3 #define VIDEO_DECODER "mpeg2play"
15 extern gboolean _gst_plugin_spew;
16 extern GstElement *video_render_queue, *audio_render_queue;
18 void mpeg2_new_pad_created(GstElement *parse,GstPad *pad,GstElement *pipeline)
20 GstElement *parse_audio, *decode;
21 GstElement *audio_queue;
22 GstElement *audio_thread;
24 g_print("***** a new pad %s was created\n", gst_pad_get_name(pad));
26 // connect to audio pad
27 if (strncmp(gst_pad_get_name(pad), "video_", 6) == 0) {
28 mpeg2_setup_video_thread(pad, video_render_queue, pipeline);
31 else if (strncmp(gst_pad_get_name(pad), "private_stream_1.0", 18) == 0) {
32 gst_plugin_load("ac3parse");
33 gst_plugin_load("ac3dec");
34 // construct internal pipeline elements
35 parse_audio = gst_elementfactory_make("ac3parse","parse_audio");
36 g_return_if_fail(parse_audio != NULL);
37 decode = gst_elementfactory_make("ac3dec","decode_audio");
38 g_return_if_fail(decode != NULL);
40 else if (strncmp(gst_pad_get_name(pad), "audio_", 6) == 0) {
41 gst_plugin_load("mp3parse");
42 gst_plugin_load("mpg123");
43 // construct internal pipeline elements
44 parse_audio = gst_elementfactory_make("mp3parse","parse_audio");
45 g_return_if_fail(parse_audio != NULL);
46 decode = gst_elementfactory_make("mpg123","decode_audio");
47 g_return_if_fail(decode != NULL);
51 // create the thread and pack stuff into it
52 audio_thread = gst_thread_new("audio_thread");
53 g_return_if_fail(audio_thread != NULL);
54 gst_bin_add(GST_BIN(audio_thread),GST_ELEMENT(parse_audio));
55 gst_bin_add(GST_BIN(audio_thread),GST_ELEMENT(decode));
57 // set up pad connections
58 gst_element_add_ghost_pad(GST_ELEMENT(audio_thread),
59 gst_element_get_pad(parse_audio,"sink"));
60 gst_pad_connect(gst_element_get_pad(parse_audio,"src"),
61 gst_element_get_pad(decode,"sink"));
62 gst_pad_connect(gst_element_get_pad(decode,"src"),
63 gst_element_get_pad(audio_render_queue,"sink"));
65 // construct queue and connect everything in the main pipelie
66 audio_queue = gst_elementfactory_make("queue","audio_queue");
67 gtk_object_set(GTK_OBJECT(audio_queue),"max_level",30,NULL);
68 gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(audio_queue));
69 gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(audio_thread));
71 gst_element_get_pad(audio_queue,"sink"));
72 gst_pad_connect(gst_element_get_pad(audio_queue,"src"),
73 gst_element_get_pad(audio_thread,"sink"));
75 // set up thread state and kick things off
76 gtk_object_set(GTK_OBJECT(audio_thread),"create_thread",TRUE,NULL);
77 g_print("setting to RUNNING state\n");
78 gst_element_set_state(GST_ELEMENT(audio_thread),GST_STATE_RUNNING);
79 g_print("setting to PLAYING state\n");
80 gst_element_set_state(GST_ELEMENT(audio_thread),GST_STATE_PLAYING);
82 gst_element_set_state(GST_ELEMENT(pipeline),GST_STATE_PLAYING);
85 void mpeg2_setup_video_thread(GstPad *pad, GstElement *show, GstElement *pipeline)
87 GstElement *parse_video, *decode_video;
88 GstElement *video_queue;
89 GstElement *video_thread;
91 gst_plugin_load("mp1videoparse");
92 gst_plugin_load(VIDEO_DECODER);
93 // construct internal pipeline elements
94 parse_video = gst_elementfactory_make("mp1videoparse","parse_video");
95 g_return_if_fail(parse_video != NULL);
96 decode_video = gst_elementfactory_make(VIDEO_DECODER,"decode_video");
97 g_return_if_fail(decode_video != NULL);
99 // create the thread and pack stuff into it
100 video_thread = gst_thread_new("video_thread");
101 g_return_if_fail(video_thread != NULL);
102 gst_bin_add(GST_BIN(video_thread),GST_ELEMENT(parse_video));
103 gst_bin_add(GST_BIN(video_thread),GST_ELEMENT(decode_video));
105 // set up pad connections
106 gst_element_add_ghost_pad(GST_ELEMENT(video_thread),
107 gst_element_get_pad(parse_video,"sink"));
108 gst_pad_connect(gst_element_get_pad(parse_video,"src"),
109 gst_element_get_pad(decode_video,"sink"));
110 gst_pad_connect(gst_element_get_pad(decode_video,"src"),
111 gst_element_get_pad(video_render_queue,"sink"));
113 // construct queue and connect everything in the main pipeline
114 video_queue = gst_elementfactory_make("queue","video_queue");
115 gtk_object_set(GTK_OBJECT(video_queue),"max_level",BUFFER,NULL);
116 gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(video_queue));
117 gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(video_thread));
119 gst_element_get_pad(video_queue,"sink"));
120 gst_pad_connect(gst_element_get_pad(video_queue,"src"),
121 gst_element_get_pad(video_thread,"sink"));
123 // set up thread state and kick things off
124 gtk_object_set(GTK_OBJECT(video_thread),"create_thread",TRUE,NULL);
125 g_print("setting to RUNNING state\n");
126 gst_element_set_state(GST_ELEMENT(video_thread),GST_STATE_RUNNING);
127 gst_element_set_state(GST_ELEMENT(video_thread),GST_STATE_PLAYING);