+++ /dev/null
-<?xml version="1.0" encoding="Windows-1252"?>
-<VisualStudioProject
- ProjectType="Visual C++"
- Version="7.10"
- Name="chart"
- ProjectGUID="{979C216F-0ACF-4956-AE00-055A42D678AA}"
- Keyword="Win32Proj">
- <Platforms>
- <Platform
- Name="Win32"/>
- </Platforms>
- <Configurations>
- <Configuration
- Name="Debug|Win32"
- OutputDirectory="../../win32/Debug"
- IntermediateDirectory="../../win32/Debug"
- ConfigurationType="2"
- CharacterSet="2">
- <Tool
- Name="VCCLCompilerTool"
- Optimization="0"
- AdditionalIncludeDirectories="../../../gstreamer/win32;../../../gstreamer;../../../gstreamer/libs;../../../glib;../../../glib/glib;../../../glib/gmodule;"../../gst-libs";../../../popt/include;../../../libxml2/include/libxml2"
- PreprocessorDefinitions="WIN32;_DEBUG;_WINDOWS;_USRDLL;chart_EXPORTS;HAVE_CONFIG_H;_USE_MATH_DEFINES"
- MinimalRebuild="TRUE"
- BasicRuntimeChecks="3"
- RuntimeLibrary="3"
- UsePrecompiledHeader="0"
- WarningLevel="3"
- Detect64BitPortabilityProblems="TRUE"
- DebugInformationFormat="4"/>
- <Tool
- Name="VCCustomBuildTool"/>
- <Tool
- Name="VCLinkerTool"
- AdditionalDependencies="glib-2.0.lib gmodule-2.0.lib gthread-2.0.lib gobject-2.0.lib libgstreamer.lib gstbytestream.lib iconv.lib intl.lib"
- OutputFile="$(OutDir)/gstchart.dll"
- LinkIncremental="2"
- AdditionalLibraryDirectories="../../../gstreamer/win32/Debug;../../../glib/glib;../../../glib/gmodule;../../../glib/gthread;../../../glib/gobject;../../../gettext/lib;../../../libiconv/lib"
- ModuleDefinitionFile=""
- GenerateDebugInformation="TRUE"
- ProgramDatabaseFile="$(OutDir)/chart.pdb"
- SubSystem="2"
- OptimizeReferences="2"
- ImportLibrary="$(OutDir)/gstchart.lib"
- TargetMachine="1"/>
- <Tool
- Name="VCMIDLTool"/>
- <Tool
- Name="VCPostBuildEventTool"
- CommandLine="copy /Y $(TargetPath) c:\gstreamer\plugins"/>
- <Tool
- Name="VCPreBuildEventTool"/>
- <Tool
- Name="VCPreLinkEventTool"/>
- <Tool
- Name="VCResourceCompilerTool"/>
- <Tool
- Name="VCWebServiceProxyGeneratorTool"/>
- <Tool
- Name="VCXMLDataGeneratorTool"/>
- <Tool
- Name="VCWebDeploymentTool"/>
- <Tool
- Name="VCManagedWrapperGeneratorTool"/>
- <Tool
- Name="VCAuxiliaryManagedWrapperGeneratorTool"/>
- </Configuration>
- <Configuration
- Name="Release|Win32"
- OutputDirectory="../../win32/Release"
- IntermediateDirectory="../../win32/Release"
- ConfigurationType="2"
- CharacterSet="2">
- <Tool
- Name="VCCLCompilerTool"
- AdditionalIncludeDirectories="../../../gstreamer/win32;../../../gstreamer;../../../gstreamer/libs;../../../glib;../../../glib/glib;../../../glib/gmodule;"../../gst-libs";../../../popt/include;../../../libxml2/include/libxml2"
- PreprocessorDefinitions="WIN32;NDEBUG;GST_DISABLE_GST_DEBUG;_WINDOWS;_USRDLL;chart_EXPORTS;HAVE_CONFIG_H;_USE_MATH_DEFINES"
- RuntimeLibrary="2"
- UsePrecompiledHeader="0"
- WarningLevel="3"
- Detect64BitPortabilityProblems="TRUE"
- DebugInformationFormat="3"/>
- <Tool
- Name="VCCustomBuildTool"/>
- <Tool
- Name="VCLinkerTool"
- AdditionalDependencies="glib-2.0.lib gmodule-2.0.lib gthread-2.0.lib gobject-2.0.lib libgstreamer.lib gstbytestream.lib iconv.lib intl.lib"
- OutputFile="$(OutDir)/gstchart.dll"
- LinkIncremental="1"
- AdditionalLibraryDirectories="../../../gstreamer/win32/Release;../../../glib/glib;../../../glib/gmodule;../../../glib/gthread;../../../glib/gobject;../../../gettext/lib;../../../libiconv/lib"
- ModuleDefinitionFile=""
- GenerateDebugInformation="TRUE"
- SubSystem="2"
- OptimizeReferences="2"
- EnableCOMDATFolding="2"
- ImportLibrary="$(OutDir)/gstchart.lib"
- TargetMachine="1"/>
- <Tool
- Name="VCMIDLTool"/>
- <Tool
- Name="VCPostBuildEventTool"
- CommandLine="copy /Y $(TargetPath) c:\gstreamer\plugins"/>
- <Tool
- Name="VCPreBuildEventTool"/>
- <Tool
- Name="VCPreLinkEventTool"/>
- <Tool
- Name="VCResourceCompilerTool"/>
- <Tool
- Name="VCWebServiceProxyGeneratorTool"/>
- <Tool
- Name="VCXMLDataGeneratorTool"/>
- <Tool
- Name="VCWebDeploymentTool"/>
- <Tool
- Name="VCManagedWrapperGeneratorTool"/>
- <Tool
- Name="VCAuxiliaryManagedWrapperGeneratorTool"/>
- </Configuration>
- </Configurations>
- <References>
- </References>
- <Files>
- <Filter
- Name="Source Files"
- Filter="cpp;c;cxx;def;odl;idl;hpj;bat;asm;asmx"
- UniqueIdentifier="{4FC737F1-C7A5-4376-A066-2A32D752A2FF}">
- <File
- RelativePath=".\gstchart.c">
- </File>
- </Filter>
- <Filter
- Name="Header Files"
- Filter="h;hpp;hxx;hm;inl;inc;xsd"
- UniqueIdentifier="{93995380-89BD-4b04-88EB-625FBE52EBFB}">
- </Filter>
- <Filter
- Name="Resource Files"
- Filter="rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx"
- UniqueIdentifier="{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}">
- </Filter>
- </Files>
- <Globals>
- </Globals>
-</VisualStudioProject>
+++ /dev/null
-/* gstchart.c: implementation of chart drawing element
- * Copyright (C) <2001> Richard Boulton <richard@tartarus.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 <gst/video/video.h>
-
-#define GST_TYPE_CHART (gst_chart_get_type())
-#define GST_CHART(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_CHART,GstChart))
-#define GST_CHART_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_CHART,GstChart))
-#define GST_IS_CHART(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_CHART))
-#define GST_IS_CHART_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_CHART))
-
-typedef struct _GstChart GstChart;
-typedef struct _GstChartClass GstChartClass;
-
-struct _GstChart
-{
- GstElement element;
-
- /* pads */
- GstPad *sinkpad, *srcpad;
-
- /* the timestamp of the next frame */
- guint64 next_time;
-
- /* video state */
- gint bpp;
- gint depth;
- gint width;
- gint height;
-
- gint samplerate;
- gdouble framerate; /* desired frame rate */
- gint samples_between_frames; /* number of samples between start of successive frames */
- gint samples_since_last_frame; /* number of samples between start of successive frames */
-};
-
-struct _GstChartClass
-{
- GstElementClass parent_class;
-};
-
-GType gst_chart_get_type (void);
-
-/* signals and args */
-enum
-{
- /* FILL ME */
- LAST_SIGNAL
-};
-
-enum
-{
- ARG_0,
- /* FILL ME */
-};
-
-static GstStaticPadTemplate src_factory = GST_STATIC_PAD_TEMPLATE ("src",
- GST_PAD_SRC,
- GST_PAD_ALWAYS,
- GST_STATIC_CAPS (GST_VIDEO_CAPS_RGB_16)
- );
-
-static GstStaticPadTemplate sink_factory = GST_STATIC_PAD_TEMPLATE ("sink",
- GST_PAD_SINK,
- GST_PAD_ALWAYS,
- GST_STATIC_CAPS ("audio/x-raw-int, "
- "endianness = (int) BYTE_ORDER, "
- "signed = (boolean) TRUE, "
- "width = (int) 16, "
- "depth = (int) 16, "
- "rate = (int) [ 8000, 96000 ], " "channels = (int) 1")
- );
-
-static void gst_chart_base_init (gpointer g_class);
-static void gst_chart_class_init (GstChartClass * klass);
-static void gst_chart_init (GstChart * chart);
-
-static void gst_chart_set_property (GObject * object, guint prop_id,
- const GValue * value, GParamSpec * pspec);
-static void gst_chart_get_property (GObject * object, guint prop_id,
- GValue * value, GParamSpec * pspec);
-
-static void gst_chart_chain (GstPad * pad, GstData * _data);
-
-static GstPadLinkReturn
-gst_chart_sinkconnect (GstPad * pad, const GstCaps * caps);
-static GstPadLinkReturn
-gst_chart_srcconnect (GstPad * pad, const GstCaps * caps);
-
-static GstElementClass *parent_class = NULL;
-
-GType
-gst_chart_get_type (void)
-{
- static GType type = 0;
-
- if (!type) {
- static const GTypeInfo info = {
- sizeof (GstChartClass),
- gst_chart_base_init,
- NULL,
- (GClassInitFunc) gst_chart_class_init,
- NULL,
- NULL,
- sizeof (GstChart),
- 0,
- (GInstanceInitFunc) gst_chart_init,
- };
-
- type = g_type_register_static (GST_TYPE_ELEMENT, "GstChart", &info, 0);
- }
- return type;
-}
-
-static void
-gst_chart_base_init (gpointer g_class)
-{
- GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
-
- gst_element_class_add_pad_template (element_class,
- gst_static_pad_template_get (&src_factory));
- gst_element_class_add_pad_template (element_class,
- gst_static_pad_template_get (&sink_factory));
- gst_element_class_set_details_simple (element_class, "Chart drawer",
- "Visualization",
- "Takes frames of data and outputs video frames of a chart of data",
- "Richard Boulton <richard@tartarus.org>");
-}
-
-static void
-gst_chart_class_init (GstChartClass * klass)
-{
- GObjectClass *gobject_class;
- GstElementClass *gstelement_class;
-
- gobject_class = (GObjectClass *) klass;
- gstelement_class = (GstElementClass *) klass;
-
- parent_class = g_type_class_peek_parent (klass);
-
- gobject_class->set_property = gst_chart_set_property;
- gobject_class->get_property = gst_chart_get_property;
-}
-
-static void
-gst_chart_init (GstChart * chart)
-{
- /* create the sink and src pads */
- chart->sinkpad = gst_pad_new_from_static_template (&sink_factory, "sink");
- chart->srcpad = gst_pad_new_from_static_template (&src_factory, "src");
- gst_element_add_pad (GST_ELEMENT (chart), chart->sinkpad);
- gst_element_add_pad (GST_ELEMENT (chart), chart->srcpad);
-
- gst_pad_set_chain_function (chart->sinkpad, gst_chart_chain);
- gst_pad_set_link_function (chart->sinkpad, gst_chart_sinkconnect);
- gst_pad_set_link_function (chart->srcpad, gst_chart_srcconnect);
-
- chart->next_time = 0;
-
- /* reset the initial video state */
- chart->bpp = 16;
- chart->depth = 16;
- chart->width = 256;
- chart->height = 128;
-
- chart->samplerate = -1;
- chart->framerate = 25; /* desired frame rate */
- chart->samples_between_frames = 0; /* number of samples between start of successive frames */
- chart->samples_since_last_frame = 0;
-}
-
-static GstPadLinkReturn
-gst_chart_sinkconnect (GstPad * pad, const GstCaps * caps)
-{
- GstChart *chart;
- GstStructure *structure;
-
- chart = GST_CHART (gst_pad_get_parent (pad));
-
- structure = gst_caps_get_structure (caps, 0);
-
- gst_structure_get_int (structure, "rate", &chart->samplerate);
- chart->samples_between_frames = chart->samplerate / chart->framerate;
-
- GST_DEBUG ("CHART: new sink caps: rate %d", chart->samplerate);
- /*gst_chart_sync_parms (chart); */
- /* */
- return GST_PAD_LINK_OK;
-}
-
-static GstPadLinkReturn
-gst_chart_srcconnect (GstPad * pad, const GstCaps * caps)
-{
- GstChart *chart;
- GstStructure *structure;
-
- chart = GST_CHART (gst_pad_get_parent (pad));
-
- structure = gst_caps_get_structure (caps, 0);
-
- if (!gst_structure_get_double (structure, "framerate", &chart->framerate) ||
- !gst_structure_get_int (structure, "width", &chart->width) ||
- !gst_structure_get_int (structure, "height", &chart->height))
- return GST_PAD_LINK_REFUSED;
-
- chart->samples_between_frames = chart->samplerate / chart->framerate;
- GST_DEBUG ("CHART: new src caps: framerate %f, %dx%d",
- chart->framerate, chart->width, chart->height);
-
- return GST_PAD_LINK_OK;
-}
-
-static void
-draw_chart_16bpp (guchar * output, gint width, gint height,
- gint16 * src_data, gint src_size)
-{
- gint i;
- guint16 *colstart;
- gint16 *in;
-
- GST_DEBUG
- ("CHART: drawing frame to %p, width = %d, height = %d, src_data = %p, src_size = %d",
- output, width, height, src_data, src_size);
-
- for (colstart = (guint16 *) output, in = (gint16 *) src_data, i = 0;
- i < width; colstart++, in++, i++) {
- guint16 *pos = colstart;
- gint h1;
-
- h1 = (((gint) (*in)) * height / (1 << 16)) + height / 2;
- if (h1 >= height)
- h1 = height;
-
- if (h1 < height / 2) {
- while (pos < colstart + h1 * width) {
- *pos = 0x0000;
- pos += width;
- }
- while (pos < colstart + height / 2 * width) {
- *pos = 0x07e0;
- pos += width;
- }
- while (pos < colstart + height * width) {
- *pos = 0x0000;
- pos += width;
- }
- } else {
- while (pos < colstart + height / 2 * width) {
- *pos = 0x0000;
- pos += width;
- }
- while (pos < colstart + h1 * width) {
- *pos = 0x07e0;
- pos += width;
- }
- while (pos < colstart + height * width) {
- *pos = 0x0000;
- pos += width;
- }
- }
- }
-}
-
-static void
-gst_chart_chain (GstPad * pad, GstData * _data)
-{
- GstBuffer *bufin = GST_BUFFER (_data);
- GstChart *chart;
- GstBuffer *bufout;
- guint32 samples_in;
- guint32 sizeout;
- gint16 *datain;
- guchar *dataout;
-
- g_return_if_fail (bufin != NULL);
- g_return_if_fail (pad != NULL);
- g_return_if_fail (GST_IS_PAD (pad));
- g_return_if_fail (GST_IS_CHART (GST_OBJECT_PARENT (pad)));
- chart = GST_CHART (GST_OBJECT_PARENT (pad));
- g_return_if_fail (chart != NULL);
-
- GST_DEBUG ("CHART: chainfunc called");
-
- samples_in = GST_BUFFER_SIZE (bufin) / sizeof (gint16);
- datain = (gint16 *) (GST_BUFFER_DATA (bufin));
- GST_DEBUG ("input buffer has %d samples", samples_in);
- if (chart->next_time <= GST_BUFFER_TIMESTAMP (bufin)) {
- chart->next_time = GST_BUFFER_TIMESTAMP (bufin);
- GST_DEBUG ("in: %" G_GINT64_FORMAT, GST_BUFFER_TIMESTAMP (bufin));
- }
-
- chart->samples_since_last_frame += samples_in;
- if (chart->samples_between_frames <= chart->samples_since_last_frame) {
- chart->samples_since_last_frame = 0;
-
- /* get data to draw into buffer */
- if (samples_in >= chart->width) {
- /* make a new buffer for the output */
- bufout = gst_buffer_new ();
- sizeout = chart->bpp / 8 * chart->width * chart->height;
- dataout = g_malloc (sizeout);
- GST_BUFFER_SIZE (bufout) = sizeout;
- GST_BUFFER_DATA (bufout) = dataout;
- GST_DEBUG ("CHART: made new buffer: size %d, width %d, height %d",
- sizeout, chart->width, chart->height);
-
- /* take data and draw to new buffer */
- /* FIXME: call different routines for different properties */
- draw_chart_16bpp (dataout, chart->width, chart->height, (gint16 *) datain,
- samples_in);
-
- gst_buffer_unref (bufin);
-
- /* set timestamp */
- GST_BUFFER_TIMESTAMP (bufout) = chart->next_time;
-
- GST_DEBUG ("CHART: outputting buffer");
- /* output buffer */
- GST_BUFFER_FLAG_SET (bufout, GST_BUFFER_READONLY);
- gst_pad_push (chart->srcpad, GST_DATA (bufout));
- }
- } else {
- GST_DEBUG ("CHART: skipping buffer");
- gst_buffer_unref (bufin);
- }
-
- GST_DEBUG ("CHART: exiting chainfunc");
-}
-
-static void
-gst_chart_set_property (GObject * object, guint prop_id, const GValue * value,
- GParamSpec * pspec)
-{
- GstChart *chart;
-
- g_return_if_fail (GST_IS_CHART (object));
- chart = GST_CHART (object);
-
- switch (prop_id) {
- default:
- break;
- }
-}
-
-static void
-gst_chart_get_property (GObject * object, guint prop_id, GValue * value,
- GParamSpec * pspec)
-{
- GstChart *chart;
-
- g_return_if_fail (GST_IS_CHART (object));
- chart = GST_CHART (object);
-
- switch (prop_id) {
- default:
- break;
- }
-}
-
-static gboolean
-plugin_init (GstPlugin * plugin)
-{
- if (!gst_element_register (plugin, "chart", GST_RANK_NONE, GST_TYPE_CHART))
- return FALSE;
-
- return TRUE;
-}
-
-GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
- GST_VERSION_MINOR,
- chart,
- "Takes frames of data and outputs video frames of a chart of data",
- plugin_init, VERSION, "LGPL", GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)
projects / platform / upstream / gstreamer.git / commitdiff