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author | Andy Wingo <wingo@pobox.com> | 2001-12-22 23:22:30 +0000 |
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committer | Andy Wingo <wingo@pobox.com> | 2001-12-22 23:22:30 +0000 |
commit | 61a50361fbb2b0166ce9ffa8a471b45b482b6eec (patch) | |
tree | 9e3b1428b9e2d1a0d404b501f2329911bc6f0a50 /gst/avi/gstaviaudiodecoder.c | |
parent | a2c423bbad0ef5dbc7698c2e27221594d296018d (diff) |
Initial revision
Original commit message from CVS:
Initial revision
Diffstat (limited to 'gst/avi/gstaviaudiodecoder.c')
-rw-r--r-- | gst/avi/gstaviaudiodecoder.c | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/gst/avi/gstaviaudiodecoder.c b/gst/avi/gstaviaudiodecoder.c new file mode 100644 index 00000000..0626774d --- /dev/null +++ b/gst/avi/gstaviaudiodecoder.c @@ -0,0 +1,195 @@ +/* Gnome-Streamer + * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + + +//#define GST_DEBUG_ENABLED +#include <string.h> + +#include "gstaviaudiodecoder.h" + + + +/* elementfactory information */ +static GstElementDetails gst_avi_audio_decoder_details = { + ".avi parser", + "Parser/Video", + "Parse a .avi file into audio and video", + VERSION, + "Erik Walthinsen <omega@cse.ogi.edu>\n" + "Wim Taymans <wim.taymans@tvd.be>", + "(C) 1999", +}; + +/* AviAudioDecoder signals and args */ +enum { + /* FILL ME */ + LAST_SIGNAL +}; + +enum { + ARG_0, + /* FILL ME */ +}; + +GST_PADTEMPLATE_FACTORY (sink_templ, + "sink", + GST_PAD_SINK, + GST_PAD_ALWAYS, + GST_CAPS_NEW ( + "avidecoder_sink", + "video/avi", + "format", GST_PROPS_STRING ("strf_auds") + ) +) + +GST_PADTEMPLATE_FACTORY (src_audio_templ, + "src", + GST_PAD_SRC, + GST_PAD_ALWAYS, + GST_CAPS_NEW ( + "src_audio", + "audio/raw", + "format", GST_PROPS_STRING ("int"), + "law", GST_PROPS_INT (0), + "endianness", GST_PROPS_INT (G_BYTE_ORDER), + "signed", GST_PROPS_BOOLEAN (TRUE), + "width", GST_PROPS_INT (16), + "depth", GST_PROPS_INT (16), + "rate", GST_PROPS_INT_RANGE (11025, 44100), + "channels", GST_PROPS_INT_RANGE (1, 2) + ) +) + +static void gst_avi_audio_decoder_class_init (GstAviAudioDecoderClass *klass); +static void gst_avi_audio_decoder_init (GstAviAudioDecoder *avi_audio_decoder); + +static void gst_avi_audio_decoder_chain (GstPad *pad, GstBuffer *buf); + +static void gst_avi_audio_decoder_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec); + + + +static GstElementClass *parent_class = NULL; +//static guint gst_avi_audio_decoder_signals[LAST_SIGNAL] = { 0 }; + +GType +gst_avi_audio_decoder_get_type(void) +{ + static GType avi_audio_decoder_type = 0; + + if (!avi_audio_decoder_type) { + static const GTypeInfo avi_audio_decoder_info = { + sizeof(GstAviAudioDecoderClass), + NULL, + NULL, + (GClassInitFunc)gst_avi_audio_decoder_class_init, + NULL, + NULL, + sizeof(GstAviAudioDecoder), + 0, + (GInstanceInitFunc)gst_avi_audio_decoder_init, + }; + avi_audio_decoder_type = g_type_register_static(GST_TYPE_ELEMENT, "GstAviAudioDecoder", &avi_audio_decoder_info, 0); + } + return avi_audio_decoder_type; +} + +static void +gst_avi_audio_decoder_class_init (GstAviAudioDecoderClass *klass) +{ + GObjectClass *gobject_class; + GstElementClass *gstelement_class; + + gobject_class = (GObjectClass*)klass; + gstelement_class = (GstElementClass*)klass; + + parent_class = g_type_class_ref (GST_TYPE_BIN); + + gobject_class->get_property = gst_avi_audio_decoder_get_property; +} + +static void +gst_avi_audio_decoder_init (GstAviAudioDecoder *avi_audio_decoder) +{ +} + +static void +gst_avi_audio_decoder_chain (GstPad *pad, + GstBuffer *buf) +{ + GstAviAudioDecoder *avi_audio_decoder; + guchar *data; + gulong size; + + g_return_if_fail (pad != NULL); + g_return_if_fail (GST_IS_PAD(pad)); + g_return_if_fail (buf != NULL); + g_return_if_fail (GST_BUFFER_DATA(buf) != NULL); + + avi_audio_decoder = GST_AVI_AUDIO_DECODER (gst_pad_get_parent (pad)); + GST_DEBUG (0,"gst_avi_audio_decoder_chain: got buffer in %u\n", GST_BUFFER_OFFSET (buf)); + g_print ("gst_avi_audio_decoder_chain: got buffer in %u\n", GST_BUFFER_OFFSET (buf)); + data = (guchar *)GST_BUFFER_DATA (buf); + size = GST_BUFFER_SIZE (buf); + + gst_buffer_unref (buf); +} + +static void +gst_avi_audio_decoder_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) +{ + GstAviAudioDecoder *src; + + g_return_if_fail (GST_IS_AVI_AUDIO_DECODER (object)); + + src = GST_AVI_AUDIO_DECODER (object); + + switch(prop_id) { + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + + +static gboolean +plugin_init (GModule *module, GstPlugin *plugin) +{ + GstElementFactory *factory; + + /* create an elementfactory for the avi_audio_decoder element */ + factory = gst_elementfactory_new ("aviaudiodecoder",GST_TYPE_AVI_AUDIO_DECODER, + &gst_avi_audio_decoder_details); + g_return_val_if_fail (factory != NULL, FALSE); + + gst_elementfactory_add_padtemplate (factory, GST_PADTEMPLATE_GET (sink_templ)); + gst_elementfactory_add_padtemplate (factory, GST_PADTEMPLATE_GET (src_audio_templ)); + + gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (factory)); + + return TRUE; +} + +GstPluginDesc plugin_desc = { + GST_VERSION_MAJOR, + GST_VERSION_MINOR, + "aviaudiodecoder", + plugin_init +}; + |