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842451a720
Original commit message from CVS: reviewed by: Stefan Kost <ensonic@users.sf.net> * gst/audiofx/Makefile.am: * gst/audiofx/audiochebyshevfreqband.c: (gst_audio_chebyshev_freq_band_mode_get_type), (gst_audio_chebyshev_freq_band_base_init), (gst_audio_chebyshev_freq_band_dispose), (gst_audio_chebyshev_freq_band_class_init), (gst_audio_chebyshev_freq_band_init), (generate_biquad_coefficients), (calculate_gain), (generate_coefficients), (gst_audio_chebyshev_freq_band_set_property), (gst_audio_chebyshev_freq_band_get_property), (gst_audio_chebyshev_freq_band_setup), (process), (process_64), (process_32), (gst_audio_chebyshev_freq_band_transform_ip), (gst_audio_chebyshev_freq_band_start): * gst/audiofx/audiochebyshevfreqband.h: * gst/audiofx/audiochebyshevfreqlimit.c: (gst_audio_chebyshev_freq_limit_mode_get_type), (gst_audio_chebyshev_freq_limit_base_init), (gst_audio_chebyshev_freq_limit_dispose), (gst_audio_chebyshev_freq_limit_class_init), (gst_audio_chebyshev_freq_limit_init), (generate_biquad_coefficients), (calculate_gain), (generate_coefficients), (gst_audio_chebyshev_freq_limit_set_property), (gst_audio_chebyshev_freq_limit_get_property), (gst_audio_chebyshev_freq_limit_setup), (process), (process_64), (process_32), (gst_audio_chebyshev_freq_limit_transform_ip), (gst_audio_chebyshev_freq_limit_start): * gst/audiofx/audiochebyshevfreqlimit.h: * gst/audiofx/audiofx.c: (plugin_init): Add Chebyshev lowpass/highpass and bandpass/bandreject elements. Fixes #464800. * tests/check/Makefile.am: * tests/check/elements/.cvsignore: * tests/check/elements/audiochebyshevfreqband.c: (setup_audiochebyshevfreqband), (cleanup_audiochebyshevfreqband), (GST_START_TEST), (audiochebyshevfreqband_suite), (main): * tests/check/elements/audiochebyshevfreqlimit.c: (setup_audiochebyshevfreqlimit), (cleanup_audiochebyshevfreqlimit), (GST_START_TEST), (audiochebyshevfreqlimit_suite), (main): Add unit tests for the chebyshev filters. * 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-1394.xml: * docs/plugins/inspect/plugin-audiofx.xml: * docs/plugins/inspect/plugin-dv.xml: * docs/plugins/inspect/plugin-flac.xml: * docs/plugins/inspect/plugin-jpeg.xml: * docs/plugins/inspect/plugin-png.xml: * docs/plugins/inspect/plugin-rtp.xml: * docs/plugins/inspect/plugin-shout2send.xml: * docs/plugins/inspect/plugin-wavpack.xml: And add docs for the chebyshev filters. While doing that also run make update in docs/plugins.
471 lines
15 KiB
C
471 lines
15 KiB
C
/* GStreamer
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*
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* Copyright (C) 2007 Sebastian Dröge <slomo@circular-chaos.org>
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*
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* audiochebyshevfreqband.c: Unit test for the audiochebyshevfreqband element
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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 Lesser General Public License
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* as published by the Free Software Foundation; either version 2.1 of
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* 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, but
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* 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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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301 USA
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*/
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#include <gst/gst.h>
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#include <gst/base/gstbasetransform.h>
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#include <gst/check/gstcheck.h>
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#include <math.h>
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/* For ease of programming we use globals to keep refs for our floating
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* src and sink pads we create; otherwise we always have to do get_pad,
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* get_peer, and then remove references in every test function */
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GstPad *mysrcpad, *mysinkpad;
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#define CAPS_STRING \
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"audio/x-raw-float, " \
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"channels = (int) 1, " \
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"rate = (int) 44100, " \
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"endianness = (int) BYTE_ORDER, " \
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"width = (int) 64" \
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static GstStaticPadTemplate sinktemplate = 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-float, "
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"channels = (int) 1, "
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"rate = (int) 44100, "
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"endianness = (int) BYTE_ORDER, " "width = (int) 64")
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);
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static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("audio/x-raw-float, "
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"channels = (int) 1, "
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"rate = (int) 44100, "
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"endianness = (int) BYTE_ORDER, " "width = (int) 64")
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);
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GstElement *
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setup_audiochebyshevfreqband ()
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{
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GstElement *audiochebyshevfreqband;
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GST_DEBUG ("setup_audiochebyshevfreqband");
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audiochebyshevfreqband = gst_check_setup_element ("audiochebyshevfreqband");
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mysrcpad =
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gst_check_setup_src_pad (audiochebyshevfreqband, &srctemplate, NULL);
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mysinkpad =
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gst_check_setup_sink_pad (audiochebyshevfreqband, &sinktemplate, NULL);
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gst_pad_set_active (mysrcpad, TRUE);
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gst_pad_set_active (mysinkpad, TRUE);
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return audiochebyshevfreqband;
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}
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void
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cleanup_audiochebyshevfreqband (GstElement * audiochebyshevfreqband)
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{
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GST_DEBUG ("cleanup_audiochebyshevfreqband");
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g_list_foreach (buffers, (GFunc) gst_mini_object_unref, NULL);
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g_list_free (buffers);
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buffers = NULL;
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gst_pad_set_active (mysrcpad, FALSE);
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gst_pad_set_active (mysinkpad, FALSE);
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gst_check_teardown_src_pad (audiochebyshevfreqband);
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gst_check_teardown_sink_pad (audiochebyshevfreqband);
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gst_check_teardown_element (audiochebyshevfreqband);
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}
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/* Test if data containing only one frequency component
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* at 0 is erased with bandpass mode and a
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* 2000Hz frequency band around rate/4 */
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GST_START_TEST (test_bp_0hz)
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{
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GstElement *audiochebyshevfreqband;
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GstBuffer *inbuffer, *outbuffer;
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GstCaps *caps;
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gdouble *in, *res, rms;
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gint i;
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audiochebyshevfreqband = setup_audiochebyshevfreqband ();
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/* Set to bandpass */
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g_object_set (G_OBJECT (audiochebyshevfreqband), "mode", 0, NULL);
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g_object_set (G_OBJECT (audiochebyshevfreqband), "poles", 8, NULL);
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g_object_set (G_OBJECT (audiochebyshevfreqband), "type", 1, NULL);
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g_object_set (G_OBJECT (audiochebyshevfreqband), "ripple", 0.25, NULL);
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fail_unless (gst_element_set_state (audiochebyshevfreqband,
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GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
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"could not set to playing");
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g_object_set (G_OBJECT (audiochebyshevfreqband), "lower-frequency",
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44100 / 4.0 - 1000, NULL);
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g_object_set (G_OBJECT (audiochebyshevfreqband), "upper-frequency",
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44100 / 4.0 + 1000, NULL);
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inbuffer = gst_buffer_new_and_alloc (1024 * sizeof (gdouble));
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in = (gdouble *) GST_BUFFER_DATA (inbuffer);
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for (i = 0; i < 1024; i++)
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in[i] = 1.0;
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caps = gst_caps_from_string (CAPS_STRING);
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gst_buffer_set_caps (inbuffer, caps);
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gst_caps_unref (caps);
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ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
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/* pushing gives away my reference ... */
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fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
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/* ... and puts a new buffer on the global list */
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fail_unless_equals_int (g_list_length (buffers), 1);
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fail_if ((outbuffer = (GstBuffer *) buffers->data) == NULL);
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res = (gdouble *) GST_BUFFER_DATA (outbuffer);
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rms = 0.0;
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for (i = 0; i < 1024; i++)
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rms += res[i] * res[i];
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rms = sqrt (rms / 1024.0);
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fail_unless (rms <= 0.1);
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/* cleanup */
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cleanup_audiochebyshevfreqband (audiochebyshevfreqband);
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}
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GST_END_TEST;
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/* Test if data containing only one frequency component
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* at band center is preserved with bandpass mode and a
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* 2000Hz frequency band around rate/4 */
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GST_START_TEST (test_bp_11025hz)
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{
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GstElement *audiochebyshevfreqband;
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GstBuffer *inbuffer, *outbuffer;
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GstCaps *caps;
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gdouble *in, *res, rms;
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gint i;
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audiochebyshevfreqband = setup_audiochebyshevfreqband ();
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/* Set to bandpass */
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g_object_set (G_OBJECT (audiochebyshevfreqband), "mode", 0, NULL);
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g_object_set (G_OBJECT (audiochebyshevfreqband), "poles", 8, NULL);
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g_object_set (G_OBJECT (audiochebyshevfreqband), "type", 1, NULL);
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g_object_set (G_OBJECT (audiochebyshevfreqband), "ripple", 0.25, NULL);
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fail_unless (gst_element_set_state (audiochebyshevfreqband,
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GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
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"could not set to playing");
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g_object_set (G_OBJECT (audiochebyshevfreqband), "lower-frequency",
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44100 / 4.0 - 1000, NULL);
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g_object_set (G_OBJECT (audiochebyshevfreqband), "upper-frequency",
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44100 / 4.0 + 1000, NULL);
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inbuffer = gst_buffer_new_and_alloc (1024 * sizeof (gdouble));
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in = (gdouble *) GST_BUFFER_DATA (inbuffer);
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for (i = 0; i < 1024; i += 4) {
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in[i] = 0.0;
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in[i + 1] = 1.0;
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in[i + 2] = 0.0;
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in[i + 3] = -1.0;
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}
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caps = gst_caps_from_string (CAPS_STRING);
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gst_buffer_set_caps (inbuffer, caps);
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gst_caps_unref (caps);
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ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
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/* pushing gives away my reference ... */
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fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
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/* ... and puts a new buffer on the global list */
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fail_unless_equals_int (g_list_length (buffers), 1);
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fail_if ((outbuffer = (GstBuffer *) buffers->data) == NULL);
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res = (gdouble *) GST_BUFFER_DATA (outbuffer);
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rms = 0.0;
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for (i = 0; i < 1024; i++)
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rms += res[i] * res[i];
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rms = sqrt (rms / 1024.0);
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fail_unless (rms >= 0.6);
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/* cleanup */
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cleanup_audiochebyshevfreqband (audiochebyshevfreqband);
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}
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GST_END_TEST;
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/* Test if data containing only one frequency component
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* at rate/2 is erased with bandpass mode and a
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* 2000Hz frequency band around rate/4 */
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GST_START_TEST (test_bp_22050hz)
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{
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GstElement *audiochebyshevfreqband;
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GstBuffer *inbuffer, *outbuffer;
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GstCaps *caps;
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gdouble *in, *res, rms;
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gint i;
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audiochebyshevfreqband = setup_audiochebyshevfreqband ();
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/* Set to bandpass */
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g_object_set (G_OBJECT (audiochebyshevfreqband), "mode", 0, NULL);
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g_object_set (G_OBJECT (audiochebyshevfreqband), "poles", 8, NULL);
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g_object_set (G_OBJECT (audiochebyshevfreqband), "type", 1, NULL);
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g_object_set (G_OBJECT (audiochebyshevfreqband), "ripple", 0.25, NULL);
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fail_unless (gst_element_set_state (audiochebyshevfreqband,
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GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
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"could not set to playing");
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g_object_set (G_OBJECT (audiochebyshevfreqband), "lower-frequency",
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44100 / 4.0 - 1000, NULL);
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g_object_set (G_OBJECT (audiochebyshevfreqband), "upper-frequency",
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44100 / 4.0 + 1000, NULL);
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inbuffer = gst_buffer_new_and_alloc (1024 * sizeof (gdouble));
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in = (gdouble *) GST_BUFFER_DATA (inbuffer);
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for (i = 0; i < 1024; i += 2) {
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in[i] = 1.0;
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in[i + 1] = -1.0;
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}
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caps = gst_caps_from_string (CAPS_STRING);
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gst_buffer_set_caps (inbuffer, caps);
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gst_caps_unref (caps);
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ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
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/* pushing gives away my reference ... */
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fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
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/* ... and puts a new buffer on the global list */
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fail_unless_equals_int (g_list_length (buffers), 1);
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fail_if ((outbuffer = (GstBuffer *) buffers->data) == NULL);
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res = (gdouble *) GST_BUFFER_DATA (outbuffer);
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rms = 0.0;
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for (i = 0; i < 1024; i++)
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rms += res[i] * res[i];
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rms = sqrt (rms / 1024.0);
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fail_unless (rms <= 0.1);
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/* cleanup */
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cleanup_audiochebyshevfreqband (audiochebyshevfreqband);
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}
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GST_END_TEST;
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/* Test if data containing only one frequency component
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* at 0 is preserved with bandreject mode and a
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* 2000Hz frequency band around rate/4 */
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GST_START_TEST (test_br_0hz)
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{
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GstElement *audiochebyshevfreqband;
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GstBuffer *inbuffer, *outbuffer;
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GstCaps *caps;
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gdouble *in, *res, rms;
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gint i;
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audiochebyshevfreqband = setup_audiochebyshevfreqband ();
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/* Set to bandreject */
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g_object_set (G_OBJECT (audiochebyshevfreqband), "mode", 1, NULL);
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g_object_set (G_OBJECT (audiochebyshevfreqband), "poles", 8, NULL);
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g_object_set (G_OBJECT (audiochebyshevfreqband), "type", 1, NULL);
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g_object_set (G_OBJECT (audiochebyshevfreqband), "ripple", 0.25, NULL);
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fail_unless (gst_element_set_state (audiochebyshevfreqband,
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GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
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"could not set to playing");
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g_object_set (G_OBJECT (audiochebyshevfreqband), "lower-frequency",
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44100 / 4.0 - 1000, NULL);
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g_object_set (G_OBJECT (audiochebyshevfreqband), "upper-frequency",
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44100 / 4.0 + 1000, NULL);
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inbuffer = gst_buffer_new_and_alloc (1024 * sizeof (gdouble));
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in = (gdouble *) GST_BUFFER_DATA (inbuffer);
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for (i = 0; i < 1024; i++)
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in[i] = 1.0;
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caps = gst_caps_from_string (CAPS_STRING);
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gst_buffer_set_caps (inbuffer, caps);
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gst_caps_unref (caps);
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ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
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/* pushing gives away my reference ... */
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fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
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/* ... and puts a new buffer on the global list */
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fail_unless_equals_int (g_list_length (buffers), 1);
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fail_if ((outbuffer = (GstBuffer *) buffers->data) == NULL);
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res = (gdouble *) GST_BUFFER_DATA (outbuffer);
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rms = 0.0;
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for (i = 0; i < 1024; i++)
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rms += res[i] * res[i];
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rms = sqrt (rms / 1024.0);
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fail_unless (rms >= 0.9);
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/* cleanup */
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cleanup_audiochebyshevfreqband (audiochebyshevfreqband);
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}
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GST_END_TEST;
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/* Test if data containing only one frequency component
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* at band center is erased with bandreject mode and a
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* 2000Hz frequency band around rate/4 */
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GST_START_TEST (test_br_11025hz)
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{
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GstElement *audiochebyshevfreqband;
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GstBuffer *inbuffer, *outbuffer;
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GstCaps *caps;
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gdouble *in, *res, rms;
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gint i;
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audiochebyshevfreqband = setup_audiochebyshevfreqband ();
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/* Set to bandreject */
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g_object_set (G_OBJECT (audiochebyshevfreqband), "mode", 1, NULL);
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g_object_set (G_OBJECT (audiochebyshevfreqband), "poles", 8, NULL);
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g_object_set (G_OBJECT (audiochebyshevfreqband), "type", 1, NULL);
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g_object_set (G_OBJECT (audiochebyshevfreqband), "ripple", 0.25, NULL);
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fail_unless (gst_element_set_state (audiochebyshevfreqband,
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GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
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"could not set to playing");
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g_object_set (G_OBJECT (audiochebyshevfreqband), "lower-frequency",
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44100 / 4.0 - 1000, NULL);
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g_object_set (G_OBJECT (audiochebyshevfreqband), "upper-frequency",
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44100 / 4.0 + 1000, NULL);
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inbuffer = gst_buffer_new_and_alloc (1024 * sizeof (gdouble));
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in = (gdouble *) GST_BUFFER_DATA (inbuffer);
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for (i = 0; i < 1024; i += 4) {
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in[i] = 0.0;
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in[i + 1] = 1.0;
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in[i + 2] = 0.0;
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in[i + 3] = -1.0;
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}
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caps = gst_caps_from_string (CAPS_STRING);
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gst_buffer_set_caps (inbuffer, caps);
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gst_caps_unref (caps);
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ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
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/* pushing gives away my reference ... */
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fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
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/* ... and puts a new buffer on the global list */
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fail_unless_equals_int (g_list_length (buffers), 1);
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fail_if ((outbuffer = (GstBuffer *) buffers->data) == NULL);
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res = (gdouble *) GST_BUFFER_DATA (outbuffer);
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rms = 0.0;
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for (i = 0; i < 1024; i++)
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rms += res[i] * res[i];
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rms = sqrt (rms / 1024.0);
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fail_unless (rms <= 0.1);
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/* cleanup */
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cleanup_audiochebyshevfreqband (audiochebyshevfreqband);
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}
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GST_END_TEST;
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/* Test if data containing only one frequency component
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* at rate/2 is preserved with bandreject mode and a
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* 2000Hz frequency band around rate/4 */
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GST_START_TEST (test_br_22050hz)
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{
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GstElement *audiochebyshevfreqband;
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GstBuffer *inbuffer, *outbuffer;
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GstCaps *caps;
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gdouble *in, *res, rms;
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gint i;
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audiochebyshevfreqband = setup_audiochebyshevfreqband ();
|
|
/* Set to bandreject */
|
|
g_object_set (G_OBJECT (audiochebyshevfreqband), "mode", 1, NULL);
|
|
g_object_set (G_OBJECT (audiochebyshevfreqband), "poles", 8, NULL);
|
|
g_object_set (G_OBJECT (audiochebyshevfreqband), "type", 1, NULL);
|
|
g_object_set (G_OBJECT (audiochebyshevfreqband), "ripple", 0.25, NULL);
|
|
|
|
fail_unless (gst_element_set_state (audiochebyshevfreqband,
|
|
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
|
|
"could not set to playing");
|
|
|
|
g_object_set (G_OBJECT (audiochebyshevfreqband), "lower-frequency",
|
|
44100 / 4.0 - 1000, NULL);
|
|
g_object_set (G_OBJECT (audiochebyshevfreqband), "upper-frequency",
|
|
44100 / 4.0 + 1000, NULL);
|
|
inbuffer = gst_buffer_new_and_alloc (1024 * sizeof (gdouble));
|
|
in = (gdouble *) GST_BUFFER_DATA (inbuffer);
|
|
for (i = 0; i < 1024; i += 2) {
|
|
in[i] = 1.0;
|
|
in[i + 1] = -1.0;
|
|
}
|
|
|
|
caps = gst_caps_from_string (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 = (gdouble *) GST_BUFFER_DATA (outbuffer);
|
|
|
|
rms = 0.0;
|
|
for (i = 0; i < 1024; i++)
|
|
rms += res[i] * res[i];
|
|
rms = sqrt (rms / 1024.0);
|
|
fail_unless (rms >= 0.9);
|
|
|
|
/* cleanup */
|
|
cleanup_audiochebyshevfreqband (audiochebyshevfreqband);
|
|
}
|
|
|
|
GST_END_TEST;
|
|
|
|
Suite *
|
|
audiochebyshevfreqband_suite (void)
|
|
{
|
|
Suite *s = suite_create ("audiochebyshevfreqband");
|
|
TCase *tc_chain = tcase_create ("general");
|
|
|
|
suite_add_tcase (s, tc_chain);
|
|
tcase_add_test (tc_chain, test_bp_0hz);
|
|
tcase_add_test (tc_chain, test_bp_11025hz);
|
|
tcase_add_test (tc_chain, test_bp_22050hz);
|
|
tcase_add_test (tc_chain, test_br_0hz);
|
|
tcase_add_test (tc_chain, test_br_11025hz);
|
|
tcase_add_test (tc_chain, test_br_22050hz);
|
|
|
|
return s;
|
|
}
|
|
|
|
int
|
|
main (int argc, char **argv)
|
|
{
|
|
int nf;
|
|
|
|
Suite *s = audiochebyshevfreqband_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;
|
|
}
|