Rewrite ninja generation scripts in Lua

1 files changed, 342 insertions, 0 deletions

diff --git a/pkg/ffmpeg/gen.lua b/pkg/ffmpeg/gen.lua
new file mode 100644
index 00000000..fb610a87
--- /dev/null
+++ b/pkg/ffmpeg/gen.lua
@@ -0,0 +1,342 @@
+local arch = 'x86'
+
+cflags{
+	'-Wno-deprecated-declarations',
+	'-Wno-discarded-qualifiers',
+	'-D HAVE_AV_CONFIG_H',
+	'-I $dir',
+	'-I $outdir/include',
+	'-I $outdir/internal',
+	'-I $srcdir',
+	'-I $builddir/pkg/alsa-lib/include',
+	'-I $builddir/pkg/libressl/include',
+}
+
+set('nasmflags', {
+	'-i $srcdir/',
+	'-i $srcdir/libavutil/'..arch..'/',
+	'-f elf64',
+	'-P $outdir/config.asm',
+})
+
+build('awk', '$outdir/config.asm', '$dir/options.h', {
+	expr=[['{print "%define " substr($$0, length("#define ") + 1)}']],
+})
+build('awk', '$outdir/internal/libavcodec/bsf_list.c', {'$dir/options.h', '|', '$dir/bitstream_filters.awk'}, {
+	expr='-f $dir/bitstream_filters.awk',
+})
+build('awk', '$outdir/internal/libavformat/protocol_list.c', {'$dir/options.h', '|', '$dir/protocols.awk'}, {
+	expr='-f $dir/protocols.awk',
+})
+build('awk', '$outdir/include/libavutil/avconfig.h', {'$dir/options.h', '|', '$dir/protocols.awk'}, {
+	expr='-f $dir/avconfig.awk',
+})
+
+rule('ffversion', 'sh $srcdir/version.sh $srcdir $out')
+build('ffversion', '$outdir/include/libavutil/ffversion.h', {'|', '$srcdir/version.sh'})
+
+-- TODO: Copy the rest of the headers.
+pkg.hdrs = {
+	'$outdir/include/libavutil/avconfig.h',
+	'$outdir/include/libavutil/ffversion.h',
+}
+pkg.deps = {
+	'$outdir/config.asm',
+	'$dir/headers',
+	'pkg/libressl/headers',
+	'pkg/alsa-lib/headers',
+}
+
+local options = {}
+for line in io.lines(pkg.dir..'/options.h') do
+	local cfg, val = line:match('^#define ([^ ]+) ([^ ]+)')
+	if cfg then
+		options[cfg] = val == '1'
+	end
+end
+local sources = {
+	libavcodec={},
+	libavdevice={},
+	libavfilter={},
+	libavformat={},
+	libavutil={},
+	libswresample={},
+	libswscale={},
+}
+for line in io.lines(pkg.dir..'/sources.txt') do
+	local i = line:find(' ', 1, true)
+	local cfg = line:sub(1, i and i - 1)
+	if options[cfg] then
+		while i do
+			local j = line:find(' ', i + 1)
+			local src = line:sub(i + 1, j and j - 1)
+			i = j
+			j = src:find('/', 1, true)
+			if not j then
+				error('source path has no directory part: '..src)
+			end
+			local k = src:find('/', j + 1, true)
+			if not k or src:sub(j + 1, k - 1) == arch then
+				sources[src:sub(1, j - 1)][src] = true
+			end
+		end
+	end
+end
+for lib, srcs in pairs(sources) do
+	sources[lib] = table.keys(srcs)
+end
+table.insert(pkg.inputs.gen, {
+	'$dir/sources.txt',
+	'$dir/options.h',
+})
+
+cc('libavcodec/bitstream_filters.c', {'$outdir/internal/libavcodec/bsf_list.c'})
+lib('libavcodec.a', {
+	expand{'libavcodec/', {
+		'allcodecs.c',
+		'audioconvert.c',
+		'avdct.c',
+		'avpacket.c',
+		'avpicture.c',
+		'bitstream.c',
+		'bitstream_filter.c',
+		'bitstream_filters.c.o',
+		'bsf.c',
+		'codec_desc.c',
+		'd3d11va.c',
+		'dirac.c',
+		'dv_profile.c',
+		'imgconvert.c',
+		'jni.c',
+		'mathtables.c',
+		'mediacodec.c',
+		'mpeg12framerate.c',
+		'options.c',
+		'mjpegenc_huffman.c',
+		'parser.c',
+		'profiles.c',
+		'qsv_api.c',
+		'raw.c',
+		'resample.c',
+		'resample2.c',
+		'utils.c',
+		'vorbis_parser.c',
+		'xiph.c',
+		'x86/constants.c',
+	}},
+	sources.libavcodec,
+	'libavutil.a',
+})
+
+lib('libavdevice.a', {
+	expand{'libavdevice/', {
+		'alldevices.c',
+		'avdevice.c',
+		'utils.c',
+	}},
+	sources.libavdevice,
+	'libavcodec.a.d',
+	'libavformat.a.d',
+	'libavutil.a',
+})
+
+lib('libavfilter.a', {
+	expand{'libavfilter/', {
+		'allfilters.c',
+		'audio.c',
+		'avfilter.c',
+		'avfiltergraph.c',
+		'buffersink.c',
+		'buffersrc.c',
+		'drawutils.c',
+		'fifo.c',
+		'formats.c',
+		'framepool.c',
+		'framequeue.c',
+		'graphdump.c',
+		'graphparser.c',
+		'opencl_allkernels.c',
+		'transform.c',
+		'video.c',
+	}},
+	sources.libavfilter,
+	'libavutil.a',
+})
+
+cc('libavformat/protocols.c', {'$outdir/internal/libavformat/protocol_list.c'})
+lib('libavformat.a', {
+	expand{'libavformat/', {
+		'allformats.c',
+		'avio.c',
+		'aviobuf.c',
+		'cutils.c',
+		'dump.c',
+		'format.c',
+		'id3v1.c',
+		'id3v2.c',
+		'metadata.c',
+		'mux.c',
+		'options.c',
+		'os_support.c',
+		'qtpalette.c',
+		'protocols.c.o',
+		'riff.c',
+		'sdp.c',
+		'url.c',
+		'utils.c',
+	}},
+	sources.libavformat,
+	'libavcodec.a.d',
+	'libavutil.a',
+	'$builddir/pkg/libressl/libssl.a.d',
+})
+
+lib('libavutil.a', {
+	expand{'libavutil/', {
+		'adler32.c',
+		'aes.c',
+		'aes_ctr.c',
+		'audio_fifo.c',
+		'avstring.c',
+		'base64.c',
+		'blowfish.c',
+		'bprint.c',
+		'buffer.c',
+		'cast5.c',
+		'camellia.c',
+		'channel_layout.c',
+		'color_utils.c',
+		'cpu.c',
+		'crc.c',
+		'des.c',
+		'dict.c',
+		'display.c',
+		'downmix_info.c',
+		'error.c',
+		'eval.c',
+		'fifo.c',
+		'file.c',
+		'file_open.c',
+		'float_dsp.c',
+		'fixed_dsp.c',
+		'frame.c',
+		'hash.c',
+		'hmac.c',
+		'hwcontext.c',
+		'imgutils.c',
+		'integer.c',
+		'intmath.c',
+		'lfg.c',
+		'lls.c',
+		'log.c',
+		'log2_tab.c',
+		'mathematics.c',
+		'mastering_display_metadata.c',
+		'md5.c',
+		'mem.c',
+		'murmur3.c',
+		'opt.c',
+		'parseutils.c',
+		'pixdesc.c',
+		'pixelutils.c',
+		'random_seed.c',
+		'rational.c',
+		'reverse.c',
+		'rc4.c',
+		'ripemd.c',
+		'samplefmt.c',
+		'sha.c',
+		'sha512.c',
+		'spherical.c',
+		'stereo3d.c',
+		'threadmessage.c',
+		'time.c',
+		'timecode.c',
+		'tree.c',
+		'twofish.c',
+		'utils.c',
+		'xga_font_data.c',
+		'xtea.c',
+		'tea.c',
+		'x86/cpu.c',
+		'x86/fixed_dsp_init.c',
+		'x86/float_dsp_init.c',
+		'x86/imgutils_init.c',
+		'x86/lls_init.c',
+		'x86/cpuid.asm',
+		'x86/fixed_dsp.asm',
+		'x86/float_dsp.asm',
+		'x86/imgutils.asm',
+		'x86/lls.asm',
+	}},
+	sources.libavutil,
+})
+
+lib('libswresample.a', {
+	expand{'libswresample/', {
+		'audioconvert.c',
+		'dither.c',
+		'options.c',
+		'rematrix.c',
+		'resample.c',
+		'resample_dsp.c',
+		'swresample.c',
+		'swresample_frame.c',
+		'x86/audio_convert.asm',
+		'x86/rematrix.asm',
+		'x86/resample.asm',
+		'x86/audio_convert_init.c',
+		'x86/rematrix_init.c',
+		'x86/resample_init.c',
+	}},
+	sources.libswresample,
+	'libavutil.a',
+})
+
+lib('libswscale.a', {
+	expand{'libswscale/', {
+		'alphablend.c',
+		'hscale.c',
+		'hscale_fast_bilinear.c',
+		'gamma.c',
+		'input.c',
+		'options.c',
+		'output.c',
+		'rgb2rgb.c',
+		'slice.c',
+		'swscale.c',
+		'swscale_unscaled.c',
+		'utils.c',
+		'yuv2rgb.c',
+		'vscale.c',
+		'x86/rgb2rgb.c',
+		'x86/swscale.c',
+		'x86/yuv2rgb.c',
+		'x86/hscale_fast_bilinear_simd.c',
+		'x86/input.asm',
+		'x86/output.asm',
+		'x86/scale.asm',
+	}},
+	sources.libswscale,
+	'libavutil.a',
+})
+
+local libs = {
+	'libavcodec.a.d',
+	'libavdevice.a.d',
+	'libavfilter.a.d',
+	'libavformat.a.d',
+	'libavutil.a',
+	'libswresample.a.d',
+	'libswscale.a.d',
+}
+
+cc('cmdutils.c', {'$dir/deps'})
+
+exe('ffprobe', {'ffprobe.c', 'cmdutils.c.o', libs})
+file('bin/ffprobe', '755', '$outdir/ffprobe')
+
+exe('ffmpeg', {'ffmpeg.c', 'ffmpeg_opt.c', 'ffmpeg_filter.c', 'cmdutils.c.o', libs})
+file('bin/ffmpeg', '755', '$outdir/ffmpeg')
+
+fetch 'git'