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An MPEG1 transcoder.
Original commit message from CVS: An MPEG1 transcoder.
This commit is contained in:
Wim Taymans
parent
8f2b441e96
commit
ae5208f21f
1 changed files with 218 additions and 0 deletions
218
test/mp1tomp1.c
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218
test/mp1tomp1.c
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <glib.h>
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#include <gst/gst.h>
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int fd;
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char *outfile;
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void eof(GstSrc *src) {
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g_print("have eos, quitting\n");
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exit(0);
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}
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void mp2tomp1(GstElement *parser,GstPad *pad, GstElement *pipeline) {
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GstElement *parse_audio, *parse_video, *decode, *decode_video, *play, *encode;
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GstElement *audio_queue, *video_queue;
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GstElement *audio_thread, *video_thread;
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GstElement *videoscale;
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GstElement *fdsink;
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GstElementFactory *fdsinkfactory;
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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 (0) {
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//if (strncmp(gst_pad_get_name(pad), "private_stream_1.0", 18) == 0) {
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gst_plugin_load("ac3parse");
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gst_plugin_load("ac3dec");
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// construct internal pipeline elements
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parse_audio = gst_elementfactory_make("ac3parse","parse_audio");
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g_return_if_fail(parse_audio != NULL);
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decode = gst_elementfactory_make("ac3dec","decode_audio");
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g_return_if_fail(decode != NULL);
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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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// 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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// 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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gtk_object_set(GTK_OBJECT(audio_queue),"max_level",30,NULL);
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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_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), "audio_", 6) == 0) {
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gst_plugin_load("mp3parse");
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gst_plugin_load("mpg123");
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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_make("mpg123","decode_audio");
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g_return_if_fail(decode != NULL);
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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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// 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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// 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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gtk_object_set(GTK_OBJECT(audio_queue),"max_level",30,NULL);
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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_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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//} else if (0) {
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gst_plugin_load("mp1videoparse");
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gst_plugin_load("mpeg_play");
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gst_plugin_load("mpeg2enc");
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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_video = gst_elementfactory_make("mpeg_play","decode_video");
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g_return_if_fail(decode_video != NULL);
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encode = gst_elementfactory_make("mpeg2enc","encode");
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g_return_if_fail(encode != NULL);
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//gtk_object_set(GTK_OBJECT(show),"width",640, "height", 480,NULL);
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fd = open(outfile,O_CREAT|O_RDWR|O_TRUNC);
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fdsinkfactory = gst_elementfactory_find("fdsink");
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g_return_if_fail(fdsinkfactory != NULL);
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fdsink = gst_elementfactory_create(fdsinkfactory,"fdsink");
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g_return_if_fail(fdsink != NULL);
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gtk_object_set(GTK_OBJECT(fdsink),"fd",fd,NULL);
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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_video));
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gst_bin_add(GST_BIN(video_thread),GST_ELEMENT(encode));
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gst_bin_add(GST_BIN(video_thread),GST_ELEMENT(fdsink));
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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_video,"sink"));
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gst_pad_connect(gst_element_get_pad(decode_video,"src"),
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gst_element_get_pad(encode,"sink"));
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gst_pad_connect(gst_element_get_pad(encode,"src"),
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gst_element_get_pad(fdsink,"sink"));
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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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gtk_object_set(GTK_OBJECT(video_queue),"max_level",30,NULL);
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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_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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GstPipeline *pipeline;
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GstElement *src, *parse, *out;
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GstPad *infopad;
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int i,c;
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g_print("have %d args\n",argc);
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gst_init(&argc,&argv);
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gst_plugin_load("mpeg1parse");
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pipeline = gst_pipeline_new("pipeline");
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g_return_if_fail(pipeline != NULL);
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if (strstr(argv[1],"video_ts")) {
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src = gst_elementfactory_make("dvdsrc","src");
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g_print("using DVD source\n");
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} else
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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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g_print("should be using output file '%s'\n",argv[2]);
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outfile = argv[2];
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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",mp2tomp1, pipeline);
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gtk_signal_connect(GTK_OBJECT(src),"eos",GTK_SIGNAL_FUNC(eof),NULL);
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gst_pad_connect(gst_element_get_pad(src,"src"),
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gst_element_get_pad(parse,"sink"));
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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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while (1) {
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gst_src_push(GST_SRC(src));
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}
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}
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