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Hook it up.
Original commit message from CVS: 2006-02-05 Lutz Mueller <lutz@topfrose.de> reviewed by: Andy Wingo <wingo@pobox.com> * configure.ac: * ext/Makefile.am: Hook it up. * ext/bz2/gstbz2.c: * ext/bz2/gstbz2dec.h: * ext/bz2/gstbz2dec.c: * ext/bz2/gstbz2enc.h: * ext/bz2/gstbz2enc.c: New plugin, implements bz2 encoding and decoding (#303167).
This commit is contained in:
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9 changed files with 701 additions and 0 deletions
13
ChangeLog
13
ChangeLog
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@ -1,3 +1,16 @@
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2006-02-05 Lutz Mueller <lutz@topfrose.de>
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reviewed by: Andy Wingo <wingo@pobox.com>
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* configure.ac:
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* ext/Makefile.am: Hook it up.
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* ext/bz2/gstbz2.c:
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* ext/bz2/gstbz2dec.h:
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* ext/bz2/gstbz2dec.c:
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* ext/bz2/gstbz2enc.h:
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* ext/bz2/gstbz2enc.c: New plugin, implements bz2 encoding and
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decoding (#303167).
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2006-01-30 Andy Wingo <wingo@pobox.com>
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* sys/glsink/Makefile.am (libgstglimagesink_la_LIBADD)
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@ -400,6 +400,13 @@ else
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AC_SUBST(X_LIBS)
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fi
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dnl *** BZ2 ***
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translit(bz2, m, l) AM_CONDITIONAL(USE_BZ2, true)
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GST_CHECK_FEATURE(BZ2, [bz2 library], bz2, [
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GST_CHECK_LIBHEADER(BZ2, bz2, BZ2_bzCompress, ,bzlib.h, BZ2_LIBS="-lbz2")
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AC_SUBST(BZ2_LIBS)
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])
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dnl *** DTS ***
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translit(dnm, m, l) AM_CONDITIONAL(USE_DTS, true)
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GST_CHECK_FEATURE(DTS, [dts library], dtsdec, [
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@ -652,6 +659,7 @@ sys/glsink/Makefile
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examples/Makefile
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examples/directfb/Makefile
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ext/Makefile
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ext/bz2/Makefile
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ext/directfb/Makefile
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ext/faac/Makefile
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ext/faad/Makefile
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@ -22,6 +22,12 @@ AUDIOFILE_DIR=
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AUDIORESAMPLE_DIR=
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# endif
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if USE_BZ2
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BZ2_DIR=bz2
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else
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BZ2_DIR=
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endif
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# if USE_CDAUDIO
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# CDAUDIO_DIR=cdaudio
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# else
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@ -207,6 +213,7 @@ SUBDIRS=\
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$(ARTSC_DIR) \
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$(AUDIOFILE_DIR) \
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$(AUDIORESAMPLE_DIR) \
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$(BZ2_DIR) \
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$(CDAUDIO_DIR) \
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$(DIRAC_DIR) \
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$(DIRECTFB_DIR) \
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@ -239,6 +246,7 @@ SUBDIRS=\
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$(XVID_DIR)
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DIST_SUBDIRS= \
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bz2 \
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directfb \
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faac \
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faad \
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11
ext/bz2/Makefile.am
Normal file
11
ext/bz2/Makefile.am
Normal file
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@ -0,0 +1,11 @@
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plugin_LTLIBRARIES = libgstbz2.la
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libgstbz2_la_SOURCES = \
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gstbz2.c gstbz2dec.c gstbz2enc.c
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libgstbz2_la_CFLAGS = $(GST_CFLAGS)
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libgstbz2_la_LIBADD = $(BZ2_LIBS)
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libgstbz2_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
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noinst_HEADERS = \
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gstbz2dec.h gstbz2enc.h
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41
ext/bz2/gstbz2.c
Normal file
41
ext/bz2/gstbz2.c
Normal file
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@ -0,0 +1,41 @@
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/* GStreamer
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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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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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "gstbz2enc.h"
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#include "gstbz2dec.h"
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#include <gst/gstplugin.h>
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#include <string.h>
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static gboolean
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plugin_init (GstPlugin * p)
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{
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if (!gst_element_register (p, "bz2enc", GST_RANK_NONE, GST_TYPE_BZ2ENC))
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return FALSE;
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if (!gst_element_register (p, "bz2dec", GST_RANK_NONE, GST_TYPE_BZ2DEC))
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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, GST_VERSION_MINOR, "bz2",
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"Compress or decompress streams",
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plugin_init, VERSION, GST_LICENSE, GST_PACKAGE, GST_ORIGIN)
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239
ext/bz2/gstbz2dec.c
Normal file
239
ext/bz2/gstbz2dec.c
Normal file
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@ -0,0 +1,239 @@
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/* GStreamer
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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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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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "gstbz2dec.h"
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#include <bzlib.h>
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#include <string.h>
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GST_DEBUG_CATEGORY_STATIC (bz2dec_debug);
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#define GST_CAT_DEFAULT bz2dec_debug
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static GstElementDetails bz2dec_details = GST_ELEMENT_DETAILS ("BZ2 decoder",
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"Codec/Decoder", "Decodes compressed streams",
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"Lutz Mueller <lutz@users.sourceforge.net>");
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static GstStaticPadTemplate sink_template =
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GST_STATIC_PAD_TEMPLATE ("sink", GST_PAD_SINK, GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("application/x-bz2"));
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static GstStaticPadTemplate src_template =
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GST_STATIC_PAD_TEMPLATE ("src", GST_PAD_SRC, GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("application/octet-stream"));
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struct _GstBz2dec
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{
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GstElement parent;
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/* Properties */
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guint buffer_size;
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gboolean ready;
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bz_stream stream;
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guint64 offset;
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};
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struct _GstBz2decClass
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{
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GstElementClass parent_class;
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};
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GST_BOILERPLATE (GstBz2dec, gst_bz2dec, GstElement, GST_TYPE_ELEMENT);
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#define DEFAULT_BUFFER_SIZE 1024
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enum
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{
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PROP_0,
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PROP_BUFFER_SIZE
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};
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static void
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gst_bz2dec_decompress_end (GstBz2dec * b)
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{
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g_return_if_fail (GST_IS_BZ2DEC (b));
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if (b->ready) {
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BZ2_bzDecompressEnd (&b->stream);
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memset (&b->stream, 0, sizeof (b->stream));
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b->ready = FALSE;
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}
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}
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static void
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gst_bz2dec_decompress_init (GstBz2dec * b)
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{
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g_return_if_fail (GST_IS_BZ2DEC (b));
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gst_bz2dec_decompress_end (b);
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b->offset = 0;
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switch (BZ2_bzDecompressInit (&b->stream, 0, 0)) {
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case BZ_OK:
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b->ready = TRUE;
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return;
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default:
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b->ready = FALSE;
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GST_ELEMENT_ERROR (b, CORE, FAILED, (NULL),
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("Failed to start decompression."));
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return;
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}
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}
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static GstFlowReturn
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gst_bz2dec_chain (GstPad * pad, GstBuffer * in)
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{
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GstBz2dec *b = GST_BZ2DEC (gst_pad_get_parent (pad));
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GstPad *src = gst_element_get_pad (GST_ELEMENT (b), "src");
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int r = BZ_OK;
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GstFlowReturn fr;
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guint n;
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gst_object_unref (b);
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gst_object_unref (src);
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if (!b->ready) {
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GST_ELEMENT_ERROR (b, CORE, FAILED, (NULL), ("Decompressor not ready."));
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return GST_FLOW_ERROR;
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}
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b->stream.next_in = (char *) GST_BUFFER_DATA (in);
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b->stream.avail_in = GST_BUFFER_SIZE (in);
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while (r != BZ_STREAM_END) {
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GstBuffer *out;
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if ((fr = gst_pad_alloc_buffer (src, b->offset, b->buffer_size,
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GST_PAD_CAPS (pad), &out)) != GST_FLOW_OK) {
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gst_bz2dec_decompress_init (b);
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return fr;
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}
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b->stream.next_out = (char *) GST_BUFFER_DATA (out);
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b->stream.avail_out = GST_BUFFER_SIZE (out);
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r = BZ2_bzDecompress (&b->stream);
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if ((r != BZ_OK) && (r != BZ_STREAM_END)) {
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GST_ELEMENT_ERROR (b, STREAM, DECODE, (NULL),
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("Failed to decompress data (error code %i).", r));
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gst_bz2dec_decompress_init (b);
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gst_buffer_unref (out);
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return GST_FLOW_ERROR;
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}
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if (b->stream.avail_out >= GST_BUFFER_SIZE (out)) {
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gst_buffer_unref (out);
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break;
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}
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GST_BUFFER_SIZE (out) -= b->stream.avail_out;
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GST_BUFFER_OFFSET (out) = b->stream.total_out_lo32 - GST_BUFFER_SIZE (out);
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n = GST_BUFFER_SIZE (out);
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if ((fr = gst_pad_push (src, out)) != GST_FLOW_OK) {
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gst_buffer_unref (out);
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return fr;
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}
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b->offset += n;
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}
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gst_buffer_unref (in);
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return GST_FLOW_OK;
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}
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static void
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gst_bz2dec_init (GstBz2dec * b, GstBz2decClass * klass)
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{
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GstPad *pad;
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b->buffer_size = DEFAULT_BUFFER_SIZE;
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pad =
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gst_pad_new_from_template (gst_static_pad_template_get (&sink_template),
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"sink");
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gst_pad_set_chain_function (pad, gst_bz2dec_chain);
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gst_element_add_pad (GST_ELEMENT (b), pad);
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pad =
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gst_pad_new_from_template (gst_static_pad_template_get (&src_template),
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"src");
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gst_element_add_pad (GST_ELEMENT (b), pad);
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gst_bz2dec_decompress_init (b);
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}
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static void
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gst_bz2dec_base_init (gpointer g_class)
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{
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GstElementClass *ec = GST_ELEMENT_CLASS (g_class);
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gst_element_class_add_pad_template (ec,
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gst_static_pad_template_get (&sink_template));
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gst_element_class_add_pad_template (ec,
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gst_static_pad_template_get (&src_template));
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gst_element_class_set_details (ec, &bz2dec_details);
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}
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static void
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gst_bz2dec_finalize (GObject * object)
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{
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GstBz2dec *b = GST_BZ2DEC (object);
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gst_bz2dec_decompress_end (b);
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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static void
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gst_bz2dec_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec)
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{
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GstBz2dec *b = GST_BZ2DEC (object);
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switch (prop_id) {
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case PROP_BUFFER_SIZE:
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g_value_set_uint (value, b->buffer_size);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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}
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}
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static void
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gst_bz2dec_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec)
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{
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GstBz2dec *b = GST_BZ2DEC (object);
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switch (prop_id) {
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case PROP_BUFFER_SIZE:
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b->buffer_size = g_value_get_uint (value);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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}
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}
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static void
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gst_bz2dec_class_init (GstBz2decClass * klass)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
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gobject_class->finalize = gst_bz2dec_finalize;
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gobject_class->get_property = gst_bz2dec_get_property;
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gobject_class->set_property = gst_bz2dec_set_property;
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g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_BUFFER_SIZE,
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g_param_spec_uint ("buffer_size", "Buffer size", "Buffer size",
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1, G_MAXUINT, DEFAULT_BUFFER_SIZE, G_PARAM_READWRITE));
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|
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GST_DEBUG_CATEGORY_INIT (bz2dec_debug, "bz2dec", 0, "BZ2 decompressor");
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}
|
38
ext/bz2/gstbz2dec.h
Normal file
38
ext/bz2/gstbz2dec.h
Normal file
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/* bz2dec: Encoder plugin for GStreamer
|
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*
|
||||
* 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.
|
||||
*/
|
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|
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#ifndef __GST_BZ2DEC_H_
|
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#define __GST_BZ2DEC_H__
|
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|
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#include <gst/gst.h>
|
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|
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G_BEGIN_DECLS
|
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#define GST_TYPE_BZ2DEC (gst_bz2dec_get_type())
|
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#define GST_BZ2DEC(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_BZ2DEC,GstBz2dec))
|
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#define GST_BZ2DEC_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_BZ2DEC,GstBz2dec))
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#define GST_IS_BZ2DEC(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_BZ2DEC))
|
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#define GST_IS_BZ2DEC_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_BZ2DEC))
|
||||
typedef struct _GstBz2dec GstBz2dec;
|
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typedef struct _GstBz2decClass GstBz2decClass;
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|
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GType
|
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gst_bz2dec_get_type (void)
|
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G_GNUC_CONST;
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|
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G_END_DECLS
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#endif /* __GST_BZ2DEC_H__ */
|
305
ext/bz2/gstbz2enc.c
Normal file
305
ext/bz2/gstbz2enc.c
Normal file
|
@ -0,0 +1,305 @@
|
|||
/* GStreamer
|
||||
*
|
||||
* 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.
|
||||
*/
|
||||
#ifdef HAVE_CONFIG_H
|
||||
#include "config.h"
|
||||
#endif
|
||||
#include "gstbz2enc.h"
|
||||
|
||||
#include <bzlib.h>
|
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#include <string.h>
|
||||
|
||||
GST_DEBUG_CATEGORY_STATIC (bz2enc_debug);
|
||||
#define GST_CAT_DEFAULT bz2enc_debug
|
||||
|
||||
static GstElementDetails bz2enc_details = GST_ELEMENT_DETAILS ("BZ2 encoder",
|
||||
"Codec/Encoder", "Compresses streams",
|
||||
"Lutz Mueller <lutz@users.sourceforge.net>");
|
||||
|
||||
static GstStaticPadTemplate sink_template =
|
||||
GST_STATIC_PAD_TEMPLATE ("sink", GST_PAD_SINK, GST_PAD_ALWAYS,
|
||||
GST_STATIC_CAPS ("application/octet-stream"));
|
||||
static GstStaticPadTemplate src_template =
|
||||
GST_STATIC_PAD_TEMPLATE ("src", GST_PAD_SRC, GST_PAD_ALWAYS,
|
||||
GST_STATIC_CAPS ("application/x-bz2"));
|
||||
|
||||
#define DEFAULT_BLOCK_SIZE 6
|
||||
#define DEFAULT_BUFFER_SIZE 1024
|
||||
|
||||
enum
|
||||
{
|
||||
PROP_0,
|
||||
PROP_BLOCK_SIZE,
|
||||
PROP_BUFFER_SIZE
|
||||
};
|
||||
|
||||
struct _GstBz2enc
|
||||
{
|
||||
GstElement parent;
|
||||
|
||||
/* Properties */
|
||||
guint block_size;
|
||||
guint buffer_size;
|
||||
|
||||
gboolean ready;
|
||||
bz_stream stream;
|
||||
guint64 offset;
|
||||
};
|
||||
|
||||
struct _GstBz2encClass
|
||||
{
|
||||
GstElementClass parent_class;
|
||||
};
|
||||
|
||||
GST_BOILERPLATE (GstBz2enc, gst_bz2enc, GstElement, GST_TYPE_ELEMENT);
|
||||
|
||||
static void
|
||||
gst_bz2enc_compress_end (GstBz2enc * b)
|
||||
{
|
||||
g_return_if_fail (GST_IS_BZ2ENC (b));
|
||||
|
||||
if (b->ready) {
|
||||
BZ2_bzCompressEnd (&b->stream);
|
||||
memset (&b->stream, 0, sizeof (b->stream));
|
||||
b->ready = FALSE;
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
gst_bz2enc_compress_init (GstBz2enc * b)
|
||||
{
|
||||
g_return_if_fail (GST_IS_BZ2ENC (b));
|
||||
|
||||
gst_bz2enc_compress_end (b);
|
||||
b->offset = 0;
|
||||
switch (BZ2_bzCompressInit (&b->stream, b->block_size, 0, 0)) {
|
||||
case BZ_OK:
|
||||
b->ready = TRUE;
|
||||
return;
|
||||
default:
|
||||
b->ready = FALSE;
|
||||
GST_ELEMENT_ERROR (b, CORE, FAILED, (NULL),
|
||||
("Failed to start compression."));
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
static gboolean
|
||||
gst_bz2enc_event (GstPad * pad, GstEvent * e)
|
||||
{
|
||||
GstBz2enc *b = GST_BZ2ENC (gst_pad_get_parent (pad));
|
||||
GstPad *src = gst_element_get_pad (GST_ELEMENT (b), "src");
|
||||
int r = BZ_FINISH_OK;
|
||||
GstFlowReturn fr;
|
||||
|
||||
gst_object_unref (b);
|
||||
gst_object_unref (src);
|
||||
switch (GST_EVENT_TYPE (e)) {
|
||||
case GST_EVENT_EOS:
|
||||
while (r != BZ_STREAM_END) {
|
||||
GstBuffer *out;
|
||||
|
||||
if ((fr = gst_pad_alloc_buffer (src, b->offset, b->buffer_size,
|
||||
GST_PAD_CAPS (src), &out)) != GST_FLOW_OK) {
|
||||
GST_ELEMENT_ERROR (b, STREAM, DECODE, (NULL),
|
||||
("Failed to allocate buffer of size %i.", b->buffer_size));
|
||||
break;
|
||||
}
|
||||
b->stream.next_out = (char *) GST_BUFFER_DATA (out);
|
||||
b->stream.avail_out = GST_BUFFER_SIZE (out);
|
||||
r = BZ2_bzCompress (&b->stream, BZ_FINISH);
|
||||
if ((r != BZ_FINISH_OK) && (r != BZ_STREAM_END)) {
|
||||
GST_ELEMENT_ERROR (b, STREAM, DECODE, (NULL),
|
||||
("Failed to finish to compress (error code %i).", r));
|
||||
gst_buffer_unref (out);
|
||||
break;
|
||||
}
|
||||
if (b->stream.avail_out >= GST_BUFFER_SIZE (out)) {
|
||||
gst_buffer_unref (out);
|
||||
break;
|
||||
}
|
||||
GST_BUFFER_SIZE (out) -= b->stream.avail_out;
|
||||
GST_BUFFER_OFFSET (out) =
|
||||
b->stream.total_out_lo32 - GST_BUFFER_SIZE (out);
|
||||
if ((fr = gst_pad_push (src, out)) != GST_FLOW_OK) {
|
||||
GST_ELEMENT_ERROR (b, STREAM, DECODE, (NULL),
|
||||
("Could not push last packet (error code %i).", r));
|
||||
gst_buffer_unref (out);
|
||||
break;
|
||||
}
|
||||
}
|
||||
gst_bz2enc_compress_init (b);
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
return gst_pad_event_default (pad, e);
|
||||
}
|
||||
|
||||
static GstFlowReturn
|
||||
gst_bz2enc_chain (GstPad * pad, GstBuffer * in)
|
||||
{
|
||||
GstBz2enc *b = GST_BZ2ENC (gst_pad_get_parent (pad));
|
||||
GstPad *src = gst_element_get_pad (GST_ELEMENT (b), "src");
|
||||
GstFlowReturn fr = GST_FLOW_OK;
|
||||
guint n;
|
||||
|
||||
gst_object_unref (b);
|
||||
gst_object_unref (src);
|
||||
if (!b->ready) {
|
||||
GST_ELEMENT_ERROR (b, CORE, FAILED, (NULL), ("Compressor not ready."));
|
||||
return GST_FLOW_ERROR;
|
||||
}
|
||||
|
||||
b->stream.next_in = (char *) GST_BUFFER_DATA (in);
|
||||
b->stream.avail_in = GST_BUFFER_SIZE (in);
|
||||
while ((fr == GST_FLOW_OK) && b->stream.avail_in) {
|
||||
GstBuffer *out;
|
||||
int r;
|
||||
|
||||
if ((fr = gst_pad_alloc_buffer (src, b->offset, b->buffer_size,
|
||||
GST_PAD_CAPS (pad), &out)) != GST_FLOW_OK) {
|
||||
gst_bz2enc_compress_init (b);
|
||||
return fr;
|
||||
}
|
||||
b->stream.next_out = (char *) GST_BUFFER_DATA (out);
|
||||
b->stream.avail_out = GST_BUFFER_SIZE (out);
|
||||
r = BZ2_bzCompress (&b->stream, BZ_RUN);
|
||||
if (r != BZ_RUN_OK) {
|
||||
GST_ELEMENT_ERROR (b, STREAM, DECODE, (NULL),
|
||||
("Failed to compress data (error code %i).", r));
|
||||
gst_bz2enc_compress_init (b);
|
||||
gst_buffer_unref (out);
|
||||
return GST_FLOW_ERROR;
|
||||
}
|
||||
if (b->stream.avail_out >= GST_BUFFER_SIZE (out)) {
|
||||
gst_buffer_unref (out);
|
||||
break;
|
||||
}
|
||||
GST_BUFFER_SIZE (out) -= b->stream.avail_out;
|
||||
GST_BUFFER_OFFSET (out) = b->stream.total_out_lo32 - GST_BUFFER_SIZE (out);
|
||||
n = GST_BUFFER_SIZE (out);
|
||||
if ((fr = gst_pad_push (src, out)) != GST_FLOW_OK) {
|
||||
gst_buffer_unref (out);
|
||||
return fr;
|
||||
}
|
||||
b->offset += n;
|
||||
}
|
||||
gst_buffer_unref (in);
|
||||
return GST_FLOW_OK;
|
||||
}
|
||||
|
||||
static void
|
||||
gst_bz2enc_init (GstBz2enc * b, GstBz2encClass * klass)
|
||||
{
|
||||
GstPad *pad;
|
||||
|
||||
pad =
|
||||
gst_pad_new_from_template (gst_static_pad_template_get (&sink_template),
|
||||
"sink");
|
||||
gst_pad_set_chain_function (pad, gst_bz2enc_chain);
|
||||
gst_pad_set_event_function (pad, gst_bz2enc_event);
|
||||
gst_element_add_pad (GST_ELEMENT (b), pad);
|
||||
pad =
|
||||
gst_pad_new_from_template (gst_static_pad_template_get (&src_template),
|
||||
"src");
|
||||
gst_element_add_pad (GST_ELEMENT (b), pad);
|
||||
|
||||
b->block_size = DEFAULT_BLOCK_SIZE;
|
||||
b->buffer_size = DEFAULT_BUFFER_SIZE;
|
||||
gst_bz2enc_compress_init (b);
|
||||
}
|
||||
|
||||
static void
|
||||
gst_bz2enc_base_init (gpointer g_class)
|
||||
{
|
||||
GstElementClass *ec = GST_ELEMENT_CLASS (g_class);
|
||||
|
||||
gst_element_class_add_pad_template (ec,
|
||||
gst_static_pad_template_get (&sink_template));
|
||||
gst_element_class_add_pad_template (ec,
|
||||
gst_static_pad_template_get (&src_template));
|
||||
gst_element_class_set_details (ec, &bz2enc_details);
|
||||
}
|
||||
|
||||
static void
|
||||
gst_bz2enc_finalize (GObject * object)
|
||||
{
|
||||
GstBz2enc *b = GST_BZ2ENC (object);
|
||||
|
||||
gst_bz2enc_compress_end (b);
|
||||
|
||||
G_OBJECT_CLASS (parent_class)->finalize (object);
|
||||
}
|
||||
|
||||
static void
|
||||
gst_bz2enc_get_property (GObject * object, guint prop_id,
|
||||
GValue * value, GParamSpec * pspec)
|
||||
{
|
||||
GstBz2enc *b = GST_BZ2ENC (object);
|
||||
|
||||
switch (prop_id) {
|
||||
case PROP_BLOCK_SIZE:
|
||||
g_value_set_uint (value, b->block_size);
|
||||
break;
|
||||
case PROP_BUFFER_SIZE:
|
||||
g_value_set_uint (value, b->buffer_size);
|
||||
break;
|
||||
default:
|
||||
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
gst_bz2enc_set_property (GObject * object, guint prop_id,
|
||||
const GValue * value, GParamSpec * pspec)
|
||||
{
|
||||
GstBz2enc *b = GST_BZ2ENC (object);
|
||||
|
||||
switch (prop_id) {
|
||||
case PROP_BLOCK_SIZE:
|
||||
b->block_size = g_value_get_uint (value);
|
||||
gst_bz2enc_compress_init (b);
|
||||
break;
|
||||
case PROP_BUFFER_SIZE:
|
||||
b->buffer_size = g_value_get_uint (value);
|
||||
break;
|
||||
default:
|
||||
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
gst_bz2enc_class_init (GstBz2encClass * klass)
|
||||
{
|
||||
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
|
||||
|
||||
parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
|
||||
|
||||
gobject_class->finalize = gst_bz2enc_finalize;
|
||||
gobject_class->set_property = gst_bz2enc_set_property;
|
||||
gobject_class->get_property = gst_bz2enc_get_property;
|
||||
|
||||
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_BLOCK_SIZE,
|
||||
g_param_spec_uint ("block_size", "Block size", "Block size",
|
||||
1, 9, DEFAULT_BLOCK_SIZE, G_PARAM_READWRITE));
|
||||
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_BUFFER_SIZE,
|
||||
g_param_spec_uint ("buffer_size", "Buffer size", "Buffer size",
|
||||
1, G_MAXUINT, DEFAULT_BUFFER_SIZE, G_PARAM_READWRITE));
|
||||
|
||||
GST_DEBUG_CATEGORY_INIT (bz2enc_debug, "bz2enc", 0, "BZ2 compressor");
|
||||
}
|
38
ext/bz2/gstbz2enc.h
Normal file
38
ext/bz2/gstbz2enc.h
Normal file
|
@ -0,0 +1,38 @@
|
|||
/* bz2enc: Encoder plugin for GStreamer
|
||||
*
|
||||
* 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_BZ2ENC_H_
|
||||
#define __GST_BZ2ENC_H__
|
||||
|
||||
#include <gst/gst.h>
|
||||
|
||||
G_BEGIN_DECLS
|
||||
#define GST_TYPE_BZ2ENC (gst_bz2enc_get_type())
|
||||
#define GST_BZ2ENC(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_BZ2ENC,GstBz2enc))
|
||||
#define GST_BZ2ENC_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_BZ2ENC,GstBz2enc))
|
||||
#define GST_IS_BZ2ENC(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_BZ2ENC))
|
||||
#define GST_IS_BZ2ENC_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_BZ2ENC))
|
||||
typedef struct _GstBz2enc GstBz2enc;
|
||||
typedef struct _GstBz2encClass GstBz2encClass;
|
||||
|
||||
GType
|
||||
gst_bz2enc_get_type (void)
|
||||
G_GNUC_CONST;
|
||||
|
||||
G_END_DECLS
|
||||
#endif /* __GST_BZ2ENC_H__ */
|
Loading…
Reference in a new issue