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Code Issues 1 Projects Releases Wiki Activity

webpenc: add animation properties

Browse source 
- animation background color
- number of animation loops

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/5994>
This commit is contained in:
Loïc Le Page 2024-01-25 20:09:19 +01:00 committed by GStreamer Marge Bot
parent 05bd35f625
commit eb416d5077
3 changed files with 100 additions and 0 deletions
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40
subprojects/gst-plugins-bad/docs/plugins/gst_plugins_cache.json
View file

@ -243627,6 +243627,46 @@
}
},
"properties": {
"animated": {
"blurb": "Encode an animated webp, instead of several pictures",
"conditionally-available": false,
"construct": false,
"construct-only": false,
"controllable": false,
"default": "false",
"mutable": "null",
"readable": true,
"type": "gboolean",
"writable": true
},
"animation-background-color": {
"blurb": "The animation background color in ARGB order (1 byte per component).",
"conditionally-available": false,
"construct": false,
"construct-only": false,
"controllable": false,
"default": "0",
"max": "-1",
"min": "0",
"mutable": "null",
"readable": true,
"type": "guint",
"writable": true
},
"animation-loops": {
"blurb": "The number of animation loops for the animated mode. If set to 0, the animation will loop forever.",
"conditionally-available": false,
"construct": false,
"construct-only": false,
"controllable": false,
"default": "0",
"max": "-1",
"min": "0",
"mutable": "null",
"readable": true,
"type": "guint",
"writable": true
},
"lossless": {
"blurb": "Enable lossless encoding",
"conditionally-available": false,

58
subprojects/gst-plugins-bad/ext/webp/gstwebpenc.c
View file

@ -38,6 +38,8 @@ enum
PROP_SPEED,
PROP_PRESET,
PROP_ANIMATED,
PROP_ANIMATION_LOOPS,
PROP_ANIMATION_BACKGROUND_COLOR
};
#define DEFAULT_LOSSLESS FALSE
@ -45,6 +47,8 @@ enum
#define DEFAULT_SPEED 4
#define DEFAULT_PRESET WEBP_PRESET_PHOTO
#define DEFAULT_ANIMATED FALSE
#define DEFAULT_ANIMATION_LOOPS 0
#define DEFAULT_ANIMATION_BACKGROUND_COLOR 0
static void gst_webp_enc_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
@ -159,11 +163,48 @@ gst_webp_enc_class_init (GstWebpEncClass * klass)
"Preset name for visual tuning",
GST_WEBP_ENC_PRESET_TYPE, DEFAULT_PRESET,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/**
* GstWebpEnc:animated:
*
* Encode an animated webp, instead of several pictures.
*
* Since: 1.24
*/
g_object_class_install_property (gobject_class, PROP_ANIMATED,
g_param_spec_boolean ("animated", "Animated",
"Encode an animated webp, instead of several pictures",
DEFAULT_ANIMATED, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/**
* GstWebpEnc:animation-loops:
*
* The number of animation loops for the animated mode.
* If set to 0, the animation will loop forever.
*
* Since: 1.24
*/
g_object_class_install_property (gobject_class, PROP_ANIMATION_LOOPS,
g_param_spec_uint ("animation-loops", "Animation Loops",
"The number of animation loops for the animated mode. "
"If set to 0, the animation will loop forever.", 0, G_MAXUINT,
DEFAULT_ANIMATION_LOOPS, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/**
* GstWebpEnc:animation-background-color:
*
* The animation background color in ARGB order (1 byte per component).
*
* Since: 1.24
*/
g_object_class_install_property (gobject_class,
PROP_ANIMATION_BACKGROUND_COLOR,
g_param_spec_uint ("animation-background-color",
"Animation Background Color",
"The animation background color in ARGB order (1 byte per component).",
0, G_MAXUINT32, DEFAULT_ANIMATION_BACKGROUND_COLOR,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
GST_DEBUG_CATEGORY_INIT (webpenc_debug, "webpenc", 0,
"WEBP encoding element");
@ -180,6 +221,8 @@ gst_webp_enc_init (GstWebpEnc * webpenc)
webpenc->speed = DEFAULT_SPEED;
webpenc->preset = DEFAULT_PRESET;
webpenc->animated = DEFAULT_ANIMATED;
webpenc->animation_loops = DEFAULT_ANIMATION_LOOPS;
webpenc->animation_background_color = DEFAULT_ANIMATION_BACKGROUND_COLOR;
webpenc->use_argb = FALSE;
webpenc->rgb_format = GST_VIDEO_FORMAT_UNKNOWN;
@ -240,6 +283,9 @@ gst_webp_enc_set_format (GstVideoEncoder * encoder, GstVideoCodecState * state)
return FALSE;
}
enc_options.anim_params.bgcolor = enc->animation_background_color;
enc_options.anim_params.loop_count = enc->animation_loops;
enc->anim_enc = WebPAnimEncoderNew (width, height, &enc_options);
if (!enc->anim_enc) {
GST_ERROR_OBJECT (enc, "Failed to create the animation encoder");
@ -396,6 +442,12 @@ gst_webp_enc_set_property (GObject * object, guint prop_id,
case PROP_ANIMATED:
webpenc->animated = g_value_get_boolean (value);
break;
case PROP_ANIMATION_LOOPS:
webpenc->animation_loops = g_value_get_uint (value);
break;
case PROP_ANIMATION_BACKGROUND_COLOR:
webpenc->animation_background_color = g_value_get_uint (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -424,6 +476,12 @@ gst_webp_enc_get_property (GObject * object, guint prop_id, GValue * value,
case PROP_ANIMATED:
g_value_set_boolean (value, webpenc->animated);
break;
case PROP_ANIMATION_LOOPS:
g_value_set_uint (value, webpenc->animation_loops);
break;
case PROP_ANIMATION_BACKGROUND_COLOR:
g_value_set_uint (value, webpenc->animation_background_color);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;

2
subprojects/gst-plugins-bad/ext/webp/gstwebpenc.h
View file

@ -56,6 +56,8 @@ struct _GstWebpEnc
guint speed;
gint preset;
gboolean animated;
guint animation_loops;
guint32 animation_background_color;
gboolean use_argb;
GstVideoFormat rgb_format;