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-rw-r--r--gst/passthrough/gstpassthrough.c184
-rw-r--r--gst/passthrough/gstpassthrough.h14
2 files changed, 83 insertions, 115 deletions
diff --git a/gst/passthrough/gstpassthrough.c b/gst/passthrough/gstpassthrough.c
index d9f0bac1..af9c674c 100644
--- a/gst/passthrough/gstpassthrough.c
+++ b/gst/passthrough/gstpassthrough.c
@@ -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
@@ -52,13 +53,13 @@ passthrough_sink_factory (void)
{
static GstPadTemplate *template = NULL;
- if (!template) {
+ if (! template) {
template = gst_padtemplate_new
("sink", GST_PAD_SINK, GST_PAD_ALWAYS,
- gst_caps_append(gst_caps_new ("sink_int", "audio/raw",
- GST_AUDIO_INT_PAD_TEMPLATE_PROPS),
- gst_caps_new ("sink_float", "audio/raw",
- GST_AUDIO_FLOAT_MONO_PAD_TEMPLATE_PROPS)),
+ gst_caps_append (gst_caps_new ("sink_int", "audio/raw",
+ GST_AUDIO_INT_PAD_TEMPLATE_PROPS),
+ gst_caps_new ("sink_float", "audio/raw",
+ GST_AUDIO_FLOAT_MONO_PAD_TEMPLATE_PROPS)),
NULL);
}
return template;
@@ -69,7 +70,7 @@ passthrough_src_factory (void)
{
static GstPadTemplate *template = NULL;
- if (!template)
+ if (! template)
template = gst_padtemplate_new
("src", GST_PAD_SRC, GST_PAD_ALWAYS,
gst_caps_append (gst_caps_new ("src_float", "audio/raw",
@@ -85,17 +86,16 @@ static void passthrough_class_init (GstPassthroughClass *klass);
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 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 passthrough_chain (GstPad *pad, GstBuffer *buf);
static void inline passthrough_fast_float_chain (gfloat* data, guint numsamples);
static void inline passthrough_fast_16bit_chain (gint16* data, guint numsamples);
-static void inline passthrough_fast_8bit_chain (gint8* data, guint numsamples);
+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)
@@ -107,96 +107,73 @@ passthrough_get_bufferpool (GstPad *pad)
return gst_pad_get_bufferpool (filter->srcpad);
}
-/*
-static GstPadNegotiateReturn
-passthrough_negotiate_src (GstPad *pad, GstCaps **caps, gpointer *data)
+static GstPadConnectReturn
+passthrough_connect_sink (GstPad *pad, GstCaps *caps)
{
- 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;
+ const gchar *format;
+ GstPassthrough *filter;
- return gst_pad_negotiate_proxy(pad,filter->sinkpad,caps);
-}
+ g_return_val_if_fail (pad != NULL, GST_PAD_CONNECT_DELAYED);
+ g_return_val_if_fail (caps != NULL, GST_PAD_CONNECT_DELAYED);
-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);
-}
-*/
+ filter = GST_PASSTHROUGH (gst_pad_get_parent (pad));
+ g_return_if_fail (filter != NULL);
+ g_return_if_fail (GST_IS_PASSTHROUGH (filter));
-static gint
-passthrough_parse_caps (GstPassthrough *filter, GstCaps *caps)
-{
- const gchar *format;
-
- g_return_val_if_fail(filter!=NULL,-1);
- g_return_val_if_fail(caps!=NULL,-1);
-
format = gst_caps_get_string(caps, "format");
filter->rate = gst_caps_get_int (caps, "rate");
filter->channels = gst_caps_get_int (caps, "channels");
- if (strcmp(format, "int")==0) {
+ if (strcmp (format, "int") == 0) {
filter->format = GST_PASSTHROUGH_FORMAT_INT;
filter->width = gst_caps_get_int (caps, "width");
filter->depth = gst_caps_get_int (caps, "depth");
filter->law = gst_caps_get_int (caps, "law");
filter->endianness = gst_caps_get_int (caps, "endianness");
filter->is_signed = gst_caps_get_int (caps, "signed");
- if (!filter->silent) {
+ if (! filter->silent) {
g_print ("Passthrough : channels %d, rate %d\n",
filter->channels, filter->rate);
g_print ("Passthrough : format int, bit width %d, endianness %d, signed %s\n",
filter->width, filter->endianness, filter->is_signed ? "yes" : "no");
}
- } else if (strcmp(format, "float")==0) {
+ } else if (strcmp (format, "float") == 0) {
filter->format = GST_PASSTHROUGH_FORMAT_FLOAT;
- filter->layout = gst_caps_get_string(caps, "layout");
- filter->intercept = gst_caps_get_float(caps, "intercept");
- filter->slope = gst_caps_get_float(caps, "slope");
- if (!filter->silent) {
+ filter->layout = gst_caps_get_string (caps, "layout");
+ filter->intercept = gst_caps_get_float (caps, "intercept");
+ filter->slope = gst_caps_get_float (caps, "slope");
+ if (! filter->silent) {
g_print ("Passthrough : channels %d, rate %d\n",
filter->channels, filter->rate);
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) {
static const GTypeInfo passthrough_info = {
- sizeof(GstPassthroughClass), NULL,
+ sizeof (GstPassthroughClass), NULL,
NULL,
- (GClassInitFunc)passthrough_class_init,
+ (GClassInitFunc) passthrough_class_init,
NULL,
NULL,
- sizeof(GstPassthrough),
+ sizeof (GstPassthrough),
0,
- (GInstanceInitFunc)passthrough_init,
+ (GInstanceInitFunc) passthrough_init,
};
- passthrough_type = g_type_register_static(GST_TYPE_ELEMENT, "GstPassthrough", &passthrough_info, 0);
+ passthrough_type = g_type_register_static (GST_TYPE_ELEMENT, "GstPassthrough", &passthrough_info, 0);
}
return passthrough_type;
}
@@ -207,14 +184,14 @@ passthrough_class_init (GstPassthroughClass *klass)
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
- gobject_class = (GObjectClass*)klass;
- gstelement_class = (GstElementClass*)klass;
+ gobject_class = (GObjectClass*) klass;
+ gstelement_class = (GstElementClass*) klass;
parent_class = g_type_class_ref(GST_TYPE_ELEMENT);
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);
- gst_pad_set_chain_function(filter->sinkpad,passthrough_chain);
+ filter->srcpad = gst_pad_new_from_template (passthrough_src_factory (),"src");
+ 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;
}
@@ -242,52 +219,54 @@ passthrough_chain (GstPad *pad, GstBuffer *buf)
gint16 *int_data;
gfloat *float_data;
- g_return_if_fail(pad != NULL);
- g_return_if_fail(GST_IS_PAD(pad));
- g_return_if_fail(buf != NULL);
+ g_return_if_fail (pad != NULL);
+ g_return_if_fail (GST_IS_PAD (pad));
+ g_return_if_fail (buf != NULL);
- filter = GST_PASSTHROUGH(GST_OBJECT_PARENT (pad));
- g_return_if_fail(filter != NULL);
- g_return_if_fail(GST_IS_PASSTHROUGH(filter));
+ 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);
+ int_data = (gint16 *) GST_BUFFER_DATA (buf);
switch (filter->width) {
case 16:
- passthrough_fast_16bit_chain(int_data,GST_BUFFER_SIZE(buf)/2);
+ passthrough_fast_16bit_chain (int_data, GST_BUFFER_SIZE (buf) / 2);
break;
case 8:
- passthrough_fast_8bit_chain((gint8*)int_data,GST_BUFFER_SIZE(buf));
+ passthrough_fast_8bit_chain ((gint8*) int_data, GST_BUFFER_SIZE (buf));
break;
}
break;
case GST_PASSTHROUGH_FORMAT_FLOAT:
- float_data = (gfloat *)GST_BUFFER_DATA(buf);
+ 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;
}
- gst_pad_push(filter->srcpad,buf);
+ gst_pad_push (filter->srcpad, 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
@@ -295,9 +274,8 @@ 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);
+ g_return_if_fail (GST_IS_PASSTHROUGH (object));
+ filter = GST_PASSTHROUGH (object);
switch (prop_id)
{
@@ -314,9 +292,8 @@ 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);
+ g_return_if_fail (GST_IS_PASSTHROUGH (object));
+ filter = GST_PASSTHROUGH (object);
switch (prop_id) {
case ARG_SILENT:
@@ -333,9 +310,8 @@ plugin_init (GModule *module, GstPlugin *plugin)
{
GstElementFactory *factory;
- factory = gst_elementfactory_new("passthrough",GST_TYPE_PASSTHROUGH,
- &passthrough_details);
- g_return_val_if_fail(factory != NULL, FALSE);
+ 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 ());
gst_elementfactory_add_padtemplate (factory, passthrough_sink_factory ());
diff --git a/gst/passthrough/gstpassthrough.h b/gst/passthrough/gstpassthrough.h
index d8c2f63e..74c4cf68 100644
--- a/gst/passthrough/gstpassthrough.h
+++ b/gst/passthrough/gstpassthrough.h
@@ -25,7 +25,6 @@
#include <config.h>
#include <gst/gst.h>
-// #include <gst/meta/audioraw.h>
#ifdef __cplusplus
@@ -46,7 +45,7 @@ extern "C" {
typedef struct _GstPassthrough GstPassthrough;
typedef struct _GstPassthroughClass GstPassthroughClass;
-typedef enum _GstPassthroughFormat GstPassthroughFormat;
+typedef enum _GstPassthroughFormat GstPassthroughFormat;
enum _GstPassthroughFormat {
GST_PASSTHROUGH_FORMAT_INT,
@@ -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 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;
};
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-09 18:51:46 +0000