- Input filesize vs. Output filesize (1 minute movie)
-rw-r--r-- 1 4708697 2006-11-08 02:14 p1000010.avi -rw-r--r-- 1 84961874 2006-11-05 17:12 p1000001.mov
- The input quicktime movie from Digital Camera
$ file p1000001.mov
p1000001.mov: Apple QuickTime movie (unoptimized)
$ tcprobe -i p1000001.mov
[tcprobe] Apple QuickTime movie file [probe_mov.c] audio codec=raw [probe_mov.c] video codec=jpeg [tcprobe] summary for p1000001.mov, (*) = not default, 0 = not detected import frame size: -g 640x480 [720x576] (*) frame rate: -f 30.000 [25.000] frc=5 (*) audio track: -a 0 [0] -e 8000,8,1 [48000,16,2] -n 0x1 [0x2000] (*) length: 1830 frames, frame_time=33 msec, duration=0:01:01.000
- Encode Video: Pass 1 of 2
$ time mencoder p1000001.mov -mc 0 -ovc x264 -x264encopts pass=1:turbo=1:bitrate=589:subq=6:b_pyramid:weight_b:frameref=5:bframes=3:me=3 -nosound -ofps 30000/1001 -of rawvideo -o /dev/null
MEncoder 1.0pre8-4.1.1 (C) 2000-2006 MPlayer Team CPU: Intel(R) Pentium(R) M processor 1700MHz (Family: 6, Model: 9, Stepping: 5) CPUflags: Type: 6 MMX: 1 MMX2: 1 3DNow: 0 3DNow2: 0 SSE: 1 SSE2: 1 Compiled for x86 CPU with extensions: MMX MMX2 SSE SSE2 success: format: 0 data: 0x0 - 0x5106a52 Quicktime/MOV file format detected. VIDEO: [jpeg] 640x480 24bpp 30.000 fps 0.0 kbps ( 0.0 kbyte/s) [V] filefmt:7 fourcc:0x6765706A size:640x480 fps:30.00 ftime:=0.0333 Opening video filter: [expand osd=1] Expand: -1 x -1, -1 ; -1, osd: 1, aspect: 0.000000, round: 1 ========================================================================== Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family Selected video codec: [ffmjpeg] vfm: ffmpeg (FFmpeg MJPEG decoder) ========================================================================== VDec: vo config request - 640 x 480 (preferred colorspace: Planar YV12) Could not find matching colorspace - retrying with -vf scale... Opening video filter: [scale] VDec: using Planar YV12 as output csp (no 3) Movie-Aspect is undefined - no prescaling applied. SwScaler: using unscaled Planar YV12 -> Planar YV12 special converter x264 [info]: using SAR=1/1 x264 [info]: using cpu capabilities MMX MMXEXT SSE SSE2 Pos: 33.3s 1000f ( 0%) 8.29fps Trem: 0min 0mb A-V:0.000 [589:0] Skipping frame! Pos: 60.9s 1830f ( 0%) 8.97fps Trem: 0min 0mb A-V:0.000 [541:0] Flushing video frames Video stream: 541.695 kbit/s (67711 B/s) size: 4132297 bytes 61.028 secs 1830 frames x264 [info]: slice I:9 Avg QP:27.00 size: 17738 x264 [info]: slice P:873 Avg QP:30.55 size: 3453 x264 [info]: slice B:947 Avg QP:31.29 size: 1011 x264 [info]: mb I I16..4: 53.4% 0.0% 46.6% x264 [info]: mb P I16..4: 15.6% 0.0% 2.5% P16..4: 40.8% 7.2% 1.0% 0.0% 0.0% skip:33.0% x264 [info]: mb B I16..4: 0.3% 0.0% 0.2% B16..8: 17.6% 0.0% 0.0% direct: 6.8% skip:75.1% x264 [info]: final ratefactor: 26.98 x264 [info]: ref P 68.8% 19.7% 11.6% x264 [info]: ref B 68.4% 21.7% 9.9% x264 [info]: kb/s:541.6 real 3m24.324s user 2m50.146s sys 0m0.601s
Encode Video: Pass 2 of 2
$ time mencoder p1000001.mov -mc 0 -ovc x264 -x264encopts pass=2:bitrate=589:subq=6:b_pyramid:weight_b:frameref=5:bframes=3:me=3 -nosound -ofps 30000/1001 -of rawvideo -o video.264 MEncoder 1.0pre8-4.1.1 (C) 2000-2006 MPlayer Team CPU: Intel(R) Pentium(R) M processor 1700MHz (Family: 6, Model: 9, Stepping: 5) CPUflags: Type: 6 MMX: 1 MMX2: 1 3DNow: 0 3DNow2: 0 SSE: 1 SSE2: 1 Compiled for x86 CPU with extensions: MMX MMX2 SSE SSE2 success: format: 0 data: 0x0 - 0x5106a52 Quicktime/MOV file format detected. VIDEO: [jpeg] 640x480 24bpp 30.000 fps 0.0 kbps ( 0.0 kbyte/s) [V] filefmt:7 fourcc:0x6765706A size:640x480 fps:30.00 ftime:=0.0333 Opening video filter: [expand osd=1] Expand: -1 x -1, -1 ; -1, osd: 1, aspect: 0.000000, round: 1 ========================================================================== Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family Selected video codec: [ffmjpeg] vfm: ffmpeg (FFmpeg MJPEG decoder) ========================================================================== VDec: vo config request - 640 x 480 (preferred colorspace: Planar YV12) Could not find matching colorspace - retrying with -vf scale... Opening video filter: [scale] VDec: using Planar YV12 as output csp (no 3) Movie-Aspect is undefined - no prescaling applied. SwScaler: using unscaled Planar YV12 -> Planar YV12 special converter x264 [info]: using SAR=1/1 x264 [info]: using cpu capabilities MMX MMXEXT SSE SSE2 Pos: 33.3s 1000f ( 0%) 4.49fps Trem: 0min 0mb A-V:0.000 [693:0] Skipping frame! Pos: 60.9s 1830f ( 0%) 5.26fps Trem: 0min 0mb A-V:0.000 [587:0] Flushing video frames Video stream: 586.597 kbit/s (73324 B/s) size: 4474826 bytes 61.028 secs 1830 frames x264 [info]: slice I:9 Avg QP:26.78 size: 16429 x264 [info]: slice P:873 Avg QP:29.46 size: 3828 x264 [info]: slice B:947 Avg QP:30.47 size: 1040 x264 [info]: mb I I16..4: 56.8% 0.0% 43.2% x264 [info]: mb P I16..4: 14.9% 0.0% 3.1% P16..4: 44.0% 6.7% 1.0% 0.0% 0.0% skip:30.3% x264 [info]: mb B I16..4: 0.3% 0.0% 0.1% B16..8: 17.7% 0.4% 0.7% direct: 5.4% skip:75.3% x264 [info]: ref P 67.4% 16.5% 8.7% 3.9% 3.4% x264 [info]: ref B 71.2% 15.9% 6.4% 3.6% 2.9% x264 [info]: kb/s:586.5 real 5m48.617s user 4m50.656s sys 0m1.194s
$ MP4Box -fps 29.97 -add video.264 video.mp4 Adjusting AVC SizeLength to 16 bits
AVC-H264 import - frame size 640 x 480 at 29.9700 FPS
Import results: 1829 samples - Slices: 9 I 873 P 947 B - 1 SEI - 9 IDR
Stream uses B-slice references - max frame delay 2
Saving to video.mp4: 0.500 secs Interleaving
Encode .wav into .ogg
$ oggenc -q4 audio.wav Opening with wav module: WAV file reader
Encoding "audio.wav" to
"audio.ogg"
at quality 4.00
[ 99.0%] [ 0m00s remaining] -
Done encoding file "audio.ogg"
File length: 1m 01.0s
Elapsed time: 0m 00.6s
Rate: 104.6765
Average bitrate: 26.7 kb/s
Audio to .wav
$ mplayer p1000001.mov -vc dummy -vo null -af volnorm -ao pcm:file=audio.wav MPlayer 1.0pre8-4.1.1 (C) 2000-2006 MPlayer Team CPU: Intel(R) Pentium(R) M processor 1700MHz (Family: 6, Model: 9, Stepping: 5) CPUflags: MMX: 1 MMX2: 1 3DNow: 0 3DNow2: 0 SSE: 1 SSE2: 1 Compiled for x86 CPU with extensions: MMX MMX2 SSE SSE2 Playing p1000001.mov. Quicktime/MOV file format detected. VIDEO: [jpeg] 640x480 24bpp 30.000 fps 0.0 kbps ( 0.0 kbyte/s) ========================================================================== Opening audio decoder: [pcm] Uncompressed PCM audio decoder AUDIO: 8000 Hz, 1 ch, u8, 64.0 kbit/100.00% (ratio: 8000->8000) Selected audio codec: [pcm] afm: pcm (Uncompressed PCM) ========================================================================== ========================================================================== Forced video codec: dummy Cannot find codec matching selected -vo and video format 0x6765706A. Read DOCS/HTML/en/codecs.html! ========================================================================== [AO PCM] File: audio.wav (WAVE) PCM: Samplerate: 8000Hz Channels: Mono Format s16le [AO PCM] Info: Faster dumping is achieved with -vc null -vo null -ao pcm:fast [AO PCM] Info: To write WAVE files use -ao pcm:waveheader (default). AO: [pcm] 8000Hz 1ch s16le (2 bytes per sample) Video: no video Starting playback... A: 61.0 (01:01.0) of 61.0 (01:01.0) 0.0% Exiting... (End of file)
$ mkvmerge -o p100001.avi video.mp4 audio.ogg mkvmerge v1.7.0 ('What Do You Take Me For') built on Nov 7 2006 12:14:56
'video.mp4': Using the Quicktime/MP4 demultiplexer.
'audio.ogg': Using the OGG/OGM demultiplexer.
Track 1 of 'video.mp4': Extracted the aspect ratio information from the MPEG-4 layer 10 (AVC) video data and set the display dimensions to 640/480.
'video.mp4' track 1: Using the MPEG-4 part 10 (AVC) video output module.
'audio.ogg' track 0: Using the Vorbis output module.
The file 'final.avi' has been opened for writing.
progress: 100%
The cue entries (the index) are being written...
Muxing took 0 seconds.
$ mkvinfo final.avi + EBML head
|+ Doc type: matroska
|+ Doc type version: 1
|+ Doc type read version: 1
+ Segment, size 4708649
|+ Seek head (subentries will be skipped)
|+ EbmlVoid (size: 4029)
|+ Segment information
| + Timecode scale: 1000000
| + Muxing application: libebml v0.7.7 + libmatroska v0.8.0
| + Writing application: mkvmerge v1.7.0 ('What Do You Take Me For') built on Nov 7 2006 12:14:56
| + Duration: 61.040s (00:01:01.040000000)
| + Date: Tue Nov 7 18:14:02 2006 UTC
| + Segment UID: 0x2d 0x72 0x49 0xbf 0x9e 0x40 0x74 0xd0 0xfd 0x4e 0x69 0x99 0x43 0x95 0xa7 0x23
|+ Segment tracks
| + A track
| + Track number: 1
| + Track UID: 4092985233
| + Track type: video
| + Enabled: 1
| + Default flag: 1
| + Forced flag: 0
| + Lacing flag: 0
| + MinCache: 1
| + Timecode scale: 1.000000
| + Max BlockAddition ID: 0
| + Codec ID: V_MPEG4/ISO/AVC
| + Codec decode all: 1
| + CodecPrivate, length 38
| + Default duration: 33.385ms (29.954 fps for a video track)
| + Language: und
| + Video track
| + Pixel width: 640
| + Pixel height: 480
| + Interlaced: 0
| + Display width: 640
| + Display height: 480
| + A track
| + Track number: 2
| + Track UID: 387038320
| + Track type: audio
| + Enabled: 1
| + Default flag: 1
| + Forced flag: 0
| + Lacing flag: 1
| + MinCache: 0
| + Timecode scale: 1.000000
| + Max BlockAddition ID: 0
| + Codec ID: A_VORBIS
| + Codec decode all: 1
| + CodecPrivate, length 2581
| + Language: und
| + Audio track
| + Sampling frequency: 8000.000000
| + Channels: 1
|+ EbmlVoid (size: 1024)
|+ Cluster
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