diff options
-rw-r--r-- | ChangeLog | 27 | ||||
-rw-r--r-- | docs/plugins/Makefile.am | 1 | ||||
-rw-r--r-- | docs/plugins/gst-plugins-good-plugins-docs.sgml | 1 | ||||
-rw-r--r-- | docs/plugins/gst-plugins-good-plugins-sections.txt | 10 | ||||
-rw-r--r-- | docs/plugins/gst-plugins-good-plugins.args | 10 | ||||
-rw-r--r-- | docs/plugins/inspect/plugin-audiofx.xml | 7 | ||||
-rw-r--r-- | gst/audiofx/Makefile.am | 6 | ||||
-rw-r--r-- | gst/audiofx/audiofx.c | 7 | ||||
-rw-r--r-- | gst/audiofx/audioinvert.c | 278 | ||||
-rw-r--r-- | gst/audiofx/audioinvert.h | 60 | ||||
-rw-r--r-- | tests/check/Makefile.am | 1 | ||||
-rw-r--r-- | tests/check/elements/audioinvert.c | 286 |
12 files changed, 690 insertions, 4 deletions
@@ -1,3 +1,30 @@ +2007-01-23 Sebastian Dröge <slomo@circular-chaos.org> + + reviewed by: Stefan Kost <ensonic@users.sf.net> + + * gst/audiofx/Makefile.am: + * gst/audiofx/audiofx.c: (plugin_init): + * gst/audiofx/audioinvert.c: (gst_audio_invert_base_init), + (gst_audio_invert_class_init), (gst_audio_invert_init), + (gst_audio_invert_set_property), (gst_audio_invert_get_property), + (gst_audio_invert_set_caps), (gst_audio_invert_transform_int), + (gst_audio_invert_transform_float), + (gst_audio_invert_transform_ip): + * gst/audiofx/audioinvert.h: + Add new audiofx element "audioinvert". This element swaps the upper + and lower half of samples and can be used for example for a + wide-stereo effect. Fixes #396057 + * docs/plugins/Makefile.am: + * docs/plugins/gst-plugins-good-plugins-docs.sgml: + * docs/plugins/gst-plugins-good-plugins-sections.txt: + * docs/plugins/gst-plugins-good-plugins.args: + * docs/plugins/inspect/plugin-audiofx.xml: + Add docs for the audioinvert element and add them to the build system. + * tests/check/Makefile.am: + * tests/check/elements/audioinvert.c: (setup_invert), + (cleanup_invert), (GST_START_TEST), (invert_suite), (main): + Add unit test suite for the audioinvert element. + 2007-01-23 Wim Taymans <wim@fluendo.com> * gst/rtp/gstrtpmp4gdepay.c: (gst_rtp_mp4g_depay_parse_int), diff --git a/docs/plugins/Makefile.am b/docs/plugins/Makefile.am index 31f3721c..e7746e30 100644 --- a/docs/plugins/Makefile.am +++ b/docs/plugins/Makefile.am @@ -76,6 +76,7 @@ IGNORE_CFILES = EXTRA_HFILES = \ $(top_srcdir)/gst/apetag/gstapedemux.h \ $(top_srcdir)/gst/audiofx/audiopanorama.h \ + $(top_srcdir)/gst/audiofx/audioinvert.h \ $(top_srcdir)/gst/autodetect/gstautoaudiosink.h \ $(top_srcdir)/gst/autodetect/gstautovideosink.h \ $(top_srcdir)/gst/avi/gstavidemux.h \ diff --git a/docs/plugins/gst-plugins-good-plugins-docs.sgml b/docs/plugins/gst-plugins-good-plugins-docs.sgml index f8f9d0ee..5f7af731 100644 --- a/docs/plugins/gst-plugins-good-plugins-docs.sgml +++ b/docs/plugins/gst-plugins-good-plugins-docs.sgml @@ -15,6 +15,7 @@ <xi:include href="xml/element-apedemux.xml" /> <xi:include href="xml/element-apev2mux.xml" /> <xi:include href="xml/element-audiopanorama.xml" /> + <xi:include href="xml/element-audioinvert.xml" /> <xi:include href="xml/element-autoaudiosink.xml" /> <xi:include href="xml/element-autovideosink.xml" /> <xi:include href="xml/element-avidemux.xml" /> diff --git a/docs/plugins/gst-plugins-good-plugins-sections.txt b/docs/plugins/gst-plugins-good-plugins-sections.txt index e29b25df..9da8dacf 100644 --- a/docs/plugins/gst-plugins-good-plugins-sections.txt +++ b/docs/plugins/gst-plugins-good-plugins-sections.txt @@ -38,6 +38,16 @@ GST_AUDIO_PANORAMA_CLASS </SECTION> <SECTION> +<FILE>element-audioinvert</FILE> +GstAudioInvert +<TITLE>audioinvert</TITLE> +<SUBSECTION Standard> +GstAudioInvertClass +GST_AUDIO_INVERT +GST_AUDIO_INVERT_CLASS +</SECTION> + +<SECTION> <FILE>element-autoaudiosink</FILE> GstAutoAudioSink <TITLE>autoaudiosink</TITLE> diff --git a/docs/plugins/gst-plugins-good-plugins.args b/docs/plugins/gst-plugins-good-plugins.args index 02494ebc..19bc7f5d 100644 --- a/docs/plugins/gst-plugins-good-plugins.args +++ b/docs/plugins/gst-plugins-good-plugins.args @@ -16638,3 +16638,13 @@ <DEFAULT>Psychoacoustic Panning (default)</DEFAULT> </ARG> +<ARG> +<NAME>GstAudioInvert::degree</NAME> +<TYPE>gfloat</TYPE> +<RANGE>[0,1]</RANGE> +<FLAGS>rw</FLAGS> +<NICK>Degree</NICK> +<BLURB>Degree of inversion.</BLURB> +<DEFAULT>0</DEFAULT> +</ARG> + diff --git a/docs/plugins/inspect/plugin-audiofx.xml b/docs/plugins/inspect/plugin-audiofx.xml index 2ad709e9..54b4926c 100644 --- a/docs/plugins/inspect/plugin-audiofx.xml +++ b/docs/plugins/inspect/plugin-audiofx.xml @@ -10,6 +10,13 @@ <origin>http://gstreamer.net/</origin> <elements> <element> + <name>audioinvert</name> + <longname>AudioInvert</longname> + <class>Filter/Effect/Audio</class> + <description>Swaps upper and lower half of audio samples</description> + <author>Sebastian Dröge <slomo@circular-chaos.org></author> + </element> + <element> <name>audiopanorama</name> <longname>AudioPanorama</longname> <class>Filter/Effect/Audio</class> diff --git a/gst/audiofx/Makefile.am b/gst/audiofx/Makefile.am index 82fc9aa3..0b8be7a9 100644 --- a/gst/audiofx/Makefile.am +++ b/gst/audiofx/Makefile.am @@ -4,7 +4,8 @@ plugin_LTLIBRARIES = libgstaudiofx.la # sources used to compile this plug-in libgstaudiofx_la_SOURCES = audiofx.c\ - audiopanorama.c + audiopanorama.c \ + audioinvert.c # flags used to compile this plugin libgstaudiofx_la_CFLAGS = $(GST_CFLAGS) \ @@ -16,4 +17,5 @@ libgstaudiofx_la_LIBADD = $(GST_LIBS) \ libgstaudiofx_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS) # headers we need but don't want installed -noinst_HEADERS = audiopanorama.h +noinst_HEADERS = audiopanorama.h \ + audioinvert.h diff --git a/gst/audiofx/audiofx.c b/gst/audiofx/audiofx.c index 907c0545..541aa143 100644 --- a/gst/audiofx/audiofx.c +++ b/gst/audiofx/audiofx.c @@ -26,6 +26,7 @@ #include <gst/controller/gstcontroller.h> #include "audiopanorama.h" +#include "audioinvert.h" /* entry point to initialize the plug-in * initialize the plug-in itself @@ -38,8 +39,10 @@ plugin_init (GstPlugin * plugin) /* initialize gst controller library */ gst_controller_init (NULL, NULL); - return gst_element_register (plugin, "audiopanorama", GST_RANK_NONE, - GST_TYPE_AUDIO_PANORAMA); + return (gst_element_register (plugin, "audiopanorama", GST_RANK_NONE, + GST_TYPE_AUDIO_PANORAMA) && + gst_element_register (plugin, "audioinvert", GST_RANK_NONE, + GST_TYPE_AUDIO_INVERT)); } GST_PLUGIN_DEFINE (GST_VERSION_MAJOR, diff --git a/gst/audiofx/audioinvert.c b/gst/audiofx/audioinvert.c new file mode 100644 index 00000000..3c808552 --- /dev/null +++ b/gst/audiofx/audioinvert.c @@ -0,0 +1,278 @@ +/* + * GStreamer + * Copyright (C) 2007 Sebastian Dröge <slomo@circular-chaos.org> + * Copyright (C) 2006 Stefan Kost <ensonic@users.sf.net> + * + * 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. + */ + +/** + * SECTION:element-audioinvert + * @short_description: Swaps upper and lower half of audio samples + * + * <refsect2> + * Swaps upper and lower half of audio samples. Mixing an inverted sample on top of + * the original with a slight delay can produce effects that sound like resonance. + * Creating a stereo sample from a mono source, with one channel inverted produces wide-stereo sounds. + * <title>Example launch line</title> + * <para> + * <programlisting> + * gst-launch audiotestsrc wave=saw ! audioinvert invert=0.4 ! alsasink + * gst-launch filesrc location="melo1.ogg" ! oggdemux ! vorbisdec ! audioconvert ! audioinvert invert=0.4 ! alsasink + * gst-launch audiotestsrc wave=saw ! audioconvert ! audioinvert invert=0.4 ! audioconvert ! alsasink + * </programlisting> + * </para> + * </refsect2> + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <gst/gst.h> +#include <gst/base/gstbasetransform.h> +#include <gst/controller/gstcontroller.h> + +#include "audioinvert.h" + +#define GST_CAT_DEFAULT gst_audio_invert_debug +GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFAULT); + +static const GstElementDetails element_details = +GST_ELEMENT_DETAILS ("AudioInvert", + "Filter/Effect/Audio", + "Swaps upper and lower half of audio samples", + "Sebastian Dröge <slomo@circular-chaos.org>"); + +/* Filter signals and args */ +enum +{ + /* FILL ME */ + LAST_SIGNAL +}; + +enum +{ + PROP_0, + PROP_DEGREE +}; + +static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink", + GST_PAD_SINK, + GST_PAD_ALWAYS, + GST_STATIC_CAPS ("audio/x-raw-float, " + "rate = (int) [ 1, MAX ], " + "channels = (int) [ 1, MAX ], " + "endianness = (int) BYTE_ORDER, " "width = (int) 32; " + "audio/x-raw-int, " + "rate = (int) [ 1, MAX ], " + "channels = (int) [ 1, MAX ], " + "endianness = (int) BYTE_ORDER, " + "width = (int) 16, " "depth = (int) 16, " "signed = (boolean) true") + ); + +static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src", + GST_PAD_SRC, + GST_PAD_ALWAYS, + GST_STATIC_CAPS ("audio/x-raw-float, " + "rate = (int) [ 1, MAX ], " + "channels = (int) [ 1, MAX], " + "endianness = (int) BYTE_ORDER, " "width = (int) 32; " + "audio/x-raw-int, " + "rate = (int) [ 1, MAX ], " + "channels = (int) [ 1, MAX ], " + "endianness = (int) BYTE_ORDER, " + "width = (int) 16, " "depth = (int) 16, " "signed = (boolean) true") + ); + +#define DEBUG_INIT(bla) \ + GST_DEBUG_CATEGORY_INIT (gst_audio_invert_debug, "audioinvert", 0, "audioinvert element"); + +GST_BOILERPLATE_FULL (GstAudioInvert, gst_audio_invert, GstBaseTransform, + GST_TYPE_BASE_TRANSFORM, DEBUG_INIT); + +static void gst_audio_invert_set_property (GObject * object, guint prop_id, + const GValue * value, GParamSpec * pspec); +static void gst_audio_invert_get_property (GObject * object, guint prop_id, + GValue * value, GParamSpec * pspec); + +static gboolean gst_audio_invert_set_caps (GstBaseTransform * base, + GstCaps * incaps, GstCaps * outcaps); +static GstFlowReturn gst_audio_invert_transform_ip (GstBaseTransform * base, + GstBuffer * buf); + +static void gst_audio_invert_transform_int (GstAudioInvert * filter, + gint16 * data, guint num_samples); +static void gst_audio_invert_transform_float (GstAudioInvert * filter, + gfloat * data, guint num_samples); + +/* GObject vmethod implementations */ + +static void +gst_audio_invert_base_init (gpointer klass) +{ + GstElementClass *element_class = GST_ELEMENT_CLASS (klass); + + gst_element_class_add_pad_template (element_class, + gst_static_pad_template_get (&src_template)); + gst_element_class_add_pad_template (element_class, + gst_static_pad_template_get (&sink_template)); + gst_element_class_set_details (element_class, &element_details); +} + +static void +gst_audio_invert_class_init (GstAudioInvertClass * klass) +{ + GObjectClass *gobject_class; + + gobject_class = (GObjectClass *) klass; + gobject_class->set_property = gst_audio_invert_set_property; + gobject_class->get_property = gst_audio_invert_get_property; + + g_object_class_install_property (gobject_class, PROP_DEGREE, + g_param_spec_float ("degree", "Degree", + "Degree of inversion", 0.0, 1.0, + 0.0, G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE)); + + GST_BASE_TRANSFORM_CLASS (klass)->set_caps = + GST_DEBUG_FUNCPTR (gst_audio_invert_set_caps); + GST_BASE_TRANSFORM_CLASS (klass)->transform_ip = + GST_DEBUG_FUNCPTR (gst_audio_invert_transform_ip); +} + +static void +gst_audio_invert_init (GstAudioInvert * filter, GstAudioInvertClass * klass) +{ + filter->degree = 0.0; + filter->width = 0; + gst_base_transform_set_in_place (GST_BASE_TRANSFORM (filter), TRUE); +} + +static void +gst_audio_invert_set_property (GObject * object, guint prop_id, + const GValue * value, GParamSpec * pspec) +{ + GstAudioInvert *filter = GST_AUDIO_INVERT (object); + + switch (prop_id) { + case PROP_DEGREE: + filter->degree = g_value_get_float (value); + gst_base_transform_set_passthrough (GST_BASE_TRANSFORM (filter), + filter->degree == 0.0); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +gst_audio_invert_get_property (GObject * object, guint prop_id, + GValue * value, GParamSpec * pspec) +{ + GstAudioInvert *filter = GST_AUDIO_INVERT (object); + + switch (prop_id) { + case PROP_DEGREE: + g_value_set_float (value, filter->degree); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +/* GstBaseTransform vmethod implementations */ + +static gboolean +gst_audio_invert_set_caps (GstBaseTransform * base, GstCaps * incaps, + GstCaps * outcaps) +{ + GstAudioInvert *filter = GST_AUDIO_INVERT (base); + const GstStructure *structure; + gboolean ret; + gint width; + const gchar *fmt; + + /*GST_INFO ("incaps are %" GST_PTR_FORMAT, incaps); */ + + structure = gst_caps_get_structure (incaps, 0); + + ret = gst_structure_get_int (structure, "width", &width); + if (!ret) + goto no_width; + filter->width = width / 8; + + + fmt = gst_structure_get_name (structure); + if (!strcmp (fmt, "audio/x-raw-int")) + filter->process = (GstAudioInvertProcessFunc) + gst_audio_invert_transform_int; + else + filter->process = (GstAudioInvertProcessFunc) + gst_audio_invert_transform_float; + + return TRUE; + +no_width: + GST_DEBUG ("no width in caps"); + return FALSE; +} + +static void +gst_audio_invert_transform_int (GstAudioInvert * filter, + gint16 * data, guint num_samples) +{ + gint i; + gfloat dry = 1.0 - filter->degree; + glong val; + + for (i = 0; i < num_samples; i++) { + val = (*data) * dry + (-1 - (*data)) * filter->degree; + *data++ = (gint16) CLAMP (val, G_MININT16, G_MAXINT16); + } +} + +static void +gst_audio_invert_transform_float (GstAudioInvert * filter, + gfloat * data, guint num_samples) +{ + gint i; + gfloat dry = 1.0 - filter->degree; + glong val; + + for (i = 0; i < num_samples; i++) { + val = (*data) * dry - (*data) * filter->degree; + *data++ = val; + } +} + + +/* this function does the actual processing + */ +static GstFlowReturn +gst_audio_invert_transform_ip (GstBaseTransform * base, GstBuffer * buf) +{ + GstAudioInvert *filter = GST_AUDIO_INVERT (base); + guint num_samples = GST_BUFFER_SIZE (buf) / filter->width; + + if (!gst_buffer_is_writable (buf)) + return GST_FLOW_OK; + + filter->process (filter, GST_BUFFER_DATA (buf), num_samples); + + return GST_FLOW_OK; +} diff --git a/gst/audiofx/audioinvert.h b/gst/audiofx/audioinvert.h new file mode 100644 index 00000000..15ac7b3e --- /dev/null +++ b/gst/audiofx/audioinvert.h @@ -0,0 +1,60 @@ +/* + * GStreamer + * Copyright (C) 2007 Sebastian Dröge <slomo@circular-chaos.org> + * Copyright (C) 2006 Stefan Kost <ensonic@users.sf.net> + * + * 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_AUDIO_INVERT_H__ +#define __GST_AUDIO_INVERT_H__ + +#include <gst/gst.h> +#include <gst/base/gstbasetransform.h> + +G_BEGIN_DECLS + +#define GST_TYPE_AUDIO_INVERT (gst_audio_invert_get_type()) +#define GST_AUDIO_INVERT(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AUDIO_INVERT,GstAudioInvert)) +#define GST_IS_AUDIO_INVERT(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AUDIO_INVERT)) +#define GST_AUDIO_INVERT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass) ,GST_TYPE_AUDIO_INVERT,GstAudioInvertClass)) +#define GST_IS_AUDIO_INVERT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass) ,GST_TYPE_AUDIO_INVERT)) +#define GST_AUDIO_INVERT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj) ,GST_TYPE_AUDIO_INVERT,GstAudioInvertClass)) + +typedef struct _GstAudioInvert GstAudioInvert; +typedef struct _GstAudioInvertClass GstAudioInvertClass; + +typedef void (*GstAudioInvertProcessFunc)(GstAudioInvert*, guint8*, guint); + +struct _GstAudioInvert { + GstBaseTransform element; + + gfloat degree; + + /* < private > */ + GstAudioInvertProcessFunc process; + gint width; +}; + +struct _GstAudioInvertClass { + GstBaseTransformClass parent; +}; + +GType gst_audio_invert_get_type (void); + +G_END_DECLS + +#endif /* __GST_AUDIO_INVERT_H__ */ diff --git a/tests/check/Makefile.am b/tests/check/Makefile.am index 55198e38..9b6fac23 100644 --- a/tests/check/Makefile.am +++ b/tests/check/Makefile.am @@ -34,6 +34,7 @@ endif check_PROGRAMS = \ $(check_annodex) \ elements/audiopanorama \ + elements/audioinvert \ elements/avimux \ elements/level \ elements/matroskamux \ diff --git a/tests/check/elements/audioinvert.c b/tests/check/elements/audioinvert.c new file mode 100644 index 00000000..ae40ea93 --- /dev/null +++ b/tests/check/elements/audioinvert.c @@ -0,0 +1,286 @@ +/* GStreamer + * + * unit test for audioinvert + * + * Copyright (C) 2007 Sebastian Dröge <slomo@circular-chaos.org> + * + * Greatly based on the audiopanorama unit test + * Copyright (C) 2006 Stefan Kost <ensonic@users.sf.net> + * + * 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. + */ + +#include <unistd.h> + +#include <gst/base/gstbasetransform.h> +#include <gst/check/gstcheck.h> + +gboolean have_eos = FALSE; + +/* For ease of programming we use globals to keep refs for our floating + * src and sink pads we create; otherwise we always have to do get_pad, + * get_peer, and then remove references in every test function */ +GstPad *mysrcpad, *mysinkpad; + + +#define INVERT_CAPS_STRING \ + "audio/x-raw-int, " \ + "channels = (int) 1, " \ + "rate = (int) 44100, " \ + "endianness = (int) BYTE_ORDER, " \ + "width = (int) 16, " \ + "depth = (int) 16, " \ + "signed = (bool) TRUE" + +static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink", + GST_PAD_SINK, + GST_PAD_ALWAYS, + GST_STATIC_CAPS ("audio/x-raw-int, " + "channels = (int) 1, " + "rate = (int) [ 1, MAX ], " + "endianness = (int) BYTE_ORDER, " + "width = (int) 16, " "depth = (int) 16, " "signed = (bool) TRUE") + ); +static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src", + GST_PAD_SRC, + GST_PAD_ALWAYS, + GST_STATIC_CAPS ("audio/x-raw-int, " + "channels = (int) 1, " + "rate = (int) [ 1, MAX ], " + "endianness = (int) BYTE_ORDER, " + "width = (int) 16, " "depth = (int) 16, " "signed = (bool) TRUE") + ); + +GstElement * +setup_invert () +{ + GstElement *invert; + + GST_DEBUG ("setup_invert"); + invert = gst_check_setup_element ("audioinvert"); + mysrcpad = gst_check_setup_src_pad (invert, &srctemplate, NULL); + mysinkpad = gst_check_setup_sink_pad (invert, &sinktemplate, NULL); + gst_pad_set_active (mysrcpad, TRUE); + gst_pad_set_active (mysinkpad, TRUE); + + return invert; +} + +void +cleanup_invert (GstElement * invert) +{ + GST_DEBUG ("cleanup_invert"); + + g_list_foreach (buffers, (GFunc) gst_mini_object_unref, NULL); + g_list_free (buffers); + buffers = NULL; + + gst_pad_set_active (mysrcpad, FALSE); + gst_pad_set_active (mysinkpad, FALSE); + gst_check_teardown_src_pad (invert); + gst_check_teardown_sink_pad (invert); + gst_check_teardown_element (invert); +} + +GST_START_TEST (test_passthrough) +{ + GstElement *invert; + GstBuffer *inbuffer, *outbuffer; + GstCaps *caps; + gint16 in[4] = { 16384, -256, 128, -512 }; + gint16 *res; + + invert = setup_invert (); + fail_unless (gst_element_set_state (invert, + GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS, + "could not set to playing"); + + inbuffer = gst_buffer_new_and_alloc (8); + memcpy (GST_BUFFER_DATA (inbuffer), in, 8); + fail_unless (memcmp (GST_BUFFER_DATA (inbuffer), in, 8) == 0); + caps = gst_caps_from_string (INVERT_CAPS_STRING); + gst_buffer_set_caps (inbuffer, caps); + gst_caps_unref (caps); + ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1); + + /* pushing gives away my reference ... */ + fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK); + /* ... but it ends up being collected on the global buffer list */ + fail_unless_equals_int (g_list_length (buffers), 1); + fail_if ((outbuffer = (GstBuffer *) buffers->data) == NULL); + + res = (gint16 *) GST_BUFFER_DATA (outbuffer); + GST_INFO ("expected %+5ld %+5ld %+5ld %+5ld real %+5ld %+5ld %+5ld %+5ld", + in[0], in[1], in[2], in[3], res[0], res[1], res[2], res[3]); + fail_unless (memcmp (GST_BUFFER_DATA (outbuffer), in, 8) == 0); + + /* cleanup */ + cleanup_invert (invert); +} + +GST_END_TEST; + +GST_START_TEST (test_zero) +{ + GstElement *invert; + GstBuffer *inbuffer, *outbuffer; + GstCaps *caps; + gint16 in[4] = { 16384, -256, 128, -512 }; + gint16 out[4] = { 0, 0, 0, 0 }; + gint16 *res; + + invert = setup_invert (); + g_object_set (G_OBJECT (invert), "degree", 0.5, NULL); + fail_unless (gst_element_set_state (invert, + GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS, + "could not set to playing"); + + inbuffer = gst_buffer_new_and_alloc (8); + memcpy (GST_BUFFER_DATA (inbuffer), in, 8); + fail_unless (memcmp (GST_BUFFER_DATA (inbuffer), in, 8) == 0); + caps = gst_caps_from_string (INVERT_CAPS_STRING); + gst_buffer_set_caps (inbuffer, caps); + gst_caps_unref (caps); + ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1); + + /* pushing gives away my reference ... */ + fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK); + /* ... and puts a new buffer on the global list */ + fail_unless_equals_int (g_list_length (buffers), 1); + fail_if ((outbuffer = (GstBuffer *) buffers->data) == NULL); + + res = (gint16 *) GST_BUFFER_DATA (outbuffer); + GST_INFO ("expected %+5ld %+5ld %+5ld %+5ld real %+5ld %+5ld %+5ld %+5ld", + out[0], out[1], out[2], out[3], res[0], res[1], res[2], res[3]); + fail_unless (memcmp (GST_BUFFER_DATA (outbuffer), out, 8) == 0); + + /* cleanup */ + cleanup_invert (invert); +} + +GST_END_TEST; + +GST_START_TEST (test_full_inverse) +{ + GstElement *invert; + GstBuffer *inbuffer, *outbuffer; + GstCaps *caps; + gint16 in[4] = { 16384, -256, 128, -512 }; + gint16 out[4] = { -16385, 255, -129, 511 }; + gint16 *res; + + invert = setup_invert (); + g_object_set (G_OBJECT (invert), "degree", 1.0, NULL); + fail_unless (gst_element_set_state (invert, + GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS, + "could not set to playing"); + + inbuffer = gst_buffer_new_and_alloc (8); + memcpy (GST_BUFFER_DATA (inbuffer), in, 8); + fail_unless (memcmp (GST_BUFFER_DATA (inbuffer), in, 8) == 0); + caps = gst_caps_from_string (INVERT_CAPS_STRING); + gst_buffer_set_caps (inbuffer, caps); + gst_caps_unref (caps); + ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1); + + /* pushing gives away my reference ... */ + fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK); + /* ... and puts a new buffer on the global list */ + fail_unless_equals_int (g_list_length (buffers), 1); + fail_if ((outbuffer = (GstBuffer *) buffers->data) == NULL); + + res = (gint16 *) GST_BUFFER_DATA (outbuffer); + GST_INFO ("expected %+5ld %+5ld %+5ld %+5ld real %+5ld %+5ld %+5ld %+5ld", + out[0], out[1], out[2], out[3], res[0], res[1], res[2], res[3]); + fail_unless (memcmp (GST_BUFFER_DATA (outbuffer), out, 8) == 0); + + /* cleanup */ + cleanup_invert (invert); +} + +GST_END_TEST; + +GST_START_TEST (test_25_inverse) +{ + GstElement *invert; + GstBuffer *inbuffer, *outbuffer; + GstCaps *caps; + gint16 in[4] = { 16384, -256, 128, -512 }; + gint16 out[4] = { 8191, -128, 63, -256 }; + gint16 *res; + + invert = setup_invert (); + g_object_set (G_OBJECT (invert), "degree", 0.25, NULL); + fail_unless (gst_element_set_state (invert, + GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS, + "could not set to playing"); + + inbuffer = gst_buffer_new_and_alloc (8); + memcpy (GST_BUFFER_DATA (inbuffer), in, 8); + fail_unless (memcmp (GST_BUFFER_DATA (inbuffer), in, 8) == 0); + caps = gst_caps_from_string (INVERT_CAPS_STRING); + gst_buffer_set_caps (inbuffer, caps); + gst_caps_unref (caps); + ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1); + + /* pushing gives away my reference ... */ + fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK); + /* ... and puts a new buffer on the global list */ + fail_unless_equals_int (g_list_length (buffers), 1); + fail_if ((outbuffer = (GstBuffer *) buffers->data) == NULL); + + res = (gint16 *) GST_BUFFER_DATA (outbuffer); + GST_INFO ("expected %+5ld %+5ld %+5ld %+5ld real %+5ld %+5ld %+5ld %+5ld", + out[0], out[1], out[2], out[3], res[0], res[1], res[2], res[3]); + fail_unless (memcmp (GST_BUFFER_DATA (outbuffer), out, 8) == 0); + + /* cleanup */ + cleanup_invert (invert); +} + +GST_END_TEST; + +Suite * +invert_suite (void) +{ + Suite *s = suite_create ("invert"); + TCase *tc_chain = tcase_create ("general"); + + suite_add_tcase (s, tc_chain); + tcase_add_test (tc_chain, test_passthrough); + tcase_add_test (tc_chain, test_zero); + tcase_add_test (tc_chain, test_full_inverse); + tcase_add_test (tc_chain, test_25_inverse); + + return s; +} + +int +main (int argc, char **argv) +{ + int nf; + + Suite *s = invert_suite (); + SRunner *sr = srunner_create (s); + + gst_check_init (&argc, &argv); + + srunner_run_all (sr, CK_NORMAL); + nf = srunner_ntests_failed (sr); + srunner_free (sr); + + return nf; +} |