LD	libavfilter/avfilter-3.dll
libavfilter/avcodec.o: In function `avfilter_copy_frame_props':
e:\ffmpeg-1.2.1/libavfilter/avcodec.c:33: undefined reference to `av_frame_get_pkt_pos'
e:\ffmpeg-1.2.1/libavfilter/avcodec.c:37: undefined reference to `av_frame_get_metadata'
libavfilter/avcodec.o: In function `avfilter_get_audio_buffer_ref_from_frame':
e:\ffmpeg-1.2.1/libavfilter/avcodec.c:96: undefined reference to `av_frame_get_channels'
e:\ffmpeg-1.2.1/libavfilter/avcodec.c:97: undefined reference to `av_frame_get_channel_layout'
e:\ffmpeg-1.2.1/libavfilter/avcodec.c:99: undefined reference to `av_frame_get_channels'
libavfilter/avcodec.o: In function `avfilter_copy_buf_props':
e:\ffmpeg-1.2.1/libavfilter/avcodec.c:144: undefined reference to `av_frame_set_pkt_pos'
e:\ffmpeg-1.2.1/libavfilter/avcodec.c:171: undefined reference to `av_frame_set_sample_rate'
e:\ffmpeg-1.2.1/libavfilter/avcodec.c:172: undefined reference to `av_frame_set_channel_layout'
e:\ffmpeg-1.2.1/libavfilter/avcodec.c:173: undefined reference to `av_frame_set_channels'
libavfilter/avfiltergraph.o: In function `pick_format':
e:\ffmpeg-1.2.1/libavfilter/avfiltergraph.c:386: undefined reference to `avcodec_find_best_pix_fmt_of_2'
libavfilter/lavfutils.o: In function `ff_load_image':
e:\ffmpeg-1.2.1/libavfilter/lavfutils.c:36: undefined reference to `av_register_all'
e:\ffmpeg-1.2.1/libavfilter/lavfutils.c:38: undefined reference to `av_find_input_format'
e:\ffmpeg-1.2.1/libavfilter/lavfutils.c:39: undefined reference to `avformat_open_input'
e:\ffmpeg-1.2.1/libavfilter/lavfutils.c:46: undefined reference to `avcodec_find_decoder'
e:\ffmpeg-1.2.1/libavfilter/lavfutils.c:53: undefined reference to `avcodec_open2'
e:\ffmpeg-1.2.1/libavfilter/lavfutils.c:58: undefined reference to `avcodec_alloc_frame'
e:\ffmpeg-1.2.1/libavfilter/lavfutils.c:64: undefined reference to `av_read_frame'
e:\ffmpeg-1.2.1/libavfilter/lavfutils.c:70: undefined reference to `avcodec_decode_video2'
e:\ffmpeg-1.2.1/libavfilter/lavfutils.c:88: undefined reference to `avcodec_close'
e:\ffmpeg-1.2.1/libavfilter/lavfutils.c:89: undefined reference to `avformat_close_input'
e:\ffmpeg-1.2.1/libavfilter/lavfutils.c:88: undefined reference to `avcodec_close'
e:\ffmpeg-1.2.1/libavfilter/lavfutils.c:89: undefined reference to `avformat_close_input'
e:\ffmpeg-1.2.1/libavfilter/lavfutils.c:88: undefined reference to `avcodec_close'
e:\ffmpeg-1.2.1/libavfilter/lavfutils.c:89: undefined reference to `avformat_close_input'
libavfilter/lswsutils.o: In function `ff_scale_image':
e:\ffmpeg-1.2.1/libavfilter/lswsutils.c:29: undefined reference to `sws_getContext'
e:\ffmpeg-1.2.1/libavfilter/lswsutils.c:45: undefined reference to `sws_scale'
e:\ffmpeg-1.2.1/libavfilter/lswsutils.c:48: undefined reference to `sws_freeContext'
collect2.exe: error: ld returned 1 exit status
make: *** [libavfilter/avfilter-3.dll] Error 1