mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-22 01:31:03 +00:00
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
Normal file
218
test/mp1tomp1.c
Normal file
|
|
@ -0,0 +1,218 @@
|
|||
|
||||
#include <sys/types.h>
|
||||
#include <sys/stat.h>
|
||||
#include <fcntl.h>
|
||||
#include <glib.h>
|
||||
#include <gst/gst.h>
|
||||
|
||||
int fd;
|
||||
char *outfile;
|
||||
|
||||
void eof(GstSrc *src) {
|
||||
g_print("have eos, quitting\n");
|
||||
exit(0);
|
||||
}
|
||||
|
||||
void mp2tomp1(GstElement *parser,GstPad *pad, GstElement *pipeline) {
|
||||
GstElement *parse_audio, *parse_video, *decode, *decode_video, *play, *encode;
|
||||
GstElement *audio_queue, *video_queue;
|
||||
GstElement *audio_thread, *video_thread;
|
||||
GstElement *videoscale;
|
||||
GstElement *fdsink;
|
||||
GstElementFactory *fdsinkfactory;
|
||||
|
||||
g_print("***** a new pad %s was created\n", gst_pad_get_name(pad));
|
||||
|
||||
// connect to audio pad
|
||||
if (0) {
|
||||
//if (strncmp(gst_pad_get_name(pad), "private_stream_1.0", 18) == 0) {
|
||||
gst_plugin_load("ac3parse");
|
||||
gst_plugin_load("ac3dec");
|
||||
// construct internal pipeline elements
|
||||
parse_audio = gst_elementfactory_make("ac3parse","parse_audio");
|
||||
g_return_if_fail(parse_audio != NULL);
|
||||
decode = gst_elementfactory_make("ac3dec","decode_audio");
|
||||
g_return_if_fail(decode != NULL);
|
||||
play = gst_elementfactory_make("audiosink","play_audio");
|
||||
g_return_if_fail(play != NULL);
|
||||
|
||||
// create the thread and pack stuff into it
|
||||
audio_thread = gst_thread_new("audio_thread");
|
||||
g_return_if_fail(audio_thread != NULL);
|
||||
gst_bin_add(GST_BIN(audio_thread),GST_ELEMENT(parse_audio));
|
||||
gst_bin_add(GST_BIN(audio_thread),GST_ELEMENT(decode));
|
||||
gst_bin_add(GST_BIN(audio_thread),GST_ELEMENT(play));
|
||||
|
||||
// set up pad connections
|
||||
gst_element_add_ghost_pad(GST_ELEMENT(audio_thread),
|
||||
gst_element_get_pad(parse_audio,"sink"));
|
||||
gst_pad_connect(gst_element_get_pad(parse_audio,"src"),
|
||||
gst_element_get_pad(decode,"sink"));
|
||||
gst_pad_connect(gst_element_get_pad(decode,"src"),
|
||||
gst_element_get_pad(play,"sink"));
|
||||
|
||||
// construct queue and connect everything in the main pipelie
|
||||
audio_queue = gst_elementfactory_make("queue","audio_queue");
|
||||
gtk_object_set(GTK_OBJECT(audio_queue),"max_level",30,NULL);
|
||||
gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(audio_queue));
|
||||
gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(audio_thread));
|
||||
gst_pad_connect(pad,
|
||||
gst_element_get_pad(audio_queue,"sink"));
|
||||
gst_pad_connect(gst_element_get_pad(audio_queue,"src"),
|
||||
gst_element_get_pad(audio_thread,"sink"));
|
||||
|
||||
// set up thread state and kick things off
|
||||
gtk_object_set(GTK_OBJECT(audio_thread),"create_thread",TRUE,NULL);
|
||||
g_print("setting to RUNNING state\n");
|
||||
gst_element_set_state(GST_ELEMENT(audio_thread),GST_STATE_RUNNING);
|
||||
g_print("setting to PLAYING state\n");
|
||||
gst_element_set_state(GST_ELEMENT(audio_thread),GST_STATE_PLAYING);
|
||||
} else if (strncmp(gst_pad_get_name(pad), "audio_", 6) == 0) {
|
||||
gst_plugin_load("mp3parse");
|
||||
gst_plugin_load("mpg123");
|
||||
// construct internal pipeline elements
|
||||
parse_audio = gst_elementfactory_make("mp3parse","parse_audio");
|
||||
g_return_if_fail(parse_audio != NULL);
|
||||
decode = gst_elementfactory_make("mpg123","decode_audio");
|
||||
g_return_if_fail(decode != NULL);
|
||||
play = gst_elementfactory_make("audiosink","play_audio");
|
||||
g_return_if_fail(play != NULL);
|
||||
|
||||
// create the thread and pack stuff into it
|
||||
audio_thread = gst_thread_new("audio_thread");
|
||||
g_return_if_fail(audio_thread != NULL);
|
||||
gst_bin_add(GST_BIN(audio_thread),GST_ELEMENT(parse_audio));
|
||||
gst_bin_add(GST_BIN(audio_thread),GST_ELEMENT(decode));
|
||||
gst_bin_add(GST_BIN(audio_thread),GST_ELEMENT(play));
|
||||
|
||||
// set up pad connections
|
||||
gst_element_add_ghost_pad(GST_ELEMENT(audio_thread),
|
||||
gst_element_get_pad(parse_audio,"sink"));
|
||||
gst_pad_connect(gst_element_get_pad(parse_audio,"src"),
|
||||
gst_element_get_pad(decode,"sink"));
|
||||
gst_pad_connect(gst_element_get_pad(decode,"src"),
|
||||
gst_element_get_pad(play,"sink"));
|
||||
|
||||
// construct queue and connect everything in the main pipelie
|
||||
audio_queue = gst_elementfactory_make("queue","audio_queue");
|
||||
gtk_object_set(GTK_OBJECT(audio_queue),"max_level",30,NULL);
|
||||
gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(audio_queue));
|
||||
gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(audio_thread));
|
||||
gst_pad_connect(pad,
|
||||
gst_element_get_pad(audio_queue,"sink"));
|
||||
gst_pad_connect(gst_element_get_pad(audio_queue,"src"),
|
||||
gst_element_get_pad(audio_thread,"sink"));
|
||||
|
||||
// set up thread state and kick things off
|
||||
gtk_object_set(GTK_OBJECT(audio_thread),"create_thread",TRUE,NULL);
|
||||
g_print("setting to RUNNING state\n");
|
||||
gst_element_set_state(GST_ELEMENT(audio_thread),GST_STATE_RUNNING);
|
||||
g_print("setting to PLAYING state\n");
|
||||
gst_element_set_state(GST_ELEMENT(audio_thread),GST_STATE_PLAYING);
|
||||
} else if (strncmp(gst_pad_get_name(pad), "video_", 6) == 0) {
|
||||
//} else if (0) {
|
||||
|
||||
gst_plugin_load("mp1videoparse");
|
||||
gst_plugin_load("mpeg_play");
|
||||
gst_plugin_load("mpeg2enc");
|
||||
// construct internal pipeline elements
|
||||
parse_video = gst_elementfactory_make("mp1videoparse","parse_video");
|
||||
g_return_if_fail(parse_video != NULL);
|
||||
decode_video = gst_elementfactory_make("mpeg_play","decode_video");
|
||||
g_return_if_fail(decode_video != NULL);
|
||||
encode = gst_elementfactory_make("mpeg2enc","encode");
|
||||
g_return_if_fail(encode != NULL);
|
||||
//gtk_object_set(GTK_OBJECT(show),"width",640, "height", 480,NULL);
|
||||
fd = open(outfile,O_CREAT|O_RDWR|O_TRUNC);
|
||||
|
||||
fdsinkfactory = gst_elementfactory_find("fdsink");
|
||||
g_return_if_fail(fdsinkfactory != NULL);
|
||||
fdsink = gst_elementfactory_create(fdsinkfactory,"fdsink");
|
||||
g_return_if_fail(fdsink != NULL);
|
||||
gtk_object_set(GTK_OBJECT(fdsink),"fd",fd,NULL);
|
||||
|
||||
// create the thread and pack stuff into it
|
||||
video_thread = gst_thread_new("video_thread");
|
||||
g_return_if_fail(video_thread != NULL);
|
||||
gst_bin_add(GST_BIN(video_thread),GST_ELEMENT(parse_video));
|
||||
gst_bin_add(GST_BIN(video_thread),GST_ELEMENT(decode_video));
|
||||
gst_bin_add(GST_BIN(video_thread),GST_ELEMENT(encode));
|
||||
gst_bin_add(GST_BIN(video_thread),GST_ELEMENT(fdsink));
|
||||
|
||||
// set up pad connections
|
||||
gst_element_add_ghost_pad(GST_ELEMENT(video_thread),
|
||||
gst_element_get_pad(parse_video,"sink"));
|
||||
gst_pad_connect(gst_element_get_pad(parse_video,"src"),
|
||||
gst_element_get_pad(decode_video,"sink"));
|
||||
gst_pad_connect(gst_element_get_pad(decode_video,"src"),
|
||||
gst_element_get_pad(encode,"sink"));
|
||||
gst_pad_connect(gst_element_get_pad(encode,"src"),
|
||||
gst_element_get_pad(fdsink,"sink"));
|
||||
|
||||
// construct queue and connect everything in the main pipeline
|
||||
video_queue = gst_elementfactory_make("queue","video_queue");
|
||||
gtk_object_set(GTK_OBJECT(video_queue),"max_level",30,NULL);
|
||||
gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(video_queue));
|
||||
gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(video_thread));
|
||||
gst_pad_connect(pad,
|
||||
gst_element_get_pad(video_queue,"sink"));
|
||||
gst_pad_connect(gst_element_get_pad(video_queue,"src"),
|
||||
gst_element_get_pad(video_thread,"sink"));
|
||||
|
||||
// set up thread state and kick things off
|
||||
gtk_object_set(GTK_OBJECT(video_thread),"create_thread",TRUE,NULL);
|
||||
g_print("setting to RUNNING state\n");
|
||||
gst_element_set_state(GST_ELEMENT(video_thread),GST_STATE_RUNNING);
|
||||
g_print("setting to PLAYING state\n");
|
||||
gst_element_set_state(GST_ELEMENT(video_thread),GST_STATE_PLAYING);
|
||||
}
|
||||
g_print("\n");
|
||||
}
|
||||
|
||||
int main(int argc,char *argv[]) {
|
||||
GstPipeline *pipeline;
|
||||
GstElement *src, *parse, *out;
|
||||
GstPad *infopad;
|
||||
int i,c;
|
||||
|
||||
g_print("have %d args\n",argc);
|
||||
|
||||
gst_init(&argc,&argv);
|
||||
gst_plugin_load("mpeg1parse");
|
||||
|
||||
pipeline = gst_pipeline_new("pipeline");
|
||||
g_return_if_fail(pipeline != NULL);
|
||||
|
||||
if (strstr(argv[1],"video_ts")) {
|
||||
src = gst_elementfactory_make("dvdsrc","src");
|
||||
g_print("using DVD source\n");
|
||||
} else
|
||||
src = gst_elementfactory_make("disksrc","src");
|
||||
|
||||
g_return_if_fail(src != NULL);
|
||||
gtk_object_set(GTK_OBJECT(src),"location",argv[1],NULL);
|
||||
g_print("should be using file '%s'\n",argv[1]);
|
||||
|
||||
g_print("should be using output file '%s'\n",argv[2]);
|
||||
outfile = argv[2];
|
||||
|
||||
parse = gst_elementfactory_make("mpeg1parse","parse");
|
||||
g_return_if_fail(parse != NULL);
|
||||
|
||||
gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(src));
|
||||
gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(parse));
|
||||
|
||||
gtk_signal_connect(GTK_OBJECT(parse),"new_pad",mp2tomp1, pipeline);
|
||||
|
||||
gtk_signal_connect(GTK_OBJECT(src),"eos",GTK_SIGNAL_FUNC(eof),NULL);
|
||||
|
||||
gst_pad_connect(gst_element_get_pad(src,"src"),
|
||||
gst_element_get_pad(parse,"sink"));
|
||||
|
||||
g_print("setting to RUNNING state\n");
|
||||
gst_element_set_state(GST_ELEMENT(pipeline),GST_STATE_RUNNING);
|
||||
|
||||
while (1) {
|
||||
gst_src_push(GST_SRC(src));
|
||||
}
|
||||
}
|
||||
Loading…
Reference in a new issue