_core.pyx

cimport libav as lib

# Setup base library. While the docs and experience may lead us to believe we
# don't need to call all of these (e.g. avcodec_register_all is usually
# unnessesary), some users have found contexts in which they are required.
lib.av_register_all()
lib.avformat_network_init()
lib.avdevice_register_all()
lib.avcodec_register_all()
lib.avfilter_register_all()

# Exports.
time_base = lib.AV_TIME_BASE


pyav_version = lib.PYAV_VERSION_STR
pyav_commit = lib.PYAV_COMMIT_STR


cdef decode_version(v):
    if v < 0:
        return (-1, -1, -1)
    cdef int major = (v >> 16) & 0xff
    cdef int minor = (v >> 8 ) & 0xff
    cdef int micro = (v      ) & 0xff
    return (major, minor, micro)

versions = {
    'libavutil': dict(
        version=decode_version(lib.avutil_version()),
        configuration=lib.avutil_configuration(),
        license=lib.avutil_license()
    ),
    'libavcodec': dict(
        version=decode_version(lib.avcodec_version()),
        configuration=lib.avcodec_configuration(),
        license=lib.avcodec_license()
    ),
    'libavformat': dict(
        version=decode_version(lib.avformat_version()),
        configuration=lib.avformat_configuration(),
        license=lib.avformat_license()
    ),
    'libavdevice': dict(
        version=decode_version(lib.avdevice_version()),
        configuration=lib.avdevice_configuration(),
        license=lib.avdevice_license()
    ),
    'libavfilter': dict(
        version=decode_version(lib.avfilter_version()),
        configuration=lib.avfilter_configuration(),
        license=lib.avfilter_license()
    ),
    'libavresample': dict(
        version=decode_version(lib.avresample_version()),
        configuration=lib.avresample_configuration(),
        license=lib.avresample_license()
    ),
    'libswscale': dict(
        version=decode_version(lib.swscale_version()),
        configuration=lib.swscale_configuration(),
        license=lib.swscale_license()
    ),
    'libswresample': dict(
        version=decode_version(lib.swresample_version()),
        configuration=lib.swresample_configuration(),
        license=lib.swresample_license()
    ),
}