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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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af42d059d6
Original commit message from CVS: Use a chain function instead of a loop monkeyenc needs audio raw caps now
149 lines
4.8 KiB
C++
149 lines
4.8 KiB
C++
/* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*
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*/
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#include <string.h>
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#include <gst/gst.h>
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#include "gstmonkeydec.h"
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#include "gstmonkeyenc.h"
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extern GstElementDetails gst_monkeydec_details;
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extern GstElementDetails gst_monkeyenc_details;
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static GstCaps* monkey_type_find (GstBuffer *buf, gpointer priv);
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GstPadTemplate *monkeydec_sink_template, *monkeydec_src_template;
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GstPadTemplate *monkeyenc_sink_template, *monkeyenc_src_template;
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static GstCaps*
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monkey_caps_factory (void)
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{
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return gst_caps_new ("monkey_application",
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"application/x-ape",
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NULL
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);
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}
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static GstCaps*
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raw_caps_factory (void)
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{
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return gst_caps_new ("monkey_raw",
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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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"endianness", GST_PROPS_INT (G_BYTE_ORDER),
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"signed", GST_PROPS_BOOLEAN (TRUE),
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"width", GST_PROPS_INT (16),
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"depth", GST_PROPS_INT (16),
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"rate", GST_PROPS_INT_RANGE (11025, 44100),
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"channels", GST_PROPS_INT_RANGE (1, 2),
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NULL
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));
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}
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static GstCaps*
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wav_caps_factory (void)
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{
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return gst_caps_new ("monkey_wav",
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"audio/x-wav",
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NULL );
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}
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static GstTypeDefinition monkeydefinition = {
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"monkey_application/x-ape", "application/x-ape", ".ape", monkey_type_find,
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};
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static GstCaps*
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monkey_type_find (GstBuffer *buf, gpointer priv)
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{
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if (strncmp ((gchar *)GST_BUFFER_DATA (buf), "MAC ", 4) != 0)
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return NULL;
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return gst_caps_new ("monkey_type_find", "application/x-ape", NULL);
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}
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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 *monkey_dec, *monkey_enc;
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GstTypeFactory *type;
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GstCaps *raw_caps, *wav_caps, *monkey_caps;
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/* this filter needs the bytestream package */
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if (!gst_library_load ("gstbytestream"))
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return FALSE;
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raw_caps = raw_caps_factory ();
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monkey_caps = monkey_caps_factory ();
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wav_caps = wav_caps_factory ();
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/* create an elementfactory for the monkeydec element */
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monkey_dec = gst_element_factory_new ("monkeydec", GST_TYPE_MONKEYDEC, &gst_monkeydec_details);
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g_return_val_if_fail(monkey_dec != NULL, FALSE);
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/* register sink pads */
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monkeydec_sink_template = gst_pad_template_new ("sink", GST_PAD_SINK,
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GST_PAD_ALWAYS,
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monkey_caps, NULL);
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gst_element_factory_add_pad_template (monkey_dec, monkeydec_sink_template);
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/* register src pads */
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monkeydec_src_template = gst_pad_template_new ("src", GST_PAD_SRC,
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GST_PAD_ALWAYS,
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raw_caps, NULL);
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gst_element_factory_add_pad_template (monkey_dec, monkeydec_src_template);
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gst_element_factory_set_rank (monkey_dec, GST_ELEMENT_RANK_PRIMARY);
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gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (monkey_dec));
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/* create an elementfactory for the monkeydec element */
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monkey_enc = gst_element_factory_new ("monkeyenc", GST_TYPE_MONKEYENC, &gst_monkeyenc_details);
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g_return_val_if_fail(monkey_enc != NULL, FALSE);
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/* register sink pads */
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monkeyenc_sink_template = gst_pad_template_new ("sink", GST_PAD_SINK,
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GST_PAD_ALWAYS,
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raw_caps, NULL);
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gst_element_factory_add_pad_template (monkey_enc, monkeyenc_sink_template);
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/* register src pads */
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monkeyenc_src_template = gst_pad_template_new ("src", GST_PAD_SRC,
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GST_PAD_ALWAYS,
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monkey_caps, NULL);
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gst_element_factory_add_pad_template (monkey_enc, monkeyenc_src_template);
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gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (monkey_enc));
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type = gst_type_factory_new (&monkeydefinition);
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gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (type));
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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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"monkey audio",
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plugin_init
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};
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