event);
+ break;
}
+ case GST_EVENT_NAVIGATION:
+ /* navigation is rather pointless. */
+ result = FALSE;
+ break;
+ default:
+ /* just forward the rest for now */
+ result = forward_event (self, event);
+ break;
}
+ gst_object_unref (self);
- self->pending_in = GST_ELEMENT (self)->numsinkpads;
+ return result;
}
static GstFlowReturn
-gst_interleave_do_pulls (GstInterleave * self, guint nframes)
+gst_interleave_collected (GstCollectPads * pads, GstInterleave * self)
{
- GList *sinkpads;
+ guint size;
+ GstBuffer *outbuf;
GstFlowReturn ret = GST_FLOW_OK;
+ GSList *collected;
+ guint nsamples;
+ guint ncollected = 0;
+ gboolean empty = TRUE;
+ gint width = self->width / 8;
- /* FIXME: not threadsafe atm */
-
- sinkpads = GST_ELEMENT (self)->sinkpads;
+ g_return_val_if_fail (self->func != NULL, GST_FLOW_NOT_NEGOTIATED);
+ g_return_val_if_fail (self->width > 0, GST_FLOW_NOT_NEGOTIATED);
+ g_return_val_if_fail (self->channels > 0, GST_FLOW_NOT_NEGOTIATED);
+ g_return_val_if_fail (self->rate > 0, GST_FLOW_NOT_NEGOTIATED);
- for (; sinkpads; sinkpads = sinkpads->next) {
- GstInterleavePad *spad = (GstInterleavePad *) sinkpads->data;
- GstBuffer *buf;
+ size = gst_collect_pads_available (pads);
- if (spad->pen) {
- g_warning ("Unexpectedly full buffer pen for pad %s:%s",
- GST_DEBUG_PAD_NAME (spad));
- continue;
- }
+ g_return_val_if_fail (size % width == 0, GST_FLOW_ERROR);
- ret =
- gst_pad_pull_range (GST_PAD (spad), -1, nframes * sizeof (gfloat),
- &buf);
- if (ret != GST_FLOW_OK)
- goto pull_failed;
+ GST_DEBUG_OBJECT (self, "Starting to collect %u bytes from %d channels", size,
+ self->channels);
- if (!buf)
- goto no_buffer;
+ nsamples = size / width;
- ret = gst_interleave_pen_buffer (self, GST_PAD (spad), buf);
- if (ret != GST_FLOW_OK)
- goto pull_failed;
- }
+ ret =
+ gst_pad_alloc_buffer (self->src, GST_BUFFER_OFFSET_NONE,
+ size * self->channels, GST_PAD_CAPS (self->src), &outbuf);
- return ret;
-
-pull_failed:
- {
- gst_interleave_flush (self);
+ if (ret != GST_FLOW_OK) {
return ret;
+ } else if (outbuf == NULL || GST_BUFFER_SIZE (outbuf) < size * self->channels) {
+ gst_buffer_unref (outbuf);
+ return GST_FLOW_NOT_NEGOTIATED;
+ } else if (!gst_caps_is_equal (GST_BUFFER_CAPS (outbuf),
+ GST_PAD_CAPS (self->src))) {
+ gst_buffer_unref (outbuf);
+ return GST_FLOW_NOT_NEGOTIATED;
}
-no_buffer:
- {
- g_critical ("Pull failed to make a buffer!");
- return GST_FLOW_ERROR;
- }
-}
-
-static GstFlowReturn
-gst_interleave_getrange (GstPad * pad, guint64 offset,
- guint length, GstBuffer ** buffer)
-{
- GstInterleave *self;
- GstFlowReturn ret = GST_FLOW_ERROR;
- guint nframes;
-
- self = GST_INTERLEAVE (gst_pad_get_parent (pad));
- nframes = length / self->channels / sizeof (gfloat);
+ memset (GST_BUFFER_DATA (outbuf), 0, size * self->channels);
- ret = gst_interleave_do_pulls (self, nframes);
+ for (collected = pads->data; collected != NULL; collected = collected->next) {
+ GstInterleaveCollectData *cdata;
+ GstBuffer *inbuf;
+ guint8 *outdata;
- if (ret == GST_FLOW_OK)
- ret = gst_interleave_process (self, nframes, buffer);
+ cdata = (GstInterleaveCollectData *) collected->data;
- GST_DEBUG_OBJECT (self, "returns %s", gst_flow_get_name (ret));
-
- gst_object_unref (self);
-
- return ret;
-}
-
-static GstFlowReturn
-gst_interleave_chain (GstPad * pad, GstBuffer * buffer)
-{
- GstFlowReturn ret;
- GstInterleave *self;
-
- self = GST_INTERLEAVE (gst_pad_get_parent (pad));
+ inbuf = gst_collect_pads_take_buffer (pads, (GstCollectData *) cdata, size);
+ if (inbuf == NULL) {
+ GST_DEBUG_OBJECT (cdata->data.pad, "No buffer available");
+ goto next;
+ }
+ ncollected++;
- ret = gst_interleave_pen_buffer (self, pad, buffer);
- if (ret != GST_FLOW_OK)
- goto pen_failed;
+ if (GST_BUFFER_FLAG_IS_SET (inbuf, GST_BUFFER_FLAG_GAP))
+ goto next;
- if (self->pending_in == 0) {
- GstBuffer *out;
+ empty = FALSE;
+ outdata = GST_BUFFER_DATA (outbuf) + width * cdata->channel;
- ret = gst_interleave_process (self, G_MAXUINT, &out);
- if (ret != GST_FLOW_OK)
- goto process_failed;
+ self->func (outdata, GST_BUFFER_DATA (inbuf), self->channels, nsamples);
- ret = gst_pad_push (self->src, out);
+ next:
+ if (inbuf)
+ gst_buffer_unref (inbuf);
}
-done:
- gst_object_unref (self);
- return ret;
-
-pen_failed:
- {
- GST_WARNING_OBJECT (self, "pen failed");
- goto done;
- }
-process_failed:
- {
- GST_WARNING_OBJECT (self, "process failed");
- goto done;
- }
-}
+ if (ncollected == 0)
+ goto eos;
-static gboolean
-gst_interleave_sink_activate_push (GstPad * pad, gboolean active)
-{
- gboolean result = TRUE;
- GstInterleave *self;
+ if (self->segment_pending) {
+ GstEvent *event;
- self = GST_INTERLEAVE (gst_pad_get_parent (pad));
+ event = gst_event_new_new_segment_full (FALSE, self->segment_rate,
+ 1.0, GST_FORMAT_TIME, self->timestamp, -1, self->segment_position);
- if (active) {
- if (self->mode == GST_ACTIVATE_NONE) {
- self->mode = GST_ACTIVATE_PUSH;
- result = TRUE;
- } else if (self->mode == GST_ACTIVATE_PUSH) {
- result = TRUE;
- } else {
- g_warning ("foo");
- result = FALSE;
- }
- } else {
- if (self->mode == GST_ACTIVATE_NONE) {
- result = TRUE;
- } else if (self->mode == GST_ACTIVATE_PUSH) {
- self->mode = GST_ACTIVATE_NONE;
- result = TRUE;
- } else {
- g_warning ("foo");
- result = FALSE;
- }
+ gst_pad_push_event (self->src, event);
+ self->segment_pending = FALSE;
+ self->segment_position = 0;
}
- GST_DEBUG_OBJECT (self, "result : %d", result);
+ GST_BUFFER_TIMESTAMP (outbuf) = self->timestamp;
+ GST_BUFFER_OFFSET (outbuf) = self->offset;
- gst_object_unref (self);
+ self->offset += nsamples;
+ self->timestamp = gst_util_uint64_scale_int (self->offset,
+ GST_SECOND, self->rate);
- return result;
-}
+ GST_BUFFER_DURATION (outbuf) = self->timestamp -
+ GST_BUFFER_TIMESTAMP (outbuf);
-static gboolean
-gst_interleave_src_activate_pull (GstPad * pad, gboolean active)
-{
- gboolean result = TRUE;
- GstInterleave *self;
+ if (empty)
+ GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_FLAG_GAP);
- self = GST_INTERLEAVE (gst_pad_get_parent (pad));
+ GST_LOG_OBJECT (self, "pushing outbuf, timestamp %" GST_TIME_FORMAT,
+ GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (outbuf)));
+ ret = gst_pad_push (self->src, outbuf);
- if (active) {
- if (self->mode == GST_ACTIVATE_NONE) {
- GList *l;
-
- if (GST_ELEMENT (self)->sinkpads) {
- for (l = GST_ELEMENT (self)->sinkpads; l; l = l->next)
- result &= gst_pad_activate_pull (GST_PAD (l->data), active);
- } else {
- /* nobody has requested pads, seems i am operating in delayed-request
- push mode */
- result = FALSE;
- }
- if (result)
- self->mode = GST_ACTIVATE_PULL;
- } else if (self->mode == GST_ACTIVATE_PULL) {
- result = TRUE;
- } else {
- g_warning ("foo");
- result = FALSE;
- }
- } else {
- if (self->mode == GST_ACTIVATE_NONE) {
- result = TRUE;
- } else if (self->mode == GST_ACTIVATE_PULL) {
- GList *l;
-
- for (l = GST_ELEMENT (self)->sinkpads; l; l = l->next)
- result &= gst_pad_activate_pull (GST_PAD (l->data), active);
- if (result)
- self->mode = GST_ACTIVATE_NONE;
- result = TRUE;
- } else {
- g_warning ("foo");
- result = FALSE;
- }
+ return ret;
- gst_interleave_unset_caps (self);
- gst_interleave_flush (self);
+eos:
+ {
+ GST_DEBUG_OBJECT (self, "no data available, must be EOS");
+ gst_buffer_unref (outbuf);
+ gst_pad_push_event (self->src, gst_event_new_eos ());
+ return GST_FLOW_UNEXPECTED;
}
-
- GST_DEBUG_OBJECT (self, "result : %d", result);
-
- gst_object_unref (self);
-
- return result;
}
diff --git a/gst/interleave/interleave.h b/gst/interleave/interleave.h
index 915871eb..65006954 100644
--- a/gst/interleave/interleave.h
+++ b/gst/interleave/interleave.h
@@ -3,8 +3,9 @@
* 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>
*
- * interleave.c: interleave samples, based on gstsignalprocessor.c
+ * interleave.c: interleave samples, mostly based on adder
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
@@ -26,6 +27,7 @@
#define __INTERLEAVE_H__
#include <gst/gst.h>
+#include <gst/base/gstcollectpads.h>
G_BEGIN_DECLS
@@ -40,18 +42,34 @@ G_BEGIN_DECLS
typedef struct _GstInterleave GstInterleave;
typedef struct _GstInterleaveClass GstInterleaveClass;
+typedef void (*GstInterleaveFunc) (gpointer out, gpointer in, guint stride, guint nframes);
+
struct _GstInterleave
{
GstElement element;
/*< private >*/
+ GstCollectPads *collect;
+
+ gint channels;
+ gint rate;
+ gint width;
+
GstCaps *sinkcaps;
- guint channels;
- GstPad *src;
- GstActivateMode mode;
+ GstClockTime timestamp;
+ guint64 offset;
- guint pending_in;
+ gboolean segment_pending;
+ guint64 segment_position;
+ gdouble segment_rate;
+ GstSegment segment;
+
+ GstPadEventFunction collect_event;
+
+ GstInterleaveFunc func;
+
+ GstPad *src;
};
struct _GstInterleaveClass
generated by cgit v1.2.1 (git 2.18.0) at 2024-12-30 19:22:56 +0000