diff --git a/gst/smoothwave/Makefile.am b/gst/smoothwave/Makefile.am deleted file mode 100644 index 0559183f2b..0000000000 --- a/gst/smoothwave/Makefile.am +++ /dev/null @@ -1,19 +0,0 @@ - -plugin_LTLIBRARIES = libgstsmoothwave.la - -libgstsmoothwave_la_SOURCES = gstsmoothwave.c -libgstsmoothwave_la_CFLAGS = $(GST_CFLAGS) -libgstsmoothwave_la_LIBADD = -libgstsmoothwave_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS) -libgstsmoothwave_la_LIBTOOLFLAGS = --tag=disable-static - -noinst_HEADERS = gstsmoothwave.h - -if HAVE_GTK -noinst_PROGRAMS = demo-osssrc -demo_osssrc_SOURCES = demo-osssrc.c -demo_osssrc_CFLAGS = $(GST_CFLAGS) $(GTK_CFLAGS) -demo_osssrc_LDFLAGS = $(GST_LIBS) $(GTK_LIBS) -endif - -EXTRA_DIST = README diff --git a/gst/smoothwave/README b/gst/smoothwave/README deleted file mode 100644 index ff737852df..0000000000 --- a/gst/smoothwave/README +++ /dev/null @@ -1,6 +0,0 @@ -This is a home-grown visualization, with a couple lines of code copied -from synaesthesia. It draws the waveform in the bitmap, then fades out -the entire bitmap so older waveforms disappear. It looks OK, but it's -grayscale so far (haven't solved the cmap problems, note all the commented -out code). I'm going to try to make a much better version as time goes -on. diff --git a/gst/smoothwave/gstsmoothwave.c b/gst/smoothwave/gstsmoothwave.c deleted file mode 100644 index dbcd1a3553..0000000000 --- a/gst/smoothwave/gstsmoothwave.c +++ /dev/null @@ -1,440 +0,0 @@ -/* GStreamer - * Copyright (C) <1999> Erik Walthinsen - * - * 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 -#include - -#include -#include -#include - -#include "gstsmoothwave.h" - -/* SmoothWave signals and args */ -enum -{ - /* FILL ME */ - LAST_SIGNAL -}; - -static void gst_smoothwave_base_init (gpointer g_class); -static void gst_smoothwave_class_init (GstSmoothWaveClass * klass); -static void gst_smoothwave_init (GstSmoothWave * smoothwave); -static void gst_smoothwave_dispose (GObject * object); -static GstStateChangeReturn gst_sw_change_state (GstElement * element, - GstStateChange transition); -static void gst_smoothwave_chain (GstPad * pad, GstData * _data); -static GstPadLinkReturn gst_sw_sinklink (GstPad * pad, const GstCaps * caps); -static GstPadLinkReturn gst_sw_srclink (GstPad * pad, const GstCaps * caps); - -static GstElementClass *parent_class = NULL; - -/*static guint gst_smoothwave_signals[LAST_SIGNAL] = { 0 }; */ - -#if G_BYTE_ORDER == G_BIG_ENDIAN -static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src", - GST_PAD_SRC, - GST_PAD_ALWAYS, - GST_STATIC_CAPS ("video/x-raw-rgb, " - "bpp = (int) 32, " - "depth = (int) 24, " - "endianness = (int) BIG_ENDIAN, " - "red_mask = (int) " GST_VIDEO_BYTE2_MASK_32 ", " - "green_mask = (int) " GST_VIDEO_BYTE3_MASK_32 ", " - "blue_mask = (int) " GST_VIDEO_BYTE4_MASK_32 ", " - "width = (int)512, " - "height = (int)256, " "framerate = " GST_VIDEO_FPS_RANGE) - ); -#else -static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src", - GST_PAD_SRC, - GST_PAD_ALWAYS, - GST_STATIC_CAPS ("video/x-raw-rgb, " - "bpp = (int) 32, " - "depth = (int) 24, " - "endianness = (int) BIG_ENDIAN, " - "red_mask = (int) " GST_VIDEO_BYTE3_MASK_32 ", " - "green_mask = (int) " GST_VIDEO_BYTE2_MASK_32 ", " - "blue_mask = (int) " GST_VIDEO_BYTE1_MASK_32 ", " - "width = (int)512, " - "height = (int)256, " "framerate = " GST_VIDEO_FPS_RANGE) - ); -#endif - -static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink", - GST_PAD_SINK, - GST_PAD_ALWAYS, - GST_STATIC_CAPS ("audio/x-raw-int, " - "rate = (int) [ 1, MAX ], " - "channels = (int) [ 1, 2 ], " - "endianness = (int) BYTE_ORDER, " - "width = (int) 16, " "depth = (int) 16, " "signed = (boolean) true") - ); - -GType -gst_smoothwave_get_type (void) -{ - static GType smoothwave_type = 0; - - if (!smoothwave_type) { - static const GTypeInfo smoothwave_info = { - sizeof (GstSmoothWaveClass), - gst_smoothwave_base_init, - NULL, - (GClassInitFunc) gst_smoothwave_class_init, - NULL, - NULL, - sizeof (GstSmoothWave), - 0, - (GInstanceInitFunc) gst_smoothwave_init, - }; - - smoothwave_type = - g_type_register_static (GST_TYPE_ELEMENT, "GstSmoothWave", - &smoothwave_info, 0); - } - return smoothwave_type; -} - -static void -gst_smoothwave_base_init (gpointer g_class) -{ - GstElementClass *element_class = GST_ELEMENT_CLASS (g_class); - - gst_element_class_set_details_simple (element_class, "Smooth waveform", - "Visualization", - "Fading grayscale waveform display", - "Erik Walthinsen "); -} - -static void -gst_smoothwave_class_init (GstSmoothWaveClass * klass) -{ - GObjectClass *gobject_class; - GstElementClass *element_class; - - gobject_class = (GObjectClass *) klass; - element_class = (GstElementClass *) klass; - - parent_class = g_type_class_peek_parent (klass); - - gobject_class->dispose = gst_smoothwave_dispose; - element_class->change_state = gst_sw_change_state; - - 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)); -} - -static void -gst_smoothwave_init (GstSmoothWave * smoothwave) -{ - int i; - - smoothwave->sinkpad = - gst_pad_new_from_static_template (&sink_template, "sink"); - smoothwave->srcpad = gst_pad_new_from_static_template (&src_template, "src"); - gst_element_add_pad (GST_ELEMENT (smoothwave), smoothwave->sinkpad); - gst_pad_set_chain_function (smoothwave->sinkpad, gst_smoothwave_chain); - gst_pad_set_link_function (smoothwave->sinkpad, gst_sw_sinklink); - - gst_element_add_pad (GST_ELEMENT (smoothwave), smoothwave->srcpad); - gst_pad_set_link_function (smoothwave->srcpad, gst_sw_srclink); - - GST_OBJECT_FLAG_SET (smoothwave, GST_ELEMENT_EVENT_AWARE); - - smoothwave->adapter = gst_adapter_new (); - - smoothwave->width = 512; - smoothwave->height = 256; - -#define SPLIT_PT 96 - - /* Fade in blue up to the split point */ - for (i = 0; i < SPLIT_PT; i++) - smoothwave->palette[i] = (255 * i / SPLIT_PT); - - /* After the split point, fade out blue and fade in red */ - for (; i < 256; i++) { - gint val = (i - SPLIT_PT) * 255 / (255 - SPLIT_PT); - - smoothwave->palette[i] = (255 - val) | (val << 16); - } - - smoothwave->imagebuffer = g_malloc (smoothwave->width * smoothwave->height); - memset (smoothwave->imagebuffer, 0, smoothwave->width * smoothwave->height); - - smoothwave->fps = 0; - smoothwave->sample_rate = 0; - smoothwave->audio_basetime = GST_CLOCK_TIME_NONE; - smoothwave->samples_consumed = 0; -} - -inline guchar * -draw_line (guchar * cur_pos, gint diff_y, gint stride) -{ - gint j; - - if (diff_y > 0) { - for (j = diff_y; j > 0; j--) { - cur_pos += stride; - *cur_pos = 0xff; - } - } else if (diff_y < 0) { - for (j = diff_y; j < 0; j++) { - cur_pos -= stride; - *cur_pos = 0xff; - } - } else { - *cur_pos = 0xff; - } - return cur_pos; -} - -static void -gst_smoothwave_dispose (GObject * object) -{ - GstSmoothWave *sw = GST_SMOOTHWAVE (object); - - if (sw->adapter != NULL) { - g_object_unref (sw->adapter); - sw->adapter = NULL; - } - G_OBJECT_CLASS (parent_class)->dispose (object); -} - -static GstPadLinkReturn -gst_sw_sinklink (GstPad * pad, const GstCaps * caps) -{ - GstSmoothWave *sw = GST_SMOOTHWAVE (GST_OBJECT_PARENT (pad)); - GstStructure *structure; - - g_return_val_if_fail (sw != NULL, GST_PAD_LINK_REFUSED); - - structure = gst_caps_get_structure (caps, 0); - if (!gst_structure_get_int (structure, "channels", &sw->channels) || - !gst_structure_get_int (structure, "rate", &sw->sample_rate)) - return GST_PAD_LINK_REFUSED; - - return GST_PAD_LINK_OK; -} - -static GstPadLinkReturn -gst_sw_srclink (GstPad * pad, const GstCaps * caps) -{ - GstSmoothWave *sw = GST_SMOOTHWAVE (GST_OBJECT_PARENT (pad)); - GstStructure *structure; - - g_return_val_if_fail (sw != NULL, GST_PAD_LINK_REFUSED); - - structure = gst_caps_get_structure (caps, 0); - if (!gst_structure_get_int (structure, "width", &sw->width) || - !gst_structure_get_int (structure, "height", &sw->height) || - !gst_structure_get_double (structure, "framerate", &sw->fps)) - return GST_PAD_LINK_REFUSED; - - return GST_PAD_LINK_OK; -} - -static void -gst_smoothwave_chain (GstPad * pad, GstData * _data) -{ - GstBuffer *buf = GST_BUFFER (_data); - GstSmoothWave *smoothwave; - guint32 bytesperread; - gint samples_per_frame; - - g_return_if_fail (pad != NULL); - g_return_if_fail (GST_IS_PAD (pad)); - g_return_if_fail (buf != NULL); - - smoothwave = GST_SMOOTHWAVE (GST_OBJECT_PARENT (pad)); - - if (GST_IS_EVENT (_data)) { - GstEvent *event = GST_EVENT (_data); - - switch (GST_EVENT_TYPE (event)) { - case GST_EVENT_DISCONTINUOUS: - { - gint64 value = 0; - - gst_event_discont_get_value (event, GST_FORMAT_TIME, &value); - gst_adapter_clear (smoothwave->adapter); - smoothwave->audio_basetime = value; - smoothwave->samples_consumed = 0; - } - default: - gst_pad_event_default (pad, event); - break; - } - return; - } - - if (!GST_PAD_IS_USABLE (smoothwave->srcpad)) { - gst_buffer_unref (buf); - return; - } - if (smoothwave->audio_basetime == GST_CLOCK_TIME_NONE) - smoothwave->audio_basetime = GST_BUFFER_TIMESTAMP (buf); - if (smoothwave->audio_basetime == GST_CLOCK_TIME_NONE) - smoothwave->audio_basetime = 0; - - bytesperread = smoothwave->width * smoothwave->channels * sizeof (gint16); - samples_per_frame = smoothwave->sample_rate / smoothwave->fps; - - gst_adapter_push (smoothwave->adapter, buf); - while (gst_adapter_available (smoothwave->adapter) > MAX (bytesperread, - samples_per_frame * smoothwave->channels * sizeof (gint16))) { - guint32 *ptr; - gint i; - gint qheight; - const gint16 *samples = - (const guint16 *) gst_adapter_peek (smoothwave->adapter, bytesperread); - gint stride = smoothwave->width; - - /* First draw the new waveform */ - if (smoothwave->channels == 2) { - guchar *cur_pos[2]; - gint prev_y[2]; - - qheight = smoothwave->height / 4; - prev_y[0] = (gint32) (*samples) * qheight / 32768; - samples++; - prev_y[1] = (gint32) (*samples) * qheight / 32768; - samples++; - cur_pos[0] = smoothwave->imagebuffer + ((prev_y[0] + qheight) * stride); - cur_pos[1] = - smoothwave->imagebuffer + ((prev_y[1] + - (3 * smoothwave->height / 4)) * stride); - *(cur_pos[0]) = 0xff; - *(cur_pos[1]) = 0xff; - - for (i = 1; i < smoothwave->width; i++) { - gint diff_y = (gint) (*samples) * qheight / 32768 - prev_y[0]; - - samples++; - cur_pos[0] = draw_line (cur_pos[0], diff_y, stride); - cur_pos[0]++; - prev_y[0] += diff_y; - - diff_y = (gint) (*samples) * qheight / 32768 - prev_y[1]; - samples++; - cur_pos[1] = draw_line (cur_pos[1], diff_y, stride); - cur_pos[1]++; - prev_y[1] += diff_y; - } - } else { - qheight = smoothwave->height / 2; - guchar *cur_pos; - gint prev_y; - - prev_y = (gint32) (*samples) * qheight / 32768; - samples++; - cur_pos = smoothwave->imagebuffer + ((prev_y + qheight) * stride); - *cur_pos = 0xff; - for (i = 1; i < smoothwave->width; i++) { - gint diff_y = (gint) (*samples) * qheight / 32768 - prev_y; - - samples++; - cur_pos = draw_line (cur_pos, diff_y, stride); - cur_pos++; - prev_y += diff_y; - } - } - - /* Now fade stuff out */ - ptr = (guint32 *) smoothwave->imagebuffer; - for (i = 0; i < (smoothwave->width * smoothwave->height) / 4; i++) { - if (*ptr) - *ptr -= ((*ptr & 0xf0f0f0f0ul) >> 4) + ((*ptr & 0xe0e0e0e0ul) >> 5); - ptr++; - } - - { - guint32 *out; - guchar *in; - GstBuffer *bufout; - - bufout = - gst_buffer_new_and_alloc (smoothwave->width * smoothwave->height * 4); - - GST_BUFFER_TIMESTAMP (bufout) = - smoothwave->audio_basetime + - (GST_SECOND * smoothwave->samples_consumed / smoothwave->sample_rate); - GST_BUFFER_DURATION (bufout) = GST_SECOND / smoothwave->fps; - out = (guint32 *) GST_BUFFER_DATA (bufout); - in = smoothwave->imagebuffer; - - for (i = 0; i < (smoothwave->width * smoothwave->height); i++) { - *out++ = smoothwave->palette[*in++]; // t | (t << 8) | (t << 16) | (t << 24); - } - gst_pad_push (smoothwave->srcpad, GST_DATA (bufout)); - } - smoothwave->samples_consumed += samples_per_frame; - gst_adapter_flush (smoothwave->adapter, - samples_per_frame * smoothwave->channels * sizeof (gint16)); - } -} - -static GstStateChangeReturn -gst_sw_change_state (GstElement * element, GstStateChange transition) -{ - GstSmoothWave *sw = GST_SMOOTHWAVE (element); - - switch (transition) { - case GST_STATE_CHANGE_NULL_TO_READY: - break; - case GST_STATE_CHANGE_READY_TO_NULL: - break; - case GST_STATE_CHANGE_READY_TO_PAUSED: - sw->audio_basetime = GST_CLOCK_TIME_NONE; - gst_adapter_clear (sw->adapter); - break; - case GST_STATE_CHANGE_PAUSED_TO_READY: - sw->channels = 0; - break; - default: - break; - } - - return GST_ELEMENT_CLASS (parent_class)->change_state (element, transition); -} - -static gboolean -plugin_init (GstPlugin * plugin) -{ - if (!gst_library_load ("gstbytestream")) - return FALSE; - - if (!gst_element_register (plugin, "smoothwave", GST_RANK_NONE, - GST_TYPE_SMOOTHWAVE)) - return FALSE; - - return TRUE; -} - -GST_PLUGIN_DEFINE (GST_VERSION_MAJOR, - GST_VERSION_MINOR, - "smoothwave", - "Fading greyscale waveform display", - plugin_init, VERSION, "LGPL", GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN) diff --git a/gst/smoothwave/gstsmoothwave.h b/gst/smoothwave/gstsmoothwave.h deleted file mode 100644 index 3b46d47479..0000000000 --- a/gst/smoothwave/gstsmoothwave.h +++ /dev/null @@ -1,78 +0,0 @@ -/* GStreamer - * Copyright (C) <1999> Erik Walthinsen - * - * 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_SMOOTHWAVE_H__ -#define __GST_SMOOTHWAVE_H__ - - -#include -#include - -#ifdef __cplusplus -extern "C" -{ -#endif /* __cplusplus */ - -#define GST_TYPE_SMOOTHWAVE \ - (gst_smoothwave_get_type()) -#define GST_SMOOTHWAVE(obj) \ - (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_SMOOTHWAVE,GstSmoothWave)) -#define GST_SMOOTHWAVE_CLASS(klass) \ - (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_SMOOTHWAVE,GstSmoothWaveClass)) -#define GST_IS_SMOOTHWAVE(obj) \ - (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_SMOOTHWAVE)) -#define GST_IS_SMOOTHWAVE_CLASS(klass) \ - (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_SMOOTHWAVE)) - - typedef struct _GstSmoothWave GstSmoothWave; - typedef struct _GstSmoothWaveClass GstSmoothWaveClass; - - struct _GstSmoothWave - { - GstElement element; - - GstPad *sinkpad, *srcpad; - GstAdapter *adapter; - - guchar *imagebuffer; - GstClockTime audio_basetime; - guint64 samples_consumed; - - gint sample_rate; - gint width, height; - gdouble fps; - gint channels; - guint32 palette[256]; - }; - - struct _GstSmoothWaveClass - { - GstElementClass parent_class; - }; - - GType gst_smoothwave_get_type (void); - - -#ifdef __cplusplus -} -#endif /* __cplusplus */ - - -#endif /* __GST_SMOOTHWAVE_H__ */