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Diffstat (limited to 'gst/audiotestsrc/gstaudiotestsrc.h')
| -rw-r--r-- | gst/audiotestsrc/gstaudiotestsrc.h | 142 |
1 files changed, 0 insertions, 142 deletions
diff --git a/gst/audiotestsrc/gstaudiotestsrc.h b/gst/audiotestsrc/gstaudiotestsrc.h deleted file mode 100644 index 69f73eda..00000000 --- a/gst/audiotestsrc/gstaudiotestsrc.h +++ /dev/null @@ -1,142 +0,0 @@ -/* GStreamer - * Copyright (C) 2005 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_TEST_SRC_H__ -#define __GST_AUDIO_TEST_SRC_H__ - - -#include <gst/gst.h> -#include <gst/base/gstbasesrc.h> - -G_BEGIN_DECLS - - -#define GST_TYPE_AUDIO_TEST_SRC \ - (gst_audio_test_src_get_type()) -#define GST_AUDIO_TEST_SRC(obj) \ - (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AUDIO_TEST_SRC,GstAudioTestSrc)) -#define GST_AUDIO_TEST_SRC_CLASS(klass) \ - (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_AUDIO_TEST_SRC,GstAudioTestSrcClass)) -#define GST_IS_AUDIO_TEST_SRC(obj) \ - (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AUDIO_TEST_SRC)) -#define GST_IS_AUDIO_TEST_SRC_CLASS(klass) \ - (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_AUDIO_TEST_SRC)) - -/** - * GstAudioTestSrcWave: - * @GST_AUDIO_TEST_SRC_WAVE_SINE: a sine wave - * @GST_AUDIO_TEST_SRC_WAVE_SQUARE: a square wave - * @GST_AUDIO_TEST_SRC_WAVE_SAW: a saw wave - * @GST_AUDIO_TEST_SRC_WAVE_TRIANGLE: a tringle wave - * @GST_AUDIO_TEST_SRC_WAVE_SILENCE: silence - * @GST_AUDIO_TEST_SRC_WAVE_WHITE_NOISE: white uniform noise - * @GST_AUDIO_TEST_SRC_WAVE_PINK_NOISE: pink noise - * @GST_AUDIO_TEST_SRC_WAVE_SINE_TAB: sine wave using a table - * @GST_AUDIO_TEST_SRC_WAVE_TICKS: periodic ticks - * @GST_AUDIO_TEST_SRC_WAVE_GAUSSIAN_WHITE_NOISE: white (zero mean) Gaussian noise; volume sets the standard deviation of the noise in units of the range of values of the sample type, e.g. volume=0.1 produces noise with a standard deviation of 0.1*32767=3277 with 16-bit integer samples, or 0.1*1.0=0.1 with floating-point samples. - * - * Different types of supported sound waves. - */ -typedef enum { - GST_AUDIO_TEST_SRC_WAVE_SINE, - GST_AUDIO_TEST_SRC_WAVE_SQUARE, - GST_AUDIO_TEST_SRC_WAVE_SAW, - GST_AUDIO_TEST_SRC_WAVE_TRIANGLE, - GST_AUDIO_TEST_SRC_WAVE_SILENCE, - GST_AUDIO_TEST_SRC_WAVE_WHITE_NOISE, - GST_AUDIO_TEST_SRC_WAVE_PINK_NOISE, - GST_AUDIO_TEST_SRC_WAVE_SINE_TAB, - GST_AUDIO_TEST_SRC_WAVE_TICKS, - GST_AUDIO_TEST_SRC_WAVE_GAUSSIAN_WHITE_NOISE -} GstAudioTestSrcWave; - -#define PINK_MAX_RANDOM_ROWS (30) -#define PINK_RANDOM_BITS (16) -#define PINK_RANDOM_SHIFT ((sizeof(long)*8)-PINK_RANDOM_BITS) - -typedef struct { - glong rows[PINK_MAX_RANDOM_ROWS]; - glong running_sum; /* Used to optimize summing of generators. */ - gint index; /* Incremented each sample. */ - gint index_mask; /* Index wrapped by ANDing with this mask. */ - gdouble scalar; /* Used to scale within range of -1.0 to +1.0 */ -} GstPinkNoise; - -typedef enum { - GST_AUDIO_TEST_SRC_FORMAT_NONE = -1, - GST_AUDIO_TEST_SRC_FORMAT_S16 = 0, - GST_AUDIO_TEST_SRC_FORMAT_S32, - GST_AUDIO_TEST_SRC_FORMAT_F32, - GST_AUDIO_TEST_SRC_FORMAT_F64 -} GstAudioTestSrcFormat; - -typedef struct _GstAudioTestSrc GstAudioTestSrc; -typedef struct _GstAudioTestSrcClass GstAudioTestSrcClass; - -typedef void (*ProcessFunc) (GstAudioTestSrc*, guint8 *); - -/** - * GstAudioTestSrc: - * - * audiotestsrc object structure. - */ -struct _GstAudioTestSrc { - GstBaseSrc parent; - - ProcessFunc process; - - /* parameters */ - GstAudioTestSrcWave wave; - gdouble volume; - gdouble freq; - - /* audio parameters */ - gint channels; - gint samplerate; - gint samples_per_buffer; - gint sample_size; - GstAudioTestSrcFormat format; - - /*< private >*/ - gboolean tags_pushed; /* send tags just once ? */ - GstClockTimeDiff timestamp_offset; /* base offset */ - GstClockTime next_time; /* next timestamp */ - gint64 next_sample; /* next sample to send */ - gint64 next_byte; /* next byte to send */ - gint64 sample_stop; - gboolean check_seek_stop; - gboolean eos_reached; - gint generate_samples_per_buffer; /* used to generate a partial buffer */ - gboolean can_activate_pull; - - /* waveform specific context data */ - gdouble accumulator; /* phase angle */ - GstPinkNoise pink; - gdouble wave_table[1024]; -}; - -struct _GstAudioTestSrcClass { - GstBaseSrcClass parent_class; -}; - -GType gst_audio_test_src_get_type (void); - -G_END_DECLS - -#endif /* __GST_AUDIO_TEST_SRC_H__ */ |