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Add libopenspc-based SPC decoder element (#348220).
Original commit message from CVS: Patch by: Chris Lee <clee at kde org> * configure.ac: * ext/Makefile.am: * ext/spc/Makefile.am: * ext/spc/gstspc.c: (spc_negotiate), (gst_spc_dec_base_init), (gst_spc_dec_class_init), (gst_spc_dec_init), (gst_spc_dec_chain), (gst_spc_dec_sink_event), (gst_spc_dec_src_event), (gst_spc_dec_src_query), (spc_play), (spc_setup), (gst_spc_dec_change_state), (plugin_init): * ext/spc/gstspc.h: Add libopenspc-based SPC decoder element (#348220).
This commit is contained in:
Chris Lee
Tim-Philipp Müller
parent
c8e459496b
commit
b7f35a1240
7 changed files with 459 additions and 2 deletions
15
ChangeLog
15
ChangeLog
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@ -1,3 +1,18 @@
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2006-07-23 Tim-Philipp Müller <tim at centricular dot net>
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Patch by: Chris Lee <clee at kde org>
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* configure.ac:
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* ext/Makefile.am:
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* ext/spc/Makefile.am:
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* ext/spc/gstspc.c: (spc_negotiate), (gst_spc_dec_base_init),
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(gst_spc_dec_class_init), (gst_spc_dec_init), (gst_spc_dec_chain),
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(gst_spc_dec_sink_event), (gst_spc_dec_src_event),
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(gst_spc_dec_src_query), (spc_play), (spc_setup),
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(gst_spc_dec_change_state), (plugin_init):
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* ext/spc/gstspc.h:
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Add libopenspc-based SPC decoder element (#348220).
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2006-07-19 Tim-Philipp Müller <tim at centricular dot net>
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2006-07-19 Tim-Philipp Müller <tim at centricular dot net>
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Patch by: Martin Szulecki
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Patch by: Martin Szulecki
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2
common
2
common
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@ -1 +1 @@
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Subproject commit 53ecdc0c97a2992e5abeddd41d514bc142401e5d
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Subproject commit 5393d85731aecaf5bcbbca258a7b60dae7360f3d
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18
configure.ac
18
configure.ac
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@ -674,6 +674,22 @@ GST_CHECK_FEATURE(SOUNDTOUCH, [soundtouch plug-in], soundtouch, [
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fi
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fi
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])
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])
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dnl *** spc ***
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translit(dnm, m, l) AM_CONDITIONAL(USE_SPC, true)
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GST_CHECK_FEATURE(SPC, [spc decoder], spc, [
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AC_CHECK_HEADER(openspc.h, [
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AC_CHECK_LIB(openspc, OSPC_Init, [
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SPC_LIBS="-lopenspc"
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AC_SUBST(SPC_LIBS)
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HAVE_SPC=yes
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], [
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HAVE_SPC=no
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])
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], [
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HAVE_SPC=no
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])
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])
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dnl *** swfdec ***
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dnl *** swfdec ***
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translit(dnm, m, l) AM_CONDITIONAL(USE_SWFDEC, true)
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translit(dnm, m, l) AM_CONDITIONAL(USE_SWFDEC, true)
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GST_CHECK_FEATURE(SWFDEC, [swfdec plug-in], swfdec, [
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GST_CHECK_FEATURE(SWFDEC, [swfdec plug-in], swfdec, [
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@ -765,6 +781,7 @@ AM_CONDITIONAL(USE_MUSICBRAINZ, false)
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AM_CONDITIONAL(USE_NEON, false)
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AM_CONDITIONAL(USE_NEON, false)
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AM_CONDITIONAL(USE_SDL, false)
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AM_CONDITIONAL(USE_SDL, false)
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AM_CONDITIONAL(USE_SOUNDTOUCH, false)
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AM_CONDITIONAL(USE_SOUNDTOUCH, false)
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AM_CONDITIONAL(USE_SPC, false)
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AM_CONDITIONAL(USE_SWFDEC, false)
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AM_CONDITIONAL(USE_SWFDEC, false)
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AM_CONDITIONAL(USE_THEORADEC, false)
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AM_CONDITIONAL(USE_THEORADEC, false)
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AM_CONDITIONAL(USE_XVID, false)
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AM_CONDITIONAL(USE_XVID, false)
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@ -860,6 +877,7 @@ ext/musicbrainz/Makefile
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ext/neon/Makefile
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ext/neon/Makefile
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ext/sdl/Makefile
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ext/sdl/Makefile
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ext/soundtouch/Makefile
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ext/soundtouch/Makefile
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ext/spc/Makefile
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ext/swfdec/Makefile
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ext/swfdec/Makefile
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ext/theora/Makefile
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ext/theora/Makefile
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ext/wavpack/Makefile
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ext/wavpack/Makefile
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@ -202,6 +202,12 @@ else
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SOUNDTOUCH_DIR=
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SOUNDTOUCH_DIR=
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endif
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endif
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if USE_SPC
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SDL_DIR=spc
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else
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SDL_DIR=
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endif
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if USE_SWFDEC
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if USE_SWFDEC
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SWFDEC_DIR=swfdec
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SWFDEC_DIR=swfdec
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else
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else
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@ -267,6 +273,7 @@ SUBDIRS=\
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$(SMOOTHWAVE_DIR) \
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$(SMOOTHWAVE_DIR) \
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$(SNDFILE_DIR) \
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$(SNDFILE_DIR) \
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$(SOUNDTOUCH_DIR) \
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$(SOUNDTOUCH_DIR) \
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$(SPC_DIR) \
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$(SWFDEC_DIR) \
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$(SWFDEC_DIR) \
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$(TARKIN_DIR) \
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$(TARKIN_DIR) \
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$(THEORA_DIR) \
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$(THEORA_DIR) \
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@ -291,8 +298,9 @@ DIST_SUBDIRS= \
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musicbrainz \
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musicbrainz \
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neon \
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neon \
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sdl \
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sdl \
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swfdec \
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soundtouch \
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soundtouch \
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spc \
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swfdec \
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theora \
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theora \
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wavpack \
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wavpack \
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xvid
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xvid
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9
ext/spc/Makefile.am
Normal file
9
ext/spc/Makefile.am
Normal file
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@ -0,0 +1,9 @@
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plugin_LTLIBRARIES = libgstspc.la
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libgstspc_la_SOURCES = gstspc.c
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libgstspc_la_CFLAGS = $(GST_CFLAGS) $(SPC_CFLAGS)
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libgstspc_la_LIBADD = $(GST_LIBS) $(SPC_LIBS)
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libgstspc_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
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noinst_HEADERS = gstspc.h
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346
ext/spc/gstspc.c
Normal file
346
ext/spc/gstspc.c
Normal file
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@ -0,0 +1,346 @@
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/* Copyright (C) 2004-2005 Michael Pyne <michael dot pyne at kdemail net>
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* Copyright (C) 2004-2006 Chris Lee <clee at kde org>
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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 "gstspc.h"
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#include <string.h>
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static const GstElementDetails gst_spc_dec_details =
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GST_ELEMENT_DETAILS ("OpenSPC SPC decoder",
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"Codec/Audio/Decoder",
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"Uses OpenSPC to emulate an SPC processor",
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"Chris Lee <clee@kde.org>");
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static GstStaticPadTemplate sink_factory =
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GST_STATIC_PAD_TEMPLATE ("sink", GST_PAD_SINK, GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("audio/x-spc"));
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static GstStaticPadTemplate src_factory =
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GST_STATIC_PAD_TEMPLATE ("src", GST_PAD_SRC, GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("audio/x-raw-int, "
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"endianness = (int) BYTE_ORDER, "
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"signed = (boolean) TRUE, "
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"width = (int) 16, "
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"depth = (int) 16, " "rate = (int) 32000, " "channels = (int) 2"));
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GST_BOILERPLATE (GstSpcDec, gst_spc_dec, GstElement, GST_TYPE_ELEMENT);
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static GstFlowReturn gst_spc_dec_chain (GstPad * pad, GstBuffer * buffer);
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static gboolean gst_spc_dec_sink_event (GstPad * pad, GstEvent * event);
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static gboolean gst_spc_dec_src_event (GstPad * pad, GstEvent * event);
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static gboolean gst_spc_dec_src_query (GstPad * pad, GstQuery * query);
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static GstStateChangeReturn gst_spc_dec_change_state (GstElement * element,
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GstStateChange transition);
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static void spc_play (GstPad * pad);
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static gboolean spc_setup (GstSpcDec * spc);
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static gboolean
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spc_negotiate (GstSpcDec * spc)
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{
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GstCaps *allowed, *caps;
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GstStructure *structure;
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gint width = 16, depth = 16;
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gboolean sign;
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int rate = 32000;
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int channels = 2;
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allowed = gst_pad_get_allowed_caps (spc->srcpad);
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if (!allowed) {
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GST_DEBUG_OBJECT (spc, "couldn't get allowed caps");
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return FALSE;
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}
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GST_DEBUG_OBJECT (spc, "allowed caps: %" GST_PTR_FORMAT, allowed);
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structure = gst_caps_get_structure (allowed, 0);
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gst_structure_get_int (structure, "width", &width);
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gst_structure_get_int (structure, "depth", &depth);
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if (width && depth && width != depth) {
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GST_DEBUG_OBJECT (spc, "width %d and depth %d are different", width, depth);
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gst_caps_unref (allowed);
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return FALSE;
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}
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gst_structure_get_boolean (structure, "signed", &sign);
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gst_structure_get_int (structure, "rate", &rate);
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gst_structure_get_int (structure, "channels", &channels);
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caps = gst_caps_new_simple ("audio/x-raw-int",
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"endianness", G_TYPE_INT, G_BYTE_ORDER,
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"signed", G_TYPE_BOOLEAN, TRUE,
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"width", G_TYPE_INT, width,
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"depth", G_TYPE_INT, depth,
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"rate", G_TYPE_INT, rate, "channels", G_TYPE_INT, channels, NULL);
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gst_pad_set_caps (spc->srcpad, caps);
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gst_caps_unref (caps);
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gst_caps_unref (allowed);
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return TRUE;
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}
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static void
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gst_spc_dec_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_set_details (element_class, &gst_spc_dec_details);
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&sink_factory));
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&src_factory));
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}
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static void
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gst_spc_dec_class_init (GstSpcDecClass * klass)
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{
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GstElementClass *element_class = (GstElementClass *) klass;
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element_class->change_state = GST_DEBUG_FUNCPTR (gst_spc_dec_change_state);
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}
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static void
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gst_spc_dec_init (GstSpcDec * spc, GstSpcDecClass * klass)
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{
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spc->sinkpad =
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gst_pad_new_from_template (gst_static_pad_template_get (&sink_factory),
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"sink");
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gst_pad_set_query_function (spc->sinkpad, NULL);
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gst_pad_set_event_function (spc->sinkpad, gst_spc_dec_sink_event);
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gst_pad_set_chain_function (spc->sinkpad, gst_spc_dec_chain);
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gst_element_add_pad (GST_ELEMENT (spc), spc->sinkpad);
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spc->srcpad =
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gst_pad_new_from_template (gst_static_pad_template_get (&src_factory),
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"src");
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gst_pad_set_event_function (spc->srcpad, gst_spc_dec_src_event);
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gst_pad_set_query_function (spc->srcpad, gst_spc_dec_src_query);
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gst_pad_use_fixed_caps (spc->srcpad);
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gst_element_add_pad (GST_ELEMENT (spc), spc->srcpad);
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spc->buf = NULL;
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spc->initialized = FALSE;
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}
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static GstFlowReturn
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gst_spc_dec_chain (GstPad * pad, GstBuffer * buffer)
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{
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GstSpcDec *spc = GST_SPC_DEC (gst_pad_get_parent (pad));
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if (spc->buf) {
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spc->buf = gst_buffer_join (spc->buf, buffer);
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} else {
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spc->buf = buffer;
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}
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gst_object_unref (spc);
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return GST_FLOW_OK;
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}
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static gboolean
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gst_spc_dec_sink_event (GstPad * pad, GstEvent * event)
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{
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GstSpcDec *spc = GST_SPC_DEC (gst_pad_get_parent (pad));
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gboolean result;
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switch (GST_EVENT_TYPE (event)) {
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case GST_EVENT_EOS:
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result = spc_setup (spc);
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break;
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case GST_EVENT_NEWSEGMENT:
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result = FALSE;
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break;
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default:
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result = FALSE;
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break;
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}
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gst_event_unref (event);
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gst_object_unref (spc);
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return result;
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}
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static gboolean
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gst_spc_dec_src_event (GstPad * pad, GstEvent * event)
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{
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GstSpcDec *spc = GST_SPC_DEC (gst_pad_get_parent (pad));
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gboolean result = FALSE;
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switch (GST_EVENT_TYPE (event)) {
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default:
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break;
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}
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gst_event_unref (event);
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gst_object_unref (spc);
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return result;
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}
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static gboolean
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gst_spc_dec_src_query (GstPad * pad, GstQuery * query)
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{
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GstSpcDec *spc = GST_SPC_DEC (gst_pad_get_parent (pad));
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gboolean result = TRUE;
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switch (GST_QUERY_TYPE (query)) {
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default:
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result = gst_pad_query_default (pad, query);
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break;
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}
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gst_object_unref (spc);
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return result;
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}
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static void
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spc_play (GstPad * pad)
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{
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||||||
|
GstSpcDec *spc = GST_SPC_DEC (gst_pad_get_parent (pad));
|
||||||
|
GstFlowReturn flow_return;
|
||||||
|
GstBuffer *out;
|
||||||
|
|
||||||
|
out = gst_buffer_new_and_alloc (1600 * 4);
|
||||||
|
gst_buffer_set_caps (out, GST_PAD_CAPS (pad));
|
||||||
|
|
||||||
|
OSPC_Run (-1, (short *) GST_BUFFER_DATA (out), 1600 * 4);
|
||||||
|
|
||||||
|
if ((flow_return = gst_pad_push (spc->srcpad, out)) != GST_FLOW_OK) {
|
||||||
|
const gchar *reason = gst_flow_get_name (flow_return);
|
||||||
|
|
||||||
|
GST_DEBUG_OBJECT (spc, "pausing task, reason %s", reason);
|
||||||
|
|
||||||
|
gst_pad_pause_task (pad);
|
||||||
|
|
||||||
|
if (GST_FLOW_IS_FATAL (flow_return) || flow_return == GST_FLOW_NOT_LINKED) {
|
||||||
|
gst_pad_push_event (pad, gst_event_new_eos ());
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
gst_object_unref (spc);
|
||||||
|
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
static gboolean
|
||||||
|
spc_setup (GstSpcDec * spc)
|
||||||
|
{
|
||||||
|
guchar *data = GST_BUFFER_DATA (spc->buf);
|
||||||
|
gboolean text_format = FALSE;
|
||||||
|
|
||||||
|
if (!spc_negotiate (spc)) {
|
||||||
|
return FALSE;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (data[0x23] == 26) {
|
||||||
|
GstEvent *tagevent;
|
||||||
|
GstTagList *taglist = gst_tag_list_new ();
|
||||||
|
|
||||||
|
if (data[0xA0] == '/')
|
||||||
|
text_format = TRUE;
|
||||||
|
|
||||||
|
gchar spctitle[0x21];
|
||||||
|
gchar spcartist[0x21];
|
||||||
|
gchar spcgame[0x21];
|
||||||
|
|
||||||
|
strncpy (spctitle, (gchar *) & data[0x2E], 32);
|
||||||
|
strncpy (spcartist, (gchar *) & data[(text_format ? 0xB1 : 0xB0)], 32);
|
||||||
|
strncpy (spcgame, (gchar *) & data[0x4E], 32);
|
||||||
|
|
||||||
|
spctitle[0x20] = '\0';
|
||||||
|
spcartist[0x20] = '\0';
|
||||||
|
spcgame[0x20] = '\0';
|
||||||
|
|
||||||
|
gst_tag_list_add (taglist, GST_TAG_MERGE_APPEND,
|
||||||
|
GST_TAG_TITLE, spctitle,
|
||||||
|
GST_TAG_ARTIST, spcartist, GST_TAG_ALBUM, spcgame, NULL);
|
||||||
|
|
||||||
|
tagevent = gst_event_new_tag (taglist);
|
||||||
|
gst_element_found_tags_for_pad (GST_ELEMENT (spc), spc->srcpad, taglist);
|
||||||
|
}
|
||||||
|
|
||||||
|
if (OSPC_Init (GST_BUFFER_DATA (spc->buf), GST_BUFFER_SIZE (spc->buf)) != 0) {
|
||||||
|
return FALSE;
|
||||||
|
}
|
||||||
|
|
||||||
|
gst_pad_push_event (spc->srcpad, gst_event_new_new_segment (FALSE, 1.0,
|
||||||
|
GST_FORMAT_TIME, 0, -1, 0));
|
||||||
|
|
||||||
|
gst_pad_start_task (spc->srcpad, (GstTaskFunction) spc_play, spc->srcpad);
|
||||||
|
|
||||||
|
gst_buffer_unref (spc->buf);
|
||||||
|
spc->buf = NULL;
|
||||||
|
spc->initialized = TRUE;
|
||||||
|
return spc->initialized;
|
||||||
|
}
|
||||||
|
|
||||||
|
static GstStateChangeReturn
|
||||||
|
gst_spc_dec_change_state (GstElement * element, GstStateChange transition)
|
||||||
|
{
|
||||||
|
GstStateChangeReturn result;
|
||||||
|
GstSpcDec *dec;
|
||||||
|
|
||||||
|
dec = GST_SPC_DEC (element);
|
||||||
|
|
||||||
|
switch (transition) {
|
||||||
|
case GST_STATE_CHANGE_READY_TO_PAUSED:
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
result = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
|
||||||
|
if (result == GST_STATE_CHANGE_FAILURE)
|
||||||
|
return result;
|
||||||
|
|
||||||
|
switch (transition) {
|
||||||
|
case GST_STATE_CHANGE_PAUSED_TO_READY:
|
||||||
|
if (dec->buf) {
|
||||||
|
gst_buffer_unref (dec->buf);
|
||||||
|
dec->buf = NULL;
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
return result;
|
||||||
|
}
|
||||||
|
|
||||||
|
static gboolean
|
||||||
|
plugin_init (GstPlugin * plugin)
|
||||||
|
{
|
||||||
|
return gst_element_register (plugin, "spcdec", GST_RANK_PRIMARY,
|
||||||
|
GST_TYPE_SPC_DEC);
|
||||||
|
}
|
||||||
|
|
||||||
|
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
|
||||||
|
GST_VERSION_MINOR,
|
||||||
|
"spcdec",
|
||||||
|
"OpenSPC Audio Decoder",
|
||||||
|
plugin_init, VERSION, "LGPL", GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN);
|
||||||
61
ext/spc/gstspc.h
Normal file
61
ext/spc/gstspc.h
Normal file
|
|
@ -0,0 +1,61 @@
|
||||||
|
/* Copyright (C) 2004-2005 Michael Pyne <michael dot pyne at kdemail net>
|
||||||
|
* Copyright (C) 2004-2006 Chris Lee <clee at kde org>
|
||||||
|
*
|
||||||
|
* 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_SPC_DEC_H__
|
||||||
|
#define __GST_SPC_DEC_H__
|
||||||
|
|
||||||
|
#include <gst/gst.h>
|
||||||
|
|
||||||
|
#include <openspc.h>
|
||||||
|
|
||||||
|
G_BEGIN_DECLS
|
||||||
|
|
||||||
|
#define GST_TYPE_SPC_DEC \
|
||||||
|
(gst_spc_dec_get_type())
|
||||||
|
#define GST_SPC_DEC(obj) \
|
||||||
|
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_SPC_DEC,GstSpcDec))
|
||||||
|
#define GST_SPC_DEC_CLASS(klass) \
|
||||||
|
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_SPC_DEC,GstSpcDecClass))
|
||||||
|
#define GST_IS_SPC_DEC(obj) \
|
||||||
|
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_SPC_DEC))
|
||||||
|
#define GST_IS_SPC_DEC_CLASS(klass) \
|
||||||
|
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_SPC_DEC))
|
||||||
|
|
||||||
|
typedef struct _GstSpcDec GstSpcDec;
|
||||||
|
typedef struct _GstSpcDecClass GstSpcDecClass;
|
||||||
|
|
||||||
|
struct _GstSpcDec
|
||||||
|
{
|
||||||
|
GstElement element;
|
||||||
|
|
||||||
|
GstPad *sinkpad;
|
||||||
|
GstPad *srcpad;
|
||||||
|
|
||||||
|
GstBuffer *buf;
|
||||||
|
gboolean initialized;
|
||||||
|
};
|
||||||
|
|
||||||
|
struct _GstSpcDecClass
|
||||||
|
{
|
||||||
|
GstElementClass parent_class;
|
||||||
|
};
|
||||||
|
|
||||||
|
G_END_DECLS
|
||||||
|
|
||||||
|
#endif /* __GST_SPC_DEC_H__ */
|
||||||
Loading…
Reference in a new issue