+++ /dev/null
-/* GStreamer
- * 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 "gstavidecoder.h"
-
-
-
-/* elementfactory information */
-static GstElementDetails gst_avi_decoder_details = {
- ".avi decoder",
- "Decoder/Video",
- "Decodes a .avi file into audio and video",
- VERSION,
- "Erik Walthinsen <omega@cse.ogi.edu>\n" "Wim Taymans <wim.taymans@tvd.be>",
- "(C) 1999",
-};
-
-static GstCaps *avi_typefind (GstBuffer * buf, gpointer private);
-
-/* typefactory for 'avi' */
-static GstTypeDefinition avidefinition = {
- "avidecoder_video/avi",
- "video/avi",
- ".avi",
- avi_typefind,
-};
-
-/* AviDecoder signals and args */
-enum
-{
- /* FILL ME */
- LAST_SIGNAL
-};
-
-enum
-{
- ARG_0,
- ARG_BITRATE,
- ARG_MEDIA_TIME,
- ARG_CURRENT_TIME,
- /* FILL ME */
-};
-
-GST_PADTEMPLATE_FACTORY (sink_templ,
- "sink",
- GST_PAD_SINK,
- GST_PAD_ALWAYS,
- GST_CAPS_NEW ("avidecoder_sink",
- "video/avi", "RIFF", GST_PROPS_STRING ("AVI")
- )
- )
-
- GST_PADTEMPLATE_FACTORY (src_video_templ,
- "video_src",
- GST_PAD_SRC,
- GST_PAD_ALWAYS,
- GST_CAPS_NEW ("wincodec_src",
- "video/raw",
- "format", GST_PROPS_LIST (GST_PROPS_FOURCC (GST_MAKE_FOURCC ('Y', 'U', 'Y',
- '2')), GST_PROPS_FOURCC (GST_MAKE_FOURCC ('I', '4', '2', '0')),
- GST_PROPS_FOURCC (GST_MAKE_FOURCC ('R', 'G', 'B', ' '))
- ), "width", GST_PROPS_INT_RANGE (16, 4096), "height",
- GST_PROPS_INT_RANGE (16, 4096)
- )
- )
-
- GST_PADTEMPLATE_FACTORY (src_audio_templ,
- "audio_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_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, 48000),
- "channels", GST_PROPS_INT_RANGE (1, 2)
- )
- )
-
- static void gst_avi_decoder_class_init (GstAviDecoderClass * klass);
- static void gst_avi_decoder_init (GstAviDecoder * avi_decoder);
-
- static void gst_avi_decoder_get_property (GObject * object, guint prop_id,
- GValue * value, GParamSpec * pspec);
-
-
-
- static GstElementClass *parent_class = NULL;
-
-/*static guint gst_avi_decoder_signals[LAST_SIGNAL] = { 0 }; */
-
-GType
-gst_avi_decoder_get_type (void)
-{
- static GType avi_decoder_type = 0;
-
- if (!avi_decoder_type) {
- static const GTypeInfo avi_decoder_info = {
- sizeof (GstAviDecoderClass),
- NULL,
- NULL,
- (GClassInitFunc) gst_avi_decoder_class_init,
- NULL,
- NULL,
- sizeof (GstAviDecoder),
- 0,
- (GInstanceInitFunc) gst_avi_decoder_init,
- };
-
- avi_decoder_type =
- g_type_register_static (GST_TYPE_BIN, "GstAviDecoder",
- &avi_decoder_info, 0);
- }
- return avi_decoder_type;
-}
-
-static void
-gst_avi_decoder_class_init (GstAviDecoderClass * klass)
-{
- GObjectClass *gobject_class;
- GstElementClass *gstelement_class;
-
- gobject_class = (GObjectClass *) klass;
- gstelement_class = (GstElementClass *) klass;
-
- g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_BITRATE, g_param_spec_long ("bitrate", "bitrate", "bitrate", G_MINLONG, G_MAXLONG, 0, G_PARAM_READABLE)); /* CHECKME */
- g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_MEDIA_TIME, g_param_spec_long ("media_time", "media_time", "media_time", G_MINLONG, G_MAXLONG, 0, G_PARAM_READABLE)); /* CHECKME */
- g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_CURRENT_TIME, g_param_spec_long ("current_time", "current_time", "current_time", G_MINLONG, G_MAXLONG, 0, G_PARAM_READABLE)); /* CHECKME */
-
- parent_class = g_type_class_ref (GST_TYPE_BIN);
-
- gobject_class->get_property = gst_avi_decoder_get_property;
-}
-
-static void
-gst_avi_decoder_new_pad (GstElement * element, GstPad * pad,
- GstAviDecoder * avi_decoder)
-{
- GstCaps *caps;
- GstCaps *targetcaps = NULL;
- const gchar *format;
- gboolean type_found;
- GstElement *type;
- GstElement *new_element = NULL;
- gchar *padname = NULL;
- gchar *gpadname = NULL;
-
-#define AVI_TYPE_VIDEO 1
-#define AVI_TYPE_AUDIO 2
- gint media_type = 0;
-
- GST_DEBUG (0, "avidecoder: new pad for element \"%s\"",
- gst_element_get_name (element));
-
- caps = gst_pad_get_caps (pad);
- format = gst_caps_get_string (caps, "format");
-
- if (!strcmp (format, "strf_vids")) {
- targetcaps =
- gst_padtemplate_get_caps (GST_PADTEMPLATE_GET (src_video_templ));
- media_type = AVI_TYPE_VIDEO;
- gpadname = g_strdup_printf ("video_%02d", avi_decoder->video_count++);
- } else if (!strcmp (format, "strf_auds")) {
- targetcaps =
- gst_padtemplate_get_caps (GST_PADTEMPLATE_GET (src_audio_templ));
- media_type = AVI_TYPE_AUDIO;
- gpadname = g_strdup_printf ("audio_%02d", avi_decoder->audio_count++);
- } else if (!strcmp (format, "strf_iavs")) {
- targetcaps =
- gst_padtemplate_get_caps (GST_PADTEMPLATE_GET (src_video_templ));
- media_type = AVI_TYPE_VIDEO;
- gpadname = g_strdup_printf ("video_%02d", avi_decoder->video_count++);
- } else {
- g_assert_not_reached ();
- }
-
- gst_element_set_state (GST_ELEMENT (avi_decoder), GST_STATE_PAUSED);
-
- type = gst_elementfactory_make ("avitypes",
- g_strdup_printf ("typeconvert%d", avi_decoder->count));
-
- /* brin the element to the READY state so it can do our caps negotiation */
- gst_element_set_state (type, GST_STATE_READY);
-
- gst_pad_connect (pad, gst_element_get_pad (type, "sink"));
- type_found = gst_util_get_bool_arg (G_OBJECT (type), "type_found");
-
- if (type_found) {
-
- gst_bin_add (GST_BIN (avi_decoder), type);
-
- pad = gst_element_get_pad (type, "src");
- caps = gst_pad_get_caps (pad);
-
- if (gst_caps_is_always_compatible (caps, targetcaps)) {
- gst_element_add_ghost_pad (GST_ELEMENT (avi_decoder),
- gst_element_get_pad (type, "src"), gpadname);
-
- avi_decoder->count++;
- goto done;
- }
-#ifndef GST_DISABLE_AUTOPLUG
- else {
- GstAutoplug *autoplug;
-
- autoplug = gst_autoplugfactory_make ("static");
-
- new_element = gst_autoplug_to_caps (autoplug, caps, targetcaps, NULL);
-
- padname = "src_00";
- }
-#endif /* GST_DISABLE_AUTOPLUG */
- }
-
- if (!new_element && (media_type == AVI_TYPE_VIDEO)) {
- padname = "src";
- } else if (!new_element && (media_type == AVI_TYPE_AUDIO)) {
- /*FIXME */
- padname = "src";
- }
-
- if (new_element) {
- gst_pad_connect (pad, gst_element_get_pad (new_element, "sink"));
- gst_element_set_name (new_element, g_strdup_printf ("element%d",
- avi_decoder->count));
- gst_bin_add (GST_BIN (avi_decoder), new_element);
-
- gst_element_add_ghost_pad (GST_ELEMENT (avi_decoder),
- gst_element_get_pad (new_element, padname), gpadname);
-
- avi_decoder->count++;
- } else {
- g_warning ("avidecoder: could not autoplug\n");
- }
-
-done:
- gst_element_set_state (GST_ELEMENT (avi_decoder), GST_STATE_PLAYING);
-}
-
-static void
-gst_avi_decoder_init (GstAviDecoder * avi_decoder)
-{
- avi_decoder->demuxer = gst_elementfactory_make ("avidemux", "demux");
-
- if (avi_decoder->demuxer) {
- gst_bin_add (GST_BIN (avi_decoder), avi_decoder->demuxer);
-
- gst_element_add_ghost_pad (GST_ELEMENT (avi_decoder),
- gst_element_get_pad (avi_decoder->demuxer, "sink"), "sink");
-
- g_signal_connect (G_OBJECT (avi_decoder->demuxer), "new_pad",
- G_CALLBACK (gst_avi_decoder_new_pad), avi_decoder);
- } else {
- g_warning ("wow!, no avi demuxer found. help me\n");
- }
-
- avi_decoder->count = 0;
- avi_decoder->audio_count = 0;
- avi_decoder->video_count = 0;
-}
-
-static GstCaps *
-avi_typefind (GstBuffer * buf, gpointer private)
-{
- gchar *data = GST_BUFFER_DATA (buf);
- GstCaps *new;
-
- GST_DEBUG (0, "avi_decoder: typefind");
- if (strncmp (&data[0], "RIFF", 4))
- return NULL;
- if (strncmp (&data[8], "AVI ", 4))
- return NULL;
-
- new = GST_CAPS_NEW ("avi_typefind",
- "video/avi", "RIFF", GST_PROPS_STRING ("AVI"));
-
- return new;
-}
-
-static void
-gst_avi_decoder_get_property (GObject * object, guint prop_id, GValue * value,
- GParamSpec * pspec)
-{
- GstAviDecoder *src;
-
- g_return_if_fail (GST_IS_AVI_DECODER (object));
-
- src = GST_AVI_DECODER (object);
-
- switch (prop_id) {
- case ARG_BITRATE:
- break;
- case ARG_MEDIA_TIME:
- g_value_set_long (value, gst_util_get_long_arg (G_OBJECT (src->demuxer),
- "media_time"));
- break;
- case ARG_CURRENT_TIME:
- g_value_set_long (value, gst_util_get_long_arg (G_OBJECT (src->demuxer),
- "current_time"));
- break;
- default:
- break;
- }
-}
-
-
-static gboolean
-plugin_init (GModule * module, GstPlugin * plugin)
-{
- GstElementFactory *factory;
- GstTypeFactory *type;
-
- /* create an elementfactory for the avi_decoder element */
- factory = gst_elementfactory_new ("avidecoder", GST_TYPE_AVI_DECODER,
- &gst_avi_decoder_details);
- g_return_val_if_fail (factory != NULL, FALSE);
-
- gst_elementfactory_add_padtemplate (factory,
- GST_PADTEMPLATE_GET (src_audio_templ));
- gst_elementfactory_add_padtemplate (factory,
- GST_PADTEMPLATE_GET (src_video_templ));
- gst_elementfactory_add_padtemplate (factory,
- GST_PADTEMPLATE_GET (sink_templ));
-
- type = gst_typefactory_new (&avidefinition);
- gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (type));
-
- gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (factory));
-
- return TRUE;
-}
-
-GstPluginDesc plugin_desc = {
- GST_VERSION_MAJOR,
- GST_VERSION_MINOR,
- "avidecoder",
- plugin_init
-};