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cleaned up some code and integrated with new adder (mixer now works with different types of files)
Original commit message from CVS: * cleaned up some code and integrated with new adder (mixer now works with different types of files)
This commit is contained in:
Thomas Vander Stichele
parent
7c5e80c383
commit
bbb7ab7055
2 changed files with 56 additions and 16 deletions
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@ -1,6 +1,18 @@
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/*
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* mixer.c - stereo audio mixer - thomas@apestaart.org
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* example based on helloworld by
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* demonstrates the adder plugin and the volume envelope plugin
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* work in progress but do try it out
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*
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* Latest change : 16/04/2001
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* mixer & adder plugin now work with variable-size input buffers
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* Version : 0.2
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*/
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#include <stdlib.h>
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#include <gst/gst.h>
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#include "mixer.h"
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#include <unistd.h>
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//#define DEBUG
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@ -12,16 +24,13 @@ void destroy_input_channel (input_channel_t *pipe);
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gboolean playing;
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/* example based on helloworld by thomas@apestaart.org
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demonstrates the adder plugin and the volume envelope plugin
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work in progress but do try it out */
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/* eos will be called when the src element has an end of stream */
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void eos(GstElement *element)
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{
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g_print("have eos, quitting\n");
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g_print("have eos, quitting ?\n");
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playing = FALSE;
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// playing = FALSE;
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}
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static void
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@ -128,12 +137,22 @@ int main(int argc,char *argv[])
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gtk_object_set(GTK_OBJECT(channel_in1->volenv), "controlpoint", "10:1", NULL);
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gtk_object_set(GTK_OBJECT(channel_in1->volenv), "controlpoint", "15:1", NULL);
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gtk_object_set(GTK_OBJECT(channel_in1->volenv), "controlpoint", "20:0.000001", NULL);
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gtk_object_set(GTK_OBJECT(channel_in1->volenv), "controlpoint", "40:0.000001", NULL);
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gtk_object_set(GTK_OBJECT(channel_in1->volenv), "controlpoint", "45:0.5", NULL);
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gtk_object_set(GTK_OBJECT(channel_in2->volenv), "controlpoint", "0:1", NULL);
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gtk_object_set(GTK_OBJECT(channel_in2->volenv), "controlpoint", "5:1", NULL);
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gtk_object_set(GTK_OBJECT(channel_in2->volenv), "controlpoint", "10:0.000001", NULL);
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gtk_object_set(GTK_OBJECT(channel_in2->volenv), "controlpoint", "15:0.000001", NULL);
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gtk_object_set(GTK_OBJECT(channel_in2->volenv), "controlpoint", "20:1", NULL);
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gtk_object_set(GTK_OBJECT(channel_in2->volenv), "controlpoint", "40:1", NULL);
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gtk_object_set(GTK_OBJECT(channel_in2->volenv), "controlpoint", "45:0.5", NULL);
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/* sleep a few seconds */
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printf ("Sleeping a few seconds ...\n");
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sleep (2);
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printf ("Waking up ...\n");
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/* start playing */
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gst_element_set_state(main_bin, GST_STATE_PLAYING);
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@ -211,9 +230,10 @@ create_input_channel (int id, char* location)
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/* add disksrc to the bin before autoplug */
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gst_bin_add(GST_BIN(channel->pipe), channel->disksrc);
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/* gtk_signal_connect(GTK_OBJECT(disksrc1),"eos",
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/* connect signal to eos of disksrc */
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gtk_signal_connect(GTK_OBJECT(channel->disksrc),"eos",
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GTK_SIGNAL_FUNC(eos),NULL);
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*/
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#ifdef DEBUG
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printf ("DEBUG : c_i_p : creating volume envelope\n");
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@ -255,7 +275,7 @@ create_input_channel (int id, char* location)
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exit (-1);
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}
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gst_bin_add(GST_BIN(channel->pipe), channel->volenv);
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gst_bin_add (GST_BIN(channel->pipe), channel->volenv);
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gst_bin_add (GST_BIN (channel->pipe), new_element);
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gst_element_connect (channel->disksrc, "src", new_element, "sink");
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@ -1,6 +1,18 @@
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/*
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* mixer.c - stereo audio mixer - thomas@apestaart.org
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* example based on helloworld by
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* demonstrates the adder plugin and the volume envelope plugin
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* work in progress but do try it out
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*
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* Latest change : 16/04/2001
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* mixer & adder plugin now work with variable-size input buffers
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* Version : 0.2
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*/
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#include <stdlib.h>
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#include <gst/gst.h>
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#include "mixer.h"
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#include <unistd.h>
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//#define DEBUG
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@ -12,16 +24,13 @@ void destroy_input_channel (input_channel_t *pipe);
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gboolean playing;
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/* example based on helloworld by thomas@apestaart.org
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demonstrates the adder plugin and the volume envelope plugin
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work in progress but do try it out */
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/* eos will be called when the src element has an end of stream */
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void eos(GstElement *element)
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{
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g_print("have eos, quitting\n");
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g_print("have eos, quitting ?\n");
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playing = FALSE;
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// playing = FALSE;
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}
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static void
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@ -128,12 +137,22 @@ int main(int argc,char *argv[])
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gtk_object_set(GTK_OBJECT(channel_in1->volenv), "controlpoint", "10:1", NULL);
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gtk_object_set(GTK_OBJECT(channel_in1->volenv), "controlpoint", "15:1", NULL);
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gtk_object_set(GTK_OBJECT(channel_in1->volenv), "controlpoint", "20:0.000001", NULL);
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gtk_object_set(GTK_OBJECT(channel_in1->volenv), "controlpoint", "40:0.000001", NULL);
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gtk_object_set(GTK_OBJECT(channel_in1->volenv), "controlpoint", "45:0.5", NULL);
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gtk_object_set(GTK_OBJECT(channel_in2->volenv), "controlpoint", "0:1", NULL);
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gtk_object_set(GTK_OBJECT(channel_in2->volenv), "controlpoint", "5:1", NULL);
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gtk_object_set(GTK_OBJECT(channel_in2->volenv), "controlpoint", "10:0.000001", NULL);
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gtk_object_set(GTK_OBJECT(channel_in2->volenv), "controlpoint", "15:0.000001", NULL);
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gtk_object_set(GTK_OBJECT(channel_in2->volenv), "controlpoint", "20:1", NULL);
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gtk_object_set(GTK_OBJECT(channel_in2->volenv), "controlpoint", "40:1", NULL);
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gtk_object_set(GTK_OBJECT(channel_in2->volenv), "controlpoint", "45:0.5", NULL);
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/* sleep a few seconds */
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printf ("Sleeping a few seconds ...\n");
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sleep (2);
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printf ("Waking up ...\n");
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/* start playing */
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gst_element_set_state(main_bin, GST_STATE_PLAYING);
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@ -211,9 +230,10 @@ create_input_channel (int id, char* location)
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/* add disksrc to the bin before autoplug */
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gst_bin_add(GST_BIN(channel->pipe), channel->disksrc);
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/* gtk_signal_connect(GTK_OBJECT(disksrc1),"eos",
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/* connect signal to eos of disksrc */
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gtk_signal_connect(GTK_OBJECT(channel->disksrc),"eos",
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GTK_SIGNAL_FUNC(eos),NULL);
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*/
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#ifdef DEBUG
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printf ("DEBUG : c_i_p : creating volume envelope\n");
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@ -255,7 +275,7 @@ create_input_channel (int id, char* location)
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exit (-1);
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}
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gst_bin_add(GST_BIN(channel->pipe), channel->volenv);
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gst_bin_add (GST_BIN(channel->pipe), channel->volenv);
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gst_bin_add (GST_BIN (channel->pipe), new_element);
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gst_element_connect (channel->disksrc, "src", new_element, "sink");
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