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-rw-r--r--gst-libs/gst/audio/gstaudiofilter.c313
1 files changed, 0 insertions, 313 deletions
diff --git a/gst-libs/gst/audio/gstaudiofilter.c b/gst-libs/gst/audio/gstaudiofilter.c
deleted file mode 100644
index 70ae6bf9..00000000
--- a/gst-libs/gst/audio/gstaudiofilter.c
+++ /dev/null
@@ -1,313 +0,0 @@
-/* GStreamer
- * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
- * Copyright (C) <2003> David Schleef <ds@schleef.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
-
-/*#define DEBUG_ENABLED */
-#include "gstaudiofilter.h"
-
-#include <string.h>
-
-
-/* GstAudiofilter signals and args */
-enum
-{
- /* FILL ME */
- LAST_SIGNAL
-};
-
-enum
-{
- ARG_0,
- ARG_METHOD
- /* FILL ME */
-};
-
-static void gst_audiofilter_base_init (gpointer g_class);
-static void gst_audiofilter_class_init (gpointer g_class, gpointer class_data);
-static void gst_audiofilter_init (GTypeInstance * instance, gpointer g_class);
-
-static void gst_audiofilter_set_property (GObject * object, guint prop_id,
- const GValue * value, GParamSpec * pspec);
-static void gst_audiofilter_get_property (GObject * object, guint prop_id,
- GValue * value, GParamSpec * pspec);
-
-static void gst_audiofilter_chain (GstPad * pad, GstData * _data);
-GstCaps *gst_audiofilter_class_get_capslist (GstAudiofilterClass * klass);
-
-static GstElementClass *parent_class = NULL;
-
-GType
-gst_audiofilter_get_type (void)
-{
- static GType audiofilter_type = 0;
-
- if (!audiofilter_type) {
- static const GTypeInfo audiofilter_info = {
- sizeof (GstAudiofilterClass),
- gst_audiofilter_base_init,
- NULL,
- gst_audiofilter_class_init,
- NULL,
- NULL,
- sizeof (GstAudiofilter),
- 0,
- gst_audiofilter_init,
- };
-
- audiofilter_type = g_type_register_static (GST_TYPE_ELEMENT,
- "GstAudiofilter", &audiofilter_info, G_TYPE_FLAG_ABSTRACT);
- }
- return audiofilter_type;
-}
-
-static void
-gst_audiofilter_base_init (gpointer g_class)
-{
- static GstElementDetails audiofilter_details = {
- "Audio filter base class",
- "Filter/Effect/Audio",
- "Filters audio",
- "David Schleef <ds@schleef.org>"
- };
- GstAudiofilterClass *klass = (GstAudiofilterClass *) g_class;
- GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
-
- gst_element_class_set_details (element_class, &audiofilter_details);
-}
-
-static void
-gst_audiofilter_class_init (gpointer g_class, gpointer class_data)
-{
- GObjectClass *gobject_class;
- GstElementClass *gstelement_class;
- GstAudiofilterClass *klass;
-
- klass = (GstAudiofilterClass *) g_class;
- gobject_class = (GObjectClass *) klass;
- gstelement_class = (GstElementClass *) klass;
-
- parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
-
- gobject_class->set_property = gst_audiofilter_set_property;
- gobject_class->get_property = gst_audiofilter_get_property;
-}
-
-static GstPadLinkReturn
-gst_audiofilter_link (GstPad * pad, const GstCaps * caps)
-{
- GstAudiofilter *audiofilter;
- GstPadLinkReturn ret;
- GstPadLinkReturn link_ret;
- GstStructure *structure;
- GstAudiofilterClass *audiofilter_class;
-
- GST_DEBUG ("gst_audiofilter_link");
- audiofilter = GST_AUDIOFILTER (gst_pad_get_parent (pad));
- audiofilter_class = GST_AUDIOFILTER_CLASS (G_OBJECT_GET_CLASS (audiofilter));
-
- ret = GST_PAD_LINK_DELAYED; /* intialise with dummy value */
- if (pad == audiofilter->srcpad) {
- link_ret = gst_pad_try_set_caps (audiofilter->sinkpad, caps);
- } else {
- link_ret = gst_pad_try_set_caps (audiofilter->srcpad, caps);
- }
-
- if (GST_PAD_LINK_FAILED (link_ret)) {
- return link_ret;
- }
-
- structure = gst_caps_get_structure (caps, 0);
-
- if (strcmp (gst_structure_get_name (structure), "audio/x-raw-int") == 0) {
- ret = gst_structure_get_int (structure, "depth", &audiofilter->depth);
- ret &= gst_structure_get_int (structure, "width", &audiofilter->width);
- } else if (strcmp (gst_structure_get_name (structure), "audio/x-raw-float")
- == 0) {
- ret &= gst_structure_get_int (structure, "width", &audiofilter->width);
- } else {
- g_assert_not_reached ();
- }
- ret &= gst_structure_get_int (structure, "rate", &audiofilter->rate);
- ret &= gst_structure_get_int (structure, "channels", &audiofilter->channels);
-
- if (!ret)
- return GST_PAD_LINK_REFUSED;
-
- audiofilter->bytes_per_sample = (audiofilter->width / 8) *
- audiofilter->channels;
-
- if (audiofilter_class->setup)
- (audiofilter_class->setup) (audiofilter);
-
- return GST_PAD_LINK_OK;
-}
-
-static void
-gst_audiofilter_init (GTypeInstance * instance, gpointer g_class)
-{
- GstAudiofilter *audiofilter = GST_AUDIOFILTER (instance);
- GstPadTemplate *pad_template;
-
- GST_DEBUG ("gst_audiofilter_init");
-
- pad_template =
- gst_element_class_get_pad_template (GST_ELEMENT_CLASS (g_class), "sink");
- g_return_if_fail (pad_template != NULL);
- audiofilter->sinkpad = gst_pad_new_from_template (pad_template, "sink");
- gst_element_add_pad (GST_ELEMENT (audiofilter), audiofilter->sinkpad);
- gst_pad_set_chain_function (audiofilter->sinkpad, gst_audiofilter_chain);
- gst_pad_set_link_function (audiofilter->sinkpad, gst_audiofilter_link);
- gst_pad_set_getcaps_function (audiofilter->sinkpad, gst_pad_proxy_getcaps);
-
- pad_template =
- gst_element_class_get_pad_template (GST_ELEMENT_CLASS (g_class), "src");
- g_return_if_fail (pad_template != NULL);
- audiofilter->srcpad = gst_pad_new_from_template (pad_template, "src");
- gst_element_add_pad (GST_ELEMENT (audiofilter), audiofilter->srcpad);
- gst_pad_set_link_function (audiofilter->srcpad, gst_audiofilter_link);
- gst_pad_set_getcaps_function (audiofilter->srcpad, gst_pad_proxy_getcaps);
-
- audiofilter->inited = FALSE;
-}
-
-static void
-gst_audiofilter_chain (GstPad * pad, GstData * data)
-{
- GstBuffer *inbuf = GST_BUFFER (data);
- GstAudiofilter *audiofilter;
- GstBuffer *outbuf;
- GstAudiofilterClass *audiofilter_class;
-
- GST_DEBUG ("gst_audiofilter_chain");
-
- g_return_if_fail (pad != NULL);
- g_return_if_fail (GST_IS_PAD (pad));
- g_return_if_fail (inbuf != NULL);
-
- audiofilter = GST_AUDIOFILTER (gst_pad_get_parent (pad));
- //g_return_if_fail (audiofilter->inited);
- audiofilter_class = GST_AUDIOFILTER_CLASS (G_OBJECT_GET_CLASS (audiofilter));
-
- GST_DEBUG ("gst_audiofilter_chain: got buffer of %d bytes in '%s'",
- GST_BUFFER_SIZE (inbuf), GST_OBJECT_NAME (audiofilter));
-
- if (audiofilter->passthru) {
- gst_pad_push (audiofilter->srcpad, data);
- return;
- }
-
- audiofilter->size = GST_BUFFER_SIZE (inbuf);
- audiofilter->n_samples = audiofilter->size / audiofilter->bytes_per_sample;
-
- if (gst_data_is_writable (data)) {
- if (audiofilter_class->filter_inplace) {
- (audiofilter_class->filter_inplace) (audiofilter, inbuf);
- outbuf = inbuf;
- } else {
- outbuf = gst_buffer_new_and_alloc (GST_BUFFER_SIZE (inbuf));
- GST_BUFFER_DURATION (outbuf) = GST_BUFFER_DURATION (inbuf);
- GST_BUFFER_TIMESTAMP (outbuf) = GST_BUFFER_TIMESTAMP (inbuf);
-
- (audiofilter_class->filter) (audiofilter, outbuf, inbuf);
- gst_buffer_unref (inbuf);
- }
- } else {
- outbuf = gst_buffer_new_and_alloc (GST_BUFFER_SIZE (inbuf));
- GST_BUFFER_DURATION (outbuf) = GST_BUFFER_DURATION (inbuf);
- GST_BUFFER_TIMESTAMP (outbuf) = GST_BUFFER_TIMESTAMP (inbuf);
- if (audiofilter_class->filter) {
- (audiofilter_class->filter) (audiofilter, outbuf, inbuf);
- } else {
- memcpy (GST_BUFFER_DATA (outbuf), GST_BUFFER_DATA (inbuf),
- GST_BUFFER_SIZE (inbuf));
-
- (audiofilter_class->filter_inplace) (audiofilter, outbuf);
- }
- gst_buffer_unref (inbuf);
- }
-
- gst_pad_push (audiofilter->srcpad, GST_DATA (outbuf));
-}
-
-static void
-gst_audiofilter_set_property (GObject * object, guint prop_id,
- const GValue * value, GParamSpec * pspec)
-{
- GstAudiofilter *src;
-
- /* it's not null if we got it, but it might not be ours */
- g_return_if_fail (GST_IS_AUDIOFILTER (object));
- src = GST_AUDIOFILTER (object);
-
- GST_DEBUG ("gst_audiofilter_set_property");
- switch (prop_id) {
- default:
- break;
- }
-}
-
-static void
-gst_audiofilter_get_property (GObject * object, guint prop_id, GValue * value,
- GParamSpec * pspec)
-{
- GstAudiofilter *src;
-
- /* it's not null if we got it, but it might not be ours */
- g_return_if_fail (GST_IS_AUDIOFILTER (object));
- src = GST_AUDIOFILTER (object);
-
- switch (prop_id) {
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
- }
-}
-
-void
-gst_audiofilter_class_add_pad_templates (GstAudiofilterClass *
- audiofilter_class, const GstCaps * caps)
-{
- GstElementClass *element_class = GST_ELEMENT_CLASS (audiofilter_class);
-
- audiofilter_class->caps = gst_caps_copy (caps);
-
- gst_element_class_add_pad_template (element_class,
- gst_pad_template_new ("src", GST_PAD_SRC, GST_PAD_ALWAYS,
- gst_caps_copy (caps)));
-
- gst_element_class_add_pad_template (element_class,
- gst_pad_template_new ("sink", GST_PAD_SINK, GST_PAD_ALWAYS,
- gst_caps_copy (caps)));
-}
-
-static gboolean
-plugin_init (GstPlugin * plugin)
-{
- return TRUE;
-}
-
-GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
- GST_VERSION_MINOR,
- "gstaudiofilter",
- "Audio filter parent class",
- plugin_init, VERSION, "LGPL", GST_PACKAGE, GST_ORIGIN)
generated by cgit v1.2.1 (git 2.18.0) at 2024-09-02 21:52:03 +0000