load("//Config:buck_rule_macros.bzl", "static_library", "gen_header_targets", "merge_maps")

ffmpeg_header_paths = [
    "libavutil/hwcontext.h",
    "libavutil/time.h",
    "libavutil/hwcontext_cuda.h",
    "libavutil/intfloat.h",
    "libavutil/error.h",
    "libavutil/fifo.h",
    "libavutil/blowfish.h",
    "libavutil/hwcontext_mediacodec.h",
    "libavutil/replaygain.h",
    "libavutil/version.h",
    "libavutil/murmur3.h",
    "libavutil/stereo3d.h",
    "libavutil/samplefmt.h",
    "libavutil/pixdesc.h",
    "libavutil/base64.h",
    "libavutil/rational.h",
    "libavutil/sha.h",
    "libavutil/motion_vector.h",
    "libavutil/avconfig.h",
    "libavutil/lfg.h",
    "libavutil/avutil.h",
    "libavutil/xtea.h",
    "libavutil/crc.h",
    "libavutil/hwcontext_vdpau.h",
    "libavutil/frame.h",
    "libavutil/file.h",
    "libavutil/md5.h",
    "libavutil/cast5.h",
    "libavutil/hwcontext_vaapi.h",
    "libavutil/spherical.h",
    "libavutil/ffversion.h",
    "libavutil/audio_fifo.h",
    "libavutil/tree.h",
    "libavutil/threadmessage.h",
    "libavutil/attributes.h",
    "libavutil/adler32.h",
    "libavutil/hwcontext_d3d11va.h",
    "libavutil/timecode.h",
    "libavutil/sha512.h",
    "libavutil/hwcontext_dxva2.h",
    "libavutil/display.h",
    "libavutil/buffer.h",
    "libavutil/camellia.h",
    "libavutil/pixelutils.h",
    "libavutil/hwcontext_drm.h",
    "libavutil/common.h",
    "libavutil/hmac.h",
    "libavutil/eval.h",
    "libavutil/dict.h",
    "libavutil/random_seed.h",
    "libavutil/opt.h",
    "libavutil/mastering_display_metadata.h",
    "libavutil/log.h",
    "libavutil/aes.h",
    "libavutil/macros.h",
    "libavutil/bswap.h",
    "libavutil/rc4.h",
    "libavutil/tea.h",
    "libavutil/cpu.h",
    "libavutil/lzo.h",
    "libavutil/des.h",
    "libavutil/channel_layout.h",
    "libavutil/encryption_info.h",
    "libavutil/twofish.h",
    "libavutil/imgutils.h",
    "libavutil/hwcontext_videotoolbox.h",
    "libavutil/mem.h",
    "libavutil/parseutils.h",
    "libavutil/ripemd.h",
    "libavutil/bprint.h",
    "libavutil/hwcontext_qsv.h",
    "libavutil/pixfmt.h",
    "libavutil/aes_ctr.h",
    "libavutil/timestamp.h",
    "libavutil/downmix_info.h",
    "libavutil/avassert.h",
    "libavutil/hash.h",
    "libavutil/mathematics.h",
    "libavutil/intreadwrite.h",
    "libavutil/avstring.h",
    "libavformat/version.h",
    "libavformat/avio.h",
    "libavformat/avformat.h",
    "libavcodec/adts_parser.h",
    "libavcodec/avcodec.h",
    "libavcodec/version.h",
    "libavcodec/vdpau.h",
    "libavcodec/qsv.h",
    "libavcodec/vaapi.h",
    "libavcodec/videotoolbox.h",
    "libavcodec/xvmc.h",
    "libavcodec/mediacodec.h",
    "libavcodec/d3d11va.h",
    "libavcodec/avfft.h",
    "libavcodec/jni.h",
    "libavcodec/dirac.h",
    "libavcodec/avdct.h",
    "libavcodec/ac3_parser.h",
    "libavcodec/vorbis_parser.h",
    "libavcodec/dxva2.h",
    "libavcodec/dv_profile.h",
    "libswresample/version.h",
    "libswresample/swresample.h",
]

library_archs = "arm64 armv7 x86_64"

genrule(
    name = "libffmpeg_build",
    srcs = glob([
        "Sources/FFMpeg/**/*",
    ], exclude = ["Sources/FFMpeg/**/.*"]),
    bash =
        "PATH=\"$PATH:$(location //third-party/yasm:yasm)/yasm-1.3.0/build\" " +
        "$SRCDIR/Sources/FFMpeg/build-ffmpeg-buck.sh release \"" + library_archs + "\" $OUT $SRCDIR/Sources/FFMpeg",
    out = "libffmpeg",
    visibility = [
        "//submodules/ffmpeg:FFMpeg",
        "//submodules/ffmpeg:libffmpeg",
    ]
)

ffmpeg_header_targets = gen_header_targets(ffmpeg_header_paths, "ffmpeg_header_", "", "libffmpeg_build", "FFmpeg-iOS/include")

apple_library(
    name = "libffmpeg",
    visibility = [
        "//submodules/ffmpeg:FFMpeg"
    ],
    header_namespace = "ffmpeg",
    exported_headers = ffmpeg_header_targets,
    linker_flags = [
        "-L$(location :libffmpeg_build)/FFmpeg-iOS/lib",
        "-lavutil",
        "-lavcodec",
        "-lavformat",
        "-lswresample",
        "-lbz2",
        "-liconv",
        "-lz",
    ],
    exported_linker_flags = [
        "-L$(location :libffmpeg_build)/FFmpeg-iOS/lib",
        "-lavutil",
        "-lavcodec",
        "-lavformat",
        "-lswresample",
        "-lbz2",
        "-liconv",
        "-lz",
    ],
    deps = [
        ":libffmpeg_build",
        "//submodules/Opus:opus",
    ],
)

static_library(
    name = "ffmpeg",
    exported_headers = merge_maps([
        {
            "ffmpeg/ffmpeg.h": "PublicHeaders/ffmpeg/ffmpeg.h",
        },
        ffmpeg_header_targets,
    ]),
    deps = [
        ":libffmpeg_build",
        ":libffmpeg",
        "//submodules/Opus:opus",
    ],
    frameworks = [
        "$SDKROOT/System/Library/Frameworks/Foundation.framework",
        "$SDKROOT/System/Library/Frameworks/UIKit.framework",
        "$SDKROOT/System/Library/Frameworks/CoreMedia.framework",
        "$SDKROOT/System/Library/Frameworks/AVFoundation.framework",
    ],
)