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ext/libmng/: Added basic MNG decoder. Needs more work. The encoder does not work yet.
Original commit message from CVS: * ext/libmng/Makefile.am: * ext/libmng/gstmng.c: (plugin_init): * ext/libmng/gstmng.h: * ext/libmng/gstmngdec.c: (gst_mngdec_get_type), (gst_mngdec_base_init), (gst_mngdec_class_init), (gst_mngdec_sinklink), (gst_mngdec_init), (gst_mngdec_src_getcaps), (gst_mngdec_loop), (gst_mngdec_get_property), (gst_mngdec_set_property), (mngdec_error), (mngdec_openstream), (mngdec_closestream), (mngdec_handle_sink_event), (mngdec_readdata), (mngdec_gettickcount), (mngdec_settimer), (mngdec_processheader), (mngdec_getcanvasline), (mngdec_refresh), (gst_mngdec_change_state): * ext/libmng/gstmngdec.h: * ext/libmng/gstmngenc.c: (gst_mngenc_get_type), (mng_caps_factory), (raw_caps_factory), (gst_mngenc_base_init), (gst_mngenc_class_init), (gst_mngenc_sinklink), (gst_mngenc_init), (gst_mngenc_chain), (gst_mngenc_get_property), (gst_mngenc_set_property): * ext/libmng/gstmngenc.h: Added basic MNG decoder. Needs more work. The encoder does not work yet.
This commit is contained in:
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8 changed files with 1013 additions and 0 deletions
24
ChangeLog
24
ChangeLog
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@ -1,3 +1,27 @@
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2004-10-04 Wim Taymans <wim@fluendo.com>
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* ext/libmng/Makefile.am:
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* ext/libmng/gstmng.c: (plugin_init):
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* ext/libmng/gstmng.h:
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* ext/libmng/gstmngdec.c: (gst_mngdec_get_type),
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(gst_mngdec_base_init), (gst_mngdec_class_init),
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(gst_mngdec_sinklink), (gst_mngdec_init), (gst_mngdec_src_getcaps),
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(gst_mngdec_loop), (gst_mngdec_get_property),
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(gst_mngdec_set_property), (mngdec_error), (mngdec_openstream),
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(mngdec_closestream), (mngdec_handle_sink_event),
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(mngdec_readdata), (mngdec_gettickcount), (mngdec_settimer),
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(mngdec_processheader), (mngdec_getcanvasline), (mngdec_refresh),
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(gst_mngdec_change_state):
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* ext/libmng/gstmngdec.h:
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* ext/libmng/gstmngenc.c: (gst_mngenc_get_type),
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(mng_caps_factory), (raw_caps_factory), (gst_mngenc_base_init),
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(gst_mngenc_class_init), (gst_mngenc_sinklink), (gst_mngenc_init),
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(gst_mngenc_chain), (gst_mngenc_get_property),
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(gst_mngenc_set_property):
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* ext/libmng/gstmngenc.h:
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Added basic MNG decoder. Needs more work. The encoder does
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not work yet.
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2004-10-04 Ronald S. Bultje <rbultje@ronald.bitfreak.net>
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* gst/realmedia/rmdemux.c: (gst_rmdemux_handle_sink_event),
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9
ext/libmng/Makefile.am
Normal file
9
ext/libmng/Makefile.am
Normal file
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@ -0,0 +1,9 @@
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plugin_LTLIBRARIES = libgstmng.la
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libgstmng_la_SOURCES = gstmng.c gstmngdec.c gstmngenc.c
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libgstmng_la_CFLAGS = $(GST_CFLAGS)
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libgstmng_la_LIBADD = $(GST_LIBS) $(LIBMNG_LIBS)
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libgstmng_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
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noinst_HEADERS = gstmngdec.h gstmngenc.h
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45
ext/libmng/gstmng.c
Normal file
45
ext/libmng/gstmng.c
Normal file
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@ -0,0 +1,45 @@
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/* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <string.h>
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#include <gst/gst.h>
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#include "gstmngdec.h"
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#include "gstmngenc.h"
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static gboolean
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plugin_init (GstPlugin * plugin)
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{
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if (!gst_library_load ("gstbytestream"))
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return FALSE;
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if (!gst_element_register (plugin, "mngdec", GST_RANK_PRIMARY,
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GST_TYPE_MNGDEC))
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return FALSE;
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if (!gst_element_register (plugin, "mngenc", GST_RANK_NONE, GST_TYPE_MNGENC))
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return FALSE;
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return TRUE;
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}
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GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
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GST_VERSION_MINOR,
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"mng",
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"MNG plugin library", plugin_init, VERSION, "LGPL", GST_PACKAGE, GST_ORIGIN)
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22
ext/libmng/gstmng.h
Normal file
22
ext/libmng/gstmng.h
Normal file
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/* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*
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*/
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#include <gst/gst.h>
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GType gst_mngenc_get_type (void);
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extern GstElementDetails gst_mngenc_details;
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extern GstPadTemplate *gst_mng_sink_factory ();
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extern GstPadTemplate *gst_mng_src_factory ();
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516
ext/libmng/gstmngdec.c
Normal file
516
ext/libmng/gstmngdec.c
Normal file
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@ -0,0 +1,516 @@
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/* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <string.h>
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#include <gst/gst.h>
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#include "gstmngdec.h"
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#include <gst/video/video.h>
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static GstElementDetails gst_mngdec_details = {
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"MNG decoder",
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"Codec/Decoder/Image",
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"Decode a mng video to raw images",
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"Wim Taymans <wim@fluendo.com>",
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};
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/* Filter signals and args */
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enum
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{
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/* FILL ME */
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LAST_SIGNAL
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};
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enum
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{
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ARG_0
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};
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static void gst_mngdec_base_init (gpointer g_class);
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static void gst_mngdec_class_init (GstMngDecClass * klass);
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static void gst_mngdec_init (GstMngDec * mngdec);
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static void gst_mngdec_get_property (GObject * object,
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guint prop_id, GValue * value, GParamSpec * pspec);
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static void gst_mngdec_set_property (GObject * object,
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guint prop_id, const GValue * value, GParamSpec * pspec);
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static GstElementStateReturn gst_mngdec_change_state (GstElement * element);
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static void gst_mngdec_loop (GstElement * element);
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static GstCaps *gst_mngdec_src_getcaps (GstPad * pad);
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static GstElementClass *parent_class = NULL;
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GType
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gst_mngdec_get_type (void)
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{
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static GType mngdec_type = 0;
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if (!mngdec_type) {
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static const GTypeInfo mngdec_info = {
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sizeof (GstMngDecClass),
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gst_mngdec_base_init,
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NULL,
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(GClassInitFunc) gst_mngdec_class_init,
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NULL,
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NULL,
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sizeof (GstMngDec),
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0,
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(GInstanceInitFunc) gst_mngdec_init,
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};
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mngdec_type = g_type_register_static (GST_TYPE_ELEMENT, "GstMngDec",
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&mngdec_info, 0);
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}
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return mngdec_type;
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}
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static GstStaticPadTemplate gst_mngdec_src_pad_template =
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GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS (GST_VIDEO_CAPS_RGBA ";" GST_VIDEO_CAPS_RGB)
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);
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static GstStaticPadTemplate gst_mngdec_sink_pad_template =
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GST_STATIC_PAD_TEMPLATE ("sink",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("video/x-mng, "
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"width = (int) [ 16, 4096 ], "
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"height = (int) [ 16, 4096 ], " "framerate = (double) [ 0.0, MAX ]")
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);
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static void
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gst_mngdec_base_init (gpointer g_class)
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{
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GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&gst_mngdec_src_pad_template));
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&gst_mngdec_sink_pad_template));
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gst_element_class_set_details (element_class, &gst_mngdec_details);
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}
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static void
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gst_mngdec_class_init (GstMngDecClass * klass)
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{
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GObjectClass *gobject_class;
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GstElementClass *gstelement_class;
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gobject_class = (GObjectClass *) klass;
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gstelement_class = (GstElementClass *) klass;
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parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
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gstelement_class->change_state = gst_mngdec_change_state;
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gstelement_class->get_property = gst_mngdec_get_property;
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gstelement_class->set_property = gst_mngdec_set_property;
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}
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static GstPadLinkReturn
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gst_mngdec_sinklink (GstPad * pad, const GstCaps * caps)
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{
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GstMngDec *mngdec;
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GstStructure *structure;
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mngdec = GST_MNGDEC (gst_pad_get_parent (pad));
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structure = gst_caps_get_structure (caps, 0);
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gst_structure_get_double (structure, "framerate", &mngdec->fps);
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return TRUE;
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}
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static void
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gst_mngdec_init (GstMngDec * mngdec)
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{
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mngdec->sinkpad = gst_pad_new_from_template (gst_static_pad_template_get
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(&gst_mngdec_sink_pad_template), "sink");
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gst_element_add_pad (GST_ELEMENT (mngdec), mngdec->sinkpad);
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mngdec->srcpad = gst_pad_new_from_template (gst_static_pad_template_get
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(&gst_mngdec_src_pad_template), "src");
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gst_element_add_pad (GST_ELEMENT (mngdec), mngdec->srcpad);
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gst_pad_set_link_function (mngdec->sinkpad, gst_mngdec_sinklink);
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gst_pad_set_getcaps_function (mngdec->srcpad, gst_mngdec_src_getcaps);
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mngdec->mng = NULL;
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mngdec->buffer_out = NULL;
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mngdec->color_type = -1;
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mngdec->width = -1;
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mngdec->height = -1;
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mngdec->fps = -1;
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gst_element_set_loop_function (GST_ELEMENT (mngdec), gst_mngdec_loop);
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}
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static GstCaps *
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gst_mngdec_src_getcaps (GstPad * pad)
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{
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GstMngDec *mngdec;
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GstCaps *caps;
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gint i;
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GstPadTemplate *templ;
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GstCaps *inter;
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mngdec = GST_MNGDEC (gst_pad_get_parent (pad));
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templ = gst_static_pad_template_get (&gst_mngdec_src_pad_template);
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caps = gst_caps_copy (gst_pad_template_get_caps (templ));
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if (mngdec->color_type != -1) {
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GstCaps *to_inter = NULL;
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switch (mngdec->color_type) {
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case MNG_COLORTYPE_RGB:
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to_inter = gst_caps_new_simple ("video/x-raw-rgb",
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"bpp", G_TYPE_INT, 24, NULL);
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break;
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case MNG_COLORTYPE_RGBA:
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to_inter = gst_caps_new_simple ("video/x-raw-rgb",
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"bpp", G_TYPE_INT, 32, NULL);
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break;
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case MNG_COLORTYPE_GRAY:
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case MNG_COLORTYPE_INDEXED:
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case MNG_COLORTYPE_GRAYA:
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default:
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GST_ELEMENT_ERROR (mngdec, STREAM, NOT_IMPLEMENTED, (NULL),
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("mngdec does not support grayscale or paletted data yet"));
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break;
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}
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inter = gst_caps_intersect (caps, to_inter);
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gst_caps_free (caps);
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gst_caps_free (to_inter);
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caps = inter;
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}
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for (i = 0; i < gst_caps_get_size (caps); i++) {
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GstStructure *structure = gst_caps_get_structure (caps, i);
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if (mngdec->width != -1) {
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gst_structure_set (structure, "width", G_TYPE_INT, mngdec->width, NULL);
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}
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if (mngdec->height != -1) {
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gst_structure_set (structure, "height", G_TYPE_INT, mngdec->height, NULL);
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}
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if (mngdec->fps != -1) {
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gst_structure_set (structure,
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"framerate", G_TYPE_DOUBLE, mngdec->fps, NULL);
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}
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}
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return caps;
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}
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static void
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gst_mngdec_loop (GstElement * element)
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{
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GstMngDec *mngdec;
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mngdec = GST_MNGDEC (element);
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if (mngdec->first) {
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GST_DEBUG ("display");
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mng_readdisplay (mngdec->mng);
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mngdec->first = FALSE;
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} else {
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GST_DEBUG ("resume");
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mng_display_resume (mngdec->mng);
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}
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}
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|
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static void
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gst_mngdec_get_property (GObject * object,
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guint prop_id, GValue * value, GParamSpec * pspec)
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{
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GstMngDec *mngdec;
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mngdec = GST_MNGDEC (object);
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switch (prop_id) {
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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gst_mngdec_set_property (GObject * object,
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guint prop_id, const GValue * value, GParamSpec * pspec)
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{
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GstMngDec *mngdec;
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mngdec = GST_MNGDEC (object);
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|
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switch (prop_id) {
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static mng_bool
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mngdec_error (mng_handle mng, mng_int32 code, mng_int8 severity,
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mng_chunkid chunktype, mng_uint32 chunkseq,
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mng_int32 extra1, mng_int32 extra2, mng_pchar text)
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{
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GstMngDec *mngdec;
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mngdec = GST_MNGDEC (mng_get_userdata (mng));
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GST_ERROR_OBJECT (mngdec, "error in chunk %4.4s (%d): %s",
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(gchar *) & chunktype, chunkseq, text);
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return FALSE;
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}
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static mng_bool
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mngdec_openstream (mng_handle mng)
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{
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GstMngDec *mngdec;
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mngdec = GST_MNGDEC (mng_get_userdata (mng));
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mngdec->bs = gst_bytestream_new (mngdec->sinkpad);
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return MNG_TRUE;
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}
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|
||||
static mng_bool
|
||||
mngdec_closestream (mng_handle mng)
|
||||
{
|
||||
GstMngDec *mngdec;
|
||||
|
||||
mngdec = GST_MNGDEC (mng_get_userdata (mng));
|
||||
|
||||
gst_bytestream_destroy (mngdec->bs);
|
||||
|
||||
return MNG_TRUE;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
mngdec_handle_sink_event (GstMngDec * mngdec)
|
||||
{
|
||||
guint32 remaining;
|
||||
GstEvent *event;
|
||||
GstEventType type;
|
||||
|
||||
gst_bytestream_get_status (mngdec->bs, &remaining, &event);
|
||||
|
||||
type = event ? GST_EVENT_TYPE (event) : GST_EVENT_UNKNOWN;
|
||||
GST_DEBUG ("mngdec: event %p %d", event, type);
|
||||
|
||||
switch (type) {
|
||||
case GST_EVENT_EOS:
|
||||
gst_bytestream_flush (mngdec->bs, remaining);
|
||||
gst_pad_event_default (mngdec->sinkpad, event);
|
||||
return FALSE;
|
||||
case GST_EVENT_FLUSH:
|
||||
break;
|
||||
case GST_EVENT_DISCONTINUOUS:
|
||||
GST_DEBUG ("discontinuous event");
|
||||
break;
|
||||
default:
|
||||
g_warning ("unhandled event %d", type);
|
||||
break;
|
||||
}
|
||||
|
||||
gst_event_unref (event);
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
static mng_bool
|
||||
mngdec_readdata (mng_handle mng, mng_ptr buffer,
|
||||
mng_uint32 size, mng_uint32 * bytesread)
|
||||
{
|
||||
GstMngDec *mngdec;
|
||||
guint8 *bytes;
|
||||
guint32 read;
|
||||
|
||||
mngdec = GST_MNGDEC (mng_get_userdata (mng));
|
||||
|
||||
GST_DEBUG ("read data %d", size);
|
||||
|
||||
do {
|
||||
read = gst_bytestream_peek_bytes (mngdec->bs, &bytes, size);
|
||||
if (read != size) {
|
||||
if (!mngdec_handle_sink_event (mngdec)) {
|
||||
/* EOS */
|
||||
*bytesread = 0;
|
||||
return MNG_FALSE;
|
||||
}
|
||||
} else {
|
||||
break;
|
||||
}
|
||||
} while (TRUE);
|
||||
|
||||
memcpy (buffer, bytes, size);
|
||||
gst_bytestream_flush_fast (mngdec->bs, read);
|
||||
*bytesread = size;
|
||||
|
||||
return MNG_TRUE;
|
||||
}
|
||||
|
||||
static mng_uint32
|
||||
mngdec_gettickcount (mng_handle mng)
|
||||
{
|
||||
GTimeVal time;
|
||||
guint32 val;
|
||||
|
||||
|
||||
g_get_current_time (&time);
|
||||
|
||||
val = time.tv_sec * 1000 + time.tv_usec;
|
||||
GST_DEBUG ("get tick count %d", val);
|
||||
|
||||
return val;
|
||||
}
|
||||
|
||||
static mng_bool
|
||||
mngdec_settimer (mng_handle mng, mng_uint32 msecs)
|
||||
{
|
||||
GstMngDec *mngdec;
|
||||
|
||||
mngdec = GST_MNGDEC (mng_get_userdata (mng));
|
||||
//mymng->delay = msecs;
|
||||
GST_DEBUG ("set timer %d", msecs);
|
||||
|
||||
return MNG_TRUE;
|
||||
}
|
||||
|
||||
static mng_bool
|
||||
mngdec_processheader (mng_handle mng, mng_uint32 width, mng_uint32 height)
|
||||
{
|
||||
GstMngDec *mngdec;
|
||||
|
||||
mngdec = GST_MNGDEC (mng_get_userdata (mng));
|
||||
|
||||
g_print ("process header %d %d\n", width, height);
|
||||
GST_DEBUG ("process header %d %d", width, height);
|
||||
|
||||
if (mngdec->width != width || mngdec->height != height) {
|
||||
mngdec->width = width;
|
||||
mngdec->stride = ((width + 3) & ~3) * 4;
|
||||
mngdec->height = height;
|
||||
|
||||
if (GST_PAD_LINK_FAILED (gst_pad_renegotiate (mngdec->srcpad))) {
|
||||
GST_ELEMENT_ERROR (mngdec, CORE, NEGOTIATION, (NULL), (NULL));
|
||||
return MNG_FALSE;
|
||||
}
|
||||
|
||||
mngdec->buffer_out =
|
||||
gst_buffer_new_and_alloc (mngdec->height * mngdec->stride);
|
||||
}
|
||||
return MNG_TRUE;
|
||||
}
|
||||
|
||||
static mng_ptr
|
||||
mngdec_getcanvasline (mng_handle mng, mng_uint32 line)
|
||||
{
|
||||
GstMngDec *mngdec;
|
||||
|
||||
mngdec = GST_MNGDEC (mng_get_userdata (mng));
|
||||
|
||||
GST_DEBUG ("get canvas line %d", line);
|
||||
|
||||
return (mng_ptr) (GST_BUFFER_DATA (mngdec->buffer_out) +
|
||||
(line * mngdec->stride));
|
||||
}
|
||||
|
||||
static mng_bool
|
||||
mngdec_refresh (mng_handle mng, mng_uint32 x, mng_uint32 y,
|
||||
mng_uint32 w, mng_uint32 h)
|
||||
{
|
||||
GstMngDec *mngdec;
|
||||
|
||||
mngdec = GST_MNGDEC (mng_get_userdata (mng));
|
||||
|
||||
GST_DEBUG ("refresh %d %d %d %d", x, y, w, h);
|
||||
if (h == mngdec->height) {
|
||||
GstBuffer *out = gst_buffer_copy (mngdec->buffer_out);
|
||||
|
||||
gst_pad_push (mngdec->srcpad, GST_DATA (out));
|
||||
}
|
||||
|
||||
return MNG_TRUE;
|
||||
}
|
||||
|
||||
static GstElementStateReturn
|
||||
gst_mngdec_change_state (GstElement * element)
|
||||
{
|
||||
GstMngDec *mngdec = GST_MNGDEC (element);
|
||||
|
||||
switch (GST_STATE_TRANSITION (element)) {
|
||||
case GST_STATE_NULL_TO_READY:
|
||||
/* init library, make sure to pass an alloc function that sets the
|
||||
* memory to 0 */
|
||||
mngdec->mng =
|
||||
mng_initialize (mngdec, (mng_memalloc) g_malloc0,
|
||||
(mng_memfree) g_free, MNG_NULL);
|
||||
if (mngdec->mng == MNG_NULL) {
|
||||
return GST_STATE_FAILURE;
|
||||
}
|
||||
/* set the callbacks */
|
||||
mng_setcb_errorproc (mngdec->mng, mngdec_error);
|
||||
mng_setcb_openstream (mngdec->mng, mngdec_openstream);
|
||||
mng_setcb_closestream (mngdec->mng, mngdec_closestream);
|
||||
mng_setcb_readdata (mngdec->mng, mngdec_readdata);
|
||||
mng_setcb_gettickcount (mngdec->mng, mngdec_gettickcount);
|
||||
mng_setcb_settimer (mngdec->mng, mngdec_settimer);
|
||||
mng_setcb_processheader (mngdec->mng, mngdec_processheader);
|
||||
mng_setcb_getcanvasline (mngdec->mng, mngdec_getcanvasline);
|
||||
mng_setcb_refresh (mngdec->mng, mngdec_refresh);
|
||||
mng_set_canvasstyle (mngdec->mng, MNG_CANVAS_RGBA8);
|
||||
mng_set_doprogressive (mngdec->mng, MNG_FALSE);
|
||||
break;
|
||||
case GST_STATE_READY_TO_PAUSED:
|
||||
mngdec->first = TRUE;
|
||||
mngdec->fps = 10.0;
|
||||
break;
|
||||
case GST_STATE_PAUSED_TO_PLAYING:
|
||||
break;
|
||||
case GST_STATE_PLAYING_TO_PAUSED:
|
||||
break;
|
||||
case GST_STATE_PAUSED_TO_READY:
|
||||
break;
|
||||
case GST_STATE_READY_TO_NULL:
|
||||
mng_cleanup (&mngdec->mng);
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
if (GST_ELEMENT_CLASS (parent_class)->change_state)
|
||||
return GST_ELEMENT_CLASS (parent_class)->change_state (element);
|
||||
|
||||
return GST_STATE_SUCCESS;
|
||||
}
|
75
ext/libmng/gstmngdec.h
Normal file
75
ext/libmng/gstmngdec.h
Normal file
|
@ -0,0 +1,75 @@
|
|||
/* GStreamer
|
||||
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
|
||||
*
|
||||
* 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_MNGDEC_H__
|
||||
#define __GST_MNGDEC_H__
|
||||
|
||||
#include <gst/gst.h>
|
||||
#include <gst/bytestream/bytestream.h>
|
||||
#include <libmng.h>
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif /* __cplusplus */
|
||||
|
||||
|
||||
#define GST_TYPE_MNGDEC (gst_mngdec_get_type())
|
||||
#define GST_MNGDEC(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_MNGDEC,GstMngDec))
|
||||
#define GST_MNGDEC_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_MNGDEC,GstMngDec))
|
||||
#define GST_IS_MNGDEC(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_MNGDEC))
|
||||
#define GST_IS_MNGDEC_CLASS(obj)(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_MNGDEC))
|
||||
|
||||
typedef struct _GstMngDec GstMngDec;
|
||||
typedef struct _GstMngDecClass GstMngDecClass;
|
||||
|
||||
struct _GstMngDec
|
||||
{
|
||||
GstElement element;
|
||||
|
||||
GstPad *sinkpad, *srcpad;
|
||||
|
||||
GstBuffer *buffer_out;
|
||||
GstByteStream *bs;
|
||||
|
||||
mng_handle mng;
|
||||
gboolean first;
|
||||
|
||||
gint width;
|
||||
gint stride;
|
||||
gint height;
|
||||
gint bpp;
|
||||
gint color_type;
|
||||
gdouble fps;
|
||||
};
|
||||
|
||||
struct _GstMngDecClass
|
||||
{
|
||||
GstElementClass parent_class;
|
||||
};
|
||||
|
||||
GType gst_mngdec_get_type(void);
|
||||
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif /* __cplusplus */
|
||||
|
||||
|
||||
#endif /* __GST_MNGDEC_H__ */
|
249
ext/libmng/gstmngenc.c
Normal file
249
ext/libmng/gstmngenc.c
Normal file
|
@ -0,0 +1,249 @@
|
|||
/* GStreamer
|
||||
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
|
||||
*
|
||||
* Filter:
|
||||
* Copyright (C) 2000 Donald A. Graft
|
||||
*
|
||||
* 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 <string.h>
|
||||
#include <gst/gst.h>
|
||||
#include "gstmngenc.h"
|
||||
#include <gst/video/video.h>
|
||||
|
||||
#define MAX_HEIGHT 4096
|
||||
|
||||
|
||||
GstElementDetails gst_mngenc_details = {
|
||||
"MNG encoder",
|
||||
"Codec/Encoder/Image",
|
||||
"Encode a video frame to an .mng video",
|
||||
"Wim Taymans <wim@fluendo.com>",
|
||||
};
|
||||
|
||||
|
||||
/* Filter signals and args */
|
||||
enum
|
||||
{
|
||||
/* FILL ME */
|
||||
LAST_SIGNAL
|
||||
};
|
||||
|
||||
#define DEFAULT_SNAPSHOT TRUE
|
||||
|
||||
enum
|
||||
{
|
||||
ARG_0,
|
||||
ARG_SNAPSHOT,
|
||||
ARG_NEWMEDIA
|
||||
};
|
||||
|
||||
static void gst_mngenc_base_init (gpointer g_class);
|
||||
static void gst_mngenc_class_init (GstMngEncClass * klass);
|
||||
static void gst_mngenc_init (GstMngEnc * mngenc);
|
||||
static void gst_mngenc_set_property (GObject * object,
|
||||
guint prop_id, const GValue * value, GParamSpec * pspec);
|
||||
static void gst_mngenc_get_property (GObject * object,
|
||||
guint prop_id, GValue * value, GParamSpec * pspec);
|
||||
|
||||
static void gst_mngenc_chain (GstPad * pad, GstData * _data);
|
||||
|
||||
GstPadTemplate *mngenc_src_template, *mngenc_sink_template;
|
||||
|
||||
static GstElementClass *parent_class = NULL;
|
||||
|
||||
|
||||
GType
|
||||
gst_mngenc_get_type (void)
|
||||
{
|
||||
static GType mngenc_type = 0;
|
||||
|
||||
if (!mngenc_type) {
|
||||
static const GTypeInfo mngenc_info = {
|
||||
sizeof (GstMngEncClass),
|
||||
gst_mngenc_base_init,
|
||||
NULL,
|
||||
(GClassInitFunc) gst_mngenc_class_init,
|
||||
NULL,
|
||||
NULL,
|
||||
sizeof (GstMngEnc),
|
||||
0,
|
||||
(GInstanceInitFunc) gst_mngenc_init,
|
||||
};
|
||||
|
||||
mngenc_type = g_type_register_static (GST_TYPE_ELEMENT, "GstMngEnc",
|
||||
&mngenc_info, 0);
|
||||
}
|
||||
return mngenc_type;
|
||||
}
|
||||
|
||||
static GstCaps *
|
||||
mng_caps_factory (void)
|
||||
{
|
||||
return gst_caps_new_simple ("video/x-mng",
|
||||
"width", GST_TYPE_INT_RANGE, 16, 4096,
|
||||
"height", GST_TYPE_INT_RANGE, 16, 4096,
|
||||
"framerate", GST_TYPE_DOUBLE_RANGE, 0.0, G_MAXDOUBLE, NULL);
|
||||
}
|
||||
|
||||
|
||||
static GstCaps *
|
||||
raw_caps_factory (void)
|
||||
{
|
||||
return gst_caps_from_string (GST_VIDEO_CAPS_RGB);
|
||||
}
|
||||
|
||||
static void
|
||||
gst_mngenc_base_init (gpointer g_class)
|
||||
{
|
||||
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
|
||||
GstCaps *raw_caps, *mng_caps;
|
||||
|
||||
raw_caps = raw_caps_factory ();
|
||||
mng_caps = mng_caps_factory ();
|
||||
|
||||
mngenc_sink_template = gst_pad_template_new ("sink", GST_PAD_SINK,
|
||||
GST_PAD_ALWAYS, raw_caps);
|
||||
|
||||
mngenc_src_template = gst_pad_template_new ("src", GST_PAD_SRC,
|
||||
GST_PAD_ALWAYS, mng_caps);
|
||||
|
||||
gst_element_class_add_pad_template (element_class, mngenc_sink_template);
|
||||
gst_element_class_add_pad_template (element_class, mngenc_src_template);
|
||||
gst_element_class_set_details (element_class, &gst_mngenc_details);
|
||||
}
|
||||
|
||||
static void
|
||||
gst_mngenc_class_init (GstMngEncClass * klass)
|
||||
{
|
||||
GObjectClass *gobject_class;
|
||||
GstElementClass *gstelement_class;
|
||||
|
||||
gobject_class = (GObjectClass *) klass;
|
||||
gstelement_class = (GstElementClass *) klass;
|
||||
|
||||
parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
|
||||
|
||||
g_object_class_install_property (gobject_class, ARG_SNAPSHOT,
|
||||
g_param_spec_boolean ("snapshot", "Snapshot",
|
||||
"Send EOS after encoding a frame, useful for snapshots",
|
||||
DEFAULT_SNAPSHOT, (GParamFlags) G_PARAM_READWRITE));
|
||||
|
||||
g_object_class_install_property (gobject_class, ARG_NEWMEDIA,
|
||||
g_param_spec_boolean ("newmedia", "newmedia",
|
||||
"Send new media discontinuity after encoding each frame",
|
||||
FALSE, (GParamFlags) G_PARAM_READWRITE));
|
||||
|
||||
gstelement_class->get_property = gst_mngenc_get_property;
|
||||
gstelement_class->set_property = gst_mngenc_set_property;
|
||||
}
|
||||
|
||||
|
||||
static GstPadLinkReturn
|
||||
gst_mngenc_sinklink (GstPad * pad, const GstCaps * caps)
|
||||
{
|
||||
GstMngEnc *mngenc;
|
||||
gdouble fps;
|
||||
GstStructure *structure;
|
||||
|
||||
mngenc = GST_MNGENC (gst_pad_get_parent (pad));
|
||||
|
||||
structure = gst_caps_get_structure (caps, 0);
|
||||
gst_structure_get_int (structure, "width", &mngenc->width);
|
||||
gst_structure_get_int (structure, "height", &mngenc->height);
|
||||
gst_structure_get_double (structure, "framerate", &fps);
|
||||
gst_structure_get_int (structure, "bpp", &mngenc->bpp);
|
||||
|
||||
caps = gst_caps_new_simple ("video/x-mng",
|
||||
"framerate", G_TYPE_DOUBLE, fps,
|
||||
"width", G_TYPE_INT, mngenc->width,
|
||||
"height", G_TYPE_INT, mngenc->height, NULL);
|
||||
|
||||
return gst_pad_try_set_caps (mngenc->srcpad, caps);
|
||||
}
|
||||
|
||||
static void
|
||||
gst_mngenc_init (GstMngEnc * mngenc)
|
||||
{
|
||||
mngenc->sinkpad = gst_pad_new_from_template (mngenc_sink_template, "sink");
|
||||
gst_element_add_pad (GST_ELEMENT (mngenc), mngenc->sinkpad);
|
||||
|
||||
mngenc->srcpad = gst_pad_new ("src", GST_PAD_SRC);
|
||||
gst_element_add_pad (GST_ELEMENT (mngenc), mngenc->srcpad);
|
||||
|
||||
gst_pad_set_chain_function (mngenc->sinkpad, gst_mngenc_chain);
|
||||
gst_pad_set_link_function (mngenc->sinkpad, gst_mngenc_sinklink);
|
||||
|
||||
mngenc->snapshot = DEFAULT_SNAPSHOT;
|
||||
mngenc->newmedia = FALSE;
|
||||
}
|
||||
|
||||
static void
|
||||
gst_mngenc_chain (GstPad * pad, GstData * _data)
|
||||
{
|
||||
GstBuffer *buf = GST_BUFFER (_data);
|
||||
GstMngEnc *mngenc;
|
||||
|
||||
mngenc = GST_MNGENC (gst_pad_get_parent (pad));
|
||||
|
||||
/* FIXME, do something here */
|
||||
|
||||
gst_buffer_unref (buf);
|
||||
}
|
||||
|
||||
|
||||
static void
|
||||
gst_mngenc_get_property (GObject * object,
|
||||
guint prop_id, GValue * value, GParamSpec * pspec)
|
||||
{
|
||||
GstMngEnc *mngenc;
|
||||
|
||||
mngenc = GST_MNGENC (object);
|
||||
|
||||
switch (prop_id) {
|
||||
case ARG_SNAPSHOT:
|
||||
g_value_set_boolean (value, mngenc->snapshot);
|
||||
break;
|
||||
case ARG_NEWMEDIA:
|
||||
g_value_set_boolean (value, mngenc->newmedia);
|
||||
break;
|
||||
default:
|
||||
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
static void
|
||||
gst_mngenc_set_property (GObject * object,
|
||||
guint prop_id, const GValue * value, GParamSpec * pspec)
|
||||
{
|
||||
GstMngEnc *mngenc;
|
||||
|
||||
mngenc = GST_MNGENC (object);
|
||||
|
||||
switch (prop_id) {
|
||||
case ARG_SNAPSHOT:
|
||||
mngenc->snapshot = g_value_get_boolean (value);
|
||||
break;
|
||||
case ARG_NEWMEDIA:
|
||||
mngenc->newmedia = g_value_get_boolean (value);
|
||||
break;
|
||||
default:
|
||||
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
||||
break;
|
||||
}
|
||||
}
|
73
ext/libmng/gstmngenc.h
Normal file
73
ext/libmng/gstmngenc.h
Normal file
|
@ -0,0 +1,73 @@
|
|||
/* GStreamer
|
||||
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
|
||||
*
|
||||
* 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_MNGENC_H__
|
||||
#define __GST_MNGENC_H__
|
||||
|
||||
#include <gst/gst.h>
|
||||
#include <libmng.h>
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif /* __cplusplus */
|
||||
|
||||
|
||||
#define GST_TYPE_MNGENC (gst_mngenc_get_type())
|
||||
#define GST_MNGENC(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_MNGENC,GstMngEnc))
|
||||
#define GST_MNGENC_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_MNGENC,GstMngEnc))
|
||||
#define GST_IS_MNGENC(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_MNGENC))
|
||||
#define GST_IS_MNGENC_CLASS(obj)(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_MNGENC))
|
||||
|
||||
typedef struct _GstMngEnc GstMngEnc;
|
||||
typedef struct _GstMngEncClass GstMngEncClass;
|
||||
|
||||
extern GstPadTemplate *mngenc_src_template, *mngenc_sink_template;
|
||||
|
||||
struct _GstMngEnc
|
||||
{
|
||||
GstElement element;
|
||||
|
||||
GstPad *sinkpad, *srcpad;
|
||||
GstBuffer *buffer_out;
|
||||
|
||||
mng_handle mng;
|
||||
|
||||
gint width;
|
||||
gint height;
|
||||
gint bpp;
|
||||
|
||||
gboolean snapshot;
|
||||
gboolean newmedia;
|
||||
};
|
||||
|
||||
struct _GstMngEncClass
|
||||
{
|
||||
GstElementClass parent_class;
|
||||
};
|
||||
|
||||
GType gst_mngenc_get_type(void);
|
||||
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif /* __cplusplus */
|
||||
|
||||
|
||||
#endif /* __GST_MNGENC_H__ */
|
Loading…
Reference in a new issue