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mp4-dash-encode Windows Fixes #110

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merged 2 commits into from
Dec 12, 2016
Merged

mp4-dash-encode Windows Fixes #110

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4306f77
Use double quotes for force_key_frames to fix running on Windows
TcT2k Dec 2, 2016
1ae6e00
Add audio-codec option to mp4-dash-encode
TcT2k Dec 2, 2016
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6 changes: 4 additions & 2 deletions Source/Python/utils/mp4-dash-encode.py
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Original file line number Diff line number Diff line change
Expand Up @@ -111,6 +111,8 @@ def main():
help="Video Codec: libx264 (default) or libx265")
parser.add_option('-a', '--audio-bitrate', dest='audio_bitrate', type='int',
help="Audio bitrate (default: 128kbps)", default=128)
parser.add_option('--audio-codec', dest='audio_codec', default='libfdk_aac',
help='Audio Codec: libfdk_aac (default) or aac')
parser.add_option('', '--select-streams', dest='select_streams',
help="Only encode these streams (comma-separated list of stream indexes or stream specifiers)")
parser.add_option('-s', '--segment-size', dest='segment_size', type='int',
Expand Down Expand Up @@ -160,7 +162,7 @@ def main():
for i in range(options.bitrates):
output_filename = os.path.join(options.output_dir, 'video_%05d.mp4' % int(bitrates[i]))
temp_filename = output_filename+'_'
base_cmd = 'ffmpeg -i "%s" -strict experimental -codec:a libfdk_aac -ac 2 -ab %dk -preset slow -map_metadata -1 -codec:v %s' % (args[0], options.audio_bitrate, options.video_codec)
base_cmd = 'ffmpeg -i "%s" -strict experimental -codec:a %s -ac 2 -ab %dk -preset slow -map_metadata -1 -codec:v %s' % (args[0], options.audio_codec, options.audio_bitrate, options.video_codec)
if options.video_codec == 'libx264':
base_cmd += ' -profile:v baseline'
if options.text_overlay:
Expand All @@ -186,7 +188,7 @@ def main():

#x264_opts = "-x264opts keyint=%d:min-keyint=%d:scenecut=0:rc-lookahead=%d" % (options.segment_size, options.segment_size, options.segment_size)
#video_opts = "-g %d" % (options.segment_size)
video_opts = "-force_key_frames 'expr:eq(mod(n,%d),0)'" % (options.segment_size)
video_opts = '-force_key_frames "expr:eq(mod(n,%d),0)"' % (options.segment_size)
video_opts += " -bufsize %dk -maxrate %dk" % (bitrates[i], int(bitrates[i]*1.5))
if options.video_codec == 'libx264':
video_opts += " -x264opts rc-lookahead=%d" % (options.segment_size)
Expand Down