Add beginning of gstreamer stuff

This commit is contained in:
Jaime Thomas 2008-06-03 23:11:09 +00:00
parent 3c7449a1df
commit 794a391695
6 changed files with 170 additions and 5 deletions

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@ -1,6 +1,6 @@
## Process this file with automake to produce Makefile.in
SUBDIRS = src
SUBDIRS = src tools
EXTRA_DIST = \
README AUTHORS COPYING

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@ -10,6 +10,7 @@ AM_CONFIG_HEADER(src/config.h)
AC_ISC_POSIX
AC_PROG_CC
AM_PROG_CC_STDC
AM_PROG_CC_C_O
AC_HEADER_STDC
AC_C_CONST
AM_ENABLE_SHARED
@ -76,6 +77,17 @@ GST_MAJORMINOR=0.10
GST_REQS=0.10.2
GSTPLUG_REQS=0.10.1
PKG_CHECK_MODULES(GSTREAMER, [
gstreamer-$GST_MAJORMINOR >= $GST_REQS
gstreamer-plugins-base-$GST_MAJORMINOR >= $GSTPLUG_REQS],
[
have_gstreamer="yes"
AC_DEFINE(BUILD_GSTREAMER_SUPPORT, 1, [Enable Gstreamer Support for Ecdb])
],
[have_gstreamer="false"])
AM_CONDITIONAL(GSTREAMER_BUILD_SUPPORT, test "x$have_gstreamer" = "xyes")
dnl Make gstreamer an optional dependancy at some point
PKG_CHECK_MODULES(ECDB, [
ecore
@ -84,12 +96,19 @@ PKG_CHECK_MODULES(ECDB, [
efreet-mime
libburn-1 >= $LIBBURN_REQUIRED
libisofs-1 >= $LIBISOFS_REQUIRED
gstreamer-$GST_MAJORMINOR >= $GST_REQS
gstreamer-plugins-base-$GST_MAJORMINOR >= $GSTPLUG_REQS
])
AC_OUTPUT([
Makefile
src/Makefile
src/Makefile
tools/Makefile
tools/ecdb_transcode_helper/Makefile
])
echo
echo "ECDB"
echo
echo "Optional Components:"
echo "Gstreamer Support............................: $have_gstreamer"
echo

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@ -17,7 +17,6 @@
#include <libburn/libburn.h>
#include <libisofs/libisofs.h>
#include <pthread.h>
#include <gst/gst.h>
#undef FREE
#define FREE(dat) \

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@ -0,0 +1,3 @@
MAINTAINERCLEANFILES = Makefile.in
SUBDIRS = ecdb_transcode_helper

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@ -0,0 +1,12 @@
if GSTREAMER_BUILD_SUPPORT
MAINTAINERCLEANFILES = Makefile.im
bin_PROGRAMS = ecdb_transcode_helper
ecdb_transcode_helper_SOURCES = ecdb_transcode_helper.c
ecdb_transcode_helper_CFLAGS = @GSTREAMER_CFLAGS@
ecdb_transcode_helper_LDADD = @GSTREAMER_LIBS@
endif

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@ -0,0 +1,132 @@
#include <gst/gst.h>
GstElement *pipeline, *audio;
static gboolean
bus_call(GstBus *bus, GstMessage *msg, gpointer data)
{
GMainLoop *loop = (GMainLoop *) data;
switch (GST_MESSAGE_TYPE(msg))
{
case GST_MESSAGE_EOS:
{
g_print("End of stream\n");
g_print("Send data back to main program\n");
g_main_loop_quit(loop);
break;
}
case GST_MESSAGE_ERROR:
{
gchar *debug;
GError *err;
gst_message_parse_error(msg, &err, &debug);
g_free(debug);
g_print("Error: %s\n", err->message);
g_print("Send error back to main program\n");
g_error_free(err);
g_main_loop_quit(loop);
break;
}
default:
break;
}
return TRUE;
}
static void
cb_newpad (GstElement *decodebin, GstPad *pad, gboolean last, gpointer data)
{
GstCaps *caps;
GstStructure *str;
GstPad *audiopad;
audiopad = gst_element_get_static_pad (audio, "sink");
if (GST_PAD_IS_LINKED (audiopad))
{
g_object_unref (audiopad);
return;
}
caps = gst_pad_get_caps (pad);
str = gst_caps_get_structure (caps, 0);
if (!g_strrstr (gst_structure_get_name (str), "audio"))
{
gst_caps_unref (caps);
gst_object_unref (audiopad);
return;
}
gst_caps_unref (caps);
gst_pad_link (pad, audiopad);
}
int
main (int argc, char ** argv)
{
GMainLoop *loop;
GstElement *src, *dec, *conv, *resample, *filter, *sink;
GstCaps *filtercaps;
GstPad *audiopad;
GstBus *bus;
gst_init (&argc, &argv);
loop = g_main_loop_new (NULL, FALSE);
if (argc != 2)
{
g_print ("Error: no supplied file!\n");
return 1;
}
pipeline = gst_pipeline_new ("pipeline");
bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline));
gst_bus_add_watch (bus, bus_call, loop);
gst_object_unref (bus);
src = gst_element_factory_make ("filesrc", NULL);
g_object_set (G_OBJECT (src), "location", argv[1], NULL);
dec = gst_element_factory_make ("decodebin", NULL);
g_signal_connect (dec, "new-decoded-pad", G_CALLBACK (cb_newpad), NULL);
gst_bin_add_many (GST_BIN (pipeline), src, dec, NULL);
gst_element_link (src, dec);
audio = gst_bin_new ("audiobin");
conv = gst_element_factory_make ("audioconvert", NULL);
/* Here's the bit of magic */
resample = gst_element_factory_make("audioresample", NULL);
filter = gst_element_factory_make("capsfilter", NULL);
filtercaps = gst_caps_new_full(gst_structure_new("audio/x-raw-int",
"channels", G_TYPE_INT, 2,
"width", G_TYPE_INT, 16,
"depth", G_TYPE_INT, 16,
"endianness", G_TYPE_INT, 1234,
"rate", G_TYPE_INT, 44100,
"signed", G_TYPE_BOOLEAN, TRUE,
NULL), NULL);
g_object_set(GST_OBJECT(filter), "caps", filtercaps, NULL);
gst_caps_unref(filtercaps);
audiopad = gst_element_get_static_pad(conv, "sink");
sink = gst_element_factory_make ("filesink", NULL);
g_object_set(G_OBJECT(sink), "location", "/home/jaime/test.wav", NULL);
gst_bin_add_many(GST_BIN (audio), conv, resample, filter, sink, NULL);
gst_element_link_many(conv, resample, filter, sink, NULL);
gst_element_add_pad (audio, gst_ghost_pad_new ("sink", audiopad));
gst_object_unref (audiopad);
gst_bin_add (GST_BIN (pipeline), audio);
gst_element_set_state (pipeline, GST_STATE_PLAYING);
g_main_loop_run (loop);
gst_element_set_state (pipeline, GST_STATE_NULL);
gst_object_unref (GST_OBJECT (pipeline));
return 0;
}