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Updated passthrough to work with new caps nego stuff.

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Original commit message from CVS:
Updated passthrough to work with new caps nego stuff.
This commit is contained in:
Leif Johnson 2002-01-22 04:43:10 +00:00
parent 77c65b62bf
commit 1924c5ce0c
2 changed files with 84 additions and 116 deletions
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102
gst/passthrough/gstpassthrough.c
View File

@ -23,7 +23,8 @@
#include <gst/audio/audio.h>
#include "gstpassthrough.h"
#define PASSTHRU_BUF_SIZE 4096
#define PASSTHRU_NUM_BUFS 4
static GstElementDetails passthrough_details = {
"Passthrough",
@ -35,13 +36,13 @@ static GstElementDetails passthrough_details = {
"(C) 2001",
};
/* Filter signals and args */
enum {
/* FILL ME */
LAST_SIGNAL
};
/* static guint gst_filter_signals[LAST_SIGNAL] = { 0 }; */
enum {
ARG_0,
ARG_SILENT
@ -87,7 +88,7 @@ static void passthrough_init (GstPassthrough *filter);
static void passthrough_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec);
static void passthrough_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec);
static gint passthrough_parse_caps (GstPassthrough *filter, GstCaps *caps);
static GstPadConnectReturn passthrough_connect_sink (GstPad *pad, GstCaps *caps);
static void passthrough_chain (GstPad *pad, GstBuffer *buf);
static void inline passthrough_fast_float_chain (gfloat* data, guint numsamples);
@ -95,7 +96,6 @@ static void inline passthrough_fast_16bit_chain (gint16* data, guint numsample
static void inline passthrough_fast_8bit_chain (gint8* data, guint numsamples);
static GstElementClass *parent_class = NULL;
//static guint gst_filter_signals[LAST_SIGNAL] = { 0 };
static GstBufferPool*
passthrough_get_bufferpool (GstPad *pad)
@ -107,43 +107,18 @@ passthrough_get_bufferpool (GstPad *pad)
return gst_pad_get_bufferpool (filter->srcpad);
}
/*
static GstPadNegotiateReturn
passthrough_negotiate_src (GstPad *pad, GstCaps **caps, gpointer *data)
{
GstPassthrough* filter = GST_PASSTHROUGH (gst_pad_get_parent (pad));
if (*caps==NULL)
return GST_PAD_NEGOTIATE_FAIL;
if (passthrough_parse_caps(filter, *caps))
return GST_PAD_NEGOTIATE_FAIL;
return gst_pad_negotiate_proxy(pad,filter->sinkpad,caps);
}
static GstPadNegotiateReturn
passthrough_negotiate_sink (GstPad *pad, GstCaps **caps, gpointer *data)
{
GstPassthrough* filter = GST_PASSTHROUGH (gst_pad_get_parent (pad));
if (*caps==NULL)
return GST_PAD_NEGOTIATE_FAIL;
if (passthrough_parse_caps(filter, *caps))
return GST_PAD_NEGOTIATE_FAIL;
return gst_pad_negotiate_proxy(pad,filter->srcpad,caps);
}
*/
static gint
passthrough_parse_caps (GstPassthrough *filter, GstCaps *caps)
static GstPadConnectReturn
passthrough_connect_sink (GstPad *pad, GstCaps *caps)
{
const gchar *format;
GstPassthrough *filter;
g_return_val_if_fail(filter!=NULL,-1);
g_return_val_if_fail(caps!=NULL,-1);
g_return_val_if_fail (pad != NULL, GST_PAD_CONNECT_DELAYED);
g_return_val_if_fail (caps != NULL, GST_PAD_CONNECT_DELAYED);
filter = GST_PASSTHROUGH (gst_pad_get_parent (pad));
g_return_if_fail (filter != NULL);
g_return_if_fail (GST_IS_PASSTHROUGH (filter));
format = gst_caps_get_string(caps, "format");
@ -174,15 +149,17 @@ passthrough_parse_caps (GstPassthrough *filter, GstCaps *caps)
g_print ("Passthrough : format float, layout %s, intercept %f, slope %f\n",
filter->layout, filter->intercept, filter->slope);
}
} else {
return -1;
}
return 0;
}
if (GST_CAPS_IS_FIXED (caps) && ! gst_pad_try_set_caps (filter->srcpad, caps))
return GST_PAD_CONNECT_REFUSED;
return GST_PAD_CONNECT_DELAYED;
}
GType
gst_passthrough_get_type(void) {
gst_passthrough_get_type (void)
{
static GType passthrough_type = 0;
if (!passthrough_type) {
@ -214,7 +191,7 @@ passthrough_class_init (GstPassthroughClass *klass)
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_SILENT,
g_param_spec_boolean("silent","silent","silent",
TRUE,G_PARAM_READWRITE)); // CHECKME
TRUE, G_PARAM_READWRITE)); /* CHECKME */
gobject_class->set_property = passthrough_set_property;
gobject_class->get_property = passthrough_get_property;
@ -223,15 +200,15 @@ passthrough_class_init (GstPassthroughClass *klass)
static void
passthrough_init (GstPassthrough *filter)
{
filter->sinkpad = gst_pad_new_from_template(passthrough_sink_factory (),"sink");
//gst_pad_set_negotiate_function(filter->sinkpad,passthrough_negotiate_sink);
gst_pad_set_bufferpool_function(filter->sinkpad,passthrough_get_bufferpool);
filter->srcpad = gst_pad_new_from_template (passthrough_src_factory (),"src");
//gst_pad_set_negotiate_function(filter->srcpad,passthrough_negotiate_src);
gst_element_add_pad(GST_ELEMENT(filter),filter->sinkpad);
gst_element_add_pad (GST_ELEMENT (filter), filter->srcpad);
filter->sinkpad = gst_pad_new_from_template (passthrough_sink_factory (),"sink");
gst_element_add_pad (GST_ELEMENT (filter), filter->sinkpad);
gst_pad_set_connect_function (filter->sinkpad, passthrough_connect_sink);
gst_pad_set_bufferpool_function (filter->sinkpad, passthrough_get_bufferpool);
gst_pad_set_chain_function (filter->sinkpad, passthrough_chain);
filter->silent = FALSE;
}
@ -246,10 +223,15 @@ passthrough_chain (GstPad *pad, GstBuffer *buf)
g_return_if_fail (GST_IS_PAD (pad));
g_return_if_fail (buf != NULL);
filter = GST_PASSTHROUGH(GST_OBJECT_PARENT (pad));
filter = GST_PASSTHROUGH (gst_pad_get_parent (pad));
g_return_if_fail (filter != NULL);
g_return_if_fail (GST_IS_PASSTHROUGH (filter));
filter->bufpool = gst_pad_get_bufferpool (filter->srcpad);
if (filter->bufpool == NULL) {
filter->bufpool = gst_buffer_pool_get_default (PASSTHRU_BUF_SIZE, PASSTHRU_NUM_BUFS);
}
switch (filter->format) {
case GST_PASSTHROUGH_FORMAT_INT:
int_data = (gint16 *) GST_BUFFER_DATA (buf);
@ -267,7 +249,7 @@ passthrough_chain (GstPad *pad, GstBuffer *buf)
case GST_PASSTHROUGH_FORMAT_FLOAT:
float_data = (gfloat *) GST_BUFFER_DATA (buf);
passthrough_fast_float_chain(float_data,GST_BUFFER_SIZE(buf)/sizeof(float));
passthrough_fast_float_chain (float_data, GST_BUFFER_SIZE (buf) / sizeof (gfloat));
break;
}
@ -276,18 +258,15 @@ passthrough_chain (GstPad *pad, GstBuffer *buf)
}
static void inline
passthrough_fast_float_chain(gfloat* data,
guint num_samples)
passthrough_fast_float_chain(gfloat* data, guint num_samples)
#include "filter.func"
static void inline
passthrough_fast_16bit_chain(gint16* data,
guint num_samples)
passthrough_fast_16bit_chain(gint16* data, guint num_samples)
#include "filter.func"
static void inline
passthrough_fast_8bit_chain(gint8* data,
guint num_samples)
passthrough_fast_8bit_chain(gint8* data, guint num_samples)
#include "filter.func"
static void
@ -295,7 +274,6 @@ passthrough_set_property (GObject *object, guint prop_id, const GValue *value, G
{
GstPassthrough *filter;
/* it's not null if we got it, but it might not be ours */
g_return_if_fail (GST_IS_PASSTHROUGH (object));
filter = GST_PASSTHROUGH (object);
@ -314,7 +292,6 @@ passthrough_get_property (GObject *object, guint prop_id, GValue *value, GParamS
{
GstPassthrough *filter;
/* it's not null if we got it, but it might not be ours */
g_return_if_fail (GST_IS_PASSTHROUGH (object));
filter = GST_PASSTHROUGH (object);
@ -333,8 +310,7 @@ plugin_init (GModule *module, GstPlugin *plugin)
{
GstElementFactory *factory;
factory = gst_elementfactory_new("passthrough",GST_TYPE_PASSTHROUGH,
&passthrough_details);
factory = gst_elementfactory_new ("passthrough", GST_TYPE_PASSTHROUGH, &passthrough_details);
g_return_val_if_fail (factory != NULL, FALSE);
gst_elementfactory_add_padtemplate (factory, passthrough_src_factory ());

10
gst/passthrough/gstpassthrough.h
View File

@ -25,7 +25,6 @@
#include <config.h>
#include <gst/gst.h>
// #include <gst/meta/audioraw.h>
#ifdef __cplusplus
@ -57,35 +56,28 @@ struct _GstPassthrough {
GstElement element;
GstPad *sinkpad, *srcpad;
GstBufferPool *bufpool;
gboolean silent;
/* the next three are valid for both int and float */
GstPassthroughFormat format;
guint rate;
guint channels;
/* the next five are valid only for format==GST_PASSTHROUGH_FORMAT_INT */
guint width;
guint depth;
guint endianness;
guint law;
gboolean is_signed;
/* the next three are valid only for format==GST_PASSTHROUGH_FORMAT_FLOAT */
const gchar *layout;
gfloat slope;
gfloat intercept;
};