/* Gnome-Streamer * Copyright (C) <1999> Erik Walthinsen * * 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 #include "gstavitypes.h" /* elementfactory information */ static GstElementDetails gst_avi_types_details = { "avi type converter", "Decoder/Video", "Converts avi types into gstreamer types", VERSION, "Wim Taymans ", "(C) 1999", }; /* AviTypes signals and args */ enum { /* FILL ME */ LAST_SIGNAL }; enum { ARG_0, ARG_TYPE_FOUND, /* FILL ME */ }; GST_PADTEMPLATE_FACTORY (sink_templ, "sink", GST_PAD_SINK, GST_PAD_ALWAYS, GST_CAPS_NEW ( "avitypes_sink", "video/avi", "format", GST_PROPS_LIST ( GST_PROPS_STRING ("strf_vids"), GST_PROPS_STRING ("strf_auds"), GST_PROPS_STRING ("strf_iavs") ) ) ) GST_PADTEMPLATE_FACTORY (src_templ, "video_src", GST_PAD_SRC, GST_PAD_ALWAYS, GST_CAPS_NEW ( "avitypes_src", "video/raw", "format", GST_PROPS_LIST ( GST_PROPS_FOURCC (GST_MAKE_FOURCC ('Y','U','Y','2')), GST_PROPS_FOURCC (GST_MAKE_FOURCC ('R','G','B',' ')) ), "width", GST_PROPS_INT_RANGE (16, 4096), "height", GST_PROPS_INT_RANGE (16, 4096) ), GST_CAPS_NEW ( "avitypes_src", "video/avi", "format", GST_PROPS_STRING ("strf_vids") ), 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_LIST ( GST_PROPS_BOOLEAN (TRUE), GST_PROPS_BOOLEAN (FALSE) ), "width", GST_PROPS_LIST ( GST_PROPS_INT (8), GST_PROPS_INT (16) ), "depth", GST_PROPS_LIST ( GST_PROPS_INT (8), GST_PROPS_INT (16) ), "rate", GST_PROPS_INT_RANGE (11025, 44100), "channels", GST_PROPS_INT_RANGE (1, 2) ), GST_CAPS_NEW ( "src_audio", "audio/mp3", NULL ), GST_CAPS_NEW ( "src_video", "video/jpeg", NULL ), GST_CAPS_NEW ( "src_dv", "video/dv", NULL ) ) static void gst_avi_types_class_init (GstAviTypesClass *klass); static void gst_avi_types_init (GstAviTypes *avi_types); static void gst_avi_types_chain (GstPad *pad, GstBuffer *buffer); static void gst_avi_types_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec); static GstElementClass *parent_class = NULL; //static guint gst_avi_types_signals[LAST_SIGNAL] = { 0 }; GType gst_avi_types_get_type(void) { static GType avi_types_type = 0; if (!avi_types_type) { static const GTypeInfo avi_types_info = { sizeof(GstAviTypesClass), NULL, NULL, (GClassInitFunc)gst_avi_types_class_init, NULL, NULL, sizeof(GstAviTypes), 0, (GInstanceInitFunc)gst_avi_types_init, }; avi_types_type = g_type_register_static(GST_TYPE_ELEMENT, "GstAviTypes", &avi_types_info, 0); } return avi_types_type; } static void gst_avi_types_class_init (GstAviTypesClass *klass) { GObjectClass *gobject_class; GstElementClass *gstelement_class; gobject_class = (GObjectClass*)klass; gstelement_class = (GstElementClass*)klass; parent_class = g_type_class_ref (GST_TYPE_ELEMENT); g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_TYPE_FOUND, g_param_spec_boolean ("type_found","type_found","type_found", FALSE, G_PARAM_READABLE)); gobject_class->get_property = gst_avi_types_get_property; } static void gst_avi_types_newcaps (GstPad *pad, GstCaps *caps) { GstAviTypes *avi_types; const gchar *format; GstCaps *newcaps = NULL; avi_types = GST_AVI_TYPES (gst_pad_get_parent (pad)); format = gst_caps_get_string (caps, "format"); if (!strcmp (format, "strf_vids")) { gulong video_format = gst_caps_get_fourcc_int (caps, "compression"); switch (video_format) { case GST_MAKE_FOURCC ('M','J','P','G'): newcaps = gst_caps_new ("avi_type_mjpg", "video/jpeg", NULL); break; case GST_MAKE_FOURCC ('d','v','s','d'): newcaps = gst_caps_new ("avi_type_dv", "video/dv", gst_props_new ( "format", GST_PROPS_STRING ("NTSC"), NULL)); default: break; } } else if (!strcmp (format, "strf_auds")) { gint16 audio_format = gst_caps_get_int (caps, "fmt"); gint blockalign = gst_caps_get_int (caps, "blockalign"); gint size = gst_caps_get_int (caps, "size"); gint channels = gst_caps_get_int (caps, "channels"); gint rate = gst_caps_get_int (caps, "rate"); gboolean sign = (size == 8 ? FALSE : TRUE); GST_DEBUG (GST_CAT_PLUGIN_INFO, "avitypes: new caps with audio format:%04x\n", audio_format); switch (audio_format) { case 0x0001: newcaps = gst_caps_new ("avi_type_pcm", "audio/raw", gst_props_new ( "format", GST_PROPS_STRING ("int"), "law", GST_PROPS_INT (0), "endianness", GST_PROPS_INT (G_BYTE_ORDER), "signed", GST_PROPS_BOOLEAN (sign), "width", GST_PROPS_INT ((blockalign*8)/channels), "depth", GST_PROPS_INT (size), "rate", GST_PROPS_INT (rate), "channels", GST_PROPS_INT (channels), NULL )); break; case 0x0050: case 0x0055: newcaps = gst_caps_new ("avi_type_mp3", "audio/mp3", NULL); break; default: break; } } else if (!strcmp (format, "strf_iavs")) { newcaps = gst_caps_new ("avi_type_dv", "video/dv", gst_props_new ( "format", GST_PROPS_STRING ("NTSC"), NULL)); } if (newcaps) { gst_pad_set_caps (avi_types->srcpad, newcaps); avi_types->type_found = TRUE; } } static void gst_avi_types_init (GstAviTypes *avi_types) { avi_types->sinkpad = gst_pad_new_from_template ( GST_PADTEMPLATE_GET (sink_templ), "sink"); gst_element_add_pad (GST_ELEMENT (avi_types), avi_types->sinkpad); gst_pad_set_newcaps_function (avi_types->sinkpad, gst_avi_types_newcaps); gst_pad_set_chain_function (avi_types->sinkpad, gst_avi_types_chain); avi_types->srcpad = gst_pad_new_from_template ( GST_PADTEMPLATE_GET (src_templ), "src"); gst_element_add_pad (GST_ELEMENT (avi_types), avi_types->srcpad); avi_types->type_found = FALSE; } static void gst_avi_types_chain (GstPad *pad, GstBuffer *buffer) { GstAviTypes *avi_types; avi_types = GST_AVI_TYPES (gst_pad_get_parent (pad)); if (GST_PAD_CONNECTED (avi_types->srcpad)) gst_pad_push (avi_types->srcpad, buffer); else gst_buffer_unref (buffer); } static void gst_avi_types_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) { GstAviTypes *src; /* it's not null if we got it, but it might not be ours */ g_return_if_fail (GST_IS_AVI_TYPES (object)); src = GST_AVI_TYPES (object); switch (prop_id) { case ARG_TYPE_FOUND: g_value_set_boolean (value, src->type_found); break; default: break; } } static gboolean plugin_init (GModule *module, GstPlugin *plugin) { GstElementFactory *factory; /* create an elementfactory for the avi_types element */ factory = gst_elementfactory_new ("avitypes",GST_TYPE_AVI_TYPES, &gst_avi_types_details); g_return_val_if_fail (factory != NULL, FALSE); //gst_elementfactory_add_padtemplate (factory, GST_PADTEMPLATE_GET (src_templ)); gst_elementfactory_add_padtemplate (factory, GST_PADTEMPLATE_GET (sink_templ)); gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (factory)); return TRUE; } GstPluginDesc plugin_desc = { GST_VERSION_MAJOR, GST_VERSION_MINOR, "avitypes", plugin_init };