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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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61 lines
1.7 KiB
C
61 lines
1.7 KiB
C
#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "mulaw-encode.h"
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#include "mulaw-decode.h"
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static GstCaps *
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mulaw_factory (void)
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{
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return gst_caps_new_simple ("audio/x-mulaw",
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"rate", GST_TYPE_INT_RANGE, 8000, 192000,
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"channels", GST_TYPE_INT_RANGE, 1, 2, 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 gst_caps_new_simple ("audio/x-raw-int",
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"width", G_TYPE_INT, 16,
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"depth", G_TYPE_INT, 16,
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"endianness", G_TYPE_INT, G_BYTE_ORDER,
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"signed", G_TYPE_BOOLEAN, TRUE,
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"rate", GST_TYPE_INT_RANGE, 8000, 192000,
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"channels", GST_TYPE_INT_RANGE, 1, 2, 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 (GstPlugin * plugin)
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{
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GstCaps *mulaw_caps, *linear_caps;
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mulaw_caps = mulaw_factory ();
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linear_caps = linear_factory ();
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mulawenc_src_template =
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gst_pad_template_new ("src", GST_PAD_SRC, GST_PAD_ALWAYS, mulaw_caps);
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mulawenc_sink_template =
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gst_pad_template_new ("sink", GST_PAD_SINK, GST_PAD_ALWAYS, linear_caps);
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mulawdec_src_template =
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gst_pad_template_new ("src", GST_PAD_SRC, GST_PAD_ALWAYS, linear_caps);
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mulawdec_sink_template =
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gst_pad_template_new ("sink", GST_PAD_SINK, GST_PAD_ALWAYS, mulaw_caps);
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if (!gst_element_register (plugin, "mulawenc",
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GST_RANK_NONE, GST_TYPE_MULAWENC) ||
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!gst_element_register (plugin, "mulawdec",
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GST_RANK_PRIMARY, GST_TYPE_MULAWDEC))
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return FALSE;
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return TRUE;
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}
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GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
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GST_VERSION_MINOR,
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"mulaw",
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"MuLaw audio conversion routines",
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plugin_init, VERSION, GST_LICENSE, GST_PACKAGE, GST_ORIGIN)
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