Struct Api 

pub struct Api {

    pub version: String,
    pub dir: PathBuf,
    pub av_frame_alloc: unsafe extern "C" fn() -> *mut AVFrame,
    pub av_frame_free: unsafe extern "C" fn(*mut *mut AVFrame),
    pub av_frame_unref: unsafe extern "C" fn(*mut AVFrame),
    pub av_frame_ref: unsafe extern "C" fn(*mut AVFrame, *const AVFrame) -> c_int,
    pub av_frame_get_buffer: unsafe extern "C" fn(*mut AVFrame, c_int) -> c_int,
    pub av_log_set_level: unsafe extern "C" fn(c_int),
    pub av_channel_layout_default: unsafe extern "C" fn(*mut AVChannelLayout, c_int),
    pub av_channel_layout_uninit: unsafe extern "C" fn(*mut AVChannelLayout),
    pub av_opt_set: unsafe extern "C" fn(*mut c_void, *const c_char, *const c_char, c_int) -> c_int,
    pub av_display_rotation_get: unsafe extern "C" fn(*const i32) -> c_double,
    pub av_strerror: unsafe extern "C" fn(c_int, *mut c_char, usize) -> c_int,
    pub avcodec_alloc_context3: unsafe extern "C" fn(*const AVCodec) -> *mut AVCodecContext,
    pub avcodec_free_context: unsafe extern "C" fn(*mut *mut AVCodecContext),
    pub avcodec_parameters_to_context: unsafe extern "C" fn(*mut AVCodecContext, *const AVCodecParameters) -> c_int,
    pub avcodec_open2: unsafe extern "C" fn(*mut AVCodecContext, *const AVCodec, *mut *mut c_void) -> c_int,
    pub avcodec_send_packet: unsafe extern "C" fn(*mut AVCodecContext, *const AVPacket) -> c_int,
    pub avcodec_receive_frame: unsafe extern "C" fn(*mut AVCodecContext, *mut AVFrame) -> c_int,
    pub avcodec_flush_buffers: unsafe extern "C" fn(*mut AVCodecContext),
    pub avcodec_find_decoder_by_name: unsafe extern "C" fn(*const c_char) -> *const AVCodec,
    pub av_packet_alloc: unsafe extern "C" fn() -> *mut AVPacket,
    pub av_packet_free: unsafe extern "C" fn(*mut *mut AVPacket),
    pub av_packet_unref: unsafe extern "C" fn(*mut AVPacket),
    pub av_packet_side_data_get: unsafe extern "C" fn(*const AVPacketSideData, c_int, c_int) -> *const AVPacketSideData,
    pub avformat_open_input: unsafe extern "C" fn(*mut *mut AVFormatContext, *const c_char, *const c_void, *mut *mut c_void) -> c_int,
    pub avformat_find_stream_info: unsafe extern "C" fn(*mut AVFormatContext, *mut *mut c_void) -> c_int,
    pub av_find_best_stream: unsafe extern "C" fn(*mut AVFormatContext, c_int, c_int, c_int, *mut *const AVCodec, c_int) -> c_int,
    pub av_read_frame: unsafe extern "C" fn(*mut AVFormatContext, *mut AVPacket) -> c_int,
    pub av_seek_frame: unsafe extern "C" fn(*mut AVFormatContext, c_int, i64, c_int) -> c_int,
    pub avformat_close_input: unsafe extern "C" fn(*mut *mut AVFormatContext),
    pub sws_get_cached_context: unsafe extern "C" fn(*mut SwsContext, c_int, c_int, c_int, c_int, c_int, c_int, c_int, *mut c_void, *mut c_void, *const c_double) -> *mut SwsContext,
    pub sws_scale: unsafe extern "C" fn(*mut SwsContext, *const *const u8, *const c_int, c_int, c_int, *const *mut u8, *const c_int) -> c_int,
    pub sws_free_context: unsafe extern "C" fn(*mut SwsContext),
    pub swr_alloc_set_opts2: unsafe extern "C" fn(*mut *mut SwrContext, *const AVChannelLayout, c_int, c_int, *const AVChannelLayout, c_int, c_int, c_int, *mut c_void) -> c_int,
    pub swr_init: unsafe extern "C" fn(*mut SwrContext) -> c_int,
    pub swr_convert: unsafe extern "C" fn(*mut SwrContext, *const *mut u8, c_int, *const *const u8, c_int) -> c_int,
    pub swr_get_out_samples: unsafe extern "C" fn(*mut SwrContext, c_int) -> c_int,
    pub swr_free: unsafe extern "C" fn(*mut *mut SwrContext),
    pub avfilter_graph_alloc: unsafe extern "C" fn() -> *mut AVFilterGraph,
    pub avfilter_graph_free: unsafe extern "C" fn(*mut *mut AVFilterGraph),
    pub avfilter_get_by_name: unsafe extern "C" fn(*const c_char) -> *const AVFilter,
    pub avfilter_graph_create_filter: unsafe extern "C" fn(*mut *mut AVFilterContext, *const AVFilter, *const c_char, *const c_char, *mut c_void, *mut AVFilterGraph) -> c_int,
    pub avfilter_link: unsafe extern "C" fn(*mut AVFilterContext, c_uint, *mut AVFilterContext, c_uint) -> c_int,
    pub avfilter_graph_config: unsafe extern "C" fn(*mut AVFilterGraph, *mut c_void) -> c_int,
    pub av_buffersrc_add_frame: unsafe extern "C" fn(*mut AVFilterContext, *mut AVFrame) -> c_int,
    pub av_buffersink_get_frame: unsafe extern "C" fn(*mut AVFilterContext, *mut AVFrame) -> c_int,
    /* private fields */
}

Every FFmpeg function falcon calls, resolved from the loaded libraries. The libraries stay loaded for the life of the process.

Fields

version: String

dir: PathBuf

av_frame_alloc: unsafe extern "C" fn() -> *mut AVFrame

av_frame_free: unsafe extern "C" fn(*mut *mut AVFrame)

av_frame_unref: unsafe extern "C" fn(*mut AVFrame)

av_frame_ref: unsafe extern "C" fn(*mut AVFrame, *const AVFrame) -> c_int

av_frame_get_buffer: unsafe extern "C" fn(*mut AVFrame, c_int) -> c_int

av_log_set_level: unsafe extern "C" fn(c_int)

av_channel_layout_default: unsafe extern "C" fn(*mut AVChannelLayout, c_int)

av_channel_layout_uninit: unsafe extern "C" fn(*mut AVChannelLayout)

av_opt_set: unsafe extern "C" fn(*mut c_void, *const c_char, *const c_char, c_int) -> c_int

av_display_rotation_get: unsafe extern "C" fn(*const i32) -> c_double

av_strerror: unsafe extern "C" fn(c_int, *mut c_char, usize) -> c_int

avcodec_alloc_context3: unsafe extern "C" fn(*const AVCodec) -> *mut AVCodecContext

avcodec_free_context: unsafe extern "C" fn(*mut *mut AVCodecContext)

avcodec_parameters_to_context: unsafe extern "C" fn(*mut AVCodecContext, *const AVCodecParameters) -> c_int

avcodec_open2: unsafe extern "C" fn(*mut AVCodecContext, *const AVCodec, *mut *mut c_void) -> c_int

avcodec_send_packet: unsafe extern "C" fn(*mut AVCodecContext, *const AVPacket) -> c_int

avcodec_receive_frame: unsafe extern "C" fn(*mut AVCodecContext, *mut AVFrame) -> c_int

avcodec_flush_buffers: unsafe extern "C" fn(*mut AVCodecContext)

avcodec_find_decoder_by_name: unsafe extern "C" fn(*const c_char) -> *const AVCodec

av_packet_alloc: unsafe extern "C" fn() -> *mut AVPacket

av_packet_free: unsafe extern "C" fn(*mut *mut AVPacket)

av_packet_unref: unsafe extern "C" fn(*mut AVPacket)

av_packet_side_data_get: unsafe extern "C" fn(*const AVPacketSideData, c_int, c_int) -> *const AVPacketSideData

avformat_open_input: unsafe extern "C" fn(*mut *mut AVFormatContext, *const c_char, *const c_void, *mut *mut c_void) -> c_int

avformat_find_stream_info: unsafe extern "C" fn(*mut AVFormatContext, *mut *mut c_void) -> c_int

av_find_best_stream: unsafe extern "C" fn(*mut AVFormatContext, c_int, c_int, c_int, *mut *const AVCodec, c_int) -> c_int

av_read_frame: unsafe extern "C" fn(*mut AVFormatContext, *mut AVPacket) -> c_int

av_seek_frame: unsafe extern "C" fn(*mut AVFormatContext, c_int, i64, c_int) -> c_int

avformat_close_input: unsafe extern "C" fn(*mut *mut AVFormatContext)

sws_get_cached_context: unsafe extern "C" fn(*mut SwsContext, c_int, c_int, c_int, c_int, c_int, c_int, c_int, *mut c_void, *mut c_void, *const c_double) -> *mut SwsContext

sws_scale: unsafe extern "C" fn(*mut SwsContext, *const *const u8, *const c_int, c_int, c_int, *const *mut u8, *const c_int) -> c_int

sws_free_context: unsafe extern "C" fn(*mut SwsContext)

swr_alloc_set_opts2: unsafe extern "C" fn(*mut *mut SwrContext, *const AVChannelLayout, c_int, c_int, *const AVChannelLayout, c_int, c_int, c_int, *mut c_void) -> c_int

swr_init: unsafe extern "C" fn(*mut SwrContext) -> c_int

swr_convert: unsafe extern "C" fn(*mut SwrContext, *const *mut u8, c_int, *const *const u8, c_int) -> c_int

swr_get_out_samples: unsafe extern "C" fn(*mut SwrContext, c_int) -> c_int

swr_free: unsafe extern "C" fn(*mut *mut SwrContext)

avfilter_graph_alloc: unsafe extern "C" fn() -> *mut AVFilterGraph

avfilter_graph_free: unsafe extern "C" fn(*mut *mut AVFilterGraph)

avfilter_get_by_name: unsafe extern "C" fn(*const c_char) -> *const AVFilter

avfilter_graph_create_filter: unsafe extern "C" fn(*mut *mut AVFilterContext, *const AVFilter, *const c_char, *const c_char, *mut c_void, *mut AVFilterGraph) -> c_int

avfilter_link: unsafe extern "C" fn(*mut AVFilterContext, c_uint, *mut AVFilterContext, c_uint) -> c_int

avfilter_graph_config: unsafe extern "C" fn(*mut AVFilterGraph, *mut c_void) -> c_int

av_buffersrc_add_frame: unsafe extern "C" fn(*mut AVFilterContext, *mut AVFrame) -> c_int

av_buffersink_get_frame: unsafe extern "C" fn(*mut AVFilterContext, *mut AVFrame) -> c_int