FFMpeg新旧接口之间的一些对应关系

src/codecs/h263/tdav_codec_h263.c: In function ‘tdav_codec_h263_ctor’:
src/codecs/h263/tdav_codec_h263.c:540:75: error: type of formal parameter 3 is incomplete
   tdav_codec_h263_init(TDAV_CODEC_H263(self), tdav_codec_h263_1996, CODEC_ID_H263, CODEC_ID_H263);
src/codecs/h263/tdav_codec_h263.c:181:93: error: parameter 3 (‘encoder’) has incomplete type
 (tdav_codec_h263_t* self, tdav_codec_h263_type_t type, enum CodecID encoder, enum CodecID decoder)

avcodec_alloc_frame             av_frame_alloc
avcodec_get_frame_defaults      av_frame_unref
avcodec_free_frame              av_frame_free
avcodec_encode_video            avcodec_encode_video2
avcodec_open                    avcodec_open2
avcodec_alloc_context           avcodec_alloc_context3
avcodec_get_context_defaults    avcodec_get_context_defaults3
avcodec_get_frame_defaults      av_frame_unref
CODEC_ID_H263                   AV_CODEC_ID_H263
CodecID                         AVCodecID
PixelFormat                     AVPixelFormat
PIX_FMT_RGB24                   AV_PIX_FMT_RGB24（一大批类似的）
FF_INPUT_BUFFER_PADDING_SIZE    AV_INPUT_BUFFER_PADDING_SIZE
AVFilterBufferRef               AVBufferRef
av_buffersink_get_buffer_ref    av_frame_copy_props
avfilter_copy_buf_props         av_frame_copy_props

libavfilter/motion_estimation.h
self->encoder.context->me_method = ME_UMH
改为
self->encoder.context->prediction_method = AV_ME_METHOD_UMH;