From: Rob Clark Date: Thu, 25 Nov 2010 00:15:28 +0000 (-0600) Subject: initial commit X-Git-Tag: glsdk-6_00_00_07~248 X-Git-Url: https://git.ti.com/gitweb?p=glsdk%2Fgst-plugin-ducati.git;a=commitdiff_plain;h=ce6fa3d9459189fe8bb86f4b82cad328d5393474 initial commit --- ce6fa3d9459189fe8bb86f4b82cad328d5393474 diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..a8f06d8 --- /dev/null +++ b/.gitignore @@ -0,0 +1,23 @@ +aclocal.m4 +autom4te.cache +autoregen.sh +config.* +configure +autoregen.sh +libtool +INSTALL +ABOUT-NLS +Makefile +Makefile.in +depcomp +install-sh +ltmain.sh +missing +stamp-* +*~ +*.lo +*.la +.deps +.libs +po +compile diff --git a/.gitmodules b/.gitmodules new file mode 100644 index 0000000..a6b1eda --- /dev/null +++ b/.gitmodules @@ -0,0 +1,3 @@ +[submodule "common"] + path = common + url = git://anongit.freedesktop.org/gstreamer/common diff --git a/AUTHORS b/AUTHORS new file mode 100644 index 0000000..418e821 --- /dev/null +++ b/AUTHORS @@ -0,0 +1 @@ +Rob Clark diff --git a/COPYING b/COPYING new file mode 100644 index 0000000..5ab7695 --- /dev/null +++ b/COPYING @@ -0,0 +1,504 @@ + GNU LESSER GENERAL PUBLIC LICENSE + Version 2.1, February 1999 + + Copyright (C) 1991, 1999 Free Software Foundation, Inc. + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + +[This is the first released version of the Lesser GPL. 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Uses the libdce (distributed codec-engine) library to +use the codec on ducati. + +WHY IS IT? +---------- + +An OpenMAX-like API is provided by TI along with modified gst-openmax +plugins. So gst-ducati is not needed in that sense. But libdce and this +was an interesting project for me to try on my free time. + +TODO +---- ++ flush (for seek/eos) ++ mpeg4, vc1, vp6, vp7 ++ fallbacks for sink elements not providing TILER buffers to decode into ++ search the code for XXX or TODO ;-) + + diff --git a/autogen.sh b/autogen.sh new file mode 100755 index 0000000..93f924a --- /dev/null +++ b/autogen.sh @@ -0,0 +1,121 @@ +#!/bin/sh +# Run this to generate all the initial makefiles, etc. + +DIE=0 +package=gst-ducati +srcfile=src/gstducati.c + +# Make sure we have common +if test ! -f common/gst-autogen.sh; +then + echo "+ Setting up common submodule" + git submodule init +fi +git submodule update + +# source helper functions +if test ! -f common/gst-autogen.sh; +then + echo There is something wrong with your source tree. + echo You are missing common/gst-autogen.sh + exit 1 +fi +. common/gst-autogen.sh + +# install pre-commit hook for doing clean commits +if test ! \( -x .git/hooks/pre-commit -a -L .git/hooks/pre-commit \); +then + rm -f .git/hooks/pre-commit + ln -s ../../common/hooks/pre-commit.hook .git/hooks/pre-commit +fi + +touch ChangeLog + +CONFIGURE_DEF_OPT='--enable-maintainer-mode' + +autogen_options $@ + +printf "+ check for build tools" +if test ! -z "$NOCHECK"; then echo " skipped"; else echo; fi +version_check "autoconf" "$AUTOCONF autoconf autoconf270 autoconf269 autoconf268 autoconf267 autoconf266 autoconf265 autoconf264 autoconf263 autoconf262 autoconf261 autoconf260" \ + "ftp://ftp.gnu.org/pub/gnu/autoconf/" 2 60 || DIE=1 +version_check "automake" "$AUTOMAKE automake automake-1.11 automake-1.10" \ + "ftp://ftp.gnu.org/pub/gnu/automake/" 1 10 || DIE=1 +version_check "autopoint" "autopoint" \ + "ftp://ftp.gnu.org/pub/gnu/gettext/" 0 17 || DIE=1 +version_check "libtoolize" "$LIBTOOLIZE libtoolize glibtoolize" \ + "ftp://ftp.gnu.org/pub/gnu/libtool/" 1 5 0 || DIE=1 +version_check "pkg-config" "" \ + "http://www.freedesktop.org/software/pkgconfig" 0 8 0 || DIE=1 + +die_check $DIE + +aclocal_check || DIE=1 +autoheader_check || DIE=1 + +die_check $DIE + +# if no arguments specified then this will be printed +if test -z "$*"; then + echo "+ checking for autogen.sh options" + echo " This autogen script will automatically run ./configure as:" + echo " ./configure $CONFIGURE_DEF_OPT" + echo " To pass any additional options, please specify them on the $0" + echo " command line." +fi + +toplevel_check $srcfile + +# autopoint +# older autopoint (< 0.12) has a tendency to complain about mkinstalldirs +if test -x mkinstalldirs; then rm mkinstalldirs; fi +# first remove patch if necessary, then run autopoint, then reapply +if test -f po/Makefile.in.in; +then + patch -p0 -R < common/gettext.patch +fi +tool_run "$autopoint --force" +patch -p0 < common/gettext.patch + +tool_run "$libtoolize" "--copy --force" +tool_run "$aclocal" "-I m4 -I common/m4 $ACLOCAL_FLAGS" +tool_run "$autoheader" + +# touch the stamp-h.in build stamp so we don't re-run autoheader in maintainer mode -- wingo +echo timestamp > stamp-h.in 2> /dev/null + +tool_run "$autoconf" +tool_run "$automake" "-a -c" + +# if enable exists, add an -enable option for each of the lines in that file +if test -f enable; then + for a in `cat enable`; do + CONFIGURE_FILE_OPT="--enable-$a" + done +fi + +# if disable exists, add an -disable option for each of the lines in that file +if test -f disable; then + for a in `cat disable`; do + CONFIGURE_FILE_OPT="$CONFIGURE_FILE_OPT --disable-$a" + done +fi + +test -n "$NOCONFIGURE" && { + echo "+ skipping configure stage for package $package, as requested." + echo "+ autogen.sh done." + exit 0 +} + +echo "+ running configure ... " +test ! -z "$CONFIGURE_DEF_OPT" && echo " ./configure default flags: $CONFIGURE_DEF_OPT" +test ! -z "$CONFIGURE_EXT_OPT" && echo " ./configure external flags: $CONFIGURE_EXT_OPT" +test ! -z "$CONFIGURE_FILE_OPT" && echo " ./configure enable/disable flags: $CONFIGURE_FILE_OPT" +echo + +./configure $CONFIGURE_DEF_OPT $CONFIGURE_EXT_OPT $CONFIGURE_FILE_OPT || { + echo " configure failed" + exit 1 +} + +echo "Now type 'make' to compile $package." diff --git a/common b/common new file mode 160000 index 0000000..011bcc8 --- /dev/null +++ b/common @@ -0,0 +1 @@ +Subproject commit 011bcc8a0fc7f798ee874a7ba899123fb2470e22 diff --git a/configure.ac b/configure.ac new file mode 100644 index 0000000..c70edfe --- /dev/null +++ b/configure.ac @@ -0,0 +1,137 @@ +dnl required version of autoconf +AC_PREREQ([2.53]) + +dnl TODO: fill in your package name and package version here +AC_INIT([gst-ducati],[0.10.0]) + +dnl required versions of gstreamer and plugins-base +GST_MAJORMINOR=0.10 +GST_REQUIRED=0.10.30 + +AC_CONFIG_SRCDIR([src/gstducati.c]) +AC_CONFIG_HEADERS([config.h]) + +dnl required version of automake +AM_INIT_AUTOMAKE([1.10]) + +dnl enable mainainer mode by default +AM_MAINTAINER_MODE + +dnl sets host_* variables +AC_CANONICAL_HOST + +dnl use pretty build output with automake >= 1.11 +m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES([yes])], + [AM_DEFAULT_VERBOSITY=1 + AC_SUBST(AM_DEFAULT_VERBOSITY)]) + +dnl check for tools +AC_PROG_CC +AM_PROG_CC_C_O +AC_PROG_INSTALL +AC_PROG_LIBTOOL + +PKG_CHECK_MODULES([CHECK], [check], HAVE_CHECK=yes, HAVE_CHECK=no) + +dnl Keep correct libtool macros in-tree. +AC_CONFIG_MACRO_DIR([m4]) + +dnl initialize GStreamer macros +AG_GST_INIT +dnl define an ERROR_CFLAGS Makefile variable +AG_GST_SET_ERROR_CFLAGS($GST_CVS) + +dnl set up gettext +dnl the version check needs to stay here because autopoint greps for it +AM_GNU_GETTEXT_VERSION([0.17]) +AM_GNU_GETTEXT([external]) +AG_GST_GETTEXT([gst-ducati-$GST_MAJORMINOR]) + +dnl add GStreamer arguments +AG_GST_ARG_DEBUG +AG_GST_ARG_PROFILING +AG_GST_ARG_VALGRIND +AG_GST_ARG_GCOV + +AG_GST_ARG_WITH_PKG_CONFIG_PATH +AG_GST_ARG_WITH_PACKAGE_NAME +AG_GST_ARG_WITH_PACKAGE_ORIGIN + +dnl required version of libtool +LT_PREREQ([2.2.6]) +LT_INIT + +dnl give error and exit if we don't have pkgconfig +AC_CHECK_PROG(HAVE_PKGCONFIG, pkg-config, [ ], [ + AC_MSG_ERROR([You need to have pkg-config installed!]) +]) + +dnl Check for tiler memmgr +PKG_CHECK_MODULES([MEMMGR], [libmemmgr]) + +dnl Check for required codec-engine library.. +PKG_CHECK_MODULES(LIBDCE, [libdce >= 1.0.0]) + +dnl Check for the required version of GStreamer core (and gst-plugins-base) +dnl This will export GST_CFLAGS and GST_LIBS variables for use in Makefile.am +PKG_CHECK_MODULES(GST, [ + gstreamer-0.10 >= $GST_REQUIRED + gstreamer-base-0.10 >= $GST_REQUIRED +], [ + AC_SUBST(GST_CFLAGS) + AC_SUBST(GST_LIBS) +], [ + AC_MSG_ERROR([ + You need to install or upgrade the GStreamer development + packages on your system. On debian-based systems these are + libgstreamer0.10-dev and libgstreamer-plugins-base0.10-dev. + on RPM-based systems gstreamer0.10-devel, libgstreamer0.10-devel + or similar. The minimum version required is $GST_REQUIRED. + ]) +]) + +dnl set license and copyright notice +GST_LICENSE="LGPL" +AC_DEFINE_UNQUOTED(GST_LICENSE, "$GST_LICENSE", [GStreamer license]) +AC_SUBST(GST_LICENSE) + +dnl set GStreamer plug-in dir +AG_GST_SET_PLUGINDIR + +dnl GST_OPTION_CFLAGS +if test "x$USE_DEBUG" = xyes; then + PROFILE_CFLAGS="-g" +fi +AC_SUBST(PROFILE_CFLAGS) + +DEPRECATED_CFLAGS="-DGST_DISABLE_DEPRECATED" +AC_SUBST(DEPRECATED_CFLAGS) + +dnl every flag in GST_OPTION_CFLAGS can be overridden at make time +GST_OPTION_CFLAGS="\$(ERROR_CFLAGS) \$(DEBUG_CFLAGS) \$(PROFILE_CFLAGS) \$(GCOV_CFLAGS) \$(OPT_CFLAGS) \$(DEPRECATED_CFLAGS)" +AC_SUBST(GST_OPTION_CFLAGS) + +dnl our libraries need to be versioned correctly +AC_SUBST(GST_LT_LDFLAGS) + +dnl FIXME: do we want to rename to GST_ALL_* ? +dnl prefer internal headers to already installed ones +dnl also add builddir include for enumtypes and marshal +dnl add GST_OPTION_CFLAGS, but overridable +GST_CFLAGS="-I\$(top_srcdir)/gst-libs -I\$(top_builddir)/gst-libs $GST_CFLAGS \$(GST_OPTION_CFLAGS)" +AC_SUBST(GST_CFLAGS) +AC_SUBST(GST_LIBS) + +dnl LDFLAGS really should only contain flags, not libs - they get added before +dnl whatevertarget_LIBS and -L flags here affect the rest of the linking +GST_ALL_LDFLAGS="" +AC_SUBST(GST_ALL_LDFLAGS) + +dnl this really should only contain flags, not libs - they get added before +dnl whatevertarget_LIBS and -L flags here affect the rest of the linking +GST_PLUGIN_LDFLAGS="-module -avoid-version -export-symbols-regex '^[_]*gst_plugin_desc\$\$' $GST_ALL_LDFLAGS" +AC_SUBST(GST_PLUGIN_LDFLAGS) + +AC_CONFIG_FILES([Makefile src/Makefile]) +AC_OUTPUT + diff --git a/src/Makefile.am b/src/Makefile.am new file mode 100644 index 0000000..2ab0022 --- /dev/null +++ b/src/Makefile.am @@ -0,0 +1,20 @@ +plugin_LTLIBRARIES = libgstducati.la + +# headers we need but don't want installed +noinst_HEADERS = \ + gstducatih264dec.h \ + gstducatividdec.h \ + gstducati.h + +# sources used to compile this plug-in +libgstducati_la_SOURCES = \ + gstducatih264dec.c \ + gstducatividdec.c \ + gstducati.c \ + $(noinst_HEADERS) + +# compiler and linker flags used to compile this plugin, set in configure.ac +libgstducati_la_CFLAGS = $(GST_CFLAGS) $(MEMMGR_CFLAGS) $(LIBDCE_CFLAGS) +libgstducati_la_LIBADD = $(GST_LIBS) $(MEMMGR_LIBS) $(LIBDCE_LIBS) +libgstducati_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS) $(GST_ALL_LDFLAGS) +libgstducati_la_LIBTOOLFLAGS = --tag=disable-static diff --git a/src/gstducati.c b/src/gstducati.c new file mode 100644 index 0000000..66d139b --- /dev/null +++ b/src/gstducati.c @@ -0,0 +1,102 @@ +/* + * GStreamer + * Copyright (c) 2010, Texas Instruments Incorporated + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation + * version 2.1 of the License. + * + * 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifdef HAVE_CONFIG_H +# include +#endif + +#include + +#include "gstducatih264dec.h" + +GST_DEBUG_CATEGORY (gst_ducati_debug); + +static gboolean +plugin_init (GstPlugin * plugin) +{ + GST_DEBUG_CATEGORY_INIT (gst_ducati_debug, "ducati", 0, "ducati"); + + return gst_element_register (plugin, "ducatih264dec", GST_RANK_PRIMARY, + GST_TYPE_DUCATIH264DEC); +} + +void * +gst_ducati_alloc_1d (gint sz) +{ + MemAllocBlock block = { + .pixelFormat = PIXEL_FMT_PAGE, + .dim.len = sz, + }; + return MemMgr_Alloc (&block, 1); +} + +void * +gst_ducati_alloc_2d (gint width, gint height) +{ + MemAllocBlock block[] = { { + .pixelFormat = PIXEL_FMT_8BIT, + .dim = {.area = { + .width = width, + .height = height, + }} + }, { + .pixelFormat = PIXEL_FMT_16BIT, + .dim = {.area = { + .width = width, + .height = height / 2, + }} + } + }; + return MemMgr_Alloc (block, 2); +} + +XDAS_Int16 +gst_ducati_get_mem_type (SSPtr paddr) +{ + if ((0x60000000 <= paddr) && (paddr < 0x68000000)) + return XDM_MEMTYPE_TILED8; + if ((0x68000000 <= paddr) && (paddr < 0x70000000)) + return XDM_MEMTYPE_TILED16; + if ((0x70000000 <= paddr) && (paddr < 0x78000000)) + return XDM_MEMTYPE_TILED32; + if ((0x78000000 <= paddr) && (paddr < 0x80000000)) + return XDM_MEMTYPE_RAW; + return -1; +} + +/* PACKAGE: this is usually set by autotools depending on some _INIT macro + * in configure.ac and then written into and defined in config.h, but we can + * just set it ourselves here in case someone doesn't use autotools to + * compile this code. GST_PLUGIN_DEFINE needs PACKAGE to be defined. + */ +#ifndef PACKAGE +# define PACKAGE "ducati" +#endif + +GST_PLUGIN_DEFINE ( + GST_VERSION_MAJOR, + GST_VERSION_MINOR, + "ducati", + "Hardware accellerated codecs for OMAP4", + plugin_init, + VERSION, + "LGPL", + "GStreamer", + "http://gstreamer.net/" +) diff --git a/src/gstducati.h b/src/gstducati.h new file mode 100644 index 0000000..9897eab --- /dev/null +++ b/src/gstducati.h @@ -0,0 +1,47 @@ +/* + * GStreamer + * Copyright (c) 2010, Texas Instruments Incorporated + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation + * version 2.1 of the License. + * + * 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef __GST_DUCATI_H__ +#define __GST_DUCATI_H__ + +#include +#include + +#include + +#include +#include +#include +#include +#include +#include +#include + +G_BEGIN_DECLS + +GST_DEBUG_CATEGORY_EXTERN (gst_ducati_debug); +#define GST_CAT_DEFAULT gst_ducati_debug + +void * gst_ducati_alloc_1d (gint sz); +void * gst_ducati_alloc_2d (gint width, gint height); +XDAS_Int16 gst_ducati_get_mem_type (SSPtr paddr); + +G_END_DECLS + +#endif /* __GST_DUCATI_H__ */ diff --git a/src/gstducatih264dec.c b/src/gstducatih264dec.c new file mode 100644 index 0000000..324826c --- /dev/null +++ b/src/gstducatih264dec.c @@ -0,0 +1,126 @@ +/* + * GStreamer + * Copyright (c) 2010, Texas Instruments Incorporated + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation + * version 2.1 of the License. + * + * 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/** + * SECTION:element-ducatih264dec + * + * FIXME:Describe ducatih264dec here. + * + * + * Example launch line + * |[ + * gst-launch -v -m fakesrc ! ducatih264dec ! fakesink silent=TRUE + * ]| + * + */ + +#ifdef HAVE_CONFIG_H +# include +#endif + +#include +#include + +#include "gstducatih264dec.h" + + +#define PADX 32 +#define PADY 24 + + +GST_BOILERPLATE (GstDucatiH264Dec, gst_ducati_h264dec, GstDucatiVidDec, + GST_TYPE_DUCATIVIDDEC); + +static GstStaticPadTemplate sink_factory = GST_STATIC_PAD_TEMPLATE ("sink", + GST_PAD_SINK, + GST_PAD_ALWAYS, + GST_STATIC_CAPS ("video/x-h264, " +// "alignment = au, " /* only entire frames */ +// "stream-format = byte-stream, " /* only byte-stream */ + "width = (int)[ 16, 2048 ], " + "height = (int)[ 16, 2048 ], " + "framerate = (fraction)[ 0, max ];") + ); + +/* GstDucatiVideDec vmethod implementations */ + +static void +gst_ducati_h264dec_update_buffer_size (GstDucatiVidDec * self) +{ + gint w = self->width; + gint h = self->height; + + /* calculate output buffer parameters: */ + self->padded_width = (w + (2 * PADX) + 127) & 0xFFFFFF80; + self->padded_height = h + 4 * PADY; + self->min_buffers = MIN (16, 32768 / ((w / 16) * (h / 16))) + 3; +} + +static gboolean +gst_ducati_h264dec_allocate_params (GstDucatiVidDec * self, gint params_sz, + gint dynparams_sz, gint status_sz, gint inargs_sz, gint outargs_sz) +{ + gboolean ret = parent_class->allocate_params (self, + sizeof (IH264VDEC_Params), sizeof (IH264VDEC_DynamicParams), + sizeof (IH264VDEC_Status), sizeof (IH264VDEC_InArgs), + sizeof (IH264VDEC_OutArgs)); + + if (ret) { + IH264VDEC_Params *params = (IH264VDEC_Params *) self->params; + self->params->displayDelay = IVIDDEC3_DISPLAY_DELAY_AUTO; + params->maxNumRefFrames = IH264VDEC_NUM_REFFRAMES_AUTO; + params->pConstantMemory = 0; + } + + return ret; +} + +/* GObject vmethod implementations */ + +static void +gst_ducati_h264dec_base_init (gpointer gclass) +{ + GstElementClass *element_class = GST_ELEMENT_CLASS (gclass); + + gst_element_class_set_details_simple (element_class, + "DucatiH264Dec", + "Codec/Decoder/Video", + "Decodes video in H.264/AVC format with ducati", + "Rob Clark "); + + gst_element_class_add_pad_template (element_class, + gst_static_pad_template_get (&sink_factory)); +} + +static void +gst_ducati_h264dec_class_init (GstDucatiH264DecClass * klass) +{ + GstDucatiVidDecClass *bclass = GST_DUCATIVIDDEC_CLASS (klass); + bclass->codec_name = "ivahd_h264dec"; + bclass->update_buffer_size = + GST_DEBUG_FUNCPTR (gst_ducati_h264dec_update_buffer_size); + bclass->allocate_params = + GST_DEBUG_FUNCPTR (gst_ducati_h264dec_allocate_params); +} + +static void +gst_ducati_h264dec_init (GstDucatiH264Dec * self, + GstDucatiH264DecClass * gclass) +{ +} diff --git a/src/gstducatih264dec.h b/src/gstducatih264dec.h new file mode 100644 index 0000000..ce0e636 --- /dev/null +++ b/src/gstducatih264dec.h @@ -0,0 +1,55 @@ +/* + * GStreamer + * Copyright (c) 2010, Texas Instruments Incorporated + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation + * version 2.1 of the License. + * + * 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef __GST_DUCATIH264DEC_H__ +#define __GST_DUCATIH264DEC_H__ + +#include + +#include "gstducatividdec.h" + +#include + + +G_BEGIN_DECLS + +#define GST_TYPE_DUCATIH264DEC (gst_ducati_h264dec_get_type()) +#define GST_DUCATIH264DEC(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_DUCATIH264DEC, GstDucatiH264Dec)) +#define GST_DUCATIH264DEC_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_DUCATIH264DEC, GstDucatiH264DecClass)) +#define GST_IS_DUCATIH264DEC(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_DUCATIH264DEC)) +#define GST_IS_DUCATIH264DEC_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_DUCATIH264DEC)) + +typedef struct _GstDucatiH264Dec GstDucatiH264Dec; +typedef struct _GstDucatiH264DecClass GstDucatiH264DecClass; + +struct _GstDucatiH264Dec +{ + GstDucatiVidDec parent; +}; + +struct _GstDucatiH264DecClass +{ + GstDucatiVidDecClass parent_class; +}; + +GType gst_ducati_h264dec_get_type (void); + +G_END_DECLS + +#endif /* __GST_DUCATIH264DEC_H__ */ diff --git a/src/gstducatividdec.c b/src/gstducatividdec.c new file mode 100644 index 0000000..cac3c27 --- /dev/null +++ b/src/gstducatividdec.c @@ -0,0 +1,658 @@ +/* + * GStreamer + * Copyright (c) 2010, Texas Instruments Incorporated + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation + * version 2.1 of the License. + * + * 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifdef HAVE_CONFIG_H +# include +#endif + +#include +#include + +#include "gstducatividdec.h" + +GST_BOILERPLATE (GstDucatiVidDec, gst_ducati_viddec, GstElement, + GST_TYPE_ELEMENT); + +static GstStaticPadTemplate src_factory = GST_STATIC_PAD_TEMPLATE ("src", + GST_PAD_SRC, + GST_PAD_ALWAYS, + GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV_STRIDED ("NV12", "[ 0, max ]")) + ); + +/* helper functions */ + +static void +engine_close (GstDucatiVidDec * self) +{ + if (self->engine) { + Engine_close (self->engine); + self->engine = NULL; + } + + if (self->params) { + dce_free (self->params); + self->params = NULL; + } + + if (self->dynParams) { + dce_free (self->dynParams); + self->dynParams = NULL; + } + + if (self->status) { + dce_free (self->status); + self->status = NULL; + } + + if (self->inBufs) { + dce_free (self->inBufs); + self->inBufs = NULL; + } + + if (self->outBufs) { + dce_free (self->outBufs); + self->outBufs = NULL; + } + + if (self->inArgs) { + dce_free (self->inArgs); + self->inArgs = NULL; + } + + if (self->outArgs) { + dce_free (self->outArgs); + self->outArgs = NULL; + } +} + +static gboolean +engine_open (GstDucatiVidDec * self) +{ + gboolean ret; + + if (G_UNLIKELY (self->engine)) { + return TRUE; + } + + GST_DEBUG_OBJECT (self, "opening engine"); + + self->engine = Engine_open ("ivahd_vidsvr", NULL, NULL); + if (G_UNLIKELY (!self->engine)) { + GST_ERROR_OBJECT (self, "could not create engine"); + return FALSE; + } + + ret = GST_DUCATIVIDDEC_GET_CLASS (self)->allocate_params (self, + sizeof (IVIDDEC3_Params), sizeof (IVIDDEC3_DynamicParams), + sizeof (IVIDDEC3_Status), sizeof (IVIDDEC3_InArgs), + sizeof (IVIDDEC3_OutArgs)); + + return ret; +} + +static void +codec_delete (GstDucatiVidDec * self) +{ + if (self->codec) { + //XXX this crashes ducati: + //VIDDEC3_delete(self->codec); + self->codec = NULL; + } + + if (self->input) { + MemMgr_Free (self->input); + self->input = NULL; + } +} + +static gboolean +codec_create (GstDucatiVidDec * self) +{ + gint err; + const gchar *codec_name; + + codec_delete (self); + + if (G_UNLIKELY (!self->engine)) { + GST_ERROR_OBJECT (self, "no engine"); + return FALSE; + } + + /* these need to be set before VIDDEC3_create */ + self->params->maxWidth = (self->width + 15) & ~0xf; /* round up to MB */ + self->params->maxHeight = (self->height + 15) & ~0xf; /* round up to MB */ + + codec_name = GST_DUCATIVIDDEC_GET_CLASS (self)->codec_name; + + /* create codec: */ + GST_DEBUG_OBJECT (self, "creating codec: %s", codec_name); + self->codec = VIDDEC3_create (self->engine, (char *)codec_name, self->params); + + if (!self->codec) { + return FALSE; + } + + err = VIDDEC3_control(self->codec, XDM_SETPARAMS, self->dynParams, self->status); + if (err) { + GST_ERROR_OBJECT (self, "failed XDM_SETPARAMS"); + return FALSE; + } + +#if 0 + /* not entirely sure why we need to call this here.. just copying omx.. */ + err = VIDDEC3_control(self->codec, XDM_GETBUFINFO, self->dynParams, self->status); + if (err) { + GST_ERROR_OBJECT (self, "failed XDM_GETBUFINFO"); + return FALSE; + } +#endif + + /* allocate input buffer and initialize inBufs: */ + self->inBufs->numBufs = 1; + self->input = gst_ducati_alloc_1d (self->width * self->height); + self->inBufs->descs[0].buf = (XDAS_Int8 *) TilerMem_VirtToPhys (self->input); + self->inBufs->descs[0].memType = XDM_MEMTYPE_RAW; + + return TRUE; +} + +static XDAS_Int32 +codec_prepare_outbuf (GstDucatiVidDec * self, GstBuffer * buf) +{ + XDAS_Int16 y_type, uv_type; + guint8 *y_vaddr, *uv_vaddr; + SSPtr y_paddr, uv_paddr; + + y_vaddr = GST_BUFFER_DATA (buf); + uv_vaddr = y_vaddr + self->stride * self->padded_height; + + y_paddr = TilerMem_VirtToPhys (y_vaddr); + uv_paddr = TilerMem_VirtToPhys (uv_vaddr); + + y_type = gst_ducati_get_mem_type (y_paddr); + uv_type = gst_ducati_get_mem_type (uv_paddr); + + if ((y_type < 0) || (uv_type < 0)) { + return 0; + } + + if (!self->outBufs->numBufs) { + /* initialize output buffer type */ + self->outBufs->numBufs = 2; + self->outBufs->descs[0].memType = y_type; + self->outBufs->descs[0].bufSize.tileMem.width = self->padded_width; + self->outBufs->descs[0].bufSize.tileMem.height = self->padded_height; + self->outBufs->descs[1].memType = uv_type; + /* note that UV interleaved width is same a Y: */ + self->outBufs->descs[1].bufSize.tileMem.width = self->padded_width; + self->outBufs->descs[1].bufSize.tileMem.height = self->padded_height / 2; + } else { + /* verify output buffer type matches what we've already given + * to the codec + */ + // TODO + } + + self->outBufs->descs[0].buf = (XDAS_Int8 *)y_paddr; + self->outBufs->descs[1].buf = (XDAS_Int8 *)uv_paddr; + + return (XDAS_Int32) buf; // XXX use lookup table +} + +static GstBuffer * +codec_get_outbuf (GstDucatiVidDec * self, XDAS_Int32 id) +{ + GstBuffer *buf = (GstBuffer *) id; // XXX use lookup table + if (buf) { + gst_buffer_ref (buf); + } + return buf; +} + +static void +codec_unlock_outbuf (GstDucatiVidDec * self, XDAS_Int32 id) +{ + GstBuffer *buf = (GstBuffer *) id; // XXX use lookup table + if (buf) { + gst_buffer_unref (buf); + } +} + +static gboolean +codec_flush (GstDucatiVidDec * self) +{ + if (G_UNLIKELY (!self->codec)) { + GST_WARNING_OBJECT (self, "no codec"); + return TRUE; + } + + GST_WARNING_OBJECT (self, "TODO"); + + return FALSE; +} + +/* GstDucatiVidDec vmethod default implementations */ + +static gboolean +gst_ducati_viddec_allocate_params (GstDucatiVidDec * self, gint params_sz, + gint dynparams_sz, gint status_sz, gint inargs_sz, gint outargs_sz) +{ + + /* allocate params: */ + self->params = dce_alloc (params_sz); + if (G_UNLIKELY (!self->params)) { + return FALSE; + } + self->params->size = params_sz; + self->params->maxFrameRate = 30000; + //h264, mpeg4: + //note mpeg4 and h263 are same.. + self->params->maxBitRate = 10000000; + //vc1: + //self->params->maxBitRate = 45000000; + + self->params->dataEndianness = XDM_BYTE; + self->params->forceChromaFormat = XDM_YUV_420SP; + self->params->operatingMode = IVIDEO_DECODE_ONLY; + + //mpeg4: + //self->params->displayDelay = IVIDDEC3_DISPLAY_DELAY_1; + + //vc1: + //self->params->displayDelay = IVIDDEC3_DISPLAY_DELAY_1; + + + self->params->displayBufsMode = IVIDDEC3_DISPLAYBUFS_EMBEDDED; + self->params->inputDataMode = IVIDEO_ENTIREFRAME; + self->params->outputDataMode = IVIDEO_ENTIREFRAME; + self->params->numInputDataUnits = 0; + self->params->numOutputDataUnits = 0; + + //vp6, vp7: + //self->params->numInputDataUnits = 1; + //self->params->numOutputDataUnits = 1; + + self->params->metadataType[0] = IVIDEO_METADATAPLANE_NONE; + self->params->metadataType[1] = IVIDEO_METADATAPLANE_NONE; + self->params->metadataType[2] = IVIDEO_METADATAPLANE_NONE; + self->params->errorInfoMode = IVIDEO_ERRORINFO_OFF; + + //mpeg4: + //((IMPEG4VDEC_Params *) self->params)->outloopDeBlocking = 0; + //((IMPEG4VDEC_Params *) self->params)->sorensonSparkStream = 0; + //((IMPEG4VDEC_Params *) self->params)->ErrorConcealmentON = 1; + + + /* allocate dynParams: */ + self->dynParams = dce_alloc (dynparams_sz); + if (G_UNLIKELY (!self->dynParams)) { + return FALSE; + } + self->dynParams->size = dynparams_sz; + self->dynParams->decodeHeader = XDM_DECODE_AU; + self->dynParams->displayWidth = 0; + self->dynParams->frameSkipMode = IVIDEO_NO_SKIP; + self->dynParams->newFrameFlag = XDAS_TRUE; + + //mpeg4: + //self->dynParams->lateAcquireArg = IRES_HDVICP2_UNKNOWNLATEACQUIREARG; + + /* allocate status: */ + self->status = dce_alloc (status_sz); + if (G_UNLIKELY (!self->status)) { + return FALSE; + } + self->status->size = status_sz; + + /* allocate inBufs/outBufs: */ + self->inBufs = dce_alloc (sizeof (XDM2_BufDesc)); + self->outBufs = dce_alloc (sizeof (XDM2_BufDesc)); + if (G_UNLIKELY (!self->inBufs) || G_UNLIKELY (!self->outBufs)) { + return FALSE; + } + + /* allocate inArgs/outArgs: */ + self->inArgs = dce_alloc (inargs_sz); + self->outArgs = dce_alloc (outargs_sz); + if (G_UNLIKELY (!self->inArgs) || G_UNLIKELY (!self->outArgs)) { + return FALSE; + } + self->inArgs->size = inargs_sz; + self->outArgs->size = outargs_sz; +} + +static GstBuffer * +gst_ducati_viddec_push_input (GstDucatiVidDec * self, GstBuffer * buf) +{ + /* just copy entire buffer */ + self->inArgs->numBytes = GST_BUFFER_SIZE (buf); + self->inBufs->descs[0].bufSize.bytes = self->inArgs->numBytes; + GST_DEBUG_OBJECT (self, "push: %d bytes)", self->inArgs->numBytes); + memcpy (self->input, GST_BUFFER_DATA (buf), self->inArgs->numBytes); + gst_buffer_unref (buf); + return NULL; +} + +/* GstElement vmethod implementations */ + +static gboolean +gst_ducati_viddec_set_caps (GstPad * pad, GstCaps * caps) +{ + gboolean ret = TRUE; + GstDucatiVidDec *self = GST_DUCATIVIDDEC (gst_pad_get_parent (pad)); + GstStructure *s; + + g_return_val_if_fail (caps, FALSE); + g_return_val_if_fail (gst_caps_is_fixed (caps), FALSE); + + s = gst_caps_get_structure (caps, 0); + + if (pad == self->sinkpad) { + gint width, height, frn, frd; + GST_INFO_OBJECT (self, "setcaps (sink): %" GST_PTR_FORMAT, caps); + + if (gst_structure_get_int (s, "width", &width) && + gst_structure_get_int (s, "height", &height) && + gst_structure_get_fraction (s, "framerate", &frn, &frd)) { + GstCaps *outcaps; + + /* ok, these caps seem sane.. grab the required values and construct + * appropriate output caps + */ + self->width = width; + self->height = height; + self->stride = 4096; /* TODO: don't hardcode */ + + /* update output/padded sizes: + */ + GST_DUCATIVIDDEC_GET_CLASS (self)->update_buffer_size (self); + + self->outsize = + GST_ROUND_UP_2 (self->stride * self->padded_height * 3) / 2; + + outcaps = gst_caps_new_simple ("video/x-raw-yuv-strided", + "rowstride", G_TYPE_INT, self->stride, + "format", GST_TYPE_FOURCC, GST_MAKE_FOURCC ('N','V','1','2'), + "width", G_TYPE_INT, self->padded_width, + "height", G_TYPE_INT, self->padded_height, + "framerate", GST_TYPE_FRACTION, frn, frd, + NULL); + + GST_DEBUG_OBJECT (self, "outcaps: %" GST_PTR_FORMAT, outcaps); + + ret = gst_pad_set_caps (self->srcpad, outcaps); + gst_caps_unref (outcaps); + + if (!ret) { + GST_WARNING_OBJECT (self, "failed to set caps"); + return FALSE; + } + } else { + GST_WARNING_OBJECT (self, "missing required fields"); + return FALSE; + } + } else { + GST_INFO_OBJECT (self, "setcaps (src): %" GST_PTR_FORMAT, caps); + // XXX check to make sure caps are ok.. keep track if we + // XXX need to handle unstrided buffers.. + GST_WARNING_OBJECT (self, "TODO"); + } + + gst_object_unref (self); + + return gst_pad_set_caps (pad, caps); +} + +static gboolean +gst_ducati_viddec_query (GstPad * pad, GstQuery * query) +{ + GstDucatiVidDec *self = GST_DUCATIVIDDEC (GST_OBJECT_PARENT (pad)); + + switch (GST_QUERY_TYPE (query)) { + case GST_QUERY_BUFFERS: + GST_DEBUG_OBJECT (self, "min buffers: %d", self->min_buffers); + gst_query_set_buffers_count (query, self->min_buffers); + + GST_DEBUG_OBJECT (self, "min dimensions: %dx%d", + self->padded_width, self->padded_height); + gst_query_set_buffers_dimensions (query, + self->padded_width, self->padded_height); + return TRUE; + default: + return FALSE; + } +} + +static GstFlowReturn +gst_ducati_viddec_chain (GstPad * pad, GstBuffer * buf) +{ + GstDucatiVidDec *self = GST_DUCATIVIDDEC (GST_OBJECT_PARENT (pad)); + GstFlowReturn ret; + Int32 err; + gint i; + GstBuffer *outbuf = NULL; + + if (G_UNLIKELY (!self->engine)) { + GST_ERROR_OBJECT (self, "no engine"); + return GST_FLOW_ERROR; + } + + /* do this before creating codec to ensure reverse caps negotiation + * happens first: + */ + ret = gst_pad_alloc_buffer_and_set_caps (self->srcpad, 0, self->outsize, + GST_PAD_CAPS (self->srcpad), &outbuf); + + if (ret != GST_FLOW_OK) { + /* TODO: if we had our own buffer class, we could allocate our own + * output buffer from TILER... + */ + GST_WARNING_OBJECT (self, "ret=%d", ret); + GST_WARNING_OBJECT (self, "TODO: allocate output TILER buffer"); + return ret; + } + + if (G_UNLIKELY (!self->codec)) { + if (!codec_create (self)) { + GST_ERROR_OBJECT (self, "could not create codec"); + return GST_FLOW_ERROR; + } + } + + GST_BUFFER_TIMESTAMP (outbuf) = GST_BUFFER_TIMESTAMP (buf); + GST_BUFFER_DURATION (outbuf) = GST_BUFFER_DURATION (buf); + + self->inArgs->inputID = codec_prepare_outbuf (self, outbuf); + if (!self->inArgs->inputID) { + GST_ERROR_OBJECT (self, "could not prepare output buffer"); + return GST_FLOW_ERROR; + } + + buf = GST_DUCATIVIDDEC_GET_CLASS (self)->push_input (self, buf); + + if (buf) { + // XXX + GST_WARNING_OBJECT (self, "TODO.. can't push more than one.. need loop"); + gst_buffer_unref (buf); + buf = NULL; + } + + //XXX t = mark (NULL); + err = VIDDEC3_process (self->codec, + self->inBufs, self->outBufs, + self->inArgs, self->outArgs); + //XXX GST_DEBUG_OBJECT (self, "processed returned in: %dus", mark (&t)); + if (err) { + GST_ERROR_OBJECT (self, "process returned error: %d %08x", + err, self->outArgs->extendedError); + return GST_FLOW_ERROR; + } + + for (i = 0; self->outArgs->outputID[i]; i++) { +#if 0 + /* calculate offset to region of interest */ + XDM_Rect *r = &(outArgs->displayBufs.bufDesc[0].activeFrameRegion); + int yoff = (r->topLeft.y * 4096) + r->topLeft.x; + int uvoff = (r->topLeft.y * 4096 / 2) + r->topLeft.x; + // XXX do something.. +#endif + + outbuf = codec_get_outbuf (self, self->outArgs->outputID[i]); + gst_pad_push (self->srcpad, outbuf); + } + + for (i = 0; self->outArgs->freeBufID[i]; i++) { + codec_unlock_outbuf (self, self->outArgs->freeBufID[i]); + } + + if (self->outArgs->outBufsInUseFlag) { + GST_WARNING_OBJECT (self, "TODO... outBufsInUseFlag"); // XXX + } + + return GST_FLOW_OK; +} + +static gboolean +gst_ducati_viddec_event (GstPad * pad, GstEvent * event) +{ + GstDucatiVidDec *self = GST_DUCATIVIDDEC (GST_OBJECT_PARENT (pad)); + gboolean ret = TRUE; + + GST_INFO_OBJECT (self, "begin: event=%s", GST_EVENT_TYPE_NAME (event)); + + switch (GST_EVENT_TYPE (event)) { + case GST_EVENT_EOS: + case GST_EVENT_FLUSH_STOP: + if (!codec_flush (self)) { + GST_ERROR_OBJECT (self, "could not flush"); + return FALSE; + } + /* fall-through */ + default: + ret = gst_pad_push_event (self->srcpad, event); + break; + } + + GST_LOG_OBJECT (self, "end"); + + return ret; +} + +static GstStateChangeReturn +gst_ducati_viddec_change_state (GstElement * element, + GstStateChange transition) +{ + GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS; + GstDucatiVidDec *self = GST_DUCATIVIDDEC (element); + + GST_INFO_OBJECT (self, "begin: changing state %s -> %s", + gst_element_state_get_name (GST_STATE_TRANSITION_CURRENT (transition)), + gst_element_state_get_name (GST_STATE_TRANSITION_NEXT (transition))); + + switch (transition) { + case GST_STATE_CHANGE_NULL_TO_READY: + if (!engine_open (self)) { + GST_ERROR_OBJECT (self, "could not open"); + return GST_STATE_CHANGE_FAILURE; + } + break; + default: + break; + } + + ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition); + + if (ret == GST_STATE_CHANGE_FAILURE) + goto leave; + + switch (transition) { + case GST_STATE_CHANGE_READY_TO_NULL: + codec_delete (self); + engine_close (self); + break; + default: + break; + } + +leave: + GST_LOG_OBJECT (self, "end"); + + return ret; +} + +/* GObject vmethod implementations */ + +static void +gst_ducati_viddec_finalize (GObject * obj) +{ + GstDucatiVidDec *self = GST_DUCATIVIDDEC (obj); + + codec_delete (self); + engine_close (self); + + G_OBJECT_CLASS (parent_class)->finalize (obj); +} + +static void +gst_ducati_viddec_base_init (gpointer gclass) +{ + GstElementClass *element_class = GST_ELEMENT_CLASS (gclass); + + gst_element_class_add_pad_template (element_class, + gst_static_pad_template_get (&src_factory)); +} + +static void +gst_ducati_viddec_class_init (GstDucatiVidDecClass * klass) +{ + GObjectClass *gobject_class = G_OBJECT_CLASS (klass); + GstElementClass *gstelement_class = GST_ELEMENT_CLASS (klass); + + gobject_class->finalize = gst_ducati_viddec_finalize; + gstelement_class->change_state = gst_ducati_viddec_change_state; + + klass->allocate_params = + GST_DEBUG_FUNCPTR (gst_ducati_viddec_allocate_params); + klass->push_input = + GST_DEBUG_FUNCPTR (gst_ducati_viddec_push_input); +} + +static void +gst_ducati_viddec_init (GstDucatiVidDec * self, GstDucatiVidDecClass * klass) +{ + GstElementClass *gstelement_class = GST_ELEMENT_CLASS (klass); + + self->sinkpad = gst_pad_new_from_template ( + gst_element_class_get_pad_template (gstelement_class, "sink"), "sink"); + gst_pad_set_setcaps_function (self->sinkpad, + GST_DEBUG_FUNCPTR (gst_ducati_viddec_set_caps)); + gst_pad_set_chain_function (self->sinkpad, + GST_DEBUG_FUNCPTR (gst_ducati_viddec_chain)); + gst_pad_set_event_function (self->sinkpad, + GST_DEBUG_FUNCPTR (gst_ducati_viddec_event)); + + self->srcpad = gst_pad_new_from_static_template (&src_factory, "src"); + gst_pad_set_setcaps_function (self->srcpad, + GST_DEBUG_FUNCPTR (gst_ducati_viddec_set_caps)); + gst_pad_set_query_function (self->srcpad, + GST_DEBUG_FUNCPTR (gst_ducati_viddec_query)); + + gst_element_add_pad (GST_ELEMENT (self), self->sinkpad); + gst_element_add_pad (GST_ELEMENT (self), self->srcpad); +} diff --git a/src/gstducatividdec.h b/src/gstducatividdec.h new file mode 100644 index 0000000..dfb505a --- /dev/null +++ b/src/gstducatividdec.h @@ -0,0 +1,105 @@ +/* + * GStreamer + * Copyright (c) 2010, Texas Instruments Incorporated + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation + * version 2.1 of the License. + * + * 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef __GST_DUCATIVIDDEC_H__ +#define __GST_DUCATIVIDDEC_H__ + +#include + +#include "gstducati.h" + + +G_BEGIN_DECLS + +// XXX move these +GST_DEBUG_CATEGORY_EXTERN (gst_ducati_debug); + + +#define GST_TYPE_DUCATIVIDDEC (gst_ducati_viddec_get_type()) +#define GST_DUCATIVIDDEC(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_DUCATIVIDDEC, GstDucatiVidDec)) +#define GST_DUCATIVIDDEC_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_DUCATIVIDDEC, GstDucatiVidDecClass)) +#define GST_IS_DUCATIVIDDEC(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_DUCATIVIDDEC)) +#define GST_IS_DUCATIVIDDEC_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_DUCATIVIDDEC)) +#define GST_DUCATIVIDDEC_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), GST_TYPE_DUCATIVIDDEC, GstDucatiVidDecClass)) + +typedef struct _GstDucatiVidDec GstDucatiVidDec; +typedef struct _GstDucatiVidDecClass GstDucatiVidDecClass; + +struct _GstDucatiVidDec +{ + GstElement parent; + + GstPad *sinkpad, *srcpad; + + /* minimum output size required by the codec: */ + gint outsize; + + /* minimum number of buffers required by the codec: */ + gint min_buffers; + + /* input (unpadded) size of video: */ + gint width, height; + + /* output (padded) size including any codec padding: */ + gint padded_width, padded_height; + + /* output stride (>= padded_width) */ + gint stride; + + /* input buffer, allocated when codec is created: */ + guint8 *input; + + Engine_Handle engine; + VIDDEC3_Handle codec; + VIDDEC3_Params *params; + VIDDEC3_DynamicParams *dynParams; + VIDDEC3_Status *status; + XDM2_BufDesc *inBufs; + XDM2_BufDesc *outBufs; + VIDDEC3_InArgs *inArgs; + VIDDEC3_OutArgs *outArgs; +}; + +struct _GstDucatiVidDecClass +{ + GstElementClass parent_class; + + const gchar *codec_name; + + /** + * Called when the input buffer size changes, to recalculate codec required + * output buffer size and minimum count + */ + void (*update_buffer_size) (GstDucatiVidDec * self); + + gboolean (*allocate_params) (GstDucatiVidDec * self, gint params_sz, + gint dynparams_sz, gint status_sz, gint inargs_sz, gint outargs_sz); + + /** + * Push input data into codec's input buffer, returning a sub-buffer of + * any remaining data, or NULL if none. Consumes reference to 'buf' + */ + GstBuffer * (*push_input) (GstDucatiVidDec * self, GstBuffer * buf); +}; + +GType gst_ducati_viddec_get_type (void); + +G_END_DECLS + +#endif /* __GST_DUCATIVIDDEC_H__ */