mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-25 17:50:36 +00:00
Fixed a few plugins so that mpeg1 encoding sorta works.
Original commit message from CVS: Fixed a few plugins so that mpeg1 encoding sorta works. Added an mpeg1 encoder example, it uses the autoplugger to convert the stream to audio/video, which is then fed to the encoders.
This commit is contained in:
parent
31427072e3
commit
57a5017c8b
7 changed files with 262 additions and 27 deletions
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@ -112,6 +112,11 @@ int main(int argc,char *argv[])
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exit (-1);
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}
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gst_bin_remove (GST_BIN (bin), disksrc);
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// FIXME hack, reparent the disksrc so the scheduler doesn't break
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bin = gst_pipeline_new("pipeline");
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gst_bin_add (GST_BIN (bin), disksrc);
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gst_bin_add (GST_BIN (bin), new_element);
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gst_element_connect (disksrc, "src", new_element, "sink");
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@ -267,7 +267,10 @@ gst_static_autoplug_to_render (GstAutoplug *autoplug, GstCaps *srccaps, GstEleme
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pad = GST_PAD_REALIZE (gst_element_get_pad_list (targetelement)->data);
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templ = GST_PAD_PADTEMPLATE (pad);
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caps.sink = GST_PADTEMPLATE_CAPS (templ);
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if (templ)
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caps.sink = GST_PADTEMPLATE_CAPS (templ);
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else
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goto next;
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GST_INFO (GST_CAT_AUTOPLUG_ATTEMPT,"autoplugging two caps structures");
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@ -283,7 +286,7 @@ gst_static_autoplug_to_render (GstAutoplug *autoplug, GstCaps *srccaps, GstEleme
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}
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else {
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}
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next:
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targetelement = va_arg (args, GstElement *);
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}
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@ -63,7 +63,7 @@ void gst_putbits(gst_putbits_t *pb, int val, int n)
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int i;
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unsigned int mask;
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//printf("putbits: %d %d %ld %ld\n", val, n, pb->outcnt, pb->newlen);
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//printf("putbits: %p %08x %d %d %d\n", pb, val, n, pb->outcnt, pb->newlen);
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mask = 1 << (n-1); /* selects first (leftmost) bit */
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for (i=0; i<n; i++)
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@ -4,7 +4,7 @@ noinst_PROGRAMS = qtest spectrum record wave mp3 teardown buffer mp3parse \
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mpeg2parse mp1parse mp3play ac3parse ac3play dvdcat fake cobin videotest \
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aviparse vidcapture avi2mpg mp2tomp1 mp1tomp1 pipetest \
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vidcapture2 mp2toavi mp3tovorbis mpeg2parse2 xmmstest videotest2 \
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mp3mad
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mp3mad video2mp1
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SUBDIRS = xml bindings
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@ -37,7 +37,7 @@ create_muxer (GstElement *pipeline, gchar *type, gchar *number)
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static void
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mp2tomp1 (GstElement *parser, GstPad *pad, GstElement *pipeline)
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{
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GstElement *parse_audio, *parse_video, *decode, *decode_video, *play, *encode, *audio_resample;
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GstElement *decode, *decode_video, *play, *encode, *audio_resample;
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GstElement *smooth, *median;
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GstElement *audio_queue, *video_queue;
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GstElement *audio_thread, *video_thread;
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@ -51,9 +51,6 @@ mp2tomp1 (GstElement *parser, GstPad *pad, GstElement *pipeline)
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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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// 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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gtk_object_set(GTK_OBJECT(parse_audio),"skip", 15, 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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audio_resample = gst_elementfactory_make("audioscale","audioscale");
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@ -68,7 +65,6 @@ mp2tomp1 (GstElement *parser, GstPad *pad, GstElement *pipeline)
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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(audio_resample));
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gst_bin_add(GST_BIN(audio_thread),GST_ELEMENT(audio_encode));
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@ -77,9 +73,7 @@ mp2tomp1 (GstElement *parser, GstPad *pad, GstElement *pipeline)
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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"),"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_element_get_pad(decode,"sink"),"sink");
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gst_pad_connect(gst_element_get_pad(decode,"src"),
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gst_element_get_pad(audio_resample,"sink"));
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gst_pad_connect(gst_element_get_pad(audio_resample,"src"),
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@ -106,9 +100,7 @@ mp2tomp1 (GstElement *parser, GstPad *pad, GstElement *pipeline)
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// gst_element_get_pad(merge_subtitles,"subtitle"));
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} else if (strncmp(gst_pad_get_name(pad), "audio_", 6) == 0) {
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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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decode = gst_elementfactory_make("mad","decode_audio");
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g_return_if_fail(decode != NULL);
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play = gst_elementfactory_make("osssink","play_audio");
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g_return_if_fail(play != NULL);
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@ -116,16 +108,13 @@ mp2tomp1 (GstElement *parser, GstPad *pad, GstElement *pipeline)
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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"),"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_element_get_pad(decode,"sink"),"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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@ -148,9 +137,7 @@ mp2tomp1 (GstElement *parser, GstPad *pad, GstElement *pipeline)
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//gst_plugin_load("mpeg1encoder");
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// construct internal pipeline elements
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parse_video = gst_elementfactory_make("mp2videoparse","parse_video");
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g_return_if_fail(parse_video != NULL);
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decode_video = gst_elementfactory_make("mpeg2play","decode_video");
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decode_video = gst_elementfactory_make("mpeg2dec","decode_video");
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g_return_if_fail(decode_video != NULL);
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//merge_subtitles = gst_elementfactory_make("mpeg2subt","merge_subtitles");
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//g_return_if_fail(merge_subtitles != NULL);
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@ -174,13 +161,14 @@ mp2tomp1 (GstElement *parser, GstPad *pad, GstElement *pipeline)
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//gtk_object_set(GTK_OBJECT(show),"width",640, "height", 480,NULL);
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muxerpad = create_muxer (pipeline, "video", "00");
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g_return_if_fail(muxerpad != 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(merge_subtitles));
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//gst_bin_add(GST_BIN(video_thread),GST_ELEMENT(merge_subtitles));
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gst_bin_add(GST_BIN(video_thread),GST_ELEMENT(median));
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gst_bin_add(GST_BIN(video_thread),GST_ELEMENT(smooth));
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gst_bin_add(GST_BIN(video_thread),GST_ELEMENT(videoscale));
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@ -189,9 +177,7 @@ mp2tomp1 (GstElement *parser, GstPad *pad, GstElement *pipeline)
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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"),"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_element_get_pad(decode_video,"sink"),"sink");
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gst_pad_connect(gst_element_get_pad(decode_video,"src"),
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gst_element_get_pad(median,"sink"));
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gst_pad_connect(gst_element_get_pad(median,"src"),
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236
test/video2mp1.c
Normal file
236
test/video2mp1.c
Normal file
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@ -0,0 +1,236 @@
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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 <string.h>
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#include <glib.h>
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#include <gst/gst.h>
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#include <gnome.h>
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static void
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gst_play_have_type (GstElement *sink, GstElement *sink2, gpointer data)
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{
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GST_DEBUG (0,"GstPipeline: play have type %p\n", (gboolean *)data);
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*(gboolean *)data = TRUE;
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}
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gboolean
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idle_func (gpointer data)
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{
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return gst_bin_iterate (GST_BIN (data));
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}
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static GstCaps*
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gst_play_typefind (GstBin *bin, GstElement *element)
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{
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gboolean found = FALSE;
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GstElement *typefind;
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GstCaps *caps = NULL;
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GST_DEBUG (0,"GstPipeline: typefind for element \"%s\" %p\n",
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GST_ELEMENT_NAME(element), &found);
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typefind = gst_elementfactory_make ("typefind", "typefind");
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g_return_val_if_fail (typefind != NULL, FALSE);
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gtk_signal_connect (GTK_OBJECT (typefind), "have_type",
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GTK_SIGNAL_FUNC (gst_play_have_type), &found);
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gst_pad_connect (gst_element_get_pad (element, "src"),
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gst_element_get_pad (typefind, "sink"));
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gst_bin_add (bin, typefind);
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gst_element_set_state (GST_ELEMENT (bin), GST_STATE_PLAYING);
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// push a buffer... the have_type signal handler will set the found flag
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gst_bin_iterate (bin);
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gst_element_set_state (GST_ELEMENT (bin), GST_STATE_NULL);
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caps = gst_pad_get_caps (gst_element_get_pad (element, "src"));
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gst_pad_disconnect (gst_element_get_pad (element, "src"),
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gst_element_get_pad (typefind, "sink"));
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gst_bin_remove (bin, typefind);
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gst_object_unref (GST_OBJECT (typefind));
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return caps;
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}
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static GstElement*
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get_video_encoder_bin (void)
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{
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GstElement *bin;
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GstElement *encoder, *queue, *colorspace, *videoscale;
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bin = gst_bin_new ("video_encoder_bin");
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colorspace = gst_elementfactory_make ("colorspace", "colorspace");
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g_assert (colorspace != NULL);
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videoscale = gst_elementfactory_make ("videoscale", "videoscale");
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g_assert (videoscale != NULL);
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gtk_object_set (GTK_OBJECT (videoscale), "width", 352, "height", 288, NULL);
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encoder = gst_elementfactory_make ("mpeg2enc", "video_encoder");
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g_assert (encoder != NULL);
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queue = gst_elementfactory_make ("queue", "video_encoder_queue");
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g_assert (queue != NULL);
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gst_bin_add (GST_BIN (bin), colorspace);
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gst_bin_add (GST_BIN (bin), videoscale);
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gst_bin_add (GST_BIN (bin), encoder);
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gst_bin_add (GST_BIN (bin), queue);
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gst_element_connect (colorspace, "src", videoscale, "sink");
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gst_element_connect (videoscale, "src", encoder, "sink");
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gst_element_connect (encoder, "src", queue, "sink");
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gst_element_add_ghost_pad (bin, gst_element_get_pad (colorspace, "sink"), "sink");
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gst_element_add_ghost_pad (bin, gst_element_get_pad (queue, "src"), "src");
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return bin;
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}
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static GstElement*
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get_audio_encoder_bin (void)
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{
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GstElement *bin;
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GstElement *encoder, *queue;
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bin = gst_bin_new ("audio_encoder_bin");
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encoder = gst_elementfactory_make ("mpegaudio", "audio_encoder");
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g_assert (encoder != NULL);
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queue = gst_elementfactory_make ("queue", "audio_encoder_queue");
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g_assert (queue != NULL);
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gst_bin_add (GST_BIN (bin), encoder);
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gst_bin_add (GST_BIN (bin), queue);
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gst_element_connect (encoder, "src", queue, "sink");
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gst_element_add_ghost_pad (bin, gst_element_get_pad (encoder, "sink"), "sink");
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gst_element_add_ghost_pad (bin, gst_element_get_pad (queue, "src"), "src");
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return bin;
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}
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int main(int argc,char *argv[])
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{
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GstElement *disksrc, *audio_enc, *video_enc;
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GstElement *muxthread_video, *muxer, *fdsink_video;
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GstElement *muxthread_audio, *fdsink_audio;
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GstElement *bin;
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GtkWidget *appwindow;
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GstCaps *srccaps;
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GstElement *new_element;
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GstAutoplug *autoplug;
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GtkWidget *socket;
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gint fd_video;
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gint fd_audio;
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g_thread_init(NULL);
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gst_init(&argc,&argv);
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gnome_init("autoplug","0.0.1", argc,argv);
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if (argc != 4) {
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g_print("usage: %s <in_filename> <out_video> <out_audio>\n", argv[0]);
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exit(-1);
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}
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/* create a new bin to hold the elements */
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bin = gst_pipeline_new("pipeline");
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g_assert(bin != NULL);
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/* create a disk reader */
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disksrc = gst_elementfactory_make("disksrc", "disk_source");
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g_assert(disksrc != NULL);
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gtk_object_set(GTK_OBJECT(disksrc),"location", argv[1],NULL);
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gst_bin_add (GST_BIN (bin), disksrc);
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srccaps = gst_play_typefind (GST_BIN (bin), disksrc);
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if (!srccaps) {
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g_print ("could not autoplug, unknown media type...\n");
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exit (-1);
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}
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audio_enc = get_audio_encoder_bin();
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video_enc = get_video_encoder_bin();
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autoplug = gst_autoplugfactory_make ("staticrender");
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g_assert (autoplug != NULL);
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new_element = gst_autoplug_to_renderers (autoplug,
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srccaps,
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video_enc,
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audio_enc,
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NULL);
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if (!new_element) {
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g_print ("could not autoplug, no suitable codecs found...\n");
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exit (-1);
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}
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gst_bin_remove (GST_BIN (bin), disksrc);
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gst_object_destroy (GST_OBJECT (bin));
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// FIXME hack, reparent the disksrc so the scheduler doesn't break
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bin = gst_pipeline_new("pipeline");
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gst_bin_add (GST_BIN (bin), disksrc);
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gst_bin_add (GST_BIN (bin), new_element);
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gst_element_connect (disksrc, "src", new_element, "sink");
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muxer = gst_elementfactory_make ("system_encode", "muxer");
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g_assert (muxer != NULL);
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if (gst_bin_get_by_name (GST_BIN (new_element), "video_encoder_bin")) {
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muxthread_video = gst_thread_new("thread_video");
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fdsink_video = gst_elementfactory_make ("fdsink", "fdsink_video");
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g_assert (fdsink_video != NULL);
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fd_video = open (argv[2], O_CREAT|O_RDWR|O_TRUNC);
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gtk_object_set (GTK_OBJECT (fdsink_video), "fd", fd_video, NULL);
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gst_element_connect (video_enc, "src", fdsink_video, "sink");
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gst_bin_add (GST_BIN (muxthread_video), fdsink_video);
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gst_bin_add (GST_BIN (bin), muxthread_video);
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}
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if (gst_bin_get_by_name (GST_BIN (new_element), "audio_encoder_bin")) {
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muxthread_audio = gst_thread_new("thread_audio");
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fdsink_audio = gst_elementfactory_make ("fdsink", "fdsink_audio");
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g_assert (fdsink_audio != NULL);
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fd_audio = open (argv[3], O_CREAT|O_RDWR|O_TRUNC);
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gtk_object_set (GTK_OBJECT (fdsink_audio), "fd", fd_audio, NULL);
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gst_element_connect (audio_enc, "src", fdsink_audio, "sink");
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gst_bin_add (GST_BIN (muxthread_audio), fdsink_audio);
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gst_bin_add (GST_BIN (bin), muxthread_audio);
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}
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|
||||
//gtk_object_set (GTK_OBJECT (muxer), "video", "00", NULL);
|
||||
//gtk_object_set (GTK_OBJECT (muxer), "audio", "00", NULL);
|
||||
|
||||
/* start playing */
|
||||
gst_element_set_state(GST_ELEMENT(bin), GST_STATE_PLAYING);
|
||||
|
||||
gtk_idle_add(idle_func, bin);
|
||||
|
||||
gst_main();
|
||||
|
||||
/* stop the bin */
|
||||
gst_element_set_state(GST_ELEMENT(bin), GST_STATE_NULL);
|
||||
|
||||
gst_pipeline_destroy(bin);
|
||||
|
||||
exit(0);
|
||||
}
|
||||
|
|
@ -112,6 +112,11 @@ int main(int argc,char *argv[])
|
|||
exit (-1);
|
||||
}
|
||||
|
||||
gst_bin_remove (GST_BIN (bin), disksrc);
|
||||
// FIXME hack, reparent the disksrc so the scheduler doesn't break
|
||||
bin = gst_pipeline_new("pipeline");
|
||||
|
||||
gst_bin_add (GST_BIN (bin), disksrc);
|
||||
gst_bin_add (GST_BIN (bin), new_element);
|
||||
|
||||
gst_element_connect (disksrc, "src", new_element, "sink");
|
||||
|
|
Loading…
Reference in a new issue