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Update libvisual to 0.1.7. Link in the debug handling to gstreamer
Original commit message from CVS: * configure.ac: * ext/libvisual/visual.c: (gst_visual_get_type), (libvisual_log_handler), (gst_visual_getcaps), (gst_visual_srclink), (gst_visual_change_state), (make_valid_name), (plugin_init): Update libvisual to 0.1.7. Link in the debug handling to gstreamer * ext/smoothwave/Makefile.am: * ext/smoothwave/demo-osssrc.c: (main): * ext/smoothwave/gstsmoothwave.c: (gst_smoothwave_class_init), (gst_smoothwave_init), (gst_smoothwave_dispose), (gst_sw_sinklink), (gst_sw_srclink), (gst_smoothwave_chain), (gst_sw_change_state), (plugin_init): * ext/smoothwave/gstsmoothwave.h: Make gstsmoothwave a working element in the 20th century. * gst/chart/gstchart.c: (gst_chart_init), (gst_chart_srcconnect): Fix incorrect link function
This commit is contained in:
Jan Schmidt
parent
3270fabe75
commit
659b0d1798
6 changed files with 278 additions and 188 deletions
20
ChangeLog
20
ChangeLog
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@ -1,3 +1,23 @@
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2004-11-13 Jan Schmidt <thaytan@mad.scientist.com>
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* configure.ac:
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* ext/libvisual/visual.c: (gst_visual_get_type),
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(libvisual_log_handler), (gst_visual_getcaps),
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(gst_visual_srclink), (gst_visual_change_state), (make_valid_name),
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(plugin_init):
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Update libvisual to 0.1.7. Link in the debug handling to gstreamer
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* ext/smoothwave/Makefile.am:
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* ext/smoothwave/demo-osssrc.c: (main):
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* ext/smoothwave/gstsmoothwave.c: (gst_smoothwave_class_init),
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(gst_smoothwave_init), (gst_smoothwave_dispose), (gst_sw_sinklink),
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(gst_sw_srclink), (gst_smoothwave_chain), (gst_sw_change_state),
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(plugin_init):
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* ext/smoothwave/gstsmoothwave.h:
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Make gstsmoothwave a working element in the 20th century.
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* gst/chart/gstchart.c: (gst_chart_init), (gst_chart_srcconnect):
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Fix incorrect link function
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2004-11-12 Ronald S. Bultje <rbultje@ronald.bitfreak.net>
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* gst/volume/gstvolume.c:
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@ -1213,7 +1213,7 @@ GST_CHECK_FEATURE(LIBRFB, [librfb Remote Framebuffer], rfbsrc, [
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dnl *** libvisual ***
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translit(dnm, m, l) AM_CONDITIONAL(USE_LIBVISUAL, true)
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GST_CHECK_FEATURE(LIBVISUAL, [libvisual visualization plugins], libvisual, [
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PKG_CHECK_MODULES(LIBVISUAL, libvisual = 0.1.1, HAVE_LIBVISUAL="yes", HAVE_LIBVISUAL="no")
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PKG_CHECK_MODULES(LIBVISUAL, libvisual = 0.1.7, HAVE_LIBVISUAL="yes", HAVE_LIBVISUAL="no")
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AC_SUBST(LIBVISUAL_CFLAGS)
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AC_SUBST(LIBVISUAL_LIBS)
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])
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@ -2,18 +2,17 @@
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plugin_LTLIBRARIES = libgstsmoothwave.la
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libgstsmoothwave_la_SOURCES = gstsmoothwave.c
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libgstsmoothwave_la_CFLAGS = $(GST_CFLAGS) $(GTK_CFLAGS)
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libgstsmoothwave_la_LIBADD = $(GTK_LIBS)
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libgstsmoothwave_la_CFLAGS = $(GST_CFLAGS)
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libgstsmoothwave_la_LIBADD =
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libgstsmoothwave_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
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noinst_HEADERS = gstsmoothwave.h
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if HAVE_GTK
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noinst_PROGRAMS = demo-osssrc
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endif
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demo_osssrc_SOURCES = demo-osssrc.c
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demo_osssrc_CFLAGS = $(GST_CFLAGS) $(GTK_CFLAGS)
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demo_osssrc_LDFLAGS = $(GST_LIBS) $(GTK_LIBS)
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endif
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EXTRA_DIST = README
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@ -11,12 +11,9 @@ int
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main (int argc, char *argv[])
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{
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GstElement *bin;
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GstElementFactory *srcfactory;
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GstElement *src;
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GstElementFactory *wavefactory;
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GstElement *wave;
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GtkWidget *wave_widget;
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GtkWidget *appwindow;
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GstElement *ximage;
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gst_init (&argc, &argv);
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gst_plugin_load ("libsmoothwave.so");
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@ -24,31 +21,19 @@ main (int argc, char *argv[])
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bin = gst_pipeline_new ("bin");
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srcfactory = gst_element_factory_find ("sinesrc");
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g_return_val_if_fail (srcfactory != NULL, -1);
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wavefactory = gst_element_factory_find ("smoothwave");
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g_return_val_if_fail (wavefactory != NULL, -1);
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src = gst_element_factory_create (srcfactory, "src");
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//g_object_set(G_OBJECT(src),"bytes_per_read",(gulong)2048,NULL);
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wave = gst_element_factory_create (wavefactory, "wave");
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g_object_set (G_OBJECT (wave), "width", 256, "height", 100, NULL);
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src = gst_element_factory_make ("sinesrc", "src");
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wave = gst_element_factory_make ("smoothwave", "wave");
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ximage = gst_element_factory_make ("ximagesink", "sink");
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g_return_val_if_fail (src != NULL, -1);
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g_return_val_if_fail (wave != NULL, -1);
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g_return_val_if_fail (ximage != NULL, -1);
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gst_bin_add (GST_BIN (bin), GST_ELEMENT (src));
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gst_bin_add (GST_BIN (bin), GST_ELEMENT (wave));
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gst_bin_add_many (GST_BIN (bin), src, wave, ximage, NULL);
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g_return_val_if_fail (gst_element_link_many (src, wave, ximage,
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NULL) != FALSE, -1);
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gst_pad_link (gst_element_get_pad (src, "src"),
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gst_element_get_pad (wave, "sink"));
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appwindow = gtk_window_new (GTK_WINDOW_TOPLEVEL);
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g_object_get (G_OBJECT (wave), "widget", &wave_widget, NULL);
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gtk_container_add (GTK_CONTAINER (appwindow), wave_widget);
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gtk_widget_show_all (appwindow);
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gst_element_set_state (GST_ELEMENT (bin), GST_STATE_READY);
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gst_element_set_state (GST_ELEMENT (bin), GST_STATE_PLAYING);
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g_idle_add (idle_func, bin);
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gtk_main ();
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@ -23,6 +23,10 @@
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#endif
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#include <string.h>
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#include <gst/gst.h>
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#include <gst/video/video.h>
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#include <gst/audio/audio.h>
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#include "gstsmoothwave.h"
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static GstElementDetails gst_smoothwave_details =
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@ -39,29 +43,58 @@ enum
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LAST_SIGNAL
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};
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enum
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{
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ARG_0,
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ARG_WIDTH,
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ARG_HEIGHT,
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ARG_WIDGET
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};
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static void gst_smoothwave_base_init (gpointer g_class);
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static void gst_smoothwave_class_init (GstSmoothWaveClass * klass);
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static void gst_smoothwave_init (GstSmoothWave * smoothwave);
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static void gst_smoothwave_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec);
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static void gst_smoothwave_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec);
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static void gst_smoothwave_dispose (GObject * object);
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static GstElementStateReturn gst_sw_change_state (GstElement * element);
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static void gst_smoothwave_chain (GstPad * pad, GstData * _data);
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static GstPadLinkReturn gst_sw_sinklink (GstPad * pad, const GstCaps * caps);
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static GstPadLinkReturn gst_sw_srclink (GstPad * pad, const GstCaps * caps);
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static GstElementClass *parent_class = NULL;
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/*static guint gst_smoothwave_signals[LAST_SIGNAL] = { 0 }; */
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#if G_BYTE_ORDER == G_BIG_ENDIAN
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static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("video/x-raw-rgb, "
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"bpp = (int) 32, "
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"depth = (int) 24, "
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"endianness = (int) BIG_ENDIAN, "
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"red_mask = (int) " GST_VIDEO_BYTE2_MASK_32 ", "
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"green_mask = (int) " GST_VIDEO_BYTE3_MASK_32 ", "
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"blue_mask = (int) " GST_VIDEO_BYTE4_MASK_32 ", "
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"width = (int)512, "
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"height = (int)256, " "framerate = " GST_VIDEO_FPS_RANGE)
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);
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#else
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static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("video/x-raw-rgb, "
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"bpp = (int) 32, "
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"depth = (int) 24, "
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"endianness = (int) BIG_ENDIAN, "
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"red_mask = (int) " GST_VIDEO_BYTE3_MASK_32 ", "
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"green_mask = (int) " GST_VIDEO_BYTE2_MASK_32 ", "
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"blue_mask = (int) " GST_VIDEO_BYTE1_MASK_32 ", "
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"width = (int)512, "
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"height = (int)256, " "framerate = " GST_VIDEO_FPS_RANGE)
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);
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#endif
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static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("audio/x-raw-int, "
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"rate = (int) [ 1, MAX ], "
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"channels = (int) [ 1, 2 ], "
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"endianness = (int) BYTE_ORDER, "
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"width = (int) 16, " "depth = (int) 16, " "signed = (boolean) true")
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);
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GType
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gst_smoothwave_get_type (void)
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@ -100,56 +133,111 @@ static void
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gst_smoothwave_class_init (GstSmoothWaveClass * klass)
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{
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GObjectClass *gobject_class;
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GstElementClass *gstelement_class;
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GstElementClass *element_class;
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gobject_class = (GObjectClass *) klass;
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gstelement_class = (GstElementClass *) klass;
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element_class = (GstElementClass *) klass;
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parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
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gobject_class->dispose = gst_smoothwave_dispose;
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element_class->change_state = gst_sw_change_state;
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_WIDTH, g_param_spec_int ("width", "width", "width", G_MININT, G_MAXINT, 0, G_PARAM_READWRITE)); /* CHECKME */
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_HEIGHT, g_param_spec_int ("height", "height", "height", G_MININT, G_MAXINT, 0, G_PARAM_READWRITE)); /* CHECKME */
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_WIDGET, g_param_spec_object ("widget", "widget", "widget", GTK_TYPE_WIDGET, G_PARAM_READABLE)); /* CHECKME! */
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gobject_class->set_property = gst_smoothwave_set_property;
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gobject_class->get_property = gst_smoothwave_get_property;
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&src_template));
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&sink_template));
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}
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static void
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gst_smoothwave_init (GstSmoothWave * smoothwave)
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{
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int i;
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guint32 palette[256];
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smoothwave->sinkpad = gst_pad_new ("sink", GST_PAD_SINK);
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smoothwave->sinkpad =
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gst_pad_new_from_template (gst_static_pad_template_get (&sink_template),
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"sink");
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smoothwave->srcpad =
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gst_pad_new_from_template (gst_static_pad_template_get (&src_template),
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"src");
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gst_element_add_pad (GST_ELEMENT (smoothwave), smoothwave->sinkpad);
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gst_pad_set_chain_function (smoothwave->sinkpad, gst_smoothwave_chain);
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smoothwave->srcpad = gst_pad_new ("src", GST_PAD_SRC);
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gst_element_add_pad (GST_ELEMENT (smoothwave), smoothwave->srcpad);
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gst_pad_set_link_function (smoothwave->sinkpad, gst_sw_sinklink);
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gst_element_add_pad (GST_ELEMENT (smoothwave), smoothwave->srcpad);
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gst_pad_set_link_function (smoothwave->srcpad, gst_sw_srclink);
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GST_FLAG_SET (smoothwave, GST_ELEMENT_EVENT_AWARE);
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smoothwave->adapter = gst_adapter_new ();
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/* smoothwave->meta = NULL; */
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smoothwave->width = 512;
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smoothwave->height = 256;
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gdk_rgb_init ();
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/* gtk_widget_set_default_colormap (gdk_rgb_get_cmap()); */
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/* gtk_widget_set_default_visual (gdk_rgb_get_visual()); */
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#define SPLIT_PT 96
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/* GST_DEBUG ("creating palette"); */
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for (i = 0; i < 256; i++)
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palette[i] = (i << 16) || (i << 8);
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/* GST_DEBUG ("creating cmap"); */
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smoothwave->cmap = gdk_rgb_cmap_new (palette, 256);
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/* GST_DEBUG ("created cmap"); */
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/* gtk_widget_set_default_colormap (smoothwave->cmap); */
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/* Fade in blue up to the split point */
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for (i = 0; i < SPLIT_PT; i++)
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smoothwave->palette[i] = (255 * i / SPLIT_PT);
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smoothwave->image = gtk_drawing_area_new ();
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gtk_drawing_area_size (GTK_DRAWING_AREA (smoothwave->image),
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smoothwave->width, smoothwave->height);
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gtk_widget_show (smoothwave->image);
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/* After the split point, fade out blue and fade in red */
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for (; i < 256; i++) {
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gint val = (i - SPLIT_PT) * 255 / (255 - SPLIT_PT);
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smoothwave->palette[i] = (255 - val) | (val << 16);
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}
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smoothwave->imagebuffer = g_malloc (smoothwave->width * smoothwave->height);
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memset (smoothwave->imagebuffer, 0, smoothwave->width * smoothwave->height);
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smoothwave->fps = 0;
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smoothwave->sample_rate = 0;
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smoothwave->audio_basetime = GST_CLOCK_TIME_NONE;
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smoothwave->samples_consumed = 0;
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}
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static void
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gst_smoothwave_dispose (GObject * object)
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{
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GstSmoothWave *sw = GST_SMOOTHWAVE (object);
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if (sw->adapter != NULL) {
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g_object_unref (sw->adapter);
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sw->adapter = NULL;
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}
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G_OBJECT_CLASS (parent_class)->dispose (object);
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}
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static GstPadLinkReturn
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gst_sw_sinklink (GstPad * pad, const GstCaps * caps)
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{
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GstSmoothWave *sw = GST_SMOOTHWAVE (GST_OBJECT_PARENT (pad));
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GstStructure *structure;
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g_return_val_if_fail (sw != NULL, GST_PAD_LINK_REFUSED);
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structure = gst_caps_get_structure (caps, 0);
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if (!gst_structure_get_int (structure, "channels", &sw->channels) ||
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!gst_structure_get_int (structure, "rate", &sw->sample_rate))
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return GST_PAD_LINK_REFUSED;
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return GST_PAD_LINK_OK;
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}
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static GstPadLinkReturn
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gst_sw_srclink (GstPad * pad, const GstCaps * caps)
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{
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GstSmoothWave *sw = GST_SMOOTHWAVE (GST_OBJECT_PARENT (pad));
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GstStructure *structure;
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g_return_val_if_fail (sw != NULL, GST_PAD_LINK_REFUSED);
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structure = gst_caps_get_structure (caps, 0);
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if (!gst_structure_get_int (structure, "width", &sw->width) ||
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!gst_structure_get_int (structure, "height", &sw->height) ||
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!gst_structure_get_double (structure, "framerate", &sw->fps))
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return GST_PAD_LINK_REFUSED;
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return GST_PAD_LINK_OK;
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}
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static void
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@ -157,146 +245,140 @@ gst_smoothwave_chain (GstPad * pad, GstData * _data)
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{
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GstBuffer *buf = GST_BUFFER (_data);
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GstSmoothWave *smoothwave;
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gint16 *samples;
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gint samplecount, i;
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register guint32 *ptr;
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guint32 bytesperread;
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gint samples_per_frame;
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gint qheight;
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g_return_if_fail (pad != NULL);
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g_return_if_fail (GST_IS_PAD (pad));
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g_return_if_fail (buf != NULL);
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/* g_return_if_fail(GST_IS_BUFFER(buf)); */
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smoothwave = GST_SMOOTHWAVE (GST_OBJECT_PARENT (pad));
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/* first deal with audio metadata */
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#if 0
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if (buf->meta) {
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if (smoothwave->meta != NULL) {
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/* FIXME: need to unref the old metadata so it goes away */
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if (GST_IS_EVENT (_data)) {
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GstEvent *event = GST_EVENT (_data);
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switch (GST_EVENT_TYPE (event)) {
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case GST_EVENT_DISCONTINUOUS:
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{
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gint64 value = 0;
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gst_event_discont_get_value (event, GST_FORMAT_TIME, &value);
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gst_adapter_clear (smoothwave->adapter);
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smoothwave->audio_basetime = value;
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smoothwave->samples_consumed = 0;
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}
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default:
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gst_pad_event_default (pad, event);
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break;
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}
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/* we just make a copy of the pointer */
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smoothwave->meta = (MetaAudioRaw *) (buf->meta);
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/* FIXME: now we have to ref the metadata so it doesn't go away */
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}
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||||
#endif
|
||||
|
||||
/* g_return_if_fail(smoothwave->meta != NULL); */
|
||||
|
||||
samples = (gint16 *) GST_BUFFER_DATA (buf);
|
||||
/* samplecount = buf->datasize / (smoothwave->meta->channels * sizeof(gint16)); */
|
||||
samplecount = GST_BUFFER_SIZE (buf) / (2 * sizeof (gint16));
|
||||
|
||||
qheight = smoothwave->height / 4;
|
||||
|
||||
/* GST_DEBUG ("traversing %d",smoothwave->width); */
|
||||
for (i = 0; i < MAX (smoothwave->width, samplecount); i++) {
|
||||
gint16 y1 = (gint32) (samples[i * 2] * qheight) / 32768 + qheight;
|
||||
gint16 y2 = (gint32) (samples[(i * 2) + 1] * qheight) / 32768 +
|
||||
(qheight * 3);
|
||||
smoothwave->imagebuffer[y1 * smoothwave->width + i] = 0xff;
|
||||
smoothwave->imagebuffer[y2 * smoothwave->width + i] = 0xff;
|
||||
/* smoothwave->imagebuffer[i+(smoothwave->width*5)] = i; */
|
||||
return;
|
||||
}
|
||||
|
||||
ptr = (guint32 *) smoothwave->imagebuffer;
|
||||
for (i = 0; i < (smoothwave->width * smoothwave->height) / 4; i++) {
|
||||
if (*ptr) {
|
||||
*ptr -= ((*ptr & 0xf0f0f0f0ul) >> 4) + ((*ptr & 0xe0e0e0e0ul) >> 5);
|
||||
ptr++;
|
||||
if (!GST_PAD_IS_USABLE (smoothwave->srcpad)) {
|
||||
gst_buffer_unref (buf);
|
||||
return;
|
||||
}
|
||||
if (smoothwave->audio_basetime == GST_CLOCK_TIME_NONE)
|
||||
smoothwave->audio_basetime = GST_BUFFER_TIMESTAMP (buf);
|
||||
if (smoothwave->audio_basetime == GST_CLOCK_TIME_NONE)
|
||||
smoothwave->audio_basetime = 0;
|
||||
|
||||
bytesperread = smoothwave->width * smoothwave->channels * sizeof (gint16);
|
||||
samples_per_frame = smoothwave->sample_rate / smoothwave->fps;
|
||||
|
||||
gst_adapter_push (smoothwave->adapter, buf);
|
||||
while (gst_adapter_available (smoothwave->adapter) > MAX (bytesperread,
|
||||
samples_per_frame * smoothwave->channels * sizeof (gint16))) {
|
||||
const gint16 *samples =
|
||||
(const guint16 *) gst_adapter_peek (smoothwave->adapter, bytesperread);
|
||||
register guint32 *ptr;
|
||||
gint i;
|
||||
|
||||
/* First draw the new waveform */
|
||||
if (smoothwave->channels == 2) {
|
||||
qheight = smoothwave->height / 4;
|
||||
for (i = 0; i < smoothwave->width; i++) {
|
||||
gint16 y1 = (gint32) (samples[i * 2] * qheight) / 32768 + qheight;
|
||||
gint16 y2 = (gint32) (samples[(i * 2) + 1] * qheight) / 32768 +
|
||||
(qheight + smoothwave->height / 2);
|
||||
smoothwave->imagebuffer[y1 * smoothwave->width + i] = 0xff;
|
||||
smoothwave->imagebuffer[y2 * smoothwave->width + i] = 0xff;
|
||||
}
|
||||
} else {
|
||||
qheight = smoothwave->height / 2;
|
||||
for (i = 0; i < smoothwave->width; i++) {
|
||||
gint16 y1 = (gint32) (samples[i] * qheight) / 32768 + qheight;
|
||||
|
||||
smoothwave->imagebuffer[y1 * smoothwave->width + i] = 0xff;
|
||||
}
|
||||
}
|
||||
|
||||
/* Now fade stuff out */
|
||||
ptr = (guint32 *) smoothwave->imagebuffer;
|
||||
for (i = 0; i < (smoothwave->width * smoothwave->height) / 4; i++) {
|
||||
if (*ptr)
|
||||
*ptr -= ((*ptr & 0xf0f0f0f0ul) >> 4) + ((*ptr & 0xe0e0e0e0ul) >> 5);
|
||||
ptr++;
|
||||
}
|
||||
|
||||
{
|
||||
guint32 *out;
|
||||
guchar *in;
|
||||
GstBuffer *bufout;
|
||||
|
||||
bufout =
|
||||
gst_buffer_new_and_alloc (smoothwave->width * smoothwave->height * 4);
|
||||
|
||||
GST_BUFFER_TIMESTAMP (bufout) =
|
||||
smoothwave->audio_basetime +
|
||||
(GST_SECOND * smoothwave->samples_consumed / smoothwave->sample_rate);
|
||||
GST_BUFFER_DURATION (bufout) = GST_SECOND / smoothwave->fps;
|
||||
out = (guint32 *) GST_BUFFER_DATA (bufout);
|
||||
in = smoothwave->imagebuffer;
|
||||
|
||||
for (i = 0; i < (smoothwave->width * smoothwave->height); i++) {
|
||||
// guchar t = *in++;
|
||||
*out++ = smoothwave->palette[*in++]; // t | (t << 8) | (t << 16) | (t << 24);
|
||||
}
|
||||
gst_pad_push (smoothwave->srcpad, GST_DATA (bufout));
|
||||
}
|
||||
smoothwave->samples_consumed += samples_per_frame;
|
||||
gst_adapter_flush (smoothwave->adapter,
|
||||
samples_per_frame * smoothwave->channels * sizeof (gint16));
|
||||
}
|
||||
|
||||
/* GST_DEBUG ("drawing"); */
|
||||
/* GST_DEBUG ("gdk_draw_indexed_image(%p,%p,%d,%d,%d,%d,%s,%p,%d,%p);",
|
||||
smoothwave->image->window,
|
||||
smoothwave->image->style->fg_gc[GTK_STATE_NORMAL],
|
||||
0,0,smoothwave->width,smoothwave->height,
|
||||
"GDK_RGB_DITHER_NORMAL",
|
||||
smoothwave->imagebuffer,smoothwave->width,
|
||||
smoothwave->cmap);*/
|
||||
/* gdk_draw_indexed_image(smoothwave->image->window,
|
||||
smoothwave->image->style->fg_gc[GTK_STATE_NORMAL],
|
||||
0,0,smoothwave->width,smoothwave->height,
|
||||
GDK_RGB_DITHER_NONE,
|
||||
smoothwave->imagebuffer,smoothwave->width,
|
||||
smoothwave->cmap);*/
|
||||
gdk_draw_gray_image (smoothwave->image->window,
|
||||
smoothwave->image->style->fg_gc[GTK_STATE_NORMAL],
|
||||
0, 0, smoothwave->width, smoothwave->height,
|
||||
GDK_RGB_DITHER_NORMAL, smoothwave->imagebuffer, smoothwave->width);
|
||||
|
||||
/* gst_trace_add_entry(NULL,0,buf,"smoothwave: calculated smoothwave"); */
|
||||
|
||||
gst_buffer_unref (buf);
|
||||
}
|
||||
|
||||
static void
|
||||
gst_smoothwave_set_property (GObject * object, guint prop_id,
|
||||
const GValue * value, GParamSpec * pspec)
|
||||
static GstElementStateReturn
|
||||
gst_sw_change_state (GstElement * element)
|
||||
{
|
||||
GstSmoothWave *smoothwave;
|
||||
GstSmoothWave *sw = GST_SMOOTHWAVE (element);
|
||||
|
||||
/* it's not null if we got it, but it might not be ours */
|
||||
g_return_if_fail (GST_IS_SMOOTHWAVE (object));
|
||||
smoothwave = GST_SMOOTHWAVE (object);
|
||||
|
||||
switch (prop_id) {
|
||||
case ARG_WIDTH:
|
||||
smoothwave->width = g_value_get_int (value);
|
||||
gtk_drawing_area_size (GTK_DRAWING_AREA (smoothwave->image),
|
||||
smoothwave->width, smoothwave->height);
|
||||
gtk_widget_set_usize (GTK_WIDGET (smoothwave->image),
|
||||
smoothwave->width, smoothwave->height);
|
||||
switch (GST_STATE_TRANSITION (element)) {
|
||||
case GST_STATE_NULL_TO_READY:
|
||||
break;
|
||||
case ARG_HEIGHT:
|
||||
smoothwave->height = g_value_get_int (value);
|
||||
gtk_drawing_area_size (GTK_DRAWING_AREA (smoothwave->image),
|
||||
smoothwave->width, smoothwave->height);
|
||||
gtk_widget_set_usize (GTK_WIDGET (smoothwave->image),
|
||||
smoothwave->width, smoothwave->height);
|
||||
case GST_STATE_READY_TO_NULL:
|
||||
break;
|
||||
case GST_STATE_READY_TO_PAUSED:
|
||||
sw->audio_basetime = GST_CLOCK_TIME_NONE;
|
||||
gst_adapter_clear (sw->adapter);
|
||||
break;
|
||||
case GST_STATE_PAUSED_TO_READY:
|
||||
sw->channels = 0;
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
return GST_ELEMENT_CLASS (parent_class)->change_state (element);
|
||||
}
|
||||
|
||||
static void
|
||||
gst_smoothwave_get_property (GObject * object, guint prop_id, GValue * value,
|
||||
GParamSpec * pspec)
|
||||
{
|
||||
GstSmoothWave *smoothwave;
|
||||
|
||||
/* it's not null if we got it, but it might not be ours */
|
||||
smoothwave = GST_SMOOTHWAVE (object);
|
||||
|
||||
switch (prop_id) {
|
||||
case ARG_WIDTH:{
|
||||
g_value_set_int (value, smoothwave->width);
|
||||
break;
|
||||
}
|
||||
case ARG_HEIGHT:{
|
||||
g_value_set_int (value, smoothwave->height);
|
||||
break;
|
||||
}
|
||||
case ARG_WIDGET:{
|
||||
g_value_set_object (value, smoothwave->image);
|
||||
break;
|
||||
}
|
||||
default:{
|
||||
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
static gboolean
|
||||
plugin_init (GstPlugin * plugin)
|
||||
{
|
||||
if (!gst_library_load ("gstbytestream"))
|
||||
return FALSE;
|
||||
|
||||
if (!gst_element_register (plugin, "smoothwave", GST_RANK_NONE,
|
||||
GST_TYPE_SMOOTHWAVE))
|
||||
return FALSE;
|
||||
|
|
|
|||
|
|
@ -23,13 +23,12 @@
|
|||
|
||||
|
||||
#include <gst/gst.h>
|
||||
#include <gtk/gtk.h>
|
||||
#include <gst/bytestream/adapter.h>
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif /* __cplusplus */
|
||||
|
||||
|
||||
#define GST_TYPE_SMOOTHWAVE \
|
||||
(gst_smoothwave_get_type())
|
||||
#define GST_SMOOTHWAVE(obj) \
|
||||
|
|
@ -48,12 +47,17 @@ struct _GstSmoothWave {
|
|||
GstElement element;
|
||||
|
||||
GstPad *sinkpad,*srcpad;
|
||||
GstAdapter *adapter;
|
||||
|
||||
gint width,height;
|
||||
|
||||
GdkRgbCmap *cmap;
|
||||
GtkWidget *image;
|
||||
guchar *imagebuffer;
|
||||
GstClockTime audio_basetime;
|
||||
guint64 samples_consumed;
|
||||
|
||||
gint sample_rate;
|
||||
gint width,height;
|
||||
gdouble fps;
|
||||
gint channels;
|
||||
guint32 palette[256];
|
||||
};
|
||||
|
||||
struct _GstSmoothWaveClass {
|
||||
|
|
|
|||
Loading…
Reference in a new issue