public static extern void av_codec_set_chroma_intra_matrix(AVCodecContext* avctx, ushort* val);
public static extern void avcodec_flush_buffers(AVCodecContext* avctx);
public static extern int av_bitstream_filter_filter(AVBitStreamFilterContext* bsfc, AVCodecContext* avctx, String args, byte** poutbuf, int* poutbuf_size, byte* buf, int buf_size, int keyframe);
public static extern AVPixelFormat avcodec_default_get_format(AVCodecContext* s, AVPixelFormat* fmt);
public static extern void avcodec_string(sbyte* /*String*/ buf, int buf_size, AVCodecContext* enc, int encode);
public static extern int avcodec_encode_audio(AVCodecContext* avctx, byte* buf, int buf_size, short* samples);
public static extern int avcodec_encode_video2(AVCodecContext* avctx, AVPacket* avpkt, AVFrame* frame, int* got_packet_ptr);
public static extern void avcodec_default_release_buffer(AVCodecContext* s, AVFrame* pic);
public static extern int avcodec_default_reget_buffer(AVCodecContext* s, AVFrame* pic);
public static extern int avcodec_open2(AVCodecContext* avctx, AVCodec* codec, AVDictionary** options);
public static extern int avcodec_close(AVCodecContext* avctx);
public static extern int avcodec_copy_context(AVCodecContext* dest, AVCodecContext* src);
public static extern int avcodec_get_context_defaults3(AVCodecContext* s, AVCodec* codec);
public static extern void avcodec_free_context(AVCodecContext** avctx);
public static extern int av_parser_parse2(AVCodecParserContext* s, AVCodecContext* avctx, byte** poutbuf, int* poutbuf_size, byte* buf, int buf_size, long pts, long dts, long pos);
public static extern int avcodec_default_get_buffer2(AVCodecContext* s, AVFrame* frame, int flags);
public static extern int av_parser_change(AVCodecParserContext* s, AVCodecContext* avctx, byte** poutbuf, int* poutbuf_size, byte* buf, int buf_size, int keyframe);
public static extern void avcodec_align_dimensions(AVCodecContext* s, int* width, int* height);
public static extern int avcodec_encode_video(AVCodecContext* avctx, byte* buf, int buf_size, AVFrame* pict);
public static extern void avcodec_align_dimensions2(AVCodecContext* s, int* width, int* height, int* linesize_align);
public static extern int avcodec_encode_subtitle(AVCodecContext* avctx, byte* buf, int buf_size, AVSubtitle* sub);
public static extern int avcodec_decode_audio3(AVCodecContext* avctx, short* samples, int* frame_size_ptr, AVPacket* avpkt);
public static extern void avcodec_set_dimensions(AVCodecContext* s, int width, int height);
public static extern int avcodec_decode_audio4(AVCodecContext* avctx, AVFrame* frame, int* got_frame_ptr, AVPacket* avpkt);
public static extern int avcodec_default_execute2(AVCodecContext* c, IntPtr func_c2_arg2___1, void* arg, int* ret, int count);
public static extern int avcodec_decode_video2(AVCodecContext* avctx, AVFrame* picture, int* got_picture_ptr, AVPacket* avpkt);
public static extern int av_get_audio_frame_duration(AVCodecContext* avctx, int frame_bytes);
public static extern int avcodec_decode_subtitle2(AVCodecContext* avctx, AVSubtitle* sub, int* got_sub_ptr, AVPacket* avpkt);
public static extern int avcodec_is_open(AVCodecContext* s);
public static extern ushort* av_codec_get_chroma_intra_matrix(AVCodecContext* avctx);