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Rearranged and updated mp1parse. Indentation is sane again (what editor and it now uses threads. Playback is clean ...
Original commit message from CVS: Rearranged and updated mp1parse. Indentation is sane again (what editor are you using, Wim?), and it now uses threads. Playback is clean (at least, audio and video are running smoothly. Video is still a little choppy on my test stream (first 1MB from disk two of Mulan VCD), and it's still wildly out of sync, but it's looking VERY COOL.
This commit is contained in:
Erik Walthinsen
parent
1f05e5a957
commit
d224516279
1 changed files with 81 additions and 72 deletions
123
test/mp1parse.c
123
test/mp1parse.c
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@ -1,10 +1,9 @@
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#include <gst/gst.h>
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extern gboolean _gst_plugin_spew;
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GstPipeline *pipeline;
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void eof(GstSrc *src) {
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g_print("have eof, quitting\n");
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g_print("have eos, quitting\n");
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exit(0);
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}
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@ -13,115 +12,123 @@ void mp1parse_info_chain(GstPad *pad,GstBuffer *buf) {
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gst_buffer_unref(buf);
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}
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void new_pad_created(GstElement *parse, GstPad *pad) {
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GstElementFactory *parsefactory, *decodefactory, *playfactory;
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void new_pad_created(GstElement *parse,GstPad *pad,GstElement *pipeline) {
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GstElement *parse_audio, *parse_video, *decode, *decode_video, *play;
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GstPipeline *audio_pipeline, *video_pipeline;
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GstElement *audio_queue, *video_queue;
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GstElement *audio_thread, *video_thread;
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GstPad *infopad;
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g_print("a new pad %s was created\n", gst_pad_get_name(pad));
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g_print("***** a new pad %s was created\n", gst_pad_get_name(pad));
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// connect to audio pad
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if (strncmp(gst_pad_get_name(pad), "audio_", 6) == 0) {
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parsefactory = gst_elementfactory_find("mp3parse");
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g_return_if_fail(parsefactory != NULL);
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decodefactory = gst_elementfactory_find("mpg123");
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g_return_if_fail(decodefactory != NULL);
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playfactory = gst_elementfactory_find("audiosink");
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g_return_if_fail(playfactory != NULL);
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parse_audio = gst_elementfactory_create(parsefactory,"parse_audio");
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// construct internal pipeline elements
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parse_audio = gst_elementfactory_make("mp3parse","parse_audio");
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g_return_if_fail(parse_audio != NULL);
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decode = gst_elementfactory_create(decodefactory,"decode_audio");
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decode = gst_elementfactory_make("mpg123","decode_audio");
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g_return_if_fail(decode != NULL);
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play = gst_elementfactory_create(playfactory,"play_audio");
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play = gst_elementfactory_make("audiosink","play_audio");
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g_return_if_fail(play != NULL);
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audio_pipeline = gst_pipeline_new("audio_pipeline");
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g_return_if_fail(audio_pipeline != NULL);
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// create the thread and pack stuff into it
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audio_thread = gst_thread_new("audio_thread");
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g_return_if_fail(audio_thread != NULL);
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gst_bin_add(GST_BIN(audio_thread),GST_ELEMENT(parse_audio));
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gst_bin_add(GST_BIN(audio_thread),GST_ELEMENT(decode));
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gst_bin_add(GST_BIN(audio_thread),GST_ELEMENT(play));
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gst_bin_add(GST_BIN(audio_pipeline),GST_ELEMENT(parse_audio));
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gst_bin_add(GST_BIN(audio_pipeline),GST_ELEMENT(decode));
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gst_bin_add(GST_BIN(audio_pipeline),GST_ELEMENT(play));
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gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(audio_pipeline));
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gst_pad_connect(gst_element_get_pad(parse,gst_pad_get_name(pad)),
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// set up pad connections
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gst_element_add_ghost_pad(GST_ELEMENT(audio_thread),
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gst_element_get_pad(parse_audio,"sink"));
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gst_pad_connect(gst_element_get_pad(parse_audio,"src"),
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gst_element_get_pad(decode,"sink"));
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gst_pad_connect(gst_element_get_pad(decode,"src"),
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gst_element_get_pad(play,"sink"));
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// construct queue and connect everything in the main pipelie
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audio_queue = gst_elementfactory_make("queue","audio_queue");
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gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(audio_queue));
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gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(audio_thread));
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gst_pad_connect(pad,
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gst_element_get_pad(audio_queue,"sink"));
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gst_pad_connect(gst_element_get_pad(audio_queue,"src"),
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gst_element_get_pad(audio_thread,"sink"));
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// set up thread state and kick things off
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gtk_object_set(GTK_OBJECT(audio_thread),"create_thread",TRUE,NULL);
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g_print("setting to RUNNING state\n");
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gst_element_set_state(GST_ELEMENT(audio_pipeline),GST_STATE_RUNNING);
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}
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else if (strncmp(gst_pad_get_name(pad), "video_", 6) == 0) {
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parsefactory = gst_elementfactory_find("mp1videoparse");
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g_return_if_fail(parsefactory != NULL);
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decodefactory = gst_elementfactory_find("mpeg_play");
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g_return_if_fail(parsefactory != NULL);
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parse_video = gst_elementfactory_create(parsefactory,"parse_video");
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g_return_if_fail(parse_video != NULL);
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decode = gst_elementfactory_create(decodefactory,"decode_video");
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g_return_if_fail(decode_video != NULL);
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video_pipeline = gst_pipeline_new("video_pipeline");
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g_return_if_fail(video_pipeline != NULL);
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gst_element_set_state(GST_ELEMENT(audio_thread),GST_STATE_RUNNING);
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g_print("setting to PLAYING state\n");
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gst_element_set_state(GST_ELEMENT(audio_thread),GST_STATE_PLAYING);
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} else if (strncmp(gst_pad_get_name(pad), "video_", 6) == 0) {
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infopad = gst_pad_new("sink",GST_PAD_SINK);
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gst_pad_set_chain_function(infopad,mp1parse_info_chain);
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gst_bin_add(GST_BIN(video_pipeline),GST_ELEMENT(parse_video));
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gst_bin_add(GST_BIN(video_pipeline),GST_ELEMENT(decode));
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// construct internal pipeline elements
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parse_video = gst_elementfactory_make("mp1videoparse","parse_video");
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g_return_if_fail(parse_video != NULL);
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decode = gst_elementfactory_make("mpeg_play","decode_video");
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g_return_if_fail(decode_video != NULL);
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gst_pad_connect(gst_element_get_pad(parse,gst_pad_get_name(pad)),
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// create the thread and pack stuff into it
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video_thread = gst_thread_new("video_thread");
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g_return_if_fail(video_thread != NULL);
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gst_bin_add(GST_BIN(video_thread),GST_ELEMENT(parse_video));
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gst_bin_add(GST_BIN(video_thread),GST_ELEMENT(decode));
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// set up pad connections
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gst_element_add_ghost_pad(GST_ELEMENT(video_thread),
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gst_element_get_pad(parse_video,"sink"));
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gst_pad_connect(gst_element_get_pad(parse_video,"src"),
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gst_element_get_pad(decode,"sink"));
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gst_pad_connect(gst_element_get_pad(decode,"src"),
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infopad);
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// construct queue and connect everything in the main pipeline
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video_queue = gst_elementfactory_make("queue","video_queue");
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gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(video_queue));
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gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(video_thread));
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gst_pad_connect(pad,
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gst_element_get_pad(video_queue,"sink"));
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gst_pad_connect(gst_element_get_pad(video_queue,"src"),
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gst_element_get_pad(video_thread,"sink"));
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// set up thread state and kick things off
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gtk_object_set(GTK_OBJECT(video_thread),"create_thread",TRUE,NULL);
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g_print("setting to RUNNING state\n");
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gst_element_set_state(GST_ELEMENT(video_pipeline),GST_STATE_RUNNING);
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gst_element_set_state(GST_ELEMENT(video_thread),GST_STATE_RUNNING);
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g_print("setting to PLAYING state\n");
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gst_element_set_state(GST_ELEMENT(video_thread),GST_STATE_PLAYING);
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}
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g_print("\n");
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}
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int main(int argc,char *argv[]) {
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GstElementFactory *srcfactory, *parsefactory;
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GstPipeline *pipeline;
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GstElement *src, *parse;
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g_print("have %d args\n",argc);
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_gst_plugin_spew = TRUE;
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gst_init(&argc,&argv);
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// gst_plugin_load("mp3parse");
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gst_plugin_load_all();
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pipeline = gst_pipeline_new("pipeline");
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g_return_if_fail(pipeline != NULL);
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srcfactory = gst_elementfactory_find("disksrc");
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g_return_if_fail(srcfactory != NULL);
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parsefactory = gst_elementfactory_find("mpeg1parse");
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g_return_if_fail(parsefactory != NULL);
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src = gst_elementfactory_create(srcfactory,"src");
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src = gst_elementfactory_make("disksrc","src");
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g_return_if_fail(src != NULL);
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gtk_object_set(GTK_OBJECT(src),"location",argv[1],NULL);
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g_print("should be using file '%s'\n",argv[1]);
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parse = gst_elementfactory_create(parsefactory,"parse");
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parse = gst_elementfactory_make("mpeg1parse","parse");
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g_return_if_fail(parse != NULL);
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gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(src));
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gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(parse));
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gtk_signal_connect(GTK_OBJECT(parse),"new_pad",
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GTK_SIGNAL_FUNC(new_pad_created),NULL);
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GTK_SIGNAL_FUNC(new_pad_created),pipeline);
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gtk_signal_connect(GTK_OBJECT(src),"eos",
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GTK_SIGNAL_FUNC(eof),NULL);
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@ -132,6 +139,8 @@ int main(int argc,char *argv[]) {
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g_print("setting to RUNNING state\n");
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gst_element_set_state(GST_ELEMENT(pipeline),GST_STATE_RUNNING);
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xmlSaveFile("mp1parse.xml",gst_xml_write(GST_ELEMENT(pipeline)));
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g_print("about to enter loop\n");
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while (1)
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gst_src_push(GST_SRC(src));
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