av_buffer_create, ,av_buffer_get_opaque, ,av_dict_count, ,av_dict_free, ,av_dict_get, ,av_dict_set, ,av_force_cpu_flags, ,av_frame_alloc, ,av_frame_clone, ,av_frame_free, ,av_frame_unref, ,av_free, ,av_get_bytes_per_sample, ,av_get_cpu_flags, ,av_image_check_size, ,av_init_packet, ,av_log_set_level, ,av_malloc, ,av_max_alloc, ,av_new_packet, ,av_packet_alloc, ,av_packet_copy_props, ,av_packet_free, ,av_packet_get_side_data, ,av_packet_unref, ,av_rdft_calc, ,av_rdft_end, ,av_rdft_init, ,av_read_frame, ,av_rescale_q, ,av_samples_get_buffer_size, ,av_seek_frame, ,av_stream_get_first_dts, ,av_stream_get_side_data, ,av_strerror, ,avcodec_align_dimensions, ,avcodec_alloc_context3, ,avcodec_descriptor_get, ,avcodec_descriptor_next, ,avcodec_find_decoder, ,avcodec_flush_buffers, ,avcodec_free_context, ,avcodec_get_name, ,avcodec_open2, ,avcodec_parameters_to_context, ,avcodec_receive_frame, ,avcodec_send_packet, ,avformat_alloc_context, ,avformat_close_input, ,avformat_find_stream_info, ,avformat_free_context, ,avformat_open_input, ,avio_alloc_context, ,avio_close.