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sys/directsound/gstdirectsoundsink.*: Remove include of unused headers.
Original commit message from CVS: * sys/directsound/gstdirectsoundsink.c: * sys/directsound/gstdirectsoundsink.h: Remove include of unused headers. * sys/waveform/gstwaveformplugin.c: * sys/waveform/gstwaveformsink.c: * sys/waveform/gstwaveformsink.h: * win32/vs6/libgstwaveform.dsp: Add a new waveform plugin which includes an audio sink element using the WaveForm win32 API. * win32/MANIFEST: Add the new project file form waveform plugin.
This commit is contained in:
Sébastien Moutte
parent
f0ea2ecc06
commit
da5144bc04
8 changed files with 881 additions and 17 deletions
14
ChangeLog
14
ChangeLog
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@ -1,3 +1,17 @@
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2007-02-20 Sébastien Moutte <sebastien@moutte.net>
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* sys/directsound/gstdirectsoundsink.c:
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* sys/directsound/gstdirectsoundsink.h:
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Remove include of unused headers.
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* sys/waveform/gstwaveformplugin.c:
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* sys/waveform/gstwaveformsink.c:
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* sys/waveform/gstwaveformsink.h:
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* win32/vs6/libgstwaveform.dsp:
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Add a new waveform plugin which includes an audio sink
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element using the WaveForm win32 API.
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* win32/MANIFEST:
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Add the new project file form waveform plugin.
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2007-02-18 Sébastien Moutte <sebastien@moutte.net>
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* sys/directdraw/gstdirectdrawplugin.c:
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@ -20,7 +20,7 @@
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*/
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/**
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* SECTION:element-directsound
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* SECTION:element-directsoundsink
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* @short_description: output sound using Directsound API
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*
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* <refsect2>
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@ -56,13 +56,6 @@
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#include "gstdirectsoundsink.h"
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#include <fcntl.h>
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#include <errno.h>
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#include <string.h>
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GST_DEBUG_CATEGORY_STATIC (directsoundsink_debug);
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/* elementfactory information */
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@ -76,7 +69,6 @@ static void gst_directsound_sink_base_init (gpointer g_class);
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static void gst_directsound_sink_class_init (GstDirectSoundSinkClass * klass);
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static void gst_directsound_sink_init (GstDirectSoundSink * dsoundsink,
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GstDirectSoundSinkClass * g_class);
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static void gst_directsound_sink_dispose (GObject * object);
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static void gst_directsound_sink_finalise (GObject * object);
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static void gst_directsound_sink_set_property (GObject * object,
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guint prop_id, const GValue * value, GParamSpec * pspec);
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@ -128,11 +120,6 @@ _do_init (GType directsoundsink_type)
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GST_BOILERPLATE_FULL (GstDirectSoundSink, gst_directsound_sink, GstAudioSink,
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GST_TYPE_AUDIO_SINK, _do_init);
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static void
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gst_directsound_sink_dispose (GObject * object)
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{
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G_OBJECT_CLASS (parent_class)->dispose (object);
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}
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static void
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gst_directsound_sink_finalise (GObject * object)
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@ -171,7 +158,6 @@ gst_directsound_sink_class_init (GstDirectSoundSinkClass * klass)
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parent_class = g_type_class_peek_parent (klass);
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gobject_class->dispose = GST_DEBUG_FUNCPTR (gst_directsound_sink_dispose);
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gobject_class->finalize = GST_DEBUG_FUNCPTR (gst_directsound_sink_finalise);
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gobject_class->get_property =
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GST_DEBUG_FUNCPTR (gst_directsound_sink_get_property);
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@ -19,7 +19,6 @@
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __GST_DIRECTSOUNDSINK_H__
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#define __GST_DIRECTSOUNDSINK_H__
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@ -30,7 +29,6 @@
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#include <dxerr9.h>
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#include <dsound.h>
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G_BEGIN_DECLS
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#define GST_TYPE_DIRECTSOUND_SINK (gst_directsound_sink_get_type())
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#define GST_DIRECTSOUND_SINK(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DIRECTSOUND_SINK,GstDirectSoundSink))
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42
sys/waveform/gstwaveformplugin.c
Normal file
42
sys/waveform/gstwaveformplugin.c
Normal file
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@ -0,0 +1,42 @@
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/* GStreamer
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* Copyright (C) 2005 Sebastien Moutte <sebastien@moutte.net>
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*
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* gstwaveformplugin.c:
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "gstwaveformsink.h"
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static gboolean
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plugin_init (GstPlugin * plugin)
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{
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if (!gst_element_register (plugin, "waveformsink", GST_RANK_PRIMARY,
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GST_TYPE_WAVEFORM_SINK))
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return FALSE;
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return TRUE;
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}
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GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
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GST_VERSION_MINOR,
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"waveform",
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"WaveForm win32 API plugin",
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plugin_init, VERSION, "LGPL", GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)
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601
sys/waveform/gstwaveformsink.c
Normal file
601
sys/waveform/gstwaveformsink.c
Normal file
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@ -0,0 +1,601 @@
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/* GStreamer
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* Copyright (C) 2005 Sebastien Moutte <sebastien@moutte.net>
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*
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* gstwaveformsink.c:
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/**
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* SECTION:element-waveformsink
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* @short_description: output sound using WaveForm API
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*
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* <refsect2>
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* <para>
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* This element lets you output sound using the WaveForm API.
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* </para>
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* <para>
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* Note that you should almost always use generic audio conversion elements
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* like audioconvert and audioresample in front of an audiosink to make sure
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* your pipeline works under all circumstances (those conversion elements will
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* act in passthrough-mode if no conversion is necessary).
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* </para>
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* <title>Example pipelines</title>
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* <para>
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* <programlisting>
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* gst-launch-0.10 -v audiotestsrc ! audioconvert ! volume volume=0.1 ! waveformsink
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* </programlisting>
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* will output a sine wave (continuous beep sound) to your sound card (with
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* a very low volume as precaution).
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* </para>
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* <para>
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* <programlisting>
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* gst-launch-0.10 -v filesrc location=music.ogg ! decodebin ! audioconvert ! audioresample ! waveformsink
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* </programlisting>
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* will play an Ogg/Vorbis audio file and output it.
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* </para>
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* </refsect2>
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "gstwaveformsink.h"
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GST_DEBUG_CATEGORY_STATIC (waveformsink_debug);
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/* elementfactory information */
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static const GstElementDetails gst_waveform_sink_details =
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GST_ELEMENT_DETAILS ("WaveForm Audio Sink",
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"Sink/Audio",
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"Output to a sound card via WaveForm API",
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"Sebastien Moutte <sebastien@moutte.net>");
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static void gst_waveform_sink_base_init (gpointer g_class);
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static void gst_waveform_sink_class_init (GstWaveFormSinkClass * klass);
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static void gst_waveform_sink_init (GstWaveFormSink * wfsink,
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GstWaveFormSinkClass * g_class);
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static void gst_waveform_sink_finalise (GObject * object);
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static void gst_waveform_sink_set_property (GObject * object,
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guint prop_id, const GValue * value, GParamSpec * pspec);
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static void gst_waveform_sink_get_property (GObject * object,
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guint prop_id, GValue * value, GParamSpec * pspec);
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static GstCaps *gst_waveform_sink_getcaps (GstBaseSink * bsink);
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/************************************************************************/
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/* GstAudioSink functions */
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/************************************************************************/
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static gboolean gst_waveform_sink_prepare (GstAudioSink * asink,
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GstRingBufferSpec * spec);
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static gboolean gst_waveform_sink_unprepare (GstAudioSink * asink);
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static gboolean gst_waveform_sink_open (GstAudioSink * asink);
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static gboolean gst_waveform_sink_close (GstAudioSink * asink);
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static guint gst_waveform_sink_write (GstAudioSink * asink, gpointer data,
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guint length);
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static guint gst_waveform_sink_delay (GstAudioSink * asink);
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static void gst_waveform_sink_reset (GstAudioSink * asink);
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/************************************************************************/
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/* Utils */
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/************************************************************************/
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GstCaps *gst_waveform_sink_create_caps (gint rate, gint channels,
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gint bits_per_sample);
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WAVEHDR *bufferpool_get_buffer (GstWaveFormSink * wfsink, gpointer data,
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guint length);
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void CALLBACK waveOutProc (HWAVEOUT hwo, UINT uMsg, unsigned long dwInstance,
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DWORD dwParam1, DWORD dwParam2);
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static GstStaticPadTemplate waveformsink_sink_factory =
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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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"signed = (boolean) { TRUE, FALSE }, "
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"width = (int) 16, "
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"depth = (int) 16, "
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"rate = (int) [ 1, MAX ], " "channels = (int) [ 1, 2 ]; "
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"audio/x-raw-int, "
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"signed = (boolean) { TRUE, FALSE }, "
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"width = (int) 8, "
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"depth = (int) 8, "
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"rate = (int) [ 1, MAX ], " "channels = (int) [ 1, 2 ]"));
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GST_BOILERPLATE (GstWaveFormSink, gst_waveform_sink, GstAudioSink,
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GST_TYPE_AUDIO_SINK);
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static void
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gst_waveform_sink_base_init (gpointer g_class)
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{
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GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
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gst_element_class_set_details (element_class, &gst_waveform_sink_details);
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&waveformsink_sink_factory));
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}
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static void
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gst_waveform_sink_class_init (GstWaveFormSinkClass * klass)
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{
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GObjectClass *gobject_class;
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GstElementClass *gstelement_class;
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GstBaseSinkClass *gstbasesink_class;
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GstBaseAudioSinkClass *gstbaseaudiosink_class;
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GstAudioSinkClass *gstaudiosink_class;
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gobject_class = (GObjectClass *) klass;
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gstelement_class = (GstElementClass *) klass;
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gstbasesink_class = (GstBaseSinkClass *) klass;
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gstbaseaudiosink_class = (GstBaseAudioSinkClass *) klass;
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gstaudiosink_class = (GstAudioSinkClass *) klass;
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parent_class = g_type_class_peek_parent (klass);
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gobject_class->finalize = GST_DEBUG_FUNCPTR (gst_waveform_sink_finalise);
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gobject_class->get_property =
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GST_DEBUG_FUNCPTR (gst_waveform_sink_get_property);
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gobject_class->set_property =
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GST_DEBUG_FUNCPTR (gst_waveform_sink_set_property);
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gstbasesink_class->get_caps = GST_DEBUG_FUNCPTR (gst_waveform_sink_getcaps);
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gstaudiosink_class->prepare = GST_DEBUG_FUNCPTR (gst_waveform_sink_prepare);
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gstaudiosink_class->unprepare =
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GST_DEBUG_FUNCPTR (gst_waveform_sink_unprepare);
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gstaudiosink_class->open = GST_DEBUG_FUNCPTR (gst_waveform_sink_open);
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gstaudiosink_class->close = GST_DEBUG_FUNCPTR (gst_waveform_sink_close);
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gstaudiosink_class->write = GST_DEBUG_FUNCPTR (gst_waveform_sink_write);
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gstaudiosink_class->delay = GST_DEBUG_FUNCPTR (gst_waveform_sink_delay);
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gstaudiosink_class->reset = GST_DEBUG_FUNCPTR (gst_waveform_sink_reset);
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GST_DEBUG_CATEGORY_INIT (waveformsink_debug, "waveformsink", 0,
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"Waveform sink");
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}
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static void
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gst_waveform_sink_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec)
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{
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GstWaveFormSink *wfsink = GST_WAVEFORM_SINK (object);
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switch (prop_id) {
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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gst_waveform_sink_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec)
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{
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GstWaveFormSink *wfsink = GST_WAVEFORM_SINK (object);
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switch (prop_id) {
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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gst_waveform_sink_init (GstWaveFormSink * wfsink,
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GstWaveFormSinkClass * g_class)
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{
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/* initialize members */
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wfsink->hwaveout = NULL;
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wfsink->cached_caps = NULL;
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wfsink->wave_buffers = NULL;
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wfsink->write_buffer = 0;
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wfsink->buffer_count = BUFFER_COUNT;
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wfsink->buffer_size = BUFFER_SIZE;
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wfsink->free_buffers_count = wfsink->buffer_count;
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wfsink->bytes_in_queue = 0;
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InitializeCriticalSection (&wfsink->critic_wave);
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}
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static void
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gst_waveform_sink_finalise (GObject * object)
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{
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GstWaveFormSink *wfsink = GST_WAVEFORM_SINK (object);
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if (wfsink->cached_caps) {
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gst_caps_unref (wfsink->cached_caps);
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wfsink->cached_caps = NULL;
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}
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DeleteCriticalSection (&wfsink->critic_wave);
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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static GstCaps *
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gst_waveform_sink_getcaps (GstBaseSink * bsink)
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{
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GstWaveFormSink *wfsink = GST_WAVEFORM_SINK (bsink);
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MMRESULT mmresult;
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WAVEOUTCAPS wocaps;
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GstCaps *caps, *caps_temp;
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/* return the cached caps if already defined */
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if (wfsink->cached_caps) {
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return gst_caps_ref (wfsink->cached_caps);
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}
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/* get the default device caps */
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mmresult = waveOutGetDevCaps (WAVE_MAPPER, &wocaps, sizeof (wocaps));
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if (mmresult != MMSYSERR_NOERROR) {
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waveOutGetErrorText (mmresult, wfsink->error_string, ERROR_LENGTH - 1);
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GST_ELEMENT_ERROR (wfsink, RESOURCE, SETTINGS,
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("gst_waveform_sink_getcaps: waveOutGetDevCaps failed error=>%s",
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wfsink->error_string), (NULL));
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return NULL;
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}
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caps = gst_caps_new_empty ();
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/* create a caps for all wave formats supported by the device
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starting by the best quality format */
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if (wocaps.dwFormats & WAVE_FORMAT_96S16) {
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caps_temp = gst_waveform_sink_create_caps (96000, 2, 16);
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if (caps_temp) {
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gst_caps_append (caps, caps_temp);
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}
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}
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if (wocaps.dwFormats & WAVE_FORMAT_96S08) {
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caps_temp = gst_waveform_sink_create_caps (96000, 2, 8);
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if (caps_temp) {
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gst_caps_append (caps, caps_temp);
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}
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}
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if (wocaps.dwFormats & WAVE_FORMAT_96M16) {
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caps_temp = gst_waveform_sink_create_caps (96000, 1, 16);
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if (caps_temp) {
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gst_caps_append (caps, caps_temp);
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}
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}
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if (wocaps.dwFormats & WAVE_FORMAT_96M08) {
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||||
caps_temp = gst_waveform_sink_create_caps (96000, 1, 8);
|
||||
if (caps_temp) {
|
||||
gst_caps_append (caps, caps_temp);
|
||||
}
|
||||
}
|
||||
if (wocaps.dwFormats & WAVE_FORMAT_4S16) {
|
||||
caps_temp = gst_waveform_sink_create_caps (44100, 2, 16);
|
||||
if (caps_temp) {
|
||||
gst_caps_append (caps, caps_temp);
|
||||
}
|
||||
}
|
||||
if (wocaps.dwFormats & WAVE_FORMAT_4S08) {
|
||||
caps_temp = gst_waveform_sink_create_caps (44100, 2, 8);
|
||||
if (caps_temp) {
|
||||
gst_caps_append (caps, caps_temp);
|
||||
}
|
||||
}
|
||||
if (wocaps.dwFormats & WAVE_FORMAT_4M16) {
|
||||
caps_temp = gst_waveform_sink_create_caps (44100, 1, 16);
|
||||
if (caps_temp) {
|
||||
gst_caps_append (caps, caps_temp);
|
||||
}
|
||||
}
|
||||
if (wocaps.dwFormats & WAVE_FORMAT_4M08) {
|
||||
caps_temp = gst_waveform_sink_create_caps (44100, 1, 8);
|
||||
if (caps_temp) {
|
||||
gst_caps_append (caps, caps_temp);
|
||||
}
|
||||
}
|
||||
if (wocaps.dwFormats & WAVE_FORMAT_2S16) {
|
||||
caps_temp = gst_waveform_sink_create_caps (22050, 2, 16);
|
||||
if (caps_temp) {
|
||||
gst_caps_append (caps, caps_temp);
|
||||
}
|
||||
}
|
||||
if (wocaps.dwFormats & WAVE_FORMAT_2S08) {
|
||||
caps_temp = gst_waveform_sink_create_caps (22050, 2, 8);
|
||||
if (caps_temp) {
|
||||
gst_caps_append (caps, caps_temp);
|
||||
}
|
||||
}
|
||||
if (wocaps.dwFormats & WAVE_FORMAT_2M16) {
|
||||
caps_temp = gst_waveform_sink_create_caps (22050, 1, 16);
|
||||
if (caps_temp) {
|
||||
gst_caps_append (caps, caps_temp);
|
||||
}
|
||||
}
|
||||
if (wocaps.dwFormats & WAVE_FORMAT_2M08) {
|
||||
caps_temp = gst_waveform_sink_create_caps (22050, 1, 8);
|
||||
if (caps_temp) {
|
||||
gst_caps_append (caps, caps_temp);
|
||||
}
|
||||
}
|
||||
if (wocaps.dwFormats & WAVE_FORMAT_1S16) {
|
||||
caps_temp = gst_waveform_sink_create_caps (11025, 2, 16);
|
||||
if (caps_temp) {
|
||||
gst_caps_append (caps, caps_temp);
|
||||
}
|
||||
}
|
||||
if (wocaps.dwFormats & WAVE_FORMAT_1S08) {
|
||||
caps_temp = gst_waveform_sink_create_caps (11025, 2, 8);
|
||||
if (caps_temp) {
|
||||
gst_caps_append (caps, caps_temp);
|
||||
}
|
||||
}
|
||||
if (wocaps.dwFormats & WAVE_FORMAT_1M16) {
|
||||
caps_temp = gst_waveform_sink_create_caps (11025, 1, 16);
|
||||
if (caps_temp) {
|
||||
gst_caps_append (caps, caps_temp);
|
||||
}
|
||||
}
|
||||
if (wocaps.dwFormats & WAVE_FORMAT_1M08) {
|
||||
caps_temp = gst_waveform_sink_create_caps (11025, 1, 8);
|
||||
if (caps_temp) {
|
||||
gst_caps_append (caps, caps_temp);
|
||||
}
|
||||
}
|
||||
|
||||
if (gst_caps_is_empty (caps)) {
|
||||
gst_caps_unref (caps);
|
||||
caps = NULL;
|
||||
} else {
|
||||
wfsink->cached_caps = gst_caps_ref (caps);
|
||||
}
|
||||
|
||||
GST_CAT_LOG_OBJECT (waveformsink_debug, wfsink, "Returning caps %s",
|
||||
gst_caps_to_string (caps));
|
||||
|
||||
return caps;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
gst_waveform_sink_open (GstAudioSink * asink)
|
||||
{
|
||||
GstWaveFormSink *wfsink = GST_WAVEFORM_SINK (asink);
|
||||
|
||||
/* nothing to do here as the device needs to be opened with the format we will use */
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
gst_waveform_sink_prepare (GstAudioSink * asink, GstRingBufferSpec * spec)
|
||||
{
|
||||
GstWaveFormSink *wfsink = GST_WAVEFORM_SINK (asink);
|
||||
WAVEFORMATEX wfx;
|
||||
MMRESULT mmresult;
|
||||
guint index;
|
||||
|
||||
/* setup waveformex struture with the input ringbuffer specs */
|
||||
memset (&wfx, 0, sizeof (wfx));
|
||||
wfx.cbSize = 0;
|
||||
wfx.wFormatTag = WAVE_FORMAT_PCM;
|
||||
wfx.nChannels = spec->channels;
|
||||
wfx.nSamplesPerSec = spec->rate;
|
||||
wfx.wBitsPerSample = (spec->bytes_per_sample * 8) / wfx.nChannels;
|
||||
wfx.nBlockAlign = spec->bytes_per_sample;
|
||||
wfx.nAvgBytesPerSec = wfx.nSamplesPerSec * wfx.nBlockAlign;
|
||||
|
||||
/* save bytes per sample to use it in delay */
|
||||
wfsink->bytes_per_sample = spec->bytes_per_sample;
|
||||
|
||||
/* open the default audio device with the given caps */
|
||||
mmresult = waveOutOpen (&wfsink->hwaveout, WAVE_MAPPER,
|
||||
&wfx, (DWORD) waveOutProc, (DWORD) wfsink, CALLBACK_FUNCTION);
|
||||
if (mmresult != MMSYSERR_NOERROR) {
|
||||
waveOutGetErrorText (mmresult, wfsink->error_string, ERROR_LENGTH - 1);
|
||||
GST_ELEMENT_ERROR (wfsink, RESOURCE, OPEN_WRITE,
|
||||
("gst_waveform_sink_prepare: waveOutOpen failed error=>%s",
|
||||
wfsink->error_string), (NULL));
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
/* evaluate the buffer size and the number of buffers needed */
|
||||
wfsink->free_buffers_count = wfsink->buffer_count;
|
||||
|
||||
/* allocate wave buffers */
|
||||
wfsink->wave_buffers = (WAVEHDR *) g_new0 (WAVEHDR, wfsink->buffer_count);
|
||||
if (!wfsink->wave_buffers) {
|
||||
GST_ELEMENT_ERROR (wfsink, RESOURCE, OPEN_WRITE,
|
||||
("gst_waveform_sink_prepare: Failed to allocate wave buffer headers (buffer count=%d)",
|
||||
wfsink->buffer_count), (NULL));
|
||||
return FALSE;
|
||||
}
|
||||
memset (wfsink->wave_buffers, 0, sizeof (WAVEHDR) * wfsink->buffer_count);
|
||||
|
||||
/* setup headers */
|
||||
for (index = 0; index < wfsink->buffer_count; index++) {
|
||||
wfsink->wave_buffers[index].dwBufferLength = wfsink->buffer_size;
|
||||
wfsink->wave_buffers[index].lpData = g_new0 (gchar, wfsink->buffer_size);
|
||||
}
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
gst_waveform_sink_unprepare (GstAudioSink * asink)
|
||||
{
|
||||
GstWaveFormSink *wfsink = GST_WAVEFORM_SINK (asink);
|
||||
|
||||
/* free wave buffers */
|
||||
if (wfsink->wave_buffers) {
|
||||
guint index;
|
||||
|
||||
for (index = 0; index < wfsink->buffer_count; index++) {
|
||||
if (wfsink->wave_buffers[index].dwFlags & WHDR_PREPARED) {
|
||||
MMRESULT mmresult =
|
||||
waveOutUnprepareHeader (wfsink->hwaveout,
|
||||
&wfsink->wave_buffers[index], sizeof (WAVEHDR));
|
||||
if (mmresult != MMSYSERR_NOERROR) {
|
||||
waveOutGetErrorText (mmresult, wfsink->error_string,
|
||||
ERROR_LENGTH - 1);
|
||||
GST_CAT_WARNING_OBJECT (waveformsink_debug, wfsink,
|
||||
"gst_waveform_sink_unprepare: Error unpreparing buffer => %s",
|
||||
wfsink->error_string);
|
||||
}
|
||||
}
|
||||
g_free (wfsink->wave_buffers[index].lpData);
|
||||
}
|
||||
g_free (wfsink->wave_buffers);
|
||||
wfsink->wave_buffers = NULL;
|
||||
}
|
||||
|
||||
/* close waveform-audio output device */
|
||||
if (wfsink->hwaveout) {
|
||||
waveOutClose (wfsink->hwaveout);
|
||||
wfsink->hwaveout = NULL;
|
||||
}
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
gst_waveform_sink_close (GstAudioSink * asink)
|
||||
{
|
||||
GstWaveFormSink *wfsink = GST_WAVEFORM_SINK (asink);
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
static guint
|
||||
gst_waveform_sink_write (GstAudioSink * asink, gpointer data, guint length)
|
||||
{
|
||||
GstWaveFormSink *wfsink = GST_WAVEFORM_SINK (asink);
|
||||
WAVEHDR *waveheader;
|
||||
MMRESULT mmresult;
|
||||
guint bytes_to_write = length;
|
||||
guint remaining_length = length;
|
||||
|
||||
wfsink->bytes_in_queue += length;
|
||||
|
||||
while (remaining_length > 0) {
|
||||
if (wfsink->free_buffers_count == 0) {
|
||||
/* no free buffer available, wait for one */
|
||||
Sleep (10);
|
||||
continue;
|
||||
}
|
||||
|
||||
/* get the current write buffer header */
|
||||
waveheader = &wfsink->wave_buffers[wfsink->write_buffer];
|
||||
|
||||
/* unprepare the header if needed */
|
||||
if (waveheader->dwFlags & WHDR_PREPARED) {
|
||||
mmresult =
|
||||
waveOutUnprepareHeader (wfsink->hwaveout, waveheader,
|
||||
sizeof (WAVEHDR));
|
||||
if (mmresult != MMSYSERR_NOERROR) {
|
||||
waveOutGetErrorText (mmresult, wfsink->error_string, ERROR_LENGTH - 1);
|
||||
GST_CAT_WARNING_OBJECT (waveformsink_debug, wfsink,
|
||||
"Error unpreparing buffer => %s", wfsink->error_string);
|
||||
}
|
||||
}
|
||||
|
||||
if (wfsink->buffer_size - waveheader->dwUser >= remaining_length)
|
||||
bytes_to_write = remaining_length;
|
||||
else
|
||||
bytes_to_write = wfsink->buffer_size - waveheader->dwUser;
|
||||
|
||||
memcpy (waveheader->lpData + waveheader->dwUser, data, bytes_to_write);
|
||||
waveheader->dwUser += bytes_to_write;
|
||||
remaining_length -= bytes_to_write;
|
||||
data = (byte *) data + bytes_to_write;
|
||||
|
||||
if (waveheader->dwUser == wfsink->buffer_size) {
|
||||
/* we have filled a buffer, let's prepare it and next write it to the device */
|
||||
mmresult =
|
||||
waveOutPrepareHeader (wfsink->hwaveout, waveheader, sizeof (WAVEHDR));
|
||||
if (mmresult != MMSYSERR_NOERROR) {
|
||||
waveOutGetErrorText (mmresult, wfsink->error_string, ERROR_LENGTH - 1);
|
||||
GST_CAT_WARNING_OBJECT (waveformsink_debug, wfsink,
|
||||
"gst_waveform_sink_write: Error preparing header => %s",
|
||||
wfsink->error_string);
|
||||
}
|
||||
mmresult = waveOutWrite (wfsink->hwaveout, waveheader, sizeof (WAVEHDR));
|
||||
if (mmresult != MMSYSERR_NOERROR) {
|
||||
waveOutGetErrorText (mmresult, wfsink->error_string, ERROR_LENGTH - 1);
|
||||
GST_CAT_WARNING_OBJECT (waveformsink_debug, wfsink,
|
||||
"gst_waveform_sink_write: Error writting buffer to the device => %s",
|
||||
wfsink->error_string);
|
||||
}
|
||||
|
||||
EnterCriticalSection (&wfsink->critic_wave);
|
||||
wfsink->free_buffers_count--;
|
||||
LeaveCriticalSection (&wfsink->critic_wave);
|
||||
|
||||
wfsink->write_buffer++;
|
||||
wfsink->write_buffer %= wfsink->buffer_count;
|
||||
waveheader->dwUser = 0;
|
||||
wfsink->bytes_in_queue = 0;
|
||||
GST_CAT_LOG_OBJECT (waveformsink_debug, wfsink,
|
||||
"gst_waveform_sink_write: Writting a buffer to the device (free buffers remaining=%d, write buffer=%d)",
|
||||
wfsink->free_buffers_count, wfsink->write_buffer);
|
||||
}
|
||||
}
|
||||
|
||||
return length;
|
||||
}
|
||||
|
||||
static guint
|
||||
gst_waveform_sink_delay (GstAudioSink * asink)
|
||||
{
|
||||
/* return the number of samples in queue (device+internal queue) */
|
||||
GstWaveFormSink *wfsink = GST_WAVEFORM_SINK (asink);
|
||||
guint bytes_in_device =
|
||||
(wfsink->buffer_count - wfsink->free_buffers_count) * wfsink->buffer_size;
|
||||
guint delay =
|
||||
(bytes_in_device + wfsink->bytes_in_queue) / wfsink->bytes_per_sample;
|
||||
return delay;
|
||||
}
|
||||
|
||||
static void
|
||||
gst_waveform_sink_reset (GstAudioSink * asink)
|
||||
{
|
||||
GstWaveFormSink *wfsink = GST_WAVEFORM_SINK (asink);
|
||||
MMRESULT mmresult = waveOutReset (wfsink->hwaveout);
|
||||
|
||||
if (mmresult != MMSYSERR_NOERROR) {
|
||||
waveOutGetErrorText (mmresult, wfsink->error_string, ERROR_LENGTH - 1);
|
||||
GST_CAT_WARNING_OBJECT (waveformsink_debug, wfsink,
|
||||
"gst_waveform_sink_reset: Error reseting waveform-audio device => %s",
|
||||
wfsink->error_string);
|
||||
}
|
||||
}
|
||||
|
||||
GstCaps *
|
||||
gst_waveform_sink_create_caps (gint rate, gint channels, gint bits_per_sample)
|
||||
{
|
||||
GstCaps *caps = NULL;
|
||||
|
||||
caps = gst_caps_new_simple ("audio/x-raw-int",
|
||||
"width", G_TYPE_INT, bits_per_sample,
|
||||
"depth", G_TYPE_INT, bits_per_sample,
|
||||
"endianness", G_TYPE_INT, G_BYTE_ORDER,
|
||||
"signed", G_TYPE_BOOLEAN, TRUE,
|
||||
"channels", G_TYPE_INT, channels, "rate", G_TYPE_INT, rate, NULL);
|
||||
return caps;
|
||||
}
|
||||
|
||||
void CALLBACK
|
||||
waveOutProc (HWAVEOUT hwo,
|
||||
UINT uMsg, unsigned long dwInstance, DWORD dwParam1, DWORD dwParam2)
|
||||
{
|
||||
GstWaveFormSink *wfsink = (GstWaveFormSink *) dwInstance;
|
||||
|
||||
if (uMsg == WOM_DONE) {
|
||||
EnterCriticalSection (&wfsink->critic_wave);
|
||||
wfsink->free_buffers_count++;
|
||||
LeaveCriticalSection (&wfsink->critic_wave);
|
||||
}
|
||||
}
|
||||
96
sys/waveform/gstwaveformsink.h
Normal file
96
sys/waveform/gstwaveformsink.h
Normal file
|
|
@ -0,0 +1,96 @@
|
|||
/* GStreamer
|
||||
* Copyright (C) 2005 Sebastien Moutte <sebastien@moutte.net>
|
||||
*
|
||||
* gstwaveformsink.h:
|
||||
*
|
||||
* 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.
|
||||
*/
|
||||
|
||||
#ifndef __GST_WAVEFORMSINK_H__
|
||||
#define __GST_WAVEFORMSINK_H__
|
||||
|
||||
#include <gst/gst.h>
|
||||
#include <gst/audio/gstaudiosink.h>
|
||||
|
||||
#include <windows.h>
|
||||
#include <mmsystem.h>
|
||||
|
||||
#define WAVE_FORMAT_96M08 0x00001000 /* 96 kHz, Mono, 8-bit */
|
||||
#define WAVE_FORMAT_96S08 0x00002000 /* 96 kHz, Stereo, 8-bit */
|
||||
#define WAVE_FORMAT_96M16 0x00004000 /* 96 kHz, Mono, 16-bit */
|
||||
#define WAVE_FORMAT_96S16 0x00008000 /* 96 kHz, Stereo, 16-bit */
|
||||
|
||||
#define ERROR_LENGTH MAXERRORLENGTH+50
|
||||
#define BUFFER_COUNT 20
|
||||
#define BUFFER_SIZE 8192
|
||||
|
||||
G_BEGIN_DECLS
|
||||
#define GST_TYPE_WAVEFORM_SINK (gst_waveform_sink_get_type())
|
||||
#define GST_WAVEFORM_SINK(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_WAVEFORM_SINK,GstWaveFormSink))
|
||||
#define GST_WAVEFORM_SINK_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_WAVEFORM_SINK,GstWaveFormSinkClass))
|
||||
#define GST_IS_WAVEFORM_SINK(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_WAVEFORM_SINK))
|
||||
#define GST_IS_WAVEFORM_SINK_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_WAVEFORM_SINK))
|
||||
typedef struct _GstWaveFormSink GstWaveFormSink;
|
||||
typedef struct _GstWaveFormSinkClass GstWaveFormSinkClass;
|
||||
|
||||
struct _GstWaveFormSink
|
||||
{
|
||||
/* parent object */
|
||||
GstAudioSink sink;
|
||||
|
||||
/* supported caps */
|
||||
GstCaps *cached_caps;
|
||||
|
||||
/* handle to the waveform-audio output device */
|
||||
HWAVEOUT hwaveout;
|
||||
|
||||
/* table of buffer headers */
|
||||
WAVEHDR *wave_buffers;
|
||||
|
||||
/* critical section protecting access to the number of free buffers */
|
||||
CRITICAL_SECTION critic_wave;
|
||||
|
||||
/* number of free buffers available */
|
||||
guint free_buffers_count;
|
||||
|
||||
/* current free buffer where you have to write incoming data */
|
||||
guint write_buffer;
|
||||
|
||||
/* size of buffers streamed to the device */
|
||||
guint buffer_size;
|
||||
|
||||
/* number of buffers streamed to the device */
|
||||
guint buffer_count;
|
||||
|
||||
/* total of bytes in queue before they are written to the device */
|
||||
guint bytes_in_queue;
|
||||
|
||||
/* bytes per sample from setcaps used to evaluate the number samples returned by delay */
|
||||
guint bytes_per_sample;
|
||||
|
||||
/* wave form error string */
|
||||
gchar error_string[ERROR_LENGTH];
|
||||
};
|
||||
|
||||
struct _GstWaveFormSinkClass
|
||||
{
|
||||
GstAudioSinkClass parent_class;
|
||||
};
|
||||
|
||||
GType gst_waveform_sink_get_type (void);
|
||||
|
||||
G_END_DECLS
|
||||
#endif /* __GST_WAVEFORMSINK_H__ */
|
||||
|
|
@ -6,6 +6,7 @@ win32/vs6/libgstdirectdraw.dsp
|
|||
win32/vs6/libgstdirectsound.dsp
|
||||
win32/vs6/libgstneon.dsp
|
||||
win32/vs6/libgstqtdemux.dsp
|
||||
win32/vs6/libgstwaveform.dsp
|
||||
win32/vs7/gst-plugins-bad.sln
|
||||
win32/vs7/libgstdirectdraw.vcproj
|
||||
win32/vs7/libgstdirectsound.vcproj
|
||||
|
|
|
|||
126
win32/vs6/libgstwaveform.dsp
Normal file
126
win32/vs6/libgstwaveform.dsp
Normal file
|
|
@ -0,0 +1,126 @@
|
|||
# Microsoft Developer Studio Project File - Name="libgstwaveform" - Package Owner=<4>
|
||||
# Microsoft Developer Studio Generated Build File, Format Version 6.00
|
||||
# ** DO NOT EDIT **
|
||||
|
||||
# TARGTYPE "Win32 (x86) Dynamic-Link Library" 0x0102
|
||||
|
||||
CFG=libgstwaveform - Win32 Debug
|
||||
!MESSAGE This is not a valid makefile. To build this project using NMAKE,
|
||||
!MESSAGE use the Export Makefile command and run
|
||||
!MESSAGE
|
||||
!MESSAGE NMAKE /f "libgstwaveform.mak".
|
||||
!MESSAGE
|
||||
!MESSAGE You can specify a configuration when running NMAKE
|
||||
!MESSAGE by defining the macro CFG on the command line. For example:
|
||||
!MESSAGE
|
||||
!MESSAGE NMAKE /f "libgstwaveform.mak" CFG="libgstwaveform - Win32 Debug"
|
||||
!MESSAGE
|
||||
!MESSAGE Possible choices for configuration are:
|
||||
!MESSAGE
|
||||
!MESSAGE "libgstwaveform - Win32 Release" (based on "Win32 (x86) Dynamic-Link Library")
|
||||
!MESSAGE "libgstwaveform - Win32 Debug" (based on "Win32 (x86) Dynamic-Link Library")
|
||||
!MESSAGE
|
||||
|
||||
# Begin Project
|
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# PROP AllowPerConfigDependencies 0
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||||
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|
||||
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|
||||
CPP=cl.exe
|
||||
MTL=midl.exe
|
||||
RSC=rc.exe
|
||||
|
||||
!IF "$(CFG)" == "libgstwaveform - Win32 Release"
|
||||
|
||||
# PROP BASE Use_MFC 0
|
||||
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||||
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||||
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||||
# ADD BASE CPP /nologo /MT /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /D "_MBCS" /D "_USRDLL" /D "LIBGSTWAVEFORM_EXPORTS" /YX /FD /c
|
||||
# ADD CPP /nologo /MD /W3 /O2 /I "../.." /I "../../gst-libs" /I "../../../gstreamer" /I "../common" /I "../../../gstreamer/libs" /I "../../../gst-plugins-base/gst-libs" /D "NDEBUG" /D "WIN32" /D "_WINDOWS" /D "_MBCS" /D "_USRDLL" /D "LIBGSTWAVEFORM_EXPORTS" /D "HAVE_CONFIG_H" /YX /FD /c
|
||||
# ADD BASE MTL /nologo /D "NDEBUG" /mktyplib203 /win32
|
||||
# ADD MTL /nologo /D "NDEBUG" /mktyplib203 /win32
|
||||
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||||
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||||
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|
||||
# ADD BASE BSC32 /nologo
|
||||
# ADD BSC32 /nologo
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||||
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# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /dll /machine:I386
|
||||
# ADD LINK32 glib-2.0.lib gobject-2.0.lib Winmm.lib libgstaudio-0.10.lib libgstreamer-0.10.lib libgstbase-0.10.lib /nologo /dll /machine:I386 /libpath:"../../../gstreamer/win32/vs6/release" /libpath:"../../../gst-plugins-base/win32/vs6/release" /libpath:"./release"
|
||||
# Begin Special Build Tool
|
||||
TargetPath=.\Release\libgstwaveform.dll
|
||||
SOURCE="$(InputPath)"
|
||||
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|
||||
# End Special Build Tool
|
||||
|
||||
!ELSEIF "$(CFG)" == "libgstwaveform - Win32 Debug"
|
||||
|
||||
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|
||||
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|
||||
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||||
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||||
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||||
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||||
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||||
# PROP Target_Dir ""
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||||
# ADD BASE CPP /nologo /MTd /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /D "_MBCS" /D "_USRDLL" /D "LIBGSTWAVEFORM_EXPORTS" /YX /FD /GZ /c
|
||||
# ADD CPP /nologo /MDd /W3 /Gm /ZI /Od /I "../../gst-libs" /I "../../../gstreamer" /I "../common" /I "../../../gstreamer/libs" /I "../../../gst-plugins-base/gst-libs" /D "_DEBUG" /D "WIN32" /D "_WINDOWS" /D "_MBCS" /D "_USRDLL" /D "LIBGSTWAVEFORM_EXPORTS" /D "HAVE_CONFIG_H" /FR /YX /FD /GZ /c
|
||||
# ADD BASE MTL /nologo /D "_DEBUG" /mktyplib203 /win32
|
||||
# ADD MTL /nologo /D "_DEBUG" /mktyplib203 /win32
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# ADD BASE RSC /l 0x40c /d "_DEBUG"
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||||
# ADD RSC /l 0x40c /d "_DEBUG"
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||||
BSC32=bscmake.exe
|
||||
# ADD BASE BSC32 /nologo
|
||||
# ADD BSC32 /nologo
|
||||
LINK32=link.exe
|
||||
# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /dll /debug /machine:I386 /pdbtype:sept
|
||||
# ADD LINK32 glib-2.0D.lib gobject-2.0D.lib Winmm.lib libgstaudio-0.10.lib libgstreamer-0.10.lib libgstbase-0.10.lib /nologo /dll /debug /machine:I386 /pdbtype:sept /libpath:"../../../gstreamer/win32/vs6/debug" /libpath:"../../../gst-plugins-base/win32/vs6/debug" /libpath:"./debug"
|
||||
# SUBTRACT LINK32 /incremental:no
|
||||
# Begin Special Build Tool
|
||||
TargetPath=.\Debug\libgstwaveform.dll
|
||||
SOURCE="$(InputPath)"
|
||||
PostBuild_Cmds=copy /Y $(TargetPath) c:\gstreamer\debug\lib\gstreamer-0.10
|
||||
# End Special Build Tool
|
||||
|
||||
!ENDIF
|
||||
|
||||
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|
||||
|
||||
# Name "libgstwaveform - Win32 Release"
|
||||
# Name "libgstwaveform - Win32 Debug"
|
||||
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|
||||
|
||||
# PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat"
|
||||
# Begin Source File
|
||||
|
||||
SOURCE=..\..\sys\waveform\gstwaveformplugin.c
|
||||
# End Source File
|
||||
# Begin Source File
|
||||
|
||||
SOURCE=..\..\sys\waveform\gstwaveformsink.c
|
||||
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|
||||
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|
||||
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|
||||
|
||||
# PROP Default_Filter "h;hpp;hxx;hm;inl"
|
||||
# Begin Source File
|
||||
|
||||
SOURCE=..\..\sys\waveform\gstwaveformsink.h
|
||||
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|
||||
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|
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|
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|
||||
# PROP Default_Filter "ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe"
|
||||
# End Group
|
||||
# End Target
|
||||
# End Project
|
||||
Loading…
Reference in a new issue