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ext/libpng/gstpngenc.*: Add compression level property (#163323).

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Original commit message from CVS:
Reviewed by:  Ronald S. Bultje  <rbultje@ronald.bitfreak.net>
* ext/libpng/gstpngenc.c: (gst_pngenc_class_init),
(gst_pngenc_init), (gst_pngenc_chain), (gst_pngenc_get_property),
(gst_pngenc_set_property):
* ext/libpng/gstpngenc.h:
Add compression level property (#163323).
This commit is contained in:
Ronald S. Bultje 2005-01-09 16:30:15 +00:00
parent 741360c638
commit 1f19f8e63c
3 changed files with 29 additions and 2 deletions
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10
ChangeLog
View file

@ -1,3 +1,13 @@
2005-01-09 Gergely Nagy <algernon@bonehunter.rulez.org>
Reviewed by: Ronald S. Bultje <rbultje@ronald.bitfreak.net>
* ext/libpng/gstpngenc.c: (gst_pngenc_class_init),
(gst_pngenc_init), (gst_pngenc_chain), (gst_pngenc_get_property),
(gst_pngenc_set_property):
* ext/libpng/gstpngenc.h:
Add compression level property (#163323).
2005-01-09 Ronald S. Bultje <rbultje@ronald.bitfreak.net> 2005-01-09 Ronald S. Bultje <rbultje@ronald.bitfreak.net>
* configure.ac: * configure.ac:

20
ext/libpng/gstpngenc.c
View file

@ -23,6 +23,7 @@
#include <gst/gst.h> #include <gst/gst.h>
#include "gstpngenc.h" #include "gstpngenc.h"
#include <gst/video/video.h> #include <gst/video/video.h>
#include <zlib.h>
#define MAX_HEIGHT 4096 #define MAX_HEIGHT 4096
@ -48,7 +49,8 @@ enum
{ {
ARG_0, ARG_0,
ARG_SNAPSHOT, ARG_SNAPSHOT,
ARG_NEWMEDIA ARG_NEWMEDIA,
ARG_COMPRESSION_LEVEL
}; };
static void gst_pngenc_base_init (gpointer g_class); static void gst_pngenc_base_init (gpointer g_class);
@ -149,6 +151,13 @@ gst_pngenc_class_init (GstPngEncClass * klass)
"Send new media discontinuity after encoding each frame", "Send new media discontinuity after encoding each frame",
FALSE, (GParamFlags) G_PARAM_READWRITE)); FALSE, (GParamFlags) G_PARAM_READWRITE));
g_object_class_install_property
(gobject_class, ARG_COMPRESSION_LEVEL,
g_param_spec_uint ("compression-level", "compression-level",
"PNG compression level",
Z_NO_COMPRESSION, Z_BEST_COMPRESSION,
6, (GParamFlags) G_PARAM_READWRITE));
gstelement_class->get_property = gst_pngenc_get_property; gstelement_class->get_property = gst_pngenc_get_property;
gstelement_class->set_property = gst_pngenc_set_property; gstelement_class->set_property = gst_pngenc_set_property;
} }
@ -199,6 +208,7 @@ gst_pngenc_init (GstPngEnc * pngenc)
pngenc->snapshot = DEFAULT_SNAPSHOT; pngenc->snapshot = DEFAULT_SNAPSHOT;
pngenc->newmedia = FALSE; pngenc->newmedia = FALSE;
pngenc->compression_level = 6;
} }
static void static void
@ -281,7 +291,7 @@ gst_pngenc_chain (GstPad * pad, GstData * _data)
png_set_filter (pngenc->png_struct_ptr, 0, png_set_filter (pngenc->png_struct_ptr, 0,
PNG_FILTER_NONE | PNG_FILTER_VALUE_NONE); PNG_FILTER_NONE | PNG_FILTER_VALUE_NONE);
png_set_compression_level (pngenc->png_struct_ptr, 9); png_set_compression_level (pngenc->png_struct_ptr, pngenc->compression_level);
png_set_IHDR (pngenc->png_struct_ptr, png_set_IHDR (pngenc->png_struct_ptr,
pngenc->png_info_ptr, pngenc->png_info_ptr,
@ -345,6 +355,9 @@ gst_pngenc_get_property (GObject * object,
case ARG_NEWMEDIA: case ARG_NEWMEDIA:
g_value_set_boolean (value, pngenc->newmedia); g_value_set_boolean (value, pngenc->newmedia);
break; break;
case ARG_COMPRESSION_LEVEL:
g_value_set_uint (value, pngenc->compression_level);
break;
default: default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break; break;
@ -367,6 +380,9 @@ gst_pngenc_set_property (GObject * object,
case ARG_NEWMEDIA: case ARG_NEWMEDIA:
pngenc->newmedia = g_value_get_boolean (value); pngenc->newmedia = g_value_get_boolean (value);
break; break;
case ARG_COMPRESSION_LEVEL:
pngenc->compression_level = g_value_get_uint (value);
break;
default: default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break; break;

1
ext/libpng/gstpngenc.h
View file

@ -51,6 +51,7 @@ struct _GstPngEnc
gint width; gint width;
gint height; gint height;
gint bpp; gint bpp;
guint compression_level;
gboolean snapshot; gboolean snapshot;
gboolean newmedia; gboolean newmedia;