Add VP9/Opus support, use VP8 by default
- support vp9 and opus - switch to 2 pass encoding - use ffmpeg -movflags +faststart instead of qtfaststart
This commit is contained in:
parent
aaacc48259
commit
4785f314cb
3 changed files with 94 additions and 53 deletions
|
|
@ -142,6 +142,7 @@ def load_config(init=False):
|
|||
formats = config.get('video', {}).get('formats')
|
||||
if set(old_formats) != set(formats):
|
||||
sformats = supported_formats()
|
||||
settings.FFMPEG_SUPPORTS_VP9 = 'vp9' in sformats
|
||||
if sformats:
|
||||
for f in formats:
|
||||
if f not in sformats or not sformats[f]:
|
||||
|
|
|
|||
|
|
@ -57,7 +57,10 @@ def supported_formats():
|
|||
return {
|
||||
'ogg': 'libtheora' in stdout and 'libvorbis' in stdout,
|
||||
'webm': 'libvpx' in stdout and 'libvorbis' in stdout,
|
||||
'vp8': 'libvpx' in stdout and 'libvorbis' in stdout,
|
||||
'vp9': 'libvpx-vp9' in stdout and 'libopus' in stdout,
|
||||
'mp4': 'libx264' in stdout and 'DEA.L. aac' in stdout,
|
||||
'h264': 'libx264' in stdout and 'DEA.L. aac' in stdout,
|
||||
}
|
||||
|
||||
|
||||
|
|
@ -78,6 +81,8 @@ def stream(video, target, profile, info, audio_track=0, flags={}):
|
|||
'''
|
||||
profile, format = profile.split('.')
|
||||
bpp = 0.17
|
||||
video_codec = 'libvpx'
|
||||
audio_codec = 'libvorbis'
|
||||
|
||||
if 'error' in info:
|
||||
return False, "Unsupported Format"
|
||||
|
|
@ -140,11 +145,25 @@ def stream(video, target, profile, info, audio_track=0, flags={}):
|
|||
else:
|
||||
height = 96
|
||||
|
||||
if settings.FFMPEG_SUPPORTS_VP9:
|
||||
audio_codec = 'libopus'
|
||||
video_codec = 'libvpx-vp9'
|
||||
|
||||
audiorate = 22050
|
||||
audioquality = -1
|
||||
audiobitrate = '22k'
|
||||
audiochannels = 1
|
||||
|
||||
if format == 'webm' and audio_codec == 'libopus':
|
||||
audiorate = 48000
|
||||
if not audiobitrate:
|
||||
audiobitrate = '%sk' % {
|
||||
-1: 32, 0: 48, 1: 64, 2: 96, 3: 112, 4: 128,
|
||||
5: 144, 6: 160, 7: 192, 8: 256, 9: 320, 10: 512,
|
||||
}[audioquality]
|
||||
if format == 'webm' and video_codec == 'libvpx-vp9':
|
||||
bpp = 0.15
|
||||
|
||||
if info['video'] and 'display_aspect_ratio' in info['video'][0]:
|
||||
# dont make video bigger
|
||||
height = min(height, info['video'][0]['height'])
|
||||
|
|
@ -197,11 +216,17 @@ def stream(video, target, profile, info, audio_track=0, flags={}):
|
|||
]
|
||||
if format == 'webm':
|
||||
video_settings += [
|
||||
'-c:v', video_codec,
|
||||
'-deadline', 'good',
|
||||
'-cpu-used', '0',
|
||||
'-lag-in-frames', '16',
|
||||
'-cpu-used', '1' if video_codec == 'libvpx-vp9' else '0',
|
||||
'-lag-in-frames', '25',
|
||||
'-auto-alt-ref', '1',
|
||||
]
|
||||
if video_codec == 'libvpx-vp9':
|
||||
video_settings += [
|
||||
'-tile-columns', '6',
|
||||
'-frame-parallel', '1',
|
||||
]
|
||||
if format == 'mp4':
|
||||
video_settings += [
|
||||
'-c:v', 'libx264',
|
||||
|
|
@ -232,7 +257,9 @@ def stream(video, target, profile, info, audio_track=0, flags={}):
|
|||
else:
|
||||
video_settings += ['-map', '0:%s,0:%s' % (info['audio'][audio_track]['id'], n)]
|
||||
mono_mix = False
|
||||
audio_settings = ['-ar', str(audiorate), '-aq', str(audioquality)]
|
||||
audio_settings = ['-ar', str(audiorate)]
|
||||
if audio_codec != 'libopus':
|
||||
audio_settings += ['-aq', str(audioquality)]
|
||||
if mono_mix:
|
||||
ac = 2
|
||||
else:
|
||||
|
|
@ -246,31 +273,49 @@ def stream(video, target, profile, info, audio_track=0, flags={}):
|
|||
audio_settings += ['-ab', audiobitrate]
|
||||
if format == 'mp4':
|
||||
audio_settings += ['-c:a', 'aac', '-strict', '-2']
|
||||
elif audio_codec == 'libopus':
|
||||
audio_settings += ['-c:a', 'libopus', '-frame_duration', '60']
|
||||
else:
|
||||
audio_settings += ['-c:a', 'libvorbis']
|
||||
audio_settings += ['-c:a', audio_codec]
|
||||
else:
|
||||
audio_settings = ['-an']
|
||||
|
||||
cmd = [settings.FFMPEG,
|
||||
cmds = []
|
||||
|
||||
base = [settings.FFMPEG,
|
||||
'-nostats', '-loglevel', 'error',
|
||||
'-y', '-i', video, '-threads', '4', '-map_metadata', '-1', '-sn'] \
|
||||
+ audio_settings \
|
||||
+ video_settings
|
||||
'-y', '-i', video, '-threads', '4', '-map_metadata', '-1', '-sn']
|
||||
|
||||
if format == 'webm':
|
||||
enc_target = target + '.tmp.webm'
|
||||
elif format == 'mp4':
|
||||
enc_target = target + '.tmp.mp4'
|
||||
else:
|
||||
enc_target = target
|
||||
|
||||
if format == 'webm':
|
||||
cmd += ['-f', 'webm', enc_target]
|
||||
post = ['-f', 'webm', enc_target]
|
||||
elif format == 'mp4':
|
||||
# mp4 needs postprocessing(qt-faststart), write to temp file
|
||||
cmd += ["%s.mp4" % enc_target]
|
||||
post = ['-movflags', '+faststart', '-f', 'mp4', enc_target]
|
||||
else:
|
||||
cmd += [enc_target]
|
||||
post = [target]
|
||||
if video_settings != ['-vn']:
|
||||
pass1_post = post[:]
|
||||
pass1_post[-1] = '/dev/null'
|
||||
if format == 'webm':
|
||||
pass1_post = ['-speed', '4'] + pass1_post
|
||||
post = ['-speed', '1'] + post
|
||||
cmds.append(base + ['-an', '-pass', '1', '-passlogfile', '%s.log' % target]
|
||||
+ video_settings + pass1_post)
|
||||
cmds.append(base + ['-pass', '2', '-passlogfile', '%s.log' % target]
|
||||
+ audio_settings + video_settings + post)
|
||||
else:
|
||||
cmds.append(base + audio_settings + video_settings + post)
|
||||
|
||||
# print(cmd)
|
||||
# print(cmds)
|
||||
n = 0
|
||||
for cmd in cmds:
|
||||
n += 1
|
||||
p = subprocess.Popen(cmd, stdin=subprocess.PIPE,
|
||||
stdout=subprocess.PIPE,
|
||||
stderr=subprocess.STDOUT,
|
||||
|
|
@ -278,23 +323,13 @@ def stream(video, target, profile, info, audio_track=0, flags={}):
|
|||
stdout, stderr = p.communicate()
|
||||
|
||||
if p.returncode != 0:
|
||||
t = "%s.mp4" % enc_target if format == 'mp4' else enc_target
|
||||
if os.path.exists(t):
|
||||
os.unlink(t)
|
||||
if os.path.exists(enc_target):
|
||||
os.unlink(enc_target)
|
||||
if os.path.exists(target):
|
||||
os.unlink(target)
|
||||
stdout = stdout.replace('\r\n', '\n').replace('\r', '\n')
|
||||
return False, stdout
|
||||
if format == 'mp4':
|
||||
cmd = ['qt-faststart', "%s.mp4" % enc_target, enc_target]
|
||||
# print(cmd)
|
||||
p = subprocess.Popen(cmd, stdin=subprocess.PIPE,
|
||||
stdout=open('/dev/null', 'w'),
|
||||
stderr=subprocess.STDOUT,
|
||||
close_fds=True)
|
||||
p.communicate()
|
||||
os.unlink("%s.mp4" % enc_target)
|
||||
elif format == 'webm' and audio_only:
|
||||
if format == 'webm' and audio_only:
|
||||
cmd = ['mkvmerge', '-w', '-o', target, '--cues', '-1:all', enc_target]
|
||||
p = subprocess.Popen(cmd, stdin=subprocess.PIPE,
|
||||
stdout=subprocess.PIPE,
|
||||
|
|
@ -305,6 +340,8 @@ def stream(video, target, profile, info, audio_track=0, flags={}):
|
|||
enc_target = target
|
||||
if p.returncode == 0 and enc_target != target:
|
||||
shutil.move(enc_target, target)
|
||||
for f in glob('%s.log*' % target):
|
||||
os.unlink(f)
|
||||
return True, None
|
||||
|
||||
|
||||
|
|
@ -358,7 +395,8 @@ def ffmpeg_frame_cmd(video, frame, position, height=128):
|
|||
|
||||
def ffmpeg_version():
|
||||
p = subprocess.Popen([settings.FFMPEG],
|
||||
stdout=subprocess.PIPE, stderr=subprocess.PIPE, close_fds=True)
|
||||
stdout=subprocess.PIPE,
|
||||
stderr=subprocess.PIPE, close_fds=True)
|
||||
stdout, stderr = p.communicate()
|
||||
version = stderr.split(' ')[2].split('-')[0]
|
||||
try:
|
||||
|
|
@ -414,16 +452,17 @@ def timeline(video, prefix, modes=None, size=None):
|
|||
size = [64, 16]
|
||||
if isinstance(video, basestring):
|
||||
video = [video]
|
||||
cmd = [
|
||||
os.path.join(settings.PROJECT_ROOT, '../bin/oxtimelines'),
|
||||
cmd = ['../bin/oxtimelines',
|
||||
'-s', ','.join(map(str, reversed(sorted(size)))),
|
||||
'-m', ','.join(modes),
|
||||
'-o', prefix,
|
||||
'-c', os.path.join(prefix, 'cuts.json'),
|
||||
] + video
|
||||
# print(cmd)
|
||||
p = subprocess.Popen(cmd, stdin=subprocess.PIPE,
|
||||
stdout=subprocess.PIPE, stderr=subprocess.PIPE,
|
||||
close_fds=True)
|
||||
# print(cmd)
|
||||
# p = subprocess.Popen(cmd)
|
||||
p.wait()
|
||||
|
||||
|
||||
|
|
|
|||
|
|
@ -165,6 +165,7 @@ LOGGING = {
|
|||
AUTH_PROFILE_MODULE = 'user.UserProfile'
|
||||
AUTH_CHECK_USERNAME = True
|
||||
FFMPEG = 'ffmpeg'
|
||||
FFMPEG_SUPPORTS_VP9 = True
|
||||
|
||||
#=========================================================================
|
||||
#Pan.do/ra related settings settings
|
||||
|
|
|
|||
Loading…
Reference in a new issue