mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-22 08:17:01 +00:00
108 lines
3.1 KiB
C
108 lines
3.1 KiB
C
#include "mulaw-encode.h"
|
|
#include "mulaw-decode.h"
|
|
|
|
/* elementfactory information */
|
|
static GstElementDetails mulawenc_details = {
|
|
"PCM to Mu Law conversion",
|
|
"Filter/Audio/Conversion",
|
|
"LGPL",
|
|
"Convert 16bit PCM to 8bit mu law",
|
|
VERSION,
|
|
"Zaheer Merali <zaheer@bellworldwide.net>",
|
|
"(C) 2001"
|
|
};
|
|
|
|
/* elementfactory information */
|
|
static GstElementDetails mulawdec_details = {
|
|
"Mu Law to PCM conversion",
|
|
"Filter/Audio/Conversion",
|
|
"LGPL",
|
|
"Convert 8bit mu law to 16bit PCM",
|
|
VERSION,
|
|
"Zaheer Merali <zaheer@bellworldwide.net>",
|
|
"(C) 2001"
|
|
};
|
|
|
|
static GstCaps*
|
|
mulaw_factory (void)
|
|
{
|
|
return
|
|
gst_caps_new (
|
|
"test_src",
|
|
"audio/raw",
|
|
gst_props_new (
|
|
"format", GST_PROPS_STRING ("int"),
|
|
"law", GST_PROPS_INT (1),
|
|
"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),
|
|
"signed", GST_PROPS_BOOLEAN(TRUE),
|
|
NULL));
|
|
}
|
|
|
|
GstPadTemplate *mulawenc_src_template, *mulawenc_sink_template;
|
|
GstPadTemplate *mulawdec_src_template, *mulawdec_sink_template;
|
|
|
|
static gboolean
|
|
plugin_init (GModule *module, GstPlugin *plugin)
|
|
{
|
|
GstElementFactory *mulawenc_factory, *mulawdec_factory;
|
|
GstCaps* mulaw_caps, *linear_caps;
|
|
|
|
mulawenc_factory = gst_element_factory_new("mulawenc",GST_TYPE_MULAWENC,
|
|
&mulawenc_details);
|
|
g_return_val_if_fail(mulawenc_factory != NULL, FALSE);
|
|
mulawdec_factory = gst_element_factory_new("mulawdec",GST_TYPE_MULAWDEC,
|
|
&mulawdec_details);
|
|
g_return_val_if_fail(mulawdec_factory != NULL, FALSE);
|
|
gst_element_factory_set_rank (mulawdec_factory, GST_ELEMENT_RANK_PRIMARY);
|
|
|
|
mulaw_caps = mulaw_factory ();
|
|
linear_caps = linear_factory ();
|
|
|
|
mulawenc_src_template = gst_pad_template_new ("src", GST_PAD_SRC, GST_PAD_ALWAYS,
|
|
mulaw_caps, NULL);
|
|
mulawenc_sink_template = gst_pad_template_new ("sink", GST_PAD_SINK, GST_PAD_ALWAYS,
|
|
linear_caps, NULL);
|
|
|
|
gst_element_factory_add_pad_template (mulawenc_factory, mulawenc_src_template);
|
|
gst_element_factory_add_pad_template (mulawenc_factory, mulawenc_sink_template);
|
|
|
|
mulawdec_src_template = gst_pad_template_new ("src", GST_PAD_SRC, GST_PAD_ALWAYS,
|
|
linear_caps, NULL);
|
|
mulawdec_sink_template = gst_pad_template_new ("sink", GST_PAD_SINK, GST_PAD_ALWAYS,
|
|
mulaw_caps, NULL);
|
|
|
|
gst_element_factory_add_pad_template (mulawdec_factory, mulawdec_src_template);
|
|
gst_element_factory_add_pad_template (mulawdec_factory, mulawdec_sink_template);
|
|
|
|
gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (mulawenc_factory));
|
|
gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (mulawdec_factory));
|
|
|
|
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
GstPluginDesc plugin_desc = {
|
|
GST_VERSION_MAJOR,
|
|
GST_VERSION_MINOR,
|
|
"mulaw",
|
|
plugin_init
|
|
};
|
|
|