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103 lines
2.9 KiB
C
103 lines
2.9 KiB
C
#include "mulaw-encode.h"
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#include "mulaw-decode.h"
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static GstElementDetails mulawenc_details = {
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"PCM to Mu Law conversion",
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"Filter/Audio/Conversion",
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"Convert 16bit PCM to 8bit mu law",
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VERSION,
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"Zaheer Merali <zaheer@bellworldwide.net>",
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"(C) 2001"
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};
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static GstElementDetails mulawdec_details = {
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"Mu Law to PCM conversion",
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"Filter/Audio/Conversion",
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"Convert 8bit mu law to 16bit PCM",
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VERSION,
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"Zaheer Merali <zaheer@bellworldwide.net>",
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"(C) 2001"
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};
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static GstCaps*
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mulaw_factory (void)
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{
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return
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gst_caps_new (
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"test_src",
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"audio/raw",
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gst_props_new (
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"format", GST_PROPS_STRING ("int"),
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"law", GST_PROPS_INT (1),
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"width", GST_PROPS_INT(8),
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"depth", GST_PROPS_INT(8),
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"signed", GST_PROPS_BOOLEAN(FALSE),
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NULL));
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}
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static GstCaps*
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linear_factory (void)
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{
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return
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gst_caps_new (
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"test_sink",
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"audio/raw",
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gst_props_new (
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"format", GST_PROPS_STRING ("int"),
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"law", GST_PROPS_INT(0),
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"width", GST_PROPS_INT(16),
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"depth", GST_PROPS_INT(16),
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"signed", GST_PROPS_BOOLEAN(TRUE),
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NULL));
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}
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GstPadTemplate *mulawenc_src_template, *mulawenc_sink_template;
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GstPadTemplate *mulawdec_src_template, *mulawdec_sink_template;
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static gboolean
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plugin_init (GModule *module, GstPlugin *plugin)
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{
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GstElementFactory *mulawenc_factory, *mulawdec_factory;
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GstCaps* mulaw_caps, *linear_caps;
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mulawenc_factory = gst_element_factory_new("mulawenc",GST_TYPE_MULAWENC,
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&mulawenc_details);
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g_return_val_if_fail(mulawenc_factory != NULL, FALSE);
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mulawdec_factory = gst_element_factory_new("mulawdec",GST_TYPE_MULAWDEC,
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&mulawdec_details);
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g_return_val_if_fail(mulawdec_factory != NULL, FALSE);
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mulaw_caps = mulaw_factory ();
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linear_caps = linear_factory ();
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mulawenc_src_template = gst_pad_template_new ("src", GST_PAD_SRC, GST_PAD_ALWAYS,
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mulaw_caps, NULL);
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mulawenc_sink_template = gst_pad_template_new ("sink", GST_PAD_SINK, GST_PAD_ALWAYS,
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linear_caps, NULL);
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gst_element_factory_add_pad_template (mulawenc_factory, mulawenc_src_template);
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gst_element_factory_add_pad_template (mulawenc_factory, mulawenc_sink_template);
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mulawdec_src_template = gst_pad_template_new ("src", GST_PAD_SRC, GST_PAD_ALWAYS,
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linear_caps, NULL);
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mulawdec_sink_template = gst_pad_template_new ("sink", GST_PAD_SINK, GST_PAD_ALWAYS,
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mulaw_caps, NULL);
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gst_element_factory_add_pad_template (mulawdec_factory, mulawdec_src_template);
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gst_element_factory_add_pad_template (mulawdec_factory, mulawdec_sink_template);
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gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (mulawenc_factory));
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gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (mulawdec_factory));
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return TRUE;
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}
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GstPluginDesc plugin_desc = {
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GST_VERSION_MAJOR,
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GST_VERSION_MINOR,
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"mulaw",
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plugin_init
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};
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