mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-21 07:46:38 +00:00
38253a1bc8
Original commit message from CVS: * configure.ac: Put DEFAULT_AUDIOSINK in config.h and use whereever possible. (Fixes #165997) * examples/capsfilter/capsfilter1.c: (main): * examples/dynparams/filter.c: (create_ui): * examples/seeking/cdparanoia.c: (get_track_info), (main): * examples/seeking/chained.c: (main): * examples/seeking/seek.c: (make_mod_pipeline), (make_dv_pipeline), (make_wav_pipeline), (make_flac_pipeline), (make_sid_pipeline), (make_vorbis_pipeline), (make_mp3_pipeline), (make_avi_pipeline), (make_mpeg_pipeline), (make_mpegnt_pipeline): * examples/seeking/spider_seek.c: (make_spider_pipeline): * examples/switch/switcher.c: (main): * ext/dv/demo-play.c: (main): * ext/faad/gstfaad.c: (gst_faad_change_state): * ext/mad/gstmad.c: (gst_mad_chain): * ext/smoothwave/demo-osssrc.c: (main): * gst-libs/gst/gconf/gconf.c: (gst_gconf_set_string), (gst_gconf_render_bin_from_description), (gst_gconf_get_default_audio_sink), (gst_gconf_get_default_video_sink), (gst_gconf_get_default_audio_src), (gst_gconf_get_default_video_src), (gst_gconf_get_default_visualization_element): * gst/level/demo.c: (main): * gst/level/plot.c: (main): * gst/playback/gstplaybin.c: (gen_video_element), (gen_audio_element): * gst/playback/test.c: (gen_video_element), (gen_audio_element): * gst/playondemand/demo-mp3.c: (setup_pipeline): * gst/sine/demo-dparams.c: (main): * gst/spectrum/demo-osssrc.c: (main): * gst/speed/demo-mp3.c: (main): * gst/volume/demo.c: (main): * testsuite/embed/embed.c: (main):
123 lines
3.4 KiB
C
123 lines
3.4 KiB
C
/* GStreamer
|
|
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
|
|
*
|
|
* plot.c: output data points to be graphed with gnuplot
|
|
* Copyright (C) 2003
|
|
* Thomas Vander Stichele <thomas at apestaart dot org>
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Library General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Library General Public
|
|
* License along with this library; if not, write to the
|
|
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
* Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#include <gst/gst.h>
|
|
#include <gtk/gtk.h>
|
|
|
|
gboolean got_channel[2] = { FALSE, FALSE }; /* to see if we got the signal for this one yet */
|
|
gint channels = 0; /* guess at how many channels there are */
|
|
gdouble last_time = 0.0; /* time of last signal */
|
|
gdouble values[2][3]; /* array of levels from which to print */
|
|
|
|
static void
|
|
level_callback (GstElement * element, gdouble time, gint channel,
|
|
gdouble rms, gdouble peak, gdouble decay)
|
|
{
|
|
int i = 0, j = 0;
|
|
gboolean got_all = FALSE;
|
|
|
|
if (channel + 1 > channels)
|
|
channels = channel + 1;
|
|
|
|
/* reset got_channel if this is a new time point */
|
|
if (time > last_time) {
|
|
for (i = 0; i < channels; ++i)
|
|
got_channel[i] = FALSE;
|
|
last_time = time;
|
|
}
|
|
|
|
/* store values */
|
|
got_channel[channel] = TRUE;
|
|
values[channel][0] = rms;
|
|
values[channel][1] = peak;
|
|
values[channel][2] = decay;
|
|
|
|
/* check if we have all channels, and output if we do */
|
|
/* FIXME: this fails on the first, no ? */
|
|
got_all = TRUE;
|
|
for (i = 0; i < channels; ++i)
|
|
if (!got_channel[i])
|
|
got_all = FALSE;
|
|
if (got_all) {
|
|
g_print ("%f ", time);
|
|
for (i = 0; i < channels; ++i)
|
|
for (j = 0; j < 3; ++j)
|
|
g_print ("%f ", values[i][j]);
|
|
g_print ("\n");
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
idler (gpointer data)
|
|
{
|
|
GstElement *pipeline = GST_ELEMENT (data);
|
|
|
|
if (gst_bin_iterate (GST_BIN (pipeline)))
|
|
return TRUE;
|
|
|
|
gtk_main_quit ();
|
|
return FALSE;
|
|
}
|
|
|
|
int
|
|
main (int argc, char *argv[])
|
|
{
|
|
|
|
GstElement *pipeline = NULL;
|
|
GError *error = NULL;
|
|
GstElement *level;
|
|
|
|
gst_init (&argc, &argv);
|
|
gtk_init (&argc, &argv);
|
|
|
|
pipeline = gst_parse_launchv ((const gchar **) &argv[1], &error);
|
|
if (error) {
|
|
g_print ("pipeline could not be constructed: %s\n", error->message);
|
|
g_print ("Please give a complete pipeline with a 'level' element.\n");
|
|
g_print ("Example: sinesrc ! level ! %s\n", DEFAULT_AUDIOSINK);
|
|
g_error_free (error);
|
|
return 1;
|
|
}
|
|
|
|
level = gst_bin_get_by_name (GST_BIN (pipeline), "level0");
|
|
if (level == NULL) {
|
|
g_print ("Please give a pipeline with a 'level' element in it\n");
|
|
return 1;
|
|
}
|
|
|
|
g_object_set (level, "signal", TRUE, NULL);
|
|
g_signal_connect (level, "level", G_CALLBACK (level_callback), NULL);
|
|
|
|
|
|
/* go to main loop */
|
|
gst_element_set_state (pipeline, GST_STATE_PLAYING);
|
|
g_idle_add (idler, pipeline);
|
|
|
|
gtk_main ();
|
|
|
|
return 0;
|
|
}
|