mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-30 20:20:38 +00:00
83fc370be3
Original commit message from CVS: Make alaw / mulaw work again. - fixed link functions - make alaw encode/decode use alsa code, so it works right now
101 lines
3 KiB
C
101 lines
3 KiB
C
#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
|
|
};
|
|
|