testing FFmpeg example

decoding_encoding

[root@localhost examples]# pwd

/home/ffmpeg_sources/ffmpeg-2.1.1/doc/examples

[root@localhost examples]# make

[root@localhost examples]# decoding_encoding h264

Encode video file test.h264

[libx264 @ 0x88ee020] using cpu capabilities: MMX2 SSE2Fast SSSE3 Cache64

[libx264 @ 0x88ee020] profile High, level 1.3

Write frame  13 (size= 2037)

Write frame  14 (size=  607)

Write frame  15 (size=  118)

Write frame  16 (size=  802)

Write frame  17 (size=  193)

Write frame  18 (size=  881)

Write frame  19 (size= 1243)

Write frame  20 (size=  852)

Write frame  21 (size= 1231)

Write frame  22 (size=  661)

Write frame  23 (size= 2786)

Write frame  24 (size= 1003)

Write frame  25 (size=  691)

Write frame  26 (size=  825)

Write frame  27 (size=  615)

Write frame  28 (size=  780)

Write frame  29 (size=  798)

Write frame  30 (size= 1127)

Write frame  31 (size=  713)

Write frame  32 (size=  686)

Write frame  33 (size= 2765)

Write frame  34 (size= 1161)

Write frame  35 (size= 1211)

Write frame  36 (size=  666)

Write frame  37 (size=  751)

[libx264 @ 0x88ee020] frame I:3     Avg QP:23.06  size:  2529

[libx264 @ 0x88ee020] frame P:12    Avg QP:20.18  size:   918

[libx264 @ 0x88ee020] frame B:10    Avg QP:23.95  size:   660

[libx264 @ 0x88ee020] consecutive B-frames: 20.0% 80.0%

[libx264 @ 0x88ee020] mb I  I16..4: 77.9% 12.0% 10.2%

[libx264 @ 0x88ee020] mb P  I16..4: 76.1%  1.1%  0.2%  P16..4: 21.8%  0.6%  0.2%  0.0%  0.0%    skip: 0.0%

[libx264 @ 0x88ee020] mb B  I16..4:  0.0%  0.0%  0.0%  B16..8: 22.9%  0.6%  0.0%  direct:11.6%  skip:64.8%  L0:15.7% L1:54.2% BI:30.1%

[libx264 @ 0x88ee020] final ratefactor: 13.84

[libx264 @ 0x88ee020] 8x8 transform intra:4.0% inter:62.4%

[libx264 @ 0x88ee020] direct mvs  spatial:0.0% temporal:100.0%

[libx264 @ 0x88ee020] coded y,uvDC,uvAC intra: 5.4% 28.9% 6.3% inter: 2.1% 44.1% 8.5%

[libx264 @ 0x88ee020] i16 v,h,dc,p:  0%  0%  0% 100%

[libx264 @ 0x88ee020] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu:  9% 33% 10% 48%  0%  0%  0%  0%  0%

[libx264 @ 0x88ee020] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu:  9%  6% 12% 59%  0%  5%  2%  7%  1%

[libx264 @ 0x88ee020] i8c dc,h,v,p:  1%  7%  5% 87%

[libx264 @ 0x88ee020] Weighted P-Frames: Y:0.0% UV:0.0%

[libx264 @ 0x88ee020] ref P L0: 97.6%  0.7%  1.4%  0.1%  0.1%

[libx264 @ 0x88ee020] ref B L0: 36.7% 37.9% 23.3%  2.1%

[libx264 @ 0x88ee020] kb/s:201.62

[root@localhost examples]# ls

decoding_encoding    demuxing.o         filtering_video.c  metadata.o      README              scaling_video.c

decoding_encoding.c  filtering_audio    filtering_video.o  muxing          resampling_audio    scaling_video.o

decoding_encoding.o  filtering_audio.c  Makefile           muxing.c        resampling_audio.c  tags

demuxing             filtering_audio.o  metadata           muxing.o        resampling_audio.o  test.h264

demuxing.c           filtering_video    metadata.c         pc-uninstalled  scaling_video

 

 

生成视频test.h264文件

 

[root@localhost examples]# decoding_encoding mp2

Encode audio file test.mp2

Decode audio file test.mp2 to test.sw

[root@localhost examples]# ls

decoding_encoding    demuxing.o         filtering_video.c  metadata.o      README              scaling_video.c  test.sw

decoding_encoding.c  filtering_audio    filtering_video.o  muxing          resampling_audio    scaling_video.o

decoding_encoding.o  filtering_audio.c  Makefile           muxing.c        resampling_audio.c  tags

demuxing             filtering_audio.o  metadata           muxing.o        resampling_audio.o  test.h264

demuxing.c           filtering_video    metadata.c         pc-uninstalled  scaling_video       test.mp2

 

生成音频test.mp2文件和test.sw，即MPEG-1  layer2

 

[root@localhost examples]# decoding_encoding mpg

[root@localhost examples]# ls

decoding_encoding    filtering_audio.c  metadata.c      resampling_audio    test00.pgm  test07.pgm  test14.pgm  test21.pgm  test.sw

decoding_encoding.c  filtering_audio.o  metadata.o      resampling_audio.c  test01.pgm  test08.pgm  test15.pgm  test22.pgm

decoding_encoding.o  filtering_video    muxing          resampling_audio.o  test02.pgm  test09.pgm  test16.pgm  test23.pgm

demuxing             filtering_video.c  muxing.c        scaling_video       test03.pgm  test10.pgm  test17.pgm  test24.pgm

demuxing.c           filtering_video.o  muxing.o        scaling_video.c     test04.pgm  test11.pgm  test18.pgm  test.h264

demuxing.o           Makefile           pc-uninstalled  scaling_video.o     test05.pgm  test12.pgm  test19.pgm  test.mp2

filtering_audio      metadata           README          tags                test06.pgm  test13.pgm  test20.pgm  test.mpg

 

 

生成视频MPEG-1 文件test.mpg 和多个pgm文件