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visual: use right base class name

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Rename to GstAudioBaseVisualizer. Also avoids conflict with a base class with
the same name in -bad.
This commit is contained in:
Wim Taymans 2012-07-10 10:07:08 +02:00
parent 7921f4b26e
commit 566b5c4d1d
6 changed files with 256 additions and 256 deletions
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4
ext/libvisual/Makefile.am
View file

@ -1,6 +1,6 @@
plugin_LTLIBRARIES = libgstlibvisual.la plugin_LTLIBRARIES = libgstlibvisual.la
libgstlibvisual_la_SOURCES = plugin.c visual.c gstbaseaudiovisualizer.c libgstlibvisual_la_SOURCES = plugin.c visual.c gstaudiobasevisualizer.c
libgstlibvisual_la_CFLAGS = $(GST_PLUGINS_BASE_CFLAGS) $(GST_BASE_CFLAGS) $(GST_CFLAGS) $(LIBVISUAL_CFLAGS) libgstlibvisual_la_CFLAGS = $(GST_PLUGINS_BASE_CFLAGS) $(GST_BASE_CFLAGS) $(GST_CFLAGS) $(LIBVISUAL_CFLAGS)
libgstlibvisual_la_LIBADD = \ libgstlibvisual_la_LIBADD = \
$(top_builddir)/gst-libs/gst/audio/libgstaudio-$(GST_API_VERSION).la \ $(top_builddir)/gst-libs/gst/audio/libgstaudio-$(GST_API_VERSION).la \
@ -9,4 +9,4 @@ libgstlibvisual_la_LIBADD = \
libgstlibvisual_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS) libgstlibvisual_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
libgstlibvisual_la_LIBTOOLFLAGS = --tag=disable-static libgstlibvisual_la_LIBTOOLFLAGS = --tag=disable-static
noinst_HEADERS = visual.h gstbaseaudiovisualizer.h noinst_HEADERS = visual.h gstaudiobasevisualizer.h

238
ext/libvisual/gstbaseaudiovisualizer.c → ext/libvisual/gstaudiobasevisualizer.c
View file

@ -1,7 +1,7 @@
/* GStreamer /* GStreamer
* Copyright (C) <2011> Stefan Kost <ensonic@users.sf.net> * Copyright (C) <2011> Stefan Kost <ensonic@users.sf.net>
* *
* gstbaseaudiovisualizer.h: base class for audio visualisation elements * gstaudiobasevisualizer.h: base class for audio visualisation elements
* *
* This program is free software; you can redistribute it and/or modify * 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 * 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. * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/ */
/** /**
* SECTION:gstbaseaudiovisualizer * SECTION:gstaudiobasevisualizer
* *
* A basclass for scopes (visualizers). It takes care of re-fitting the * A basclass for scopes (visualizers). It takes care of re-fitting the
* audio-rate to video-rate and handles renegotiation (downstream video size * audio-rate to video-rate and handles renegotiation (downstream video size
@ -39,12 +39,12 @@
#include <string.h> #include <string.h>
#include "gstbaseaudiovisualizer.h" #include "gstaudiobasevisualizer.h"
GST_DEBUG_CATEGORY_STATIC (base_audio_visualizer_debug); GST_DEBUG_CATEGORY_STATIC (audio_base_visualizer_debug);
#define GST_CAT_DEFAULT (base_audio_visualizer_debug) #define GST_CAT_DEFAULT (audio_base_visualizer_debug)
#define DEFAULT_SHADER GST_BASE_AUDIO_VISUALIZER_SHADER_FADE #define DEFAULT_SHADER GST_AUDIO_BASE_VISUALIZER_SHADER_FADE
#define DEFAULT_SHADE_AMOUNT 0x000a0a0a #define DEFAULT_SHADE_AMOUNT 0x000a0a0a
enum enum
@ -56,72 +56,72 @@ enum
static GstBaseTransformClass *parent_class = NULL; static GstBaseTransformClass *parent_class = NULL;
static void gst_base_audio_visualizer_class_init (GstBaseAudioVisualizerClass * static void gst_audio_base_visualizer_class_init (GstAudioBaseVisualizerClass *
klass); klass);
static void gst_base_audio_visualizer_init (GstBaseAudioVisualizer * scope, static void gst_audio_base_visualizer_init (GstAudioBaseVisualizer * scope,
GstBaseAudioVisualizerClass * g_class); GstAudioBaseVisualizerClass * g_class);
static void gst_base_audio_visualizer_set_property (GObject * object, static void gst_audio_base_visualizer_set_property (GObject * object,
guint prop_id, const GValue * value, GParamSpec * pspec); guint prop_id, const GValue * value, GParamSpec * pspec);
static void gst_base_audio_visualizer_get_property (GObject * object, static void gst_audio_base_visualizer_get_property (GObject * object,
guint prop_id, GValue * value, GParamSpec * pspec); guint prop_id, GValue * value, GParamSpec * pspec);
static void gst_base_audio_visualizer_dispose (GObject * object); static void gst_audio_base_visualizer_dispose (GObject * object);
static gboolean gst_base_audio_visualizer_src_negotiate (GstBaseAudioVisualizer static gboolean gst_audio_base_visualizer_src_negotiate (GstAudioBaseVisualizer
* scope); * scope);
static gboolean gst_base_audio_visualizer_src_setcaps (GstBaseAudioVisualizer * static gboolean gst_audio_base_visualizer_src_setcaps (GstAudioBaseVisualizer *
scope, GstCaps * caps); scope, GstCaps * caps);
static gboolean gst_base_audio_visualizer_sink_setcaps (GstBaseAudioVisualizer * static gboolean gst_audio_base_visualizer_sink_setcaps (GstAudioBaseVisualizer *
scope, GstCaps * caps); scope, GstCaps * caps);
static GstFlowReturn gst_base_audio_visualizer_chain (GstPad * pad, static GstFlowReturn gst_audio_base_visualizer_chain (GstPad * pad,
GstObject * parent, GstBuffer * buffer); GstObject * parent, GstBuffer * buffer);
static gboolean gst_base_audio_visualizer_src_event (GstPad * pad, static gboolean gst_audio_base_visualizer_src_event (GstPad * pad,
GstObject * parent, GstEvent * event); GstObject * parent, GstEvent * event);
static gboolean gst_base_audio_visualizer_sink_event (GstPad * pad, static gboolean gst_audio_base_visualizer_sink_event (GstPad * pad,
GstObject * parent, GstEvent * event); GstObject * parent, GstEvent * event);
static gboolean gst_base_audio_visualizer_src_query (GstPad * pad, static gboolean gst_audio_base_visualizer_src_query (GstPad * pad,
GstObject * parent, GstQuery * query); GstObject * parent, GstQuery * query);
static gboolean gst_base_audio_visualizer_sink_query (GstPad * pad, static gboolean gst_audio_base_visualizer_sink_query (GstPad * pad,
GstObject * parent, GstQuery * query); GstObject * parent, GstQuery * query);
static GstStateChangeReturn gst_base_audio_visualizer_change_state (GstElement * static GstStateChangeReturn gst_audio_base_visualizer_change_state (GstElement *
element, GstStateChange transition); element, GstStateChange transition);
/* shading functions */ /* shading functions */
#define GST_TYPE_BASE_AUDIO_VISUALIZER_SHADER (gst_base_audio_visualizer_shader_get_type()) #define GST_TYPE_AUDIO_BASE_VISUALIZER_SHADER (gst_audio_base_visualizer_shader_get_type())
static GType static GType
gst_base_audio_visualizer_shader_get_type (void) gst_audio_base_visualizer_shader_get_type (void)
{ {
static GType shader_type = 0; static GType shader_type = 0;
static const GEnumValue shaders[] = { static const GEnumValue shaders[] = {
{GST_BASE_AUDIO_VISUALIZER_SHADER_NONE, "None", "none"}, {GST_AUDIO_BASE_VISUALIZER_SHADER_NONE, "None", "none"},
{GST_BASE_AUDIO_VISUALIZER_SHADER_FADE, "Fade", "fade"}, {GST_AUDIO_BASE_VISUALIZER_SHADER_FADE, "Fade", "fade"},
{GST_BASE_AUDIO_VISUALIZER_SHADER_FADE_AND_MOVE_UP, "Fade and move up", {GST_AUDIO_BASE_VISUALIZER_SHADER_FADE_AND_MOVE_UP, "Fade and move up",
"fade-and-move-up"}, "fade-and-move-up"},
{GST_BASE_AUDIO_VISUALIZER_SHADER_FADE_AND_MOVE_DOWN, "Fade and move down", {GST_AUDIO_BASE_VISUALIZER_SHADER_FADE_AND_MOVE_DOWN, "Fade and move down",
"fade-and-move-down"}, "fade-and-move-down"},
{GST_BASE_AUDIO_VISUALIZER_SHADER_FADE_AND_MOVE_LEFT, "Fade and move left", {GST_AUDIO_BASE_VISUALIZER_SHADER_FADE_AND_MOVE_LEFT, "Fade and move left",
"fade-and-move-left"}, "fade-and-move-left"},
{GST_BASE_AUDIO_VISUALIZER_SHADER_FADE_AND_MOVE_RIGHT, {GST_AUDIO_BASE_VISUALIZER_SHADER_FADE_AND_MOVE_RIGHT,
"Fade and move right", "Fade and move right",
"fade-and-move-right"}, "fade-and-move-right"},
{GST_BASE_AUDIO_VISUALIZER_SHADER_FADE_AND_MOVE_HORIZ_OUT, {GST_AUDIO_BASE_VISUALIZER_SHADER_FADE_AND_MOVE_HORIZ_OUT,
"Fade and move horizontally out", "fade-and-move-horiz-out"}, "Fade and move horizontally out", "fade-and-move-horiz-out"},
{GST_BASE_AUDIO_VISUALIZER_SHADER_FADE_AND_MOVE_HORIZ_IN, {GST_AUDIO_BASE_VISUALIZER_SHADER_FADE_AND_MOVE_HORIZ_IN,
"Fade and move horizontally in", "fade-and-move-horiz-in"}, "Fade and move horizontally in", "fade-and-move-horiz-in"},
{GST_BASE_AUDIO_VISUALIZER_SHADER_FADE_AND_MOVE_VERT_OUT, {GST_AUDIO_BASE_VISUALIZER_SHADER_FADE_AND_MOVE_VERT_OUT,
"Fade and move vertically out", "fade-and-move-vert-out"}, "Fade and move vertically out", "fade-and-move-vert-out"},
{GST_BASE_AUDIO_VISUALIZER_SHADER_FADE_AND_MOVE_VERT_IN, {GST_AUDIO_BASE_VISUALIZER_SHADER_FADE_AND_MOVE_VERT_IN,
"Fade and move vertically in", "fade-and-move-vert-in"}, "Fade and move vertically in", "fade-and-move-vert-in"},
{0, NULL, NULL}, {0, NULL, NULL},
}; };
if (G_UNLIKELY (shader_type == 0)) { if (G_UNLIKELY (shader_type == 0)) {
shader_type = shader_type =
g_enum_register_static ("GstBaseAudioVisualizerShader", shaders); g_enum_register_static ("GstAudioBaseVisualizerShader", shaders);
} }
return shader_type; return shader_type;
} }
@ -180,7 +180,7 @@ G_STMT_START { \
#endif #endif
static void static void
shader_fade (GstBaseAudioVisualizer * scope, const guint8 * s, guint8 * d) shader_fade (GstAudioBaseVisualizer * scope, const guint8 * s, guint8 * d)
{ {
guint i, bpf = scope->bpf; guint i, bpf = scope->bpf;
guint r = (scope->shade_amount >> 16) & 0xff; guint r = (scope->shade_amount >> 16) & 0xff;
@ -193,7 +193,7 @@ shader_fade (GstBaseAudioVisualizer * scope, const guint8 * s, guint8 * d)
} }
static void static void
shader_fade_and_move_up (GstBaseAudioVisualizer * scope, const guint8 * s, shader_fade_and_move_up (GstAudioBaseVisualizer * scope, const guint8 * s,
guint8 * d) guint8 * d)
{ {
guint i, j, bpf = scope->bpf; guint i, j, bpf = scope->bpf;
@ -208,7 +208,7 @@ shader_fade_and_move_up (GstBaseAudioVisualizer * scope, const guint8 * s,
} }
static void static void
shader_fade_and_move_down (GstBaseAudioVisualizer * scope, const guint8 * s, shader_fade_and_move_down (GstAudioBaseVisualizer * scope, const guint8 * s,
guint8 * d) guint8 * d)
{ {
guint i, j, bpf = scope->bpf; guint i, j, bpf = scope->bpf;
@ -223,7 +223,7 @@ shader_fade_and_move_down (GstBaseAudioVisualizer * scope, const guint8 * s,
} }
static void static void
shader_fade_and_move_left (GstBaseAudioVisualizer * scope, shader_fade_and_move_left (GstAudioBaseVisualizer * scope,
const guint8 * s, guint8 * d) const guint8 * s, guint8 * d)
{ {
guint i, j, k, bpf = scope->bpf; guint i, j, k, bpf = scope->bpf;
@ -243,7 +243,7 @@ shader_fade_and_move_left (GstBaseAudioVisualizer * scope,
} }
static void static void
shader_fade_and_move_right (GstBaseAudioVisualizer * scope, shader_fade_and_move_right (GstAudioBaseVisualizer * scope,
const guint8 * s, guint8 * d) const guint8 * s, guint8 * d)
{ {
guint i, j, k, bpf = scope->bpf; guint i, j, k, bpf = scope->bpf;
@ -263,7 +263,7 @@ shader_fade_and_move_right (GstBaseAudioVisualizer * scope,
} }
static void static void
shader_fade_and_move_horiz_out (GstBaseAudioVisualizer * scope, shader_fade_and_move_horiz_out (GstAudioBaseVisualizer * scope,
const guint8 * s, guint8 * d) const guint8 * s, guint8 * d)
{ {
guint i, j, bpf = scope->bpf / 2; guint i, j, bpf = scope->bpf / 2;
@ -283,7 +283,7 @@ shader_fade_and_move_horiz_out (GstBaseAudioVisualizer * scope,
} }
static void static void
shader_fade_and_move_horiz_in (GstBaseAudioVisualizer * scope, shader_fade_and_move_horiz_in (GstAudioBaseVisualizer * scope,
const guint8 * s, guint8 * d) const guint8 * s, guint8 * d)
{ {
guint i, j, bpf = scope->bpf / 2; guint i, j, bpf = scope->bpf / 2;
@ -303,7 +303,7 @@ shader_fade_and_move_horiz_in (GstBaseAudioVisualizer * scope,
} }
static void static void
shader_fade_and_move_vert_out (GstBaseAudioVisualizer * scope, shader_fade_and_move_vert_out (GstAudioBaseVisualizer * scope,
const guint8 * s, guint8 * d) const guint8 * s, guint8 * d)
{ {
guint i, j, k, bpf = scope->bpf; guint i, j, k, bpf = scope->bpf;
@ -331,7 +331,7 @@ shader_fade_and_move_vert_out (GstBaseAudioVisualizer * scope,
} }
static void static void
shader_fade_and_move_vert_in (GstBaseAudioVisualizer * scope, shader_fade_and_move_vert_in (GstAudioBaseVisualizer * scope,
const guint8 * s, guint8 * d) const guint8 * s, guint8 * d)
{ {
guint i, j, k, bpf = scope->bpf; guint i, j, k, bpf = scope->bpf;
@ -359,37 +359,37 @@ shader_fade_and_move_vert_in (GstBaseAudioVisualizer * scope,
} }
static void static void
gst_base_audio_visualizer_change_shader (GstBaseAudioVisualizer * scope) gst_audio_base_visualizer_change_shader (GstAudioBaseVisualizer * scope)
{ {
switch (scope->shader_type) { switch (scope->shader_type) {
case GST_BASE_AUDIO_VISUALIZER_SHADER_NONE: case GST_AUDIO_BASE_VISUALIZER_SHADER_NONE:
scope->shader = NULL; scope->shader = NULL;
break; break;
case GST_BASE_AUDIO_VISUALIZER_SHADER_FADE: case GST_AUDIO_BASE_VISUALIZER_SHADER_FADE:
scope->shader = shader_fade; scope->shader = shader_fade;
break; break;
case GST_BASE_AUDIO_VISUALIZER_SHADER_FADE_AND_MOVE_UP: case GST_AUDIO_BASE_VISUALIZER_SHADER_FADE_AND_MOVE_UP:
scope->shader = shader_fade_and_move_up; scope->shader = shader_fade_and_move_up;
break; break;
case GST_BASE_AUDIO_VISUALIZER_SHADER_FADE_AND_MOVE_DOWN: case GST_AUDIO_BASE_VISUALIZER_SHADER_FADE_AND_MOVE_DOWN:
scope->shader = shader_fade_and_move_down; scope->shader = shader_fade_and_move_down;
break; break;
case GST_BASE_AUDIO_VISUALIZER_SHADER_FADE_AND_MOVE_LEFT: case GST_AUDIO_BASE_VISUALIZER_SHADER_FADE_AND_MOVE_LEFT:
scope->shader = shader_fade_and_move_left; scope->shader = shader_fade_and_move_left;
break; break;
case GST_BASE_AUDIO_VISUALIZER_SHADER_FADE_AND_MOVE_RIGHT: case GST_AUDIO_BASE_VISUALIZER_SHADER_FADE_AND_MOVE_RIGHT:
scope->shader = shader_fade_and_move_right; scope->shader = shader_fade_and_move_right;
break; break;
case GST_BASE_AUDIO_VISUALIZER_SHADER_FADE_AND_MOVE_HORIZ_OUT: case GST_AUDIO_BASE_VISUALIZER_SHADER_FADE_AND_MOVE_HORIZ_OUT:
scope->shader = shader_fade_and_move_horiz_out; scope->shader = shader_fade_and_move_horiz_out;
break; break;
case GST_BASE_AUDIO_VISUALIZER_SHADER_FADE_AND_MOVE_HORIZ_IN: case GST_AUDIO_BASE_VISUALIZER_SHADER_FADE_AND_MOVE_HORIZ_IN:
scope->shader = shader_fade_and_move_horiz_in; scope->shader = shader_fade_and_move_horiz_in;
break; break;
case GST_BASE_AUDIO_VISUALIZER_SHADER_FADE_AND_MOVE_VERT_OUT: case GST_AUDIO_BASE_VISUALIZER_SHADER_FADE_AND_MOVE_VERT_OUT:
scope->shader = shader_fade_and_move_vert_out; scope->shader = shader_fade_and_move_vert_out;
break; break;
case GST_BASE_AUDIO_VISUALIZER_SHADER_FADE_AND_MOVE_VERT_IN: case GST_AUDIO_BASE_VISUALIZER_SHADER_FADE_AND_MOVE_VERT_IN:
scope->shader = shader_fade_and_move_vert_in; scope->shader = shader_fade_and_move_vert_in;
break; break;
default: default:
@ -402,54 +402,54 @@ gst_base_audio_visualizer_change_shader (GstBaseAudioVisualizer * scope)
/* base class */ /* base class */
GType GType
gst_base_audio_visualizer_get_type (void) gst_audio_base_visualizer_get_type (void)
{ {
static volatile gsize base_audio_visualizer_type = 0; static volatile gsize audio_base_visualizer_type = 0;
if (g_once_init_enter (&base_audio_visualizer_type)) { if (g_once_init_enter (&audio_base_visualizer_type)) {
static const GTypeInfo base_audio_visualizer_info = { static const GTypeInfo audio_base_visualizer_info = {
sizeof (GstBaseAudioVisualizerClass), sizeof (GstAudioBaseVisualizerClass),
NULL, NULL,
NULL, NULL,
(GClassInitFunc) gst_base_audio_visualizer_class_init, (GClassInitFunc) gst_audio_base_visualizer_class_init,
NULL, NULL,
NULL, NULL,
sizeof (GstBaseAudioVisualizer), sizeof (GstAudioBaseVisualizer),
0, 0,
(GInstanceInitFunc) gst_base_audio_visualizer_init, (GInstanceInitFunc) gst_audio_base_visualizer_init,
}; };
GType _type; GType _type;
_type = g_type_register_static (GST_TYPE_ELEMENT, _type = g_type_register_static (GST_TYPE_ELEMENT,
"GstBaseAudioVisualizer", &base_audio_visualizer_info, "GstAudioBaseVisualizer", &audio_base_visualizer_info,
G_TYPE_FLAG_ABSTRACT); G_TYPE_FLAG_ABSTRACT);
g_once_init_leave (&base_audio_visualizer_type, _type); g_once_init_leave (&audio_base_visualizer_type, _type);
} }
return (GType) base_audio_visualizer_type; return (GType) audio_base_visualizer_type;
} }
static void static void
gst_base_audio_visualizer_class_init (GstBaseAudioVisualizerClass * klass) gst_audio_base_visualizer_class_init (GstAudioBaseVisualizerClass * klass)
{ {
GObjectClass *gobject_class = (GObjectClass *) klass; GObjectClass *gobject_class = (GObjectClass *) klass;
GstElementClass *element_class = (GstElementClass *) klass; GstElementClass *element_class = (GstElementClass *) klass;
parent_class = g_type_class_peek_parent (klass); parent_class = g_type_class_peek_parent (klass);
GST_DEBUG_CATEGORY_INIT (base_audio_visualizer_debug, "baseaudiovisualizer", GST_DEBUG_CATEGORY_INIT (audio_base_visualizer_debug, "audiobasevisualizer",
0, "scope audio visualisation base class"); 0, "scope audio visualisation base class");
gobject_class->set_property = gst_base_audio_visualizer_set_property; gobject_class->set_property = gst_audio_base_visualizer_set_property;
gobject_class->get_property = gst_base_audio_visualizer_get_property; gobject_class->get_property = gst_audio_base_visualizer_get_property;
gobject_class->dispose = gst_base_audio_visualizer_dispose; gobject_class->dispose = gst_audio_base_visualizer_dispose;
element_class->change_state = element_class->change_state =
GST_DEBUG_FUNCPTR (gst_base_audio_visualizer_change_state); GST_DEBUG_FUNCPTR (gst_audio_base_visualizer_change_state);
g_object_class_install_property (gobject_class, PROP_SHADER, g_object_class_install_property (gobject_class, PROP_SHADER,
g_param_spec_enum ("shader", "shader type", g_param_spec_enum ("shader", "shader type",
"Shader function to apply on each frame", "Shader function to apply on each frame",
GST_TYPE_BASE_AUDIO_VISUALIZER_SHADER, DEFAULT_SHADER, GST_TYPE_AUDIO_BASE_VISUALIZER_SHADER, DEFAULT_SHADER,
G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE | G_PARAM_STATIC_STRINGS)); G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_SHADE_AMOUNT, g_object_class_install_property (gobject_class, PROP_SHADE_AMOUNT,
g_param_spec_uint ("shade-amount", "shade amount", g_param_spec_uint ("shade-amount", "shade amount",
@ -459,8 +459,8 @@ gst_base_audio_visualizer_class_init (GstBaseAudioVisualizerClass * klass)
} }
static void static void
gst_base_audio_visualizer_init (GstBaseAudioVisualizer * scope, gst_audio_base_visualizer_init (GstAudioBaseVisualizer * scope,
GstBaseAudioVisualizerClass * g_class) GstAudioBaseVisualizerClass * g_class)
{ {
GstPadTemplate *pad_template; GstPadTemplate *pad_template;
@ -470,11 +470,11 @@ gst_base_audio_visualizer_init (GstBaseAudioVisualizer * scope,
g_return_if_fail (pad_template != NULL); g_return_if_fail (pad_template != NULL);
scope->sinkpad = gst_pad_new_from_template (pad_template, "sink"); scope->sinkpad = gst_pad_new_from_template (pad_template, "sink");
gst_pad_set_chain_function (scope->sinkpad, gst_pad_set_chain_function (scope->sinkpad,
GST_DEBUG_FUNCPTR (gst_base_audio_visualizer_chain)); GST_DEBUG_FUNCPTR (gst_audio_base_visualizer_chain));
gst_pad_set_event_function (scope->sinkpad, gst_pad_set_event_function (scope->sinkpad,
GST_DEBUG_FUNCPTR (gst_base_audio_visualizer_sink_event)); GST_DEBUG_FUNCPTR (gst_audio_base_visualizer_sink_event));
gst_pad_set_query_function (scope->sinkpad, gst_pad_set_query_function (scope->sinkpad,
GST_DEBUG_FUNCPTR (gst_base_audio_visualizer_sink_query)); GST_DEBUG_FUNCPTR (gst_audio_base_visualizer_sink_query));
gst_element_add_pad (GST_ELEMENT (scope), scope->sinkpad); gst_element_add_pad (GST_ELEMENT (scope), scope->sinkpad);
pad_template = pad_template =
@ -482,9 +482,9 @@ gst_base_audio_visualizer_init (GstBaseAudioVisualizer * scope,
g_return_if_fail (pad_template != NULL); g_return_if_fail (pad_template != NULL);
scope->srcpad = gst_pad_new_from_template (pad_template, "src"); scope->srcpad = gst_pad_new_from_template (pad_template, "src");
gst_pad_set_event_function (scope->srcpad, gst_pad_set_event_function (scope->srcpad,
GST_DEBUG_FUNCPTR (gst_base_audio_visualizer_src_event)); GST_DEBUG_FUNCPTR (gst_audio_base_visualizer_src_event));
gst_pad_set_query_function (scope->srcpad, gst_pad_set_query_function (scope->srcpad,
GST_DEBUG_FUNCPTR (gst_base_audio_visualizer_src_query)); GST_DEBUG_FUNCPTR (gst_audio_base_visualizer_src_query));
gst_element_add_pad (GST_ELEMENT (scope), scope->srcpad); gst_element_add_pad (GST_ELEMENT (scope), scope->srcpad);
scope->adapter = gst_adapter_new (); scope->adapter = gst_adapter_new ();
@ -492,7 +492,7 @@ gst_base_audio_visualizer_init (GstBaseAudioVisualizer * scope,
/* properties */ /* properties */
scope->shader_type = DEFAULT_SHADER; scope->shader_type = DEFAULT_SHADER;
gst_base_audio_visualizer_change_shader (scope); gst_audio_base_visualizer_change_shader (scope);
scope->shade_amount = DEFAULT_SHADE_AMOUNT; scope->shade_amount = DEFAULT_SHADE_AMOUNT;
/* reset the initial video state */ /* reset the initial video state */
@ -510,15 +510,15 @@ gst_base_audio_visualizer_init (GstBaseAudioVisualizer * scope,
} }
static void static void
gst_base_audio_visualizer_set_property (GObject * object, guint prop_id, gst_audio_base_visualizer_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec) const GValue * value, GParamSpec * pspec)
{ {
GstBaseAudioVisualizer *scope = GST_BASE_AUDIO_VISUALIZER (object); GstAudioBaseVisualizer *scope = GST_AUDIO_BASE_VISUALIZER (object);
switch (prop_id) { switch (prop_id) {
case PROP_SHADER: case PROP_SHADER:
scope->shader_type = g_value_get_enum (value); scope->shader_type = g_value_get_enum (value);
gst_base_audio_visualizer_change_shader (scope); gst_audio_base_visualizer_change_shader (scope);
break; break;
case PROP_SHADE_AMOUNT: case PROP_SHADE_AMOUNT:
scope->shade_amount = g_value_get_uint (value); scope->shade_amount = g_value_get_uint (value);
@ -530,10 +530,10 @@ gst_base_audio_visualizer_set_property (GObject * object, guint prop_id,
} }
static void static void
gst_base_audio_visualizer_get_property (GObject * object, guint prop_id, gst_audio_base_visualizer_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec) GValue * value, GParamSpec * pspec)
{ {
GstBaseAudioVisualizer *scope = GST_BASE_AUDIO_VISUALIZER (object); GstAudioBaseVisualizer *scope = GST_AUDIO_BASE_VISUALIZER (object);
switch (prop_id) { switch (prop_id) {
case PROP_SHADER: case PROP_SHADER:
@ -549,9 +549,9 @@ gst_base_audio_visualizer_get_property (GObject * object, guint prop_id,
} }
static void static void
gst_base_audio_visualizer_dispose (GObject * object) gst_audio_base_visualizer_dispose (GObject * object)
{ {
GstBaseAudioVisualizer *scope = GST_BASE_AUDIO_VISUALIZER (object); GstAudioBaseVisualizer *scope = GST_AUDIO_BASE_VISUALIZER (object);
if (scope->adapter) { if (scope->adapter) {
g_object_unref (scope->adapter); g_object_unref (scope->adapter);
@ -573,7 +573,7 @@ gst_base_audio_visualizer_dispose (GObject * object)
} }
static void static void
gst_base_audio_visualizer_reset (GstBaseAudioVisualizer * scope) gst_audio_base_visualizer_reset (GstAudioBaseVisualizer * scope)
{ {
gst_adapter_clear (scope->adapter); gst_adapter_clear (scope->adapter);
gst_segment_init (&scope->segment, GST_FORMAT_UNDEFINED); gst_segment_init (&scope->segment, GST_FORMAT_UNDEFINED);
@ -585,7 +585,7 @@ gst_base_audio_visualizer_reset (GstBaseAudioVisualizer * scope)
} }
static gboolean static gboolean
gst_base_audio_visualizer_sink_setcaps (GstBaseAudioVisualizer * scope, gst_audio_base_visualizer_sink_setcaps (GstAudioBaseVisualizer * scope,
GstCaps * caps) GstCaps * caps)
{ {
GstAudioInfo info; GstAudioInfo info;
@ -612,11 +612,11 @@ wrong_caps:
} }
static gboolean static gboolean
gst_base_audio_visualizer_src_setcaps (GstBaseAudioVisualizer * scope, gst_audio_base_visualizer_src_setcaps (GstAudioBaseVisualizer * scope,
GstCaps * caps) GstCaps * caps)
{ {
GstVideoInfo info; GstVideoInfo info;
GstBaseAudioVisualizerClass *klass; GstAudioBaseVisualizerClass *klass;
GstStructure *structure; GstStructure *structure;
gboolean res; gboolean res;
@ -630,7 +630,7 @@ gst_base_audio_visualizer_src_setcaps (GstBaseAudioVisualizer * scope,
&scope->fps_d)) &scope->fps_d))
goto wrong_caps; goto wrong_caps;
klass = GST_BASE_AUDIO_VISUALIZER_CLASS (G_OBJECT_GET_CLASS (scope)); klass = GST_AUDIO_BASE_VISUALIZER_CLASS (G_OBJECT_GET_CLASS (scope));
scope->vinfo = info; scope->vinfo = info;
scope->video_format = info.finfo->format; scope->video_format = info.finfo->format;
@ -668,7 +668,7 @@ wrong_caps:
} }
static gboolean static gboolean
gst_base_audio_visualizer_src_negotiate (GstBaseAudioVisualizer * scope) gst_audio_base_visualizer_src_negotiate (GstAudioBaseVisualizer * scope)
{ {
GstCaps *othercaps, *target; GstCaps *othercaps, *target;
GstStructure *structure; GstStructure *structure;
@ -706,7 +706,7 @@ gst_base_audio_visualizer_src_negotiate (GstBaseAudioVisualizer * scope)
GST_DEBUG_OBJECT (scope, "final caps are %" GST_PTR_FORMAT, target); GST_DEBUG_OBJECT (scope, "final caps are %" GST_PTR_FORMAT, target);
gst_base_audio_visualizer_src_setcaps (scope, target); gst_audio_base_visualizer_src_setcaps (scope, target);
/* try to get a bufferpool now */ /* try to get a bufferpool now */
/* find a pool for the negotiated caps now */ /* find a pool for the negotiated caps now */
@ -757,7 +757,7 @@ no_format:
/* make sure we are negotiated */ /* make sure we are negotiated */
static GstFlowReturn static GstFlowReturn
gst_base_audio_visualizer_ensure_negotiated (GstBaseAudioVisualizer * scope) gst_audio_base_visualizer_ensure_negotiated (GstAudioBaseVisualizer * scope)
{ {
gboolean reconfigure; gboolean reconfigure;
@ -765,29 +765,29 @@ gst_base_audio_visualizer_ensure_negotiated (GstBaseAudioVisualizer * scope)
/* we don't know an output format yet, pick one */ /* we don't know an output format yet, pick one */
if (reconfigure || !gst_pad_has_current_caps (scope->srcpad)) { if (reconfigure || !gst_pad_has_current_caps (scope->srcpad)) {
if (!gst_base_audio_visualizer_src_negotiate (scope)) if (!gst_audio_base_visualizer_src_negotiate (scope))
return GST_FLOW_NOT_NEGOTIATED; return GST_FLOW_NOT_NEGOTIATED;
} }
return GST_FLOW_OK; return GST_FLOW_OK;
} }
static GstFlowReturn static GstFlowReturn
gst_base_audio_visualizer_chain (GstPad * pad, GstObject * parent, gst_audio_base_visualizer_chain (GstPad * pad, GstObject * parent,
GstBuffer * buffer) GstBuffer * buffer)
{ {
GstFlowReturn ret = GST_FLOW_OK; GstFlowReturn ret = GST_FLOW_OK;
GstBaseAudioVisualizer *scope; GstAudioBaseVisualizer *scope;
GstBaseAudioVisualizerClass *klass; GstAudioBaseVisualizerClass *klass;
GstBuffer *inbuf; GstBuffer *inbuf;
guint64 dist, ts; guint64 dist, ts;
guint avail, sbpf; guint avail, sbpf;
gpointer adata; gpointer adata;
gboolean (*render) (GstBaseAudioVisualizer * scope, GstBuffer * audio, gboolean (*render) (GstAudioBaseVisualizer * scope, GstBuffer * audio,
GstBuffer * video); GstBuffer * video);
gint bps, channels, rate; gint bps, channels, rate;
scope = GST_BASE_AUDIO_VISUALIZER (parent); scope = GST_AUDIO_BASE_VISUALIZER (parent);
klass = GST_BASE_AUDIO_VISUALIZER_CLASS (G_OBJECT_GET_CLASS (scope)); klass = GST_AUDIO_BASE_VISUALIZER_CLASS (G_OBJECT_GET_CLASS (scope));
render = klass->render; render = klass->render;
@ -799,7 +799,7 @@ gst_base_audio_visualizer_chain (GstPad * pad, GstObject * parent,
} }
/* Make sure have an output format */ /* Make sure have an output format */
ret = gst_base_audio_visualizer_ensure_negotiated (scope); ret = gst_audio_base_visualizer_ensure_negotiated (scope);
if (ret != GST_FLOW_OK) { if (ret != GST_FLOW_OK) {
gst_buffer_unref (buffer); gst_buffer_unref (buffer);
goto beach; goto beach;
@ -938,13 +938,13 @@ beach:
} }
static gboolean static gboolean
gst_base_audio_visualizer_src_event (GstPad * pad, GstObject * parent, gst_audio_base_visualizer_src_event (GstPad * pad, GstObject * parent,
GstEvent * event) GstEvent * event)
{ {
gboolean res; gboolean res;
GstBaseAudioVisualizer *scope; GstAudioBaseVisualizer *scope;
scope = GST_BASE_AUDIO_VISUALIZER (parent); scope = GST_AUDIO_BASE_VISUALIZER (parent);
switch (GST_EVENT_TYPE (event)) { switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_QOS: case GST_EVENT_QOS:
@ -983,13 +983,13 @@ gst_base_audio_visualizer_src_event (GstPad * pad, GstObject * parent,
} }
static gboolean static gboolean
gst_base_audio_visualizer_sink_event (GstPad * pad, GstObject * parent, gst_audio_base_visualizer_sink_event (GstPad * pad, GstObject * parent,
GstEvent * event) GstEvent * event)
{ {
gboolean res; gboolean res;
GstBaseAudioVisualizer *scope; GstAudioBaseVisualizer *scope;
scope = GST_BASE_AUDIO_VISUALIZER (parent); scope = GST_AUDIO_BASE_VISUALIZER (parent);
switch (GST_EVENT_TYPE (event)) { switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_CAPS: case GST_EVENT_CAPS:
@ -997,14 +997,14 @@ gst_base_audio_visualizer_sink_event (GstPad * pad, GstObject * parent,
GstCaps *caps; GstCaps *caps;
gst_event_parse_caps (event, &caps); gst_event_parse_caps (event, &caps);
res = gst_base_audio_visualizer_sink_setcaps (scope, caps); res = gst_audio_base_visualizer_sink_setcaps (scope, caps);
break; break;
} }
case GST_EVENT_FLUSH_START: case GST_EVENT_FLUSH_START:
res = gst_pad_push_event (scope->srcpad, event); res = gst_pad_push_event (scope->srcpad, event);
break; break;
case GST_EVENT_FLUSH_STOP: case GST_EVENT_FLUSH_STOP:
gst_base_audio_visualizer_reset (scope); gst_audio_base_visualizer_reset (scope);
res = gst_pad_push_event (scope->srcpad, event); res = gst_pad_push_event (scope->srcpad, event);
break; break;
case GST_EVENT_SEGMENT: case GST_EVENT_SEGMENT:
@ -1026,13 +1026,13 @@ gst_base_audio_visualizer_sink_event (GstPad * pad, GstObject * parent,
} }
static gboolean static gboolean
gst_base_audio_visualizer_src_query (GstPad * pad, GstObject * parent, gst_audio_base_visualizer_src_query (GstPad * pad, GstObject * parent,
GstQuery * query) GstQuery * query)
{ {
gboolean res = FALSE; gboolean res = FALSE;
GstBaseAudioVisualizer *scope; GstAudioBaseVisualizer *scope;
scope = GST_BASE_AUDIO_VISUALIZER (parent); scope = GST_AUDIO_BASE_VISUALIZER (parent);
switch (GST_QUERY_TYPE (query)) { switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_LATENCY: case GST_QUERY_LATENCY:
@ -1085,7 +1085,7 @@ gst_base_audio_visualizer_src_query (GstPad * pad, GstObject * parent,
} }
static gboolean static gboolean
gst_base_audio_visualizer_sink_query (GstPad * pad, GstObject * parent, gst_audio_base_visualizer_sink_query (GstPad * pad, GstObject * parent,
GstQuery * query) GstQuery * query)
{ {
gboolean res = FALSE; gboolean res = FALSE;
@ -1099,17 +1099,17 @@ gst_base_audio_visualizer_sink_query (GstPad * pad, GstObject * parent,
} }
static GstStateChangeReturn static GstStateChangeReturn
gst_base_audio_visualizer_change_state (GstElement * element, gst_audio_base_visualizer_change_state (GstElement * element,
GstStateChange transition) GstStateChange transition)
{ {
GstStateChangeReturn ret; GstStateChangeReturn ret;
GstBaseAudioVisualizer *scope; GstAudioBaseVisualizer *scope;
scope = GST_BASE_AUDIO_VISUALIZER (element); scope = GST_AUDIO_BASE_VISUALIZER (element);
switch (transition) { switch (transition) {
case GST_STATE_CHANGE_READY_TO_PAUSED: case GST_STATE_CHANGE_READY_TO_PAUSED:
gst_base_audio_visualizer_reset (scope); gst_audio_base_visualizer_reset (scope);
break; break;
default: default:
break; break;

125
ext/libvisual/gstaudiobasevisualizer.h Normal file
View file

@ -0,0 +1,125 @@
/* GStreamer
* Copyright (C) <2011> Stefan Kost <ensonic@users.sf.net>
*
* gstaudiobasevisualizer.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
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef __GST_AUDIO_BASE_VISUALIZER_H__
#define __GST_AUDIO_BASE_VISUALIZER_H__
#include <gst/gst.h>
#include <gst/base/gstbasetransform.h>
#include <gst/video/video.h>
#include <gst/audio/audio.h>
#include <gst/base/gstadapter.h>
G_BEGIN_DECLS
#define GST_TYPE_AUDIO_BASE_VISUALIZER (gst_audio_base_visualizer_get_type())
#define GST_AUDIO_BASE_VISUALIZER(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AUDIO_BASE_VISUALIZER,GstAudioBaseVisualizer))
#define GST_AUDIO_BASE_VISUALIZER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_AUDIO_BASE_VISUALIZER,GstAudioBaseVisualizerClass))
#define GST_IS_SYNAESTHESIA(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AUDIO_BASE_VISUALIZER))
#define GST_IS_SYNAESTHESIA_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_AUDIO_BASE_VISUALIZER))
typedef struct _GstAudioBaseVisualizer GstAudioBaseVisualizer;
typedef struct _GstAudioBaseVisualizerClass GstAudioBaseVisualizerClass;
typedef void (*GstAudioBaseVisualizerShaderFunc)(GstAudioBaseVisualizer *scope, const guint8 *s, guint8 *d);
/**
* GstAudioBaseVisualizerShader:
* @GST_AUDIO_BASE_VISUALIZER_SHADER_NONE: no shading
* @GST_AUDIO_BASE_VISUALIZER_SHADER_FADE: plain fading
* @GST_AUDIO_BASE_VISUALIZER_SHADER_FADE_AND_MOVE_UP: fade and move up
* @GST_AUDIO_BASE_VISUALIZER_SHADER_FADE_AND_MOVE_DOWN: fade and move down
* @GST_AUDIO_BASE_VISUALIZER_SHADER_FADE_AND_MOVE_LEFT: fade and move left
* @GST_AUDIO_BASE_VISUALIZER_SHADER_FADE_AND_MOVE_RIGHT: fade and move right
* @GST_AUDIO_BASE_VISUALIZER_SHADER_FADE_AND_MOVE_HORIZ_OUT: fade and move horizontally out
* @GST_AUDIO_BASE_VISUALIZER_SHADER_FADE_AND_MOVE_HORIZ_IN: fade and move horizontally in
* @GST_AUDIO_BASE_VISUALIZER_SHADER_FADE_AND_MOVE_VERT_OUT: fade and move vertically out
* @GST_AUDIO_BASE_VISUALIZER_SHADER_FADE_AND_MOVE_VERT_IN: fade and move vertically in
*
* Different types of supported background shading functions.
*/
typedef enum {
GST_AUDIO_BASE_VISUALIZER_SHADER_NONE,
GST_AUDIO_BASE_VISUALIZER_SHADER_FADE,
GST_AUDIO_BASE_VISUALIZER_SHADER_FADE_AND_MOVE_UP,
GST_AUDIO_BASE_VISUALIZER_SHADER_FADE_AND_MOVE_DOWN,
GST_AUDIO_BASE_VISUALIZER_SHADER_FADE_AND_MOVE_LEFT,
GST_AUDIO_BASE_VISUALIZER_SHADER_FADE_AND_MOVE_RIGHT,
GST_AUDIO_BASE_VISUALIZER_SHADER_FADE_AND_MOVE_HORIZ_OUT,
GST_AUDIO_BASE_VISUALIZER_SHADER_FADE_AND_MOVE_HORIZ_IN,
GST_AUDIO_BASE_VISUALIZER_SHADER_FADE_AND_MOVE_VERT_OUT,
GST_AUDIO_BASE_VISUALIZER_SHADER_FADE_AND_MOVE_VERT_IN
} GstAudioBaseVisualizerShader;
struct _GstAudioBaseVisualizer
{
GstElement parent;
/* pads */
GstPad *srcpad, *sinkpad;
GstBufferPool *pool;
GstAdapter *adapter;
GstBuffer *inbuf;
guint8 *pixelbuf;
GstAudioBaseVisualizerShader shader_type;
GstAudioBaseVisualizerShaderFunc shader;
guint32 shade_amount;
guint spf; /* samples per video frame */
guint req_spf; /* min samples per frame wanted by the subclass */
/* video state */
GstVideoInfo vinfo;
GstVideoFormat video_format;
gint fps_n, fps_d;
gint width;
gint height;
guint64 frame_duration;
guint bpf; /* bytes per frame */
/* audio state */
GstAudioInfo ainfo;
/* configuration mutex */
GMutex config_lock;
/* QoS stuff *//* with LOCK */
gdouble proportion;
GstClockTime earliest_time;
GstSegment segment;
};
struct _GstAudioBaseVisualizerClass
{
GstElementClass parent_class;
/* virtual function, called whenever the format changes */
gboolean (*setup) (GstAudioBaseVisualizer * scope);
/* virtual function for rendering a frame */
gboolean (*render) (GstAudioBaseVisualizer * scope, GstBuffer * audio, GstBuffer * video);
};
GType gst_audio_base_visualizer_get_type (void);
G_END_DECLS
#endif /* __GST_AUDIO_BASE_VISUALIZER_H__ */

125
ext/libvisual/gstbaseaudiovisualizer.h
View file

@ -1,125 +0,0 @@
/* GStreamer
* Copyright (C) <2011> Stefan Kost <ensonic@users.sf.net>
*
* 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
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef __GST_BASE_AUDIO_VISUALIZER_H__
#define __GST_BASE_AUDIO_VISUALIZER_H__
#include <gst/gst.h>
#include <gst/base/gstbasetransform.h>
#include <gst/video/video.h>
#include <gst/audio/audio.h>
#include <gst/base/gstadapter.h>
G_BEGIN_DECLS
#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 (*GstBaseAudioVisualizerShaderFunc)(GstBaseAudioVisualizer *scope, const guint8 *s, guint8 *d);
/**
* 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_LEFT: fade and move left
* @GST_BASE_AUDIO_VISUALIZER_SHADER_FADE_AND_MOVE_RIGHT: fade and move right
* @GST_BASE_AUDIO_VISUALIZER_SHADER_FADE_AND_MOVE_HORIZ_OUT: fade and move horizontally out
* @GST_BASE_AUDIO_VISUALIZER_SHADER_FADE_AND_MOVE_HORIZ_IN: fade and move horizontally in
* @GST_BASE_AUDIO_VISUALIZER_SHADER_FADE_AND_MOVE_VERT_OUT: fade and move vertically out
* @GST_BASE_AUDIO_VISUALIZER_SHADER_FADE_AND_MOVE_VERT_IN: fade and move vertically in
*
* Different types of supported background shading functions.
*/
typedef enum {
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_LEFT,
GST_BASE_AUDIO_VISUALIZER_SHADER_FADE_AND_MOVE_RIGHT,
GST_BASE_AUDIO_VISUALIZER_SHADER_FADE_AND_MOVE_HORIZ_OUT,
GST_BASE_AUDIO_VISUALIZER_SHADER_FADE_AND_MOVE_HORIZ_IN,
GST_BASE_AUDIO_VISUALIZER_SHADER_FADE_AND_MOVE_VERT_OUT,
GST_BASE_AUDIO_VISUALIZER_SHADER_FADE_AND_MOVE_VERT_IN
} GstBaseAudioVisualizerShader;
struct _GstBaseAudioVisualizer
{
GstElement parent;
/* pads */
GstPad *srcpad, *sinkpad;
GstBufferPool *pool;
GstAdapter *adapter;
GstBuffer *inbuf;
guint8 *pixelbuf;
GstBaseAudioVisualizerShader shader_type;
GstBaseAudioVisualizerShaderFunc shader;
guint32 shade_amount;
guint spf; /* samples per video frame */
guint req_spf; /* min samples per frame wanted by the subclass */
/* video state */
GstVideoInfo vinfo;
GstVideoFormat video_format;
gint fps_n, fps_d;
gint width;
gint height;
guint64 frame_duration;
guint bpf; /* bytes per frame */
/* audio state */
GstAudioInfo ainfo;
/* configuration mutex */
GMutex config_lock;
/* QoS stuff *//* with LOCK */
gdouble proportion;
GstClockTime earliest_time;
GstSegment segment;
};
struct _GstBaseAudioVisualizerClass
{
GstElementClass parent_class;
/* virtual function, called whenever the format changes */
gboolean (*setup) (GstBaseAudioVisualizer * scope);
/* virtual function for rendering a frame */
gboolean (*render) (GstBaseAudioVisualizer * scope, GstBuffer * audio, GstBuffer * video);
};
GType gst_base_audio_visualizer_get_type (void);
G_END_DECLS
#endif /* __GST_BASE_AUDIO_VISUALIZER_H__ */

14
ext/libvisual/visual.c
View file

@ -61,8 +61,8 @@ static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
static void gst_visual_init (GstVisual * visual); static void gst_visual_init (GstVisual * visual);
static void gst_visual_finalize (GObject * object); static void gst_visual_finalize (GObject * object);
static gboolean gst_visual_setup (GstBaseAudioVisualizer * bscope); static gboolean gst_visual_setup (GstAudioBaseVisualizer * bscope);
static gboolean gst_visual_render (GstBaseAudioVisualizer * bscope, static gboolean gst_visual_render (GstAudioBaseVisualizer * bscope,
GstBuffer * audio, GstBuffer * video); GstBuffer * audio, GstBuffer * video);
static GstElementClass *parent_class = NULL; static GstElementClass *parent_class = NULL;
@ -86,7 +86,7 @@ gst_visual_get_type (void)
}; };
type = type =
g_type_register_static (GST_TYPE_BASE_AUDIO_VISUALIZER, "GstVisual", g_type_register_static (GST_TYPE_AUDIO_BASE_VISUALIZER, "GstVisual",
&info, 0); &info, 0);
} }
return type; return type;
@ -97,8 +97,8 @@ gst_visual_class_init (gpointer g_class, gpointer class_data)
{ {
GObjectClass *gobject_class = (GObjectClass *) g_class; GObjectClass *gobject_class = (GObjectClass *) g_class;
GstElementClass *element_class = (GstElementClass *) g_class; GstElementClass *element_class = (GstElementClass *) g_class;
GstBaseAudioVisualizerClass *scope_class = GstAudioBaseVisualizerClass *scope_class =
(GstBaseAudioVisualizerClass *) g_class; (GstAudioBaseVisualizerClass *) g_class;
GstVisualClass *klass = (GstVisualClass *) g_class; GstVisualClass *klass = (GstVisualClass *) g_class;
klass->plugin = class_data; klass->plugin = class_data;
@ -162,7 +162,7 @@ gst_visual_finalize (GObject * object)
} }
static gboolean static gboolean
gst_visual_setup (GstBaseAudioVisualizer * bscope) gst_visual_setup (GstAudioBaseVisualizer * bscope)
{ {
GstVisual *visual = GST_VISUAL (bscope); GstVisual *visual = GST_VISUAL (bscope);
gint pitch, depth; gint pitch, depth;
@ -216,7 +216,7 @@ no_realize:
} }
static gboolean static gboolean
gst_visual_render (GstBaseAudioVisualizer * bscope, GstBuffer * audio, gst_visual_render (GstAudioBaseVisualizer * bscope, GstBuffer * audio,
GstBuffer * video) GstBuffer * video)
{ {
GstVisual *visual = GST_VISUAL (bscope); GstVisual *visual = GST_VISUAL (bscope);

6
ext/libvisual/visual.h
View file

@ -28,7 +28,7 @@
#include <gst/audio/audio.h> #include <gst/audio/audio.h>
#include <libvisual/libvisual.h> #include <libvisual/libvisual.h>
#include "gstbaseaudiovisualizer.h" #include "gstaudiobasevisualizer.h"
G_BEGIN_DECLS G_BEGIN_DECLS
@ -44,7 +44,7 @@ typedef struct _GstVisualClass GstVisualClass;
struct _GstVisual struct _GstVisual
{ {
GstBaseAudioVisualizer element; GstAudioBaseVisualizer element;
/* libvisual stuff */ /* libvisual stuff */
VisAudio *audio; VisAudio *audio;
@ -54,7 +54,7 @@ struct _GstVisual
struct _GstVisualClass struct _GstVisualClass
{ {
GstBaseAudioVisualizerClass parent_class; GstAudioBaseVisualizerClass parent_class;
VisPluginRef *plugin; VisPluginRef *plugin;
}; };