seiichiro/n900-encode
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Merge branch 'feat-ffmpeg' into develop

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Switched to encoding with ffmpeg 0.10
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seiichiro 2012-02-22 20:52:45 +01:00
commit 2a7bae6e1c
2 changed files with 12 additions and 10 deletions
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README
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@ -6,8 +6,7 @@ PREQUISITES:
The following components are needed:
* mplayer
* mencoder
* MP4Box (from gpac package)
* ffmpeg (tested with version 0.10, older versions may or may not work)
* python
USAGE:

19
n900-encode.py
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@ -120,16 +120,16 @@ def calculate(input):
# Get characteristics using mplayer
cmd=[mpbin, "-ao", "null", "-vo", "null", "-frames", "0", "-identify", input]
mp = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE).communicate()
try:
s = re.compile("^ID_VIDEO_ASPECT=(.*)$", re.M)
m = s.search(mp[0])
m = s.search(bytes.decode(mp[0]))
orig_aspect = m.group(1)
s = re.compile("^ID_VIDEO_WIDTH=(.*)$", re.M)
m = s.search(mp[0])
m = s.search(bytes.decode(mp[0]))
orig_width = m.group(1)
s = re.compile("^ID_VIDEO_HEIGHT=(.*)$", re.M)
m = s.search(mp[0])
m = s.search(bytes.decode(mp[0]))
orig_height = m.group(1)
except:
print("Error: unable to identify source video, exiting!")
@ -195,13 +195,16 @@ def convert(input, output, res, abitrate, vbitrate, threads, mpopts):
"-f", "yuv4mpegpipe",
"-i", vfifo,
"-i", afifo,
"-acodec", "libfaac",
"-acodec", "aac",
"-strict", "experimental",
"-ac", "2",
"-ab", str(abitrate),
"-ar", "22500",
"-ar", "44100",
"-vcodec", "libx264",
"-threads", str(threads),
"-b", str(vbitrate),
"-vprofile", "baseline",
"-tune", "animation",
"-b:v", str(vbitrate),
"-flags", "+loop", "-cmp", "+chroma",
"-partitions", "+parti4x4+partp8x8+partb8x8",
"-subq", "5", "-trellis", "1", "-refs", "1",
@ -211,7 +214,7 @@ def convert(input, output, res, abitrate, vbitrate, threads, mpopts):
"-bt", "640", "-bufsize", "10M", "-maxrate", "1000000",
"-rc_eq", "'blurCplx^(1-qComp)'",
"-qcomp", "0.62", "-qmin", "10", "-qmax", "51",
"-level", "30", "-f", "mp4",
"-x264opts", "level=3.0", "-f", "mp4",
output ]
# Start mplayer decoding processes in background