# -*- Mode: Python -*- vi:si:et:sw=4:sts=4:ts=4:syntax=python

import shutil

from cerbero.utils import shell
from cerbero.tools.libtool import LibtoolLibrary

class Recipe(custom.GStreamerStatic):
    name = 'gst-libav-1.0-static'
    version = '1.6'
    gstreamer_version = '1.0'
    # TODO - check license - plugin is certainly LGPLv2+, but need to check
    #        the linked libs
    licenses = [License.LGPLv2Plus]
    extra_configure_options = "--enable-static --enable-lgpl --disable-example"
    remotes = {'origin': 'git://anongit.freedesktop.org/gstreamer/gst-libav'}
    commit = 'origin/1.6'
    deps = ['gstreamer-1.0', 'gst-plugins-base-1.0', 'bzip2', 'zlib' ]

    files_plugins_codecs_restricted_devel = ['libgstlibav']

    def prepare(self):
        self.append_env['CFLAGS'] = " -Wno-error "
        self.append_env['CXXFLAGS'] = " -Wno-error "
        self.append_env['CPPFLAGS'] = " -Wno-error "

        if self.config.target_platform != Platform.LINUX:
            self.configure_options += ' --disable-gtk-doc'

        if self.config.target_platform == Platform.DARWIN:
            if self.config.target_arch == Architecture.X86_64:
                asflags = ' -arch x86_64 -m64'
            elif self.config.target_arch == Architecture.X86:
                asflags = ' -arch i386 -m32'
            self.configure_options += ' ASFLAGS="%s"' % asflags
        elif self.config.target_platform == Platform.ANDROID:
            if self.config.target_arch == Architecture.X86:
              # libav internally aligns stacks, while Android doesn't
              self.configure_options += ' --with-libav-extra-configure="--extra-cflags=\'-mincoming-stack-boundary=4\'"'
        if self.config.variants.nodebug:
            self.append_env['CFLAGS'] += ' -DGST_LEVEL_MAX=GST_LEVEL_FIXME'

        super(Recipe, self).prepare()
        for f in ['libavcodec', 'libavformat', 'libavutil', 'libswscale', 'libswresample']:
            for ext in ['.a', '.la']:
                path = os.path.join('lib', f + ext)
                self.files_plugins_codecs_restricted_devel.append(path)

    def configure(self):
        super(recipe.Recipe, self).configure()

        libav_path = os.path.join(self.build_dir, 'gst-libs', 'ext', 'libav')
        if self.config.target_platform == Platform.WINDOWS:
            replacements = {'RANLIB=ranlib': 'RANLIB=%s' % os.environ['RANLIB'],
                            'RANLIB=%s-ranlib' % self.config.host: 'RANLIB=%s' % os.environ['RANLIB']}
            shell.replace(os.path.join(libav_path, 'config.mak'), replacements)
        elif self.config.target_platform in [Platform.DARWIN, Platform.IOS]:
            if self.config.target_arch == Architecture.X86:
                replacements = {'HAVE_EBX_AVAILABLE=yes': 'HAVE_EBX_AVAILABLE=no',
                                'HAVE_EBX_AVAILABLE 1': 'HAVE_EBX_AVAILABLE 0',}
                shell.replace(os.path.join(libav_path, 'config.mak'), replacements)
                shell.replace(os.path.join(libav_path, 'config.h'), replacements)
            if self.config.target_platform == Platform.IOS:
                replacements = {'RANLIB=ranlib': 'RANLIB=%s' % os.environ['RANLIB'],
                                'RANLIB=%s-ranlib' % self.config.host: 'RANLIB=%s' % os.environ['RANLIB']}    
                shell.replace(os.path.join(libav_path, 'config.mak'), replacements)
        # log2 and log2f are not provided by bionic, but they are not checked
        # properly
        elif self.config.target_platform == Platform.ANDROID:
                replacements = {'HAVE_LOG2 1': 'HAVE_LOG2 0',
                                'HAVE_LOG2F 1': 'HAVE_LOG2F 0',}
                shell.replace(os.path.join(libav_path, 'config.h'), replacements)

    def post_install(self):
        for n in ['avutil', 'swresample', 'avcodec', 'avformat', 'swscale']:
            name = 'lib%s' % n
            lib = '%s.a' % name
            path = os.path.join(self.build_dir, 'gst-libs', 'ext', 'libav',
                    name, lib)
            shutil.copy(path, self.config.libdir)
            deps = ['z', 'bz2']
            if n == 'avcodec':
                deps += ['avutil', 'swresample']
            if n == 'avformat':
                deps += ['avutil', 'avcodec', 'swresample']
            if n == 'swscale':
                deps += ['avutil']
            if n == 'swresample':
                deps += ['avutil']
            libtool_la = LibtoolLibrary(n, None, None, None, self.config.libdir,
                self.config.target_platform, deps)
            libtool_la.change_value ('dlname', '')
            libtool_la.change_value ('library_names', '')
            libtool_la.save()
        super(Recipe, self).post_install()
        gstlibavlib = os.path.join(self.config.prefix, 'lib', 'gstreamer-1.0',
                'static', 'libgstlibav.la')
        shell.replace (gstlibavlib,
                {'-lavformat': os.path.join(self.config.libdir, 'libavformat.la'),
                '-lavcodec': os.path.join(self.config.libdir, 'libavcodec.la'),
                '-lavutil': os.path.join(self.config.libdir, 'libavutil.la'),
                '-lswscale': os.path.join(self.config.libdir, 'libswscale.la'),
                '-lswresample': os.path.join(self.config.libdir, 'libswresample.la'),
                })