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audiovisualizers: rename baseclass from basescope to baseaudiovisualizer

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This commit is contained in:
Stefan Kost 2011-06-04 14:33:29 +03:00
parent 45464a038e
commit 8b1b28dbc0
9 changed files with 270 additions and 255 deletions
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2
gst/audiovisualizers/Makefile.am
View file

@ -16,7 +16,7 @@ libgstaudiovisualizers_la_LIBADD = \
libgstaudiovisualizers_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
libgstaudiovisualizers_la_LIBTOOLFLAGS = --tag=disable-static
noinst_HEADERS = gstbasescope.h \
noinst_HEADERS = gstbaseaudiovisualizer.h \
gstspectrascope.h gstsynaescope.h gstwavescope.h
Android.mk: Makefile.am $(BUILT_SOURCES)

394
gst/audiovisualizers/gstbasescope.c → gst/audiovisualizers/gstbaseaudiovisualizer.c
View file

@ -1,7 +1,7 @@
/* GStreamer
* Copyright (C) <2011> Stefan Kost <ensonic@users.sf.net>
*
* gstbasescope.h: base class for audio visualisation elements
* gstbaseaudiovisualizer.h: base class for audio visualisation elements
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@ -18,7 +18,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/**
* SECTION:gstbasescope
* SECTION:gstbaseaudiovisualizer
*
* A basclass for scopes. Takes care of re-fitting the audio-rate to video-rate.
*/
@ -29,12 +29,12 @@
#include <string.h>
#include <gst/controller/gstcontroller.h>
#include "gstbasescope.h"
#include "gstbaseaudiovisualizer.h"
GST_DEBUG_CATEGORY_STATIC (base_scope_debug);
#define GST_CAT_DEFAULT (base_scope_debug)
GST_DEBUG_CATEGORY_STATIC (base_audio_visualizer_debug);
#define GST_CAT_DEFAULT (base_audio_visualizer_debug)
#define DEFAULT_SHADER GST_BASE_SCOPE_SHADER_FADE
#define DEFAULT_SHADER GST_BASE_AUDIO_VISUALIZER_SHADER_FADE
#define DEFAULT_SHADE_AMOUNT 0x000a0a0a
enum
@ -46,51 +46,57 @@ enum
static GstBaseTransformClass *parent_class = NULL;
static void gst_base_scope_class_init (GstBaseScopeClass * klass);
static void gst_base_scope_init (GstBaseScope * scope,
GstBaseScopeClass * g_class);
static void gst_base_scope_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_base_scope_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static void gst_base_scope_dispose (GObject * object);
static void gst_base_audio_visualizer_class_init (GstBaseAudioVisualizerClass *
klass);
static void gst_base_audio_visualizer_init (GstBaseAudioVisualizer * scope,
GstBaseAudioVisualizerClass * g_class);
static void gst_base_audio_visualizer_set_property (GObject * object,
guint prop_id, const GValue * value, GParamSpec * pspec);
static void gst_base_audio_visualizer_get_property (GObject * object,
guint prop_id, GValue * value, GParamSpec * pspec);
static void gst_base_audio_visualizer_dispose (GObject * object);
static gboolean gst_base_scope_src_negotiate (GstBaseScope * scope);
static gboolean gst_base_scope_src_setcaps (GstPad * pad, GstCaps * caps);
static gboolean gst_base_scope_sink_setcaps (GstPad * pad, GstCaps * caps);
static gboolean gst_base_audio_visualizer_src_negotiate (GstBaseAudioVisualizer
* scope);
static gboolean gst_base_audio_visualizer_src_setcaps (GstPad * pad,
GstCaps * caps);
static gboolean gst_base_audio_visualizer_sink_setcaps (GstPad * pad,
GstCaps * caps);
static GstFlowReturn gst_base_scope_chain (GstPad * pad, GstBuffer * buffer);
static GstStateChangeReturn gst_base_scope_change_state (GstElement * element,
GstStateChange transition);
static GstFlowReturn gst_base_audio_visualizer_chain (GstPad * pad,
GstBuffer * buffer);
static GstStateChangeReturn gst_base_audio_visualizer_change_state (GstElement *
element, GstStateChange transition);
/* shading functions */
#define GST_TYPE_BASE_SCOPE_SHADER (gst_base_scope_shader_get_type())
#define GST_TYPE_BASE_AUDIO_VISUALIZER_SHADER (gst_base_audio_visualizer_shader_get_type())
static GType
gst_base_scope_shader_get_type (void)
gst_base_audio_visualizer_shader_get_type (void)
{
static GType shader_type = 0;
static const GEnumValue shaders[] = {
{GST_BASE_SCOPE_SHADER_NONE, "None", "none"},
{GST_BASE_SCOPE_SHADER_FADE, "Fade", "fade"},
{GST_BASE_SCOPE_SHADER_FADE_AND_MOVE_UP, "Fade and move up",
{GST_BASE_AUDIO_VISUALIZER_SHADER_NONE, "None", "none"},
{GST_BASE_AUDIO_VISUALIZER_SHADER_FADE, "Fade", "fade"},
{GST_BASE_AUDIO_VISUALIZER_SHADER_FADE_AND_MOVE_UP, "Fade and move up",
"fade-and-move-up"},
{GST_BASE_SCOPE_SHADER_FADE_AND_MOVE_DOWN, "Fade and move down",
{GST_BASE_AUDIO_VISUALIZER_SHADER_FADE_AND_MOVE_DOWN, "Fade and move down",
"fade-and-move-down"},
{GST_BASE_SCOPE_SHADER_FADE_AND_MOVE_HORIZ_OUT,
{GST_BASE_AUDIO_VISUALIZER_SHADER_FADE_AND_MOVE_HORIZ_OUT,
"Fade and move horizontaly out",
"fade-and-move-horiz-out"},
{0, NULL, NULL},
};
if (G_UNLIKELY (shader_type == 0)) {
shader_type = g_enum_register_static ("GstBaseScopeShader", shaders);
shader_type =
g_enum_register_static ("GstBaseAudioVisualizerShader", shaders);
}
return shader_type;
}
static void
shader_fade (GstBaseScope * scope, const guint8 * s, guint8 * d)
shader_fade (GstBaseAudioVisualizer * scope, const guint8 * s, guint8 * d)
{
guint i, bpf = scope->bpf;
guint r = (scope->shade_amount >> 16) & 0xff;
@ -122,112 +128,114 @@ shader_fade (GstBaseScope * scope, const guint8 * s, guint8 * d)
}
static void
shader_fade_and_move_up (GstBaseScope * scope, const guint8 * s, guint8 * d)
{
guint i, j, bpf = scope->bpf;
guint bpl = 4 * scope->width;
guint r = (scope->shade_amount >> 16) & 0xff;
guint g = (scope->shade_amount >> 8) & 0xff;
guint b = (scope->shade_amount >> 0) & 0xff;
#if G_BYTE_ORDER == G_LITTLE_ENDIAN
for (j = 0, i = bpl; i < bpf;) {
d[j++] = (s[i] > b) ? s[i] - b : 0;
i++;
d[j++] = (s[i] > g) ? s[i] - g : 0;
i++;
d[j++] = (s[i] > r) ? s[i] - r : 0;
i++;
d[j++] = 0;
i++;
}
for (i = 0; i < bpl; i += 4) {
d[j] = (s[j] > b) ? s[j] - b : 0;
j++;
d[j] = (s[j] > g) ? s[j] - g : 0;
j++;
d[j] = (s[j] > r) ? s[j] - r : 0;
j++;
d[j++] = 0;
}
#else
for (j = 0, i = bpl; i < bpf;) {
d[j++] = 0;
i++;
d[j++] = (s[i] > r) ? s[i] - r : 0;
i++;
d[j++] = (s[i] > g) ? s[i] - g : 0;
i++;
d[j++] = (s[i] > b) ? s[i] - b : 0;
i++;
}
for (i = 0; i < bpl; i += 4) {
d[j++] = 0;
d[j] = (s[j] > r) ? s[j] - r : 0;
j++;
d[j] = (s[j] > g) ? s[j] - g : 0;
j++;
d[j] = (s[j] > b) ? s[j] - b : 0;
j++;
}
#endif
}
static void
shader_fade_and_move_down (GstBaseScope * scope, const guint8 * s, guint8 * d)
{
guint i, j, bpf = scope->bpf;
guint bpl = 4 * scope->width;
guint r = (scope->shade_amount >> 16) & 0xff;
guint g = (scope->shade_amount >> 8) & 0xff;
guint b = (scope->shade_amount >> 0) & 0xff;
#if G_BYTE_ORDER == G_LITTLE_ENDIAN
for (i = 0; i < bpl;) {
d[i] = (s[i] > b) ? s[i] - b : 0;
i++;
d[i] = (s[i] > g) ? s[i] - g : 0;
i++;
d[i] = (s[i] > r) ? s[i] - r : 0;
i++;
d[i++] = 0;
}
for (j = bpl, i = 0; j < bpf;) {
d[j++] = (s[i] > b) ? s[i] - b : 0;
i++;
d[j++] = (s[i] > g) ? s[i] - g : 0;
i++;
d[j++] = (s[i] > r) ? s[i] - r : 0;
i++;
d[j++] = 0;
i++;
}
#else
for (i = 0; i < bpl;) {
d[i++] = 0;
d[i] = (s[i] > r) ? s[i] - r : 0;
i++;
d[i] = (s[i] > g) ? s[i] - g : 0;
i++;
d[i] = (s[i] > b) ? s[i] - b : 0;
i++;
}
for (j = bpl, i = 0; j < bpf;) {
d[j++] = 0;
i++;
d[j++] = (s[i] > r) ? s[i] - r : 0;
i++;
d[j++] = (s[i] > g) ? s[i] - g : 0;
i++;
d[j++] = (s[i] > b) ? s[i] - b : 0;
i++;
}
#endif
}
static void
shader_fade_and_move_horiz_out (GstBaseScope * scope, const guint8 * s,
shader_fade_and_move_up (GstBaseAudioVisualizer * scope, const guint8 * s,
guint8 * d)
{
guint i, j, bpf = scope->bpf;
guint bpl = 4 * scope->width;
guint r = (scope->shade_amount >> 16) & 0xff;
guint g = (scope->shade_amount >> 8) & 0xff;
guint b = (scope->shade_amount >> 0) & 0xff;
#if G_BYTE_ORDER == G_LITTLE_ENDIAN
for (j = 0, i = bpl; i < bpf;) {
d[j++] = (s[i] > b) ? s[i] - b : 0;
i++;
d[j++] = (s[i] > g) ? s[i] - g : 0;
i++;
d[j++] = (s[i] > r) ? s[i] - r : 0;
i++;
d[j++] = 0;
i++;
}
for (i = 0; i < bpl; i += 4) {
d[j] = (s[j] > b) ? s[j] - b : 0;
j++;
d[j] = (s[j] > g) ? s[j] - g : 0;
j++;
d[j] = (s[j] > r) ? s[j] - r : 0;
j++;
d[j++] = 0;
}
#else
for (j = 0, i = bpl; i < bpf;) {
d[j++] = 0;
i++;
d[j++] = (s[i] > r) ? s[i] - r : 0;
i++;
d[j++] = (s[i] > g) ? s[i] - g : 0;
i++;
d[j++] = (s[i] > b) ? s[i] - b : 0;
i++;
}
for (i = 0; i < bpl; i += 4) {
d[j++] = 0;
d[j] = (s[j] > r) ? s[j] - r : 0;
j++;
d[j] = (s[j] > g) ? s[j] - g : 0;
j++;
d[j] = (s[j] > b) ? s[j] - b : 0;
j++;
}
#endif
}
static void
shader_fade_and_move_down (GstBaseAudioVisualizer * scope, const guint8 * s,
guint8 * d)
{
guint i, j, bpf = scope->bpf;
guint bpl = 4 * scope->width;
guint r = (scope->shade_amount >> 16) & 0xff;
guint g = (scope->shade_amount >> 8) & 0xff;
guint b = (scope->shade_amount >> 0) & 0xff;
#if G_BYTE_ORDER == G_LITTLE_ENDIAN
for (i = 0; i < bpl;) {
d[i] = (s[i] > b) ? s[i] - b : 0;
i++;
d[i] = (s[i] > g) ? s[i] - g : 0;
i++;
d[i] = (s[i] > r) ? s[i] - r : 0;
i++;
d[i++] = 0;
}
for (j = bpl, i = 0; j < bpf;) {
d[j++] = (s[i] > b) ? s[i] - b : 0;
i++;
d[j++] = (s[i] > g) ? s[i] - g : 0;
i++;
d[j++] = (s[i] > r) ? s[i] - r : 0;
i++;
d[j++] = 0;
i++;
}
#else
for (i = 0; i < bpl;) {
d[i++] = 0;
d[i] = (s[i] > r) ? s[i] - r : 0;
i++;
d[i] = (s[i] > g) ? s[i] - g : 0;
i++;
d[i] = (s[i] > b) ? s[i] - b : 0;
i++;
}
for (j = bpl, i = 0; j < bpf;) {
d[j++] = 0;
i++;
d[j++] = (s[i] > r) ? s[i] - r : 0;
i++;
d[j++] = (s[i] > g) ? s[i] - g : 0;
i++;
d[j++] = (s[i] > b) ? s[i] - b : 0;
i++;
}
#endif
}
static void
shader_fade_and_move_horiz_out (GstBaseAudioVisualizer * scope,
const guint8 * s, guint8 * d)
{
guint i, j, bpf = scope->bpf / 2;
guint bpl = 4 * scope->width;
@ -322,22 +330,22 @@ shader_fade_and_move_horiz_out (GstBaseScope * scope, const guint8 * s,
static void
gst_base_scope_change_shader (GstBaseScope * scope)
gst_base_audio_visualizer_change_shader (GstBaseAudioVisualizer * scope)
{
switch (scope->shader_type) {
case GST_BASE_SCOPE_SHADER_NONE:
case GST_BASE_AUDIO_VISUALIZER_SHADER_NONE:
scope->shader = NULL;
break;
case GST_BASE_SCOPE_SHADER_FADE:
case GST_BASE_AUDIO_VISUALIZER_SHADER_FADE:
scope->shader = shader_fade;
break;
case GST_BASE_SCOPE_SHADER_FADE_AND_MOVE_UP:
case GST_BASE_AUDIO_VISUALIZER_SHADER_FADE_AND_MOVE_UP:
scope->shader = shader_fade_and_move_up;
break;
case GST_BASE_SCOPE_SHADER_FADE_AND_MOVE_DOWN:
case GST_BASE_AUDIO_VISUALIZER_SHADER_FADE_AND_MOVE_DOWN:
scope->shader = shader_fade_and_move_down;
break;
case GST_BASE_SCOPE_SHADER_FADE_AND_MOVE_HORIZ_OUT:
case GST_BASE_AUDIO_VISUALIZER_SHADER_FADE_AND_MOVE_HORIZ_OUT:
scope->shader = shader_fade_and_move_horiz_out;
break;
default:
@ -350,52 +358,54 @@ gst_base_scope_change_shader (GstBaseScope * scope)
/* base class */
GType
gst_base_scope_get_type (void)
gst_base_audio_visualizer_get_type (void)
{
static volatile gsize base_scope_type = 0;
static volatile gsize base_audio_visualizer_type = 0;
if (g_once_init_enter (&base_scope_type)) {
static const GTypeInfo base_scope_info = {
sizeof (GstBaseScopeClass),
if (g_once_init_enter (&base_audio_visualizer_type)) {
static const GTypeInfo base_audio_visualizer_info = {
sizeof (GstBaseAudioVisualizerClass),
NULL,
NULL,
(GClassInitFunc) gst_base_scope_class_init,
(GClassInitFunc) gst_base_audio_visualizer_class_init,
NULL,
NULL,
sizeof (GstBaseScope),
sizeof (GstBaseAudioVisualizer),
0,
(GInstanceInitFunc) gst_base_scope_init,
(GInstanceInitFunc) gst_base_audio_visualizer_init,
};
GType _type;
_type = g_type_register_static (GST_TYPE_ELEMENT,
"GstBaseScope", &base_scope_info, G_TYPE_FLAG_ABSTRACT);
g_once_init_leave (&base_scope_type, _type);
"GstBaseAudioVisualizer", &base_audio_visualizer_info,
G_TYPE_FLAG_ABSTRACT);
g_once_init_leave (&base_audio_visualizer_type, _type);
}
return (GType) base_scope_type;
return (GType) base_audio_visualizer_type;
}
static void
gst_base_scope_class_init (GstBaseScopeClass * klass)
gst_base_audio_visualizer_class_init (GstBaseAudioVisualizerClass * klass)
{
GObjectClass *gobject_class = (GObjectClass *) klass;
GstElementClass *element_class = (GstElementClass *) klass;
parent_class = g_type_class_peek_parent (klass);
GST_DEBUG_CATEGORY_INIT (base_scope_debug, "basescope", 0,
"scope audio visualisation base class");
GST_DEBUG_CATEGORY_INIT (base_audio_visualizer_debug, "baseaudiovisualizer",
0, "scope audio visualisation base class");
gobject_class->set_property = gst_base_scope_set_property;
gobject_class->get_property = gst_base_scope_get_property;
gobject_class->dispose = gst_base_scope_dispose;
gobject_class->set_property = gst_base_audio_visualizer_set_property;
gobject_class->get_property = gst_base_audio_visualizer_get_property;
gobject_class->dispose = gst_base_audio_visualizer_dispose;
element_class->change_state = GST_DEBUG_FUNCPTR (gst_base_scope_change_state);
element_class->change_state =
GST_DEBUG_FUNCPTR (gst_base_audio_visualizer_change_state);
g_object_class_install_property (gobject_class, PROP_SHADER,
g_param_spec_enum ("shader", "shader type",
"Shader function to apply on each frame", GST_TYPE_BASE_SCOPE_SHADER,
DEFAULT_SHADER,
"Shader function to apply on each frame",
GST_TYPE_BASE_AUDIO_VISUALIZER_SHADER, DEFAULT_SHADER,
G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_SHADE_AMOUNT,
g_param_spec_uint ("shade-amount", "shade amount",
@ -405,7 +415,8 @@ gst_base_scope_class_init (GstBaseScopeClass * klass)
}
static void
gst_base_scope_init (GstBaseScope * scope, GstBaseScopeClass * g_class)
gst_base_audio_visualizer_init (GstBaseAudioVisualizer * scope,
GstBaseAudioVisualizerClass * g_class)
{
GstPadTemplate *pad_template;
@ -415,9 +426,9 @@ gst_base_scope_init (GstBaseScope * scope, GstBaseScopeClass * g_class)
g_return_if_fail (pad_template != NULL);
scope->sinkpad = gst_pad_new_from_template (pad_template, "sink");
gst_pad_set_chain_function (scope->sinkpad,
GST_DEBUG_FUNCPTR (gst_base_scope_chain));
GST_DEBUG_FUNCPTR (gst_base_audio_visualizer_chain));
gst_pad_set_setcaps_function (scope->sinkpad,
GST_DEBUG_FUNCPTR (gst_base_scope_sink_setcaps));
GST_DEBUG_FUNCPTR (gst_base_audio_visualizer_sink_setcaps));
gst_element_add_pad (GST_ELEMENT (scope), scope->sinkpad);
pad_template =
@ -425,7 +436,7 @@ gst_base_scope_init (GstBaseScope * scope, GstBaseScopeClass * g_class)
g_return_if_fail (pad_template != NULL);
scope->srcpad = gst_pad_new_from_template (pad_template, "src");
gst_pad_set_setcaps_function (scope->srcpad,
GST_DEBUG_FUNCPTR (gst_base_scope_src_setcaps));
GST_DEBUG_FUNCPTR (gst_base_audio_visualizer_src_setcaps));
gst_element_add_pad (GST_ELEMENT (scope), scope->srcpad);
scope->adapter = gst_adapter_new ();
@ -433,7 +444,7 @@ gst_base_scope_init (GstBaseScope * scope, GstBaseScopeClass * g_class)
/* properties */
scope->shader_type = DEFAULT_SHADER;
gst_base_scope_change_shader (scope);
gst_base_audio_visualizer_change_shader (scope);
scope->shade_amount = DEFAULT_SHADE_AMOUNT;
/* reset the initial video state */
@ -452,15 +463,15 @@ gst_base_scope_init (GstBaseScope * scope, GstBaseScopeClass * g_class)
}
static void
gst_base_scope_set_property (GObject * object, guint prop_id,
gst_base_audio_visualizer_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstBaseScope *scope = GST_BASE_SCOPE (object);
GstBaseAudioVisualizer *scope = GST_BASE_AUDIO_VISUALIZER (object);
switch (prop_id) {
case PROP_SHADER:
scope->shader_type = g_value_get_enum (value);
gst_base_scope_change_shader (scope);
gst_base_audio_visualizer_change_shader (scope);
break;
case PROP_SHADE_AMOUNT:
scope->shade_amount = g_value_get_uint (value);
@ -472,10 +483,10 @@ gst_base_scope_set_property (GObject * object, guint prop_id,
}
static void
gst_base_scope_get_property (GObject * object, guint prop_id,
gst_base_audio_visualizer_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstBaseScope *scope = GST_BASE_SCOPE (object);
GstBaseAudioVisualizer *scope = GST_BASE_AUDIO_VISUALIZER (object);
switch (prop_id) {
case PROP_SHADER:
@ -491,9 +502,9 @@ gst_base_scope_get_property (GObject * object, guint prop_id,
}
static void
gst_base_scope_dispose (GObject * object)
gst_base_audio_visualizer_dispose (GObject * object)
{
GstBaseScope *scope = GST_BASE_SCOPE (object);
GstBaseAudioVisualizer *scope = GST_BASE_AUDIO_VISUALIZER (object);
if (scope->adapter) {
g_object_unref (scope->adapter);
@ -511,15 +522,15 @@ gst_base_scope_dispose (GObject * object)
}
static gboolean
gst_base_scope_sink_setcaps (GstPad * pad, GstCaps * caps)
gst_base_audio_visualizer_sink_setcaps (GstPad * pad, GstCaps * caps)
{
GstBaseScope *scope;
GstBaseAudioVisualizer *scope;
GstStructure *structure;
gint channels;
gint rate;
gboolean res = TRUE;
scope = GST_BASE_SCOPE (gst_pad_get_parent (pad));
scope = GST_BASE_AUDIO_VISUALIZER (gst_pad_get_parent (pad));
structure = gst_caps_get_structure (caps, 0);
if (!gst_structure_get_int (structure, "channels", &channels) ||
@ -565,7 +576,7 @@ wrong_rate:
}
static gboolean
gst_base_scope_src_negotiate (GstBaseScope * scope)
gst_base_audio_visualizer_src_negotiate (GstBaseAudioVisualizer * scope)
{
GstCaps *othercaps, *target, *intersect;
GstStructure *structure;
@ -611,17 +622,17 @@ no_format:
}
static gboolean
gst_base_scope_src_setcaps (GstPad * pad, GstCaps * caps)
gst_base_audio_visualizer_src_setcaps (GstPad * pad, GstCaps * caps)
{
GstBaseScope *scope;
GstBaseScopeClass *klass;
GstBaseAudioVisualizer *scope;
GstBaseAudioVisualizerClass *klass;
gint w, h;
gint num, denom;
GstVideoFormat format;
gboolean res = TRUE;
scope = GST_BASE_SCOPE (gst_pad_get_parent (pad));
klass = GST_BASE_SCOPE_CLASS (G_OBJECT_GET_CLASS (scope));
scope = GST_BASE_AUDIO_VISUALIZER (gst_pad_get_parent (pad));
klass = GST_BASE_AUDIO_VISUALIZER_CLASS (G_OBJECT_GET_CLASS (scope));
if (!gst_video_format_parse_caps (caps, &format, &w, &h)) {
goto missing_caps_details;
@ -670,18 +681,18 @@ missing_caps_details:
}
static GstFlowReturn
gst_base_scope_chain (GstPad * pad, GstBuffer * buffer)
gst_base_audio_visualizer_chain (GstPad * pad, GstBuffer * buffer)
{
GstFlowReturn ret = GST_FLOW_OK;
GstBaseScope *scope;
GstBaseScopeClass *klass;
GstBaseAudioVisualizer *scope;
GstBaseAudioVisualizerClass *klass;
GstBuffer *inbuf;
guint avail, sbpf;
gboolean (*render) (GstBaseScope * scope, GstBuffer * audio,
gboolean (*render) (GstBaseAudioVisualizer * scope, GstBuffer * audio,
GstBuffer * video);
scope = GST_BASE_SCOPE (gst_pad_get_parent (pad));
klass = GST_BASE_SCOPE_CLASS (G_OBJECT_GET_CLASS (scope));
scope = GST_BASE_AUDIO_VISUALIZER (gst_pad_get_parent (pad));
klass = GST_BASE_AUDIO_VISUALIZER_CLASS (G_OBJECT_GET_CLASS (scope));
render = klass->render;
@ -694,7 +705,7 @@ gst_base_scope_chain (GstPad * pad, GstBuffer * buffer)
}
if (GST_PAD_CAPS (scope->srcpad) == NULL) {
if (!gst_base_scope_src_negotiate (scope))
if (!gst_base_audio_visualizer_src_negotiate (scope))
return GST_FLOW_NOT_NEGOTIATED;
}
@ -777,11 +788,12 @@ gst_base_scope_chain (GstPad * pad, GstBuffer * buffer)
}
static GstStateChangeReturn
gst_base_scope_change_state (GstElement * element, GstStateChange transition)
gst_base_audio_visualizer_change_state (GstElement * element,
GstStateChange transition)
{
GstBaseScope *scope;
GstBaseAudioVisualizer *scope;
scope = GST_BASE_SCOPE (element);
scope = GST_BASE_AUDIO_VISUALIZER (element);
switch (transition) {
case GST_STATE_CHANGE_READY_TO_PAUSED:

62
gst/audiovisualizers/gstbasescope.h → gst/audiovisualizers/gstbaseaudiovisualizer.h
View file

@ -1,7 +1,7 @@
/* GStreamer
* Copyright (C) <2011> Stefan Kost <ensonic@users.sf.net>
*
* gstbasescope.c: base class for audio visualisation elements
* gstbaseaudiovisualizer.c: base class for audio visualisation elements
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@ -18,8 +18,8 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef __GST_BASE_SCOPE_H__
#define __GST_BASE_SCOPE_H__
#ifndef __GST_BASE_AUDIO_VISUALIZER_H__
#define __GST_BASE_AUDIO_VISUALIZER_H__
#include <gst/gst.h>
#include <gst/base/gstbasetransform.h>
@ -29,35 +29,35 @@
#include <gst/base/gstadapter.h>
G_BEGIN_DECLS
#define GST_TYPE_BASE_SCOPE (gst_base_scope_get_type())
#define GST_BASE_SCOPE(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_BASE_SCOPE,GstBaseScope))
#define GST_BASE_SCOPE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_BASE_SCOPE,GstBaseScopeClass))
#define GST_IS_SYNAESTHESIA(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_BASE_SCOPE))
#define GST_IS_SYNAESTHESIA_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_BASE_SCOPE))
typedef struct _GstBaseScope GstBaseScope;
typedef struct _GstBaseScopeClass GstBaseScopeClass;
#define GST_TYPE_BASE_AUDIO_VISUALIZER (gst_base_audio_visualizer_get_type())
#define GST_BASE_AUDIO_VISUALIZER(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_BASE_AUDIO_VISUALIZER,GstBaseAudioVisualizer))
#define GST_BASE_AUDIO_VISUALIZER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_BASE_AUDIO_VISUALIZER,GstBaseAudioVisualizerClass))
#define GST_IS_SYNAESTHESIA(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_BASE_AUDIO_VISUALIZER))
#define GST_IS_SYNAESTHESIA_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_BASE_AUDIO_VISUALIZER))
typedef struct _GstBaseAudioVisualizer GstBaseAudioVisualizer;
typedef struct _GstBaseAudioVisualizerClass GstBaseAudioVisualizerClass;
typedef void (*GstBaseScopeShaderFunc)(GstBaseScope *scope, const guint8 *s, guint8 *d);
typedef void (*GstBaseAudioVisualizerShaderFunc)(GstBaseAudioVisualizer *scope, const guint8 *s, guint8 *d);
/**
* GstBaseScopeShader:
* @GST_BASE_SCOPE_SHADER_NONE: no shading
* @GST_BASE_SCOPE_SHADER_FADE: plain fading
* @GST_BASE_SCOPE_SHADER_FADE_AND_MOVE_UP: fade and move up
* @GST_BASE_SCOPE_SHADER_FADE_AND_MOVE_DOWN: fade and move down
* @GST_BASE_SCOPE_SHADER_FADE_AND_MOVE_HORIZ_OUT: fade and move horizontaly out
* GstBaseAudioVisualizerShader:
* @GST_BASE_AUDIO_VISUALIZER_SHADER_NONE: no shading
* @GST_BASE_AUDIO_VISUALIZER_SHADER_FADE: plain fading
* @GST_BASE_AUDIO_VISUALIZER_SHADER_FADE_AND_MOVE_UP: fade and move up
* @GST_BASE_AUDIO_VISUALIZER_SHADER_FADE_AND_MOVE_DOWN: fade and move down
* @GST_BASE_AUDIO_VISUALIZER_SHADER_FADE_AND_MOVE_HORIZ_OUT: fade and move horizontaly out
*
* Different types of supported background shading functions.
*/
typedef enum {
GST_BASE_SCOPE_SHADER_NONE,
GST_BASE_SCOPE_SHADER_FADE,
GST_BASE_SCOPE_SHADER_FADE_AND_MOVE_UP,
GST_BASE_SCOPE_SHADER_FADE_AND_MOVE_DOWN,
GST_BASE_SCOPE_SHADER_FADE_AND_MOVE_HORIZ_OUT
} GstBaseScopeShader;
GST_BASE_AUDIO_VISUALIZER_SHADER_NONE,
GST_BASE_AUDIO_VISUALIZER_SHADER_FADE,
GST_BASE_AUDIO_VISUALIZER_SHADER_FADE_AND_MOVE_UP,
GST_BASE_AUDIO_VISUALIZER_SHADER_FADE_AND_MOVE_DOWN,
GST_BASE_AUDIO_VISUALIZER_SHADER_FADE_AND_MOVE_HORIZ_OUT
} GstBaseAudioVisualizerShader;
struct _GstBaseScope
struct _GstBaseAudioVisualizer
{
GstElement parent;
@ -68,8 +68,8 @@ struct _GstBaseScope
GstBuffer *inbuf;
guint8 *pixelbuf;
GstBaseScopeShader shader_type;
GstBaseScopeShaderFunc shader;
GstBaseAudioVisualizerShader shader_type;
GstBaseAudioVisualizerShaderFunc shader;
guint32 shade_amount;
guint64 next_ts; /* the timestamp of the next frame */
@ -91,18 +91,18 @@ struct _GstBaseScope
gint rate;
};
struct _GstBaseScopeClass
struct _GstBaseAudioVisualizerClass
{
GstElementClass parent_class;
/* virtual function, called whenever the format changes */
gboolean (*setup) (GstBaseScope * scope);
gboolean (*setup) (GstBaseAudioVisualizer * scope);
/* virtual function for rendering a frame */
gboolean (*render) (GstBaseScope * scope, GstBuffer * audio, GstBuffer * video);
gboolean (*render) (GstBaseAudioVisualizer * scope, GstBuffer * audio, GstBuffer * video);
};
GType gst_base_scope_get_type (void);
GType gst_base_audio_visualizer_get_type (void);
G_END_DECLS
#endif /* __GST_BASE_SCOPE_H__ */
#endif /* __GST_BASE_AUDIO_VISUALIZER_H__ */

15
gst/audiovisualizers/gstspectrascope.c
View file

@ -58,13 +58,13 @@ GST_DEBUG_CATEGORY_STATIC (spectra_scope_debug);
static void gst_spectra_scope_finalize (GObject * object);
static gboolean gst_spectra_scope_setup (GstBaseScope * scope);
static gboolean gst_spectra_scope_render (GstBaseScope * scope,
static gboolean gst_spectra_scope_setup (GstBaseAudioVisualizer * scope);
static gboolean gst_spectra_scope_render (GstBaseAudioVisualizer * scope,
GstBuffer * audio, GstBuffer * video);
GST_BOILERPLATE (GstSpectraScope, gst_spectra_scope, GstBaseScope,
GST_TYPE_BASE_SCOPE);
GST_BOILERPLATE (GstSpectraScope, gst_spectra_scope, GstBaseAudioVisualizer,
GST_TYPE_BASE_AUDIO_VISUALIZER);
static void
gst_spectra_scope_base_init (gpointer g_class)
@ -85,7 +85,8 @@ static void
gst_spectra_scope_class_init (GstSpectraScopeClass * g_class)
{
GObjectClass *gobject_class = (GObjectClass *) g_class;
GstBaseScopeClass *scope_class = (GstBaseScopeClass *) g_class;
GstBaseAudioVisualizerClass *scope_class =
(GstBaseAudioVisualizerClass *) g_class;
gobject_class->finalize = gst_spectra_scope_finalize;
@ -117,7 +118,7 @@ gst_spectra_scope_finalize (GObject * object)
}
static gboolean
gst_spectra_scope_setup (GstBaseScope * bscope)
gst_spectra_scope_setup (GstBaseAudioVisualizer * bscope)
{
GstSpectraScope *scope = GST_SPECTRA_SCOPE (bscope);
guint num_freq = bscope->width + 1;
@ -159,7 +160,7 @@ add_pixel (guint32 * _p, guint32 _c)
}
static gboolean
gst_spectra_scope_render (GstBaseScope * bscope, GstBuffer * audio,
gst_spectra_scope_render (GstBaseAudioVisualizer * bscope, GstBuffer * audio,
GstBuffer * video)
{
GstSpectraScope *scope = GST_SPECTRA_SCOPE (bscope);

6
gst/audiovisualizers/gstspectrascope.h
View file

@ -22,7 +22,7 @@
#ifndef __GST_SPECTRA_SCOPE_H__
#define __GST_SPECTRA_SCOPE_H__
#include "gstbasescope.h"
#include "gstbaseaudiovisualizer.h"
#include <gst/fft/gstffts16.h>
G_BEGIN_DECLS
@ -36,7 +36,7 @@ typedef struct _GstSpectraScopeClass GstSpectraScopeClass;
struct _GstSpectraScope
{
GstBaseScope parent;
GstBaseAudioVisualizer parent;
GstFFTS16 *fft_ctx;
GstFFTS16Complex *freq_data;
@ -44,7 +44,7 @@ struct _GstSpectraScope
struct _GstSpectraScopeClass
{
GstBaseScopeClass parent_class;
GstBaseAudioVisualizerClass parent_class;
};
GType gst_spectra_scope_get_type (void);

17
gst/audiovisualizers/gstsynaescope.c
View file

@ -57,13 +57,13 @@ GST_DEBUG_CATEGORY_STATIC (synae_scope_debug);
static void gst_synae_scope_finalize (GObject * object);
static gboolean gst_synae_scope_setup (GstBaseScope * scope);
static gboolean gst_synae_scope_render (GstBaseScope * scope, GstBuffer * audio,
GstBuffer * video);
static gboolean gst_synae_scope_setup (GstBaseAudioVisualizer * scope);
static gboolean gst_synae_scope_render (GstBaseAudioVisualizer * scope,
GstBuffer * audio, GstBuffer * video);
GST_BOILERPLATE (GstSynaeScope, gst_synae_scope, GstBaseScope,
GST_TYPE_BASE_SCOPE);
GST_BOILERPLATE (GstSynaeScope, gst_synae_scope, GstBaseAudioVisualizer,
GST_TYPE_BASE_AUDIO_VISUALIZER);
static void
gst_synae_scope_base_init (gpointer g_class)
@ -85,7 +85,8 @@ static void
gst_synae_scope_class_init (GstSynaeScopeClass * g_class)
{
GObjectClass *gobject_class = (GObjectClass *) g_class;
GstBaseScopeClass *scope_class = (GstBaseScopeClass *) g_class;
GstBaseAudioVisualizerClass *scope_class =
(GstBaseAudioVisualizerClass *) g_class;
gobject_class->finalize = gst_synae_scope_finalize;
@ -147,7 +148,7 @@ gst_synae_scope_finalize (GObject * object)
}
static gboolean
gst_synae_scope_setup (GstBaseScope * bscope)
gst_synae_scope_setup (GstBaseAudioVisualizer * bscope)
{
GstSynaeScope *scope = GST_SYNAE_SCOPE (bscope);
guint num_freq = bscope->height + 1;
@ -198,7 +199,7 @@ add_pixel (guint32 * _p, guint32 _c)
}
static gboolean
gst_synae_scope_render (GstBaseScope * bscope, GstBuffer * audio,
gst_synae_scope_render (GstBaseAudioVisualizer * bscope, GstBuffer * audio,
GstBuffer * video)
{
GstSynaeScope *scope = GST_SYNAE_SCOPE (bscope);

6
gst/audiovisualizers/gstsynaescope.h
View file

@ -22,7 +22,7 @@
#ifndef __GST_SYNAE_SCOPE_H__
#define __GST_SYNAE_SCOPE_H__
#include "gstbasescope.h"
#include "gstbaseaudiovisualizer.h"
#include <gst/fft/gstffts16.h>
G_BEGIN_DECLS
@ -36,7 +36,7 @@ typedef struct _GstSynaeScopeClass GstSynaeScopeClass;
struct _GstSynaeScope
{
GstBaseScope parent;
GstBaseAudioVisualizer parent;
GstFFTS16 *fft_ctx;
GstFFTS16Complex *freq_data_l, *freq_data_r;
@ -48,7 +48,7 @@ struct _GstSynaeScope
struct _GstSynaeScopeClass
{
GstBaseScopeClass parent_class;
GstBaseAudioVisualizerClass parent_class;
};
GType gst_synae_scope_get_type (void);

17
gst/audiovisualizers/gstwavescope.c
View file

@ -55,13 +55,13 @@ GST_STATIC_PAD_TEMPLATE ("sink",
GST_DEBUG_CATEGORY_STATIC (wave_scope_debug);
#define GST_CAT_DEFAULT wave_scope_debug
static gboolean gst_wave_scope_setup (GstBaseScope * scope);
static gboolean gst_wave_scope_render (GstBaseScope * scope, GstBuffer * audio,
GstBuffer * video);
static gboolean gst_wave_scope_setup (GstBaseAudioVisualizer * scope);
static gboolean gst_wave_scope_render (GstBaseAudioVisualizer * scope,
GstBuffer * audio, GstBuffer * video);
GST_BOILERPLATE (GstWaveScope, gst_wave_scope, GstBaseScope,
GST_TYPE_BASE_SCOPE);
GST_BOILERPLATE (GstWaveScope, gst_wave_scope, GstBaseAudioVisualizer,
GST_TYPE_BASE_AUDIO_VISUALIZER);
static void
gst_wave_scope_base_init (gpointer g_class)
@ -82,7 +82,8 @@ static void
gst_wave_scope_class_init (GstWaveScopeClass * g_class)
{
/*GObjectClass *gobject_class = (GObjectClass *) g_class; */
GstBaseScopeClass *scope_class = (GstBaseScopeClass *) g_class;
GstBaseAudioVisualizerClass *scope_class =
(GstBaseAudioVisualizerClass *) g_class;
scope_class->setup = GST_DEBUG_FUNCPTR (gst_wave_scope_setup);
scope_class->render = GST_DEBUG_FUNCPTR (gst_wave_scope_render);
@ -95,13 +96,13 @@ gst_wave_scope_init (GstWaveScope * scope, GstWaveScopeClass * g_class)
}
static gboolean
gst_wave_scope_setup (GstBaseScope * scope)
gst_wave_scope_setup (GstBaseAudioVisualizer * scope)
{
return TRUE;
}
static gboolean
gst_wave_scope_render (GstBaseScope * scope, GstBuffer * audio,
gst_wave_scope_render (GstBaseAudioVisualizer * scope, GstBuffer * audio,
GstBuffer * video)
{
guint32 *vdata = (guint32 *) GST_BUFFER_DATA (video);

6
gst/audiovisualizers/gstwavescope.h
View file

@ -22,7 +22,7 @@
#ifndef __GST_WAVE_SCOPE_H__
#define __GST_WAVE_SCOPE_H__
#include "gstbasescope.h"
#include "gstbaseaudiovisualizer.h"
G_BEGIN_DECLS
#define GST_TYPE_WAVE_SCOPE (gst_wave_scope_get_type())
@ -35,12 +35,12 @@ typedef struct _GstWaveScopeClass GstWaveScopeClass;
struct _GstWaveScope
{
GstBaseScope parent;
GstBaseAudioVisualizer parent;
};
struct _GstWaveScopeClass
{
GstBaseScopeClass parent_class;
GstBaseAudioVisualizerClass parent_class;
};
GType gst_wave_scope_get_type (void);