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#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "alaw-encode.h"
#include "alaw-decode.h"
/* elementfactory information */
static GstElementDetails alawenc_details = {
"PCM to A Law conversion",
"Filter/Audio/Conversion",
"LGPL",
"Convert 16bit PCM to 8bit A law",
VERSION,
"Zaheer Merali <zaheer@bellworldwide.net>",
"(C) 2001"
};
/* elementfactory information */
static GstElementDetails alawdec_details = {
"A Law to PCM conversion",
"Filter/Audio/Conversion",
"LGPL",
"Convert 8bit A law to 16bit PCM",
VERSION,
"Zaheer Merali <zaheer@bellworldwide.net>",
"(C) 2001"
};
static GstCaps*
alaw_factory (void)
{
return
gst_caps_new (
"test_src",
"audio/raw",
gst_props_new (
"format", GST_PROPS_STRING ("int"),
"law", GST_PROPS_INT (2),
"width", GST_PROPS_INT(8),
"depth", GST_PROPS_INT(8),
"signed", GST_PROPS_BOOLEAN(FALSE),
NULL));
}
static GstCaps*
linear_factory (void)
{
return
gst_caps_new (
"test_sink",
"audio/raw",
gst_props_new (
"format", GST_PROPS_STRING ("int"),
"law", GST_PROPS_INT(0),
"width", GST_PROPS_INT(16),
"depth", GST_PROPS_INT(16),
"endianness", GST_PROPS_INT(G_BYTE_ORDER),
"signed", GST_PROPS_BOOLEAN(TRUE),
NULL));
}
GstPadTemplate *alawenc_src_template, *alawenc_sink_template;
GstPadTemplate *alawdec_src_template, *alawdec_sink_template;
static gboolean
plugin_init (GModule *module, GstPlugin *plugin)
{
GstElementFactory *alawenc_factory, *alawdec_factory;
GstCaps* alaw_caps, *linear_caps;
alawenc_factory = gst_element_factory_new("alawenc",GST_TYPE_ALAWENC,
&alawenc_details);
g_return_val_if_fail(alawenc_factory != NULL, FALSE);
alawdec_factory = gst_element_factory_new("alawdec",GST_TYPE_ALAWDEC,
&alawdec_details);
g_return_val_if_fail(alawdec_factory != NULL, FALSE);
gst_element_factory_set_rank (alawdec_factory, GST_ELEMENT_RANK_PRIMARY);
alaw_caps = alaw_factory ();
linear_caps = linear_factory ();
alawenc_src_template = gst_pad_template_new ("src",GST_PAD_SRC,GST_PAD_ALWAYS,alaw_caps, NULL);
alawenc_sink_template = gst_pad_template_new ("sink",GST_PAD_SINK,GST_PAD_ALWAYS,linear_caps, NULL);
gst_element_factory_add_pad_template (alawenc_factory, alawenc_src_template);
gst_element_factory_add_pad_template (alawenc_factory, alawenc_sink_template);
alawdec_src_template = gst_pad_template_new ("src",GST_PAD_SRC,GST_PAD_ALWAYS,linear_caps, NULL);
alawdec_sink_template = gst_pad_template_new ("sink",GST_PAD_SINK,GST_PAD_ALWAYS,alaw_caps, NULL);
gst_element_factory_add_pad_template (alawdec_factory, alawdec_src_template);
gst_element_factory_add_pad_template (alawdec_factory, alawdec_sink_template);
gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (alawenc_factory));
gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (alawdec_factory));
return TRUE;
}
GstPluginDesc plugin_desc = {
GST_VERSION_MAJOR,
GST_VERSION_MINOR,
"alaw",
plugin_init
};
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