|
1
|
|
|
""" |
|
2
|
|
|
ffmpeg_streaming.build_args |
|
3
|
|
|
~~~~~~~~~~~~ |
|
4
|
|
|
|
|
5
|
|
|
Build a command for the FFmpeg |
|
6
|
|
|
|
|
7
|
|
|
|
|
8
|
|
|
:copyright: (c) 2020 by Amin Yazdanpanah. |
|
9
|
|
|
:website: https://www.aminyazdanpanah.com |
|
10
|
|
|
:email: [email protected] |
|
11
|
|
|
:license: MIT, see LICENSE for more details. |
|
12
|
|
|
""" |
|
13
|
|
|
import sys |
|
14
|
|
|
|
|
15
|
|
|
from ._utiles import cnv_options_to_args, get_path_info, clean_args |
|
16
|
|
|
|
|
17
|
|
|
|
|
18
|
|
|
def _stream2file(stream2file): |
|
19
|
|
|
""" |
|
20
|
|
|
@TODO: add documentation |
|
21
|
|
|
""" |
|
22
|
|
|
args = stream2file.format.all |
|
23
|
|
|
args.update({'c': 'copy'}) |
|
24
|
|
|
args.update(stream2file.options) |
|
25
|
|
|
|
|
26
|
|
|
return cnv_options_to_args(args) + [stream2file.output_] |
|
27
|
|
|
|
|
28
|
|
|
|
|
29
|
|
|
def _get_audio_bitrate(rep, index: int = None): |
|
30
|
|
|
""" |
|
31
|
|
|
@TODO: add documentation |
|
32
|
|
|
""" |
|
33
|
|
|
if rep.bitrate.audio_ is not None and rep.bitrate.audio_ != 0: |
|
34
|
|
|
opt = 'b:a' if index is None else 'b:a:' + str(index) |
|
35
|
|
|
return {opt: rep.bitrate.audio} |
|
36
|
|
|
|
|
37
|
|
|
return {} |
|
38
|
|
|
|
|
39
|
|
|
|
|
40
|
|
|
def _get_dash_stream(key, rep): |
|
41
|
|
|
""" |
|
42
|
|
|
@TODO: add documentation |
|
43
|
|
|
""" |
|
44
|
|
|
args = { |
|
45
|
|
|
'map': 0, |
|
46
|
|
|
's:v:' + str(key): rep.size.normalize, |
|
47
|
|
|
'b:v:' + str(key): rep.bitrate.normalize_video() |
|
48
|
|
|
} |
|
49
|
|
|
args.update(_get_audio_bitrate(rep, key)) |
|
50
|
|
|
return cnv_options_to_args(args) |
|
51
|
|
|
|
|
52
|
|
|
|
|
53
|
|
|
def _dash(dash): |
|
54
|
|
|
""" |
|
55
|
|
|
@TODO: add documentation |
|
56
|
|
|
""" |
|
57
|
|
|
dirname, name = get_path_info(dash.output_) |
|
58
|
|
|
_args = dash.format.all |
|
59
|
|
|
_args.update({ |
|
60
|
|
|
'use_timeline': 1, |
|
61
|
|
|
'use_template': 1, |
|
62
|
|
|
'init_seg_name': '{}_init_$RepresentationID$.$ext$'.format(name), |
|
63
|
|
|
"media_seg_name": '{}_chunk_$RepresentationID$_$Number%05d$.$ext$'.format(name), |
|
64
|
|
|
'f': 'dash' |
|
65
|
|
|
}) |
|
66
|
|
|
_args.update(dash.options) |
|
67
|
|
|
args = cnv_options_to_args(_args) |
|
68
|
|
|
|
|
69
|
|
|
for key, rep in enumerate(dash.reps): |
|
70
|
|
|
args += _get_dash_stream(key, rep) |
|
71
|
|
|
|
|
72
|
|
|
return args + ['-strict', '-2', '{}/{}.mpd'.format(dirname, name)] |
|
73
|
|
|
|
|
74
|
|
|
|
|
75
|
|
|
def _hls_seg_ext(hls): |
|
76
|
|
|
""" |
|
77
|
|
|
@TODO: add documentation |
|
78
|
|
|
""" |
|
79
|
|
|
return 'm4s' if hls.options.get('hls_segment_type', '') == 'fmp4' else 'ts' |
|
80
|
|
|
|
|
81
|
|
|
|
|
82
|
|
|
def _get_hls_stream(hls, rep, dirname, name): |
|
83
|
|
|
""" |
|
84
|
|
|
@TODO: add documentation |
|
85
|
|
|
""" |
|
86
|
|
|
args = hls.format.all |
|
87
|
|
|
args.update({ |
|
88
|
|
|
'hls_list_size': 0, |
|
89
|
|
|
'hls_time': 10, |
|
90
|
|
|
'hls_allow_cache': 1, |
|
91
|
|
|
'hls_segment_filename': "{}/{}_{}p_%04d.{}".format(dirname, name, str(rep.size.height), _hls_seg_ext(hls)), |
|
92
|
|
|
'hls_fmp4_init_filename': "{}_{}p_init.mp4".format(name, str(rep.size.height)), |
|
93
|
|
|
's:v': rep.size.normalize, |
|
94
|
|
|
'b:v': rep.bitrate.normalize_video() |
|
95
|
|
|
}) |
|
96
|
|
|
args.update(_get_audio_bitrate(rep)) |
|
97
|
|
|
args.update({'strict': '-2'}) |
|
98
|
|
|
args.update(hls.options) |
|
99
|
|
|
|
|
100
|
|
|
return cnv_options_to_args(args) + ["{}/{}_{}p.m3u8".format(dirname, name, str(rep.size.height))] |
|
101
|
|
|
|
|
102
|
|
|
|
|
103
|
|
|
def _hls(hls): |
|
104
|
|
|
""" |
|
105
|
|
|
@TODO: add documentation |
|
106
|
|
|
""" |
|
107
|
|
|
dirname, name = get_path_info(hls.output_) |
|
108
|
|
|
streams = [] |
|
109
|
|
|
for key, rep in enumerate(hls.reps): |
|
110
|
|
|
if key > 0: |
|
111
|
|
|
streams += input_args(hls) |
|
112
|
|
|
streams += _get_hls_stream(hls, rep, dirname, name) |
|
113
|
|
|
|
|
114
|
|
|
return streams |
|
115
|
|
|
|
|
116
|
|
|
|
|
117
|
|
|
def stream_args(media): |
|
118
|
|
|
""" |
|
119
|
|
|
@TODO: add documentation |
|
120
|
|
|
""" |
|
121
|
|
|
return getattr(sys.modules[__name__], "_%s" % type(media).__name__.lower())(media) |
|
122
|
|
|
|
|
123
|
|
|
|
|
124
|
|
|
def input_args(media): |
|
125
|
|
|
inputs = [] |
|
126
|
|
|
for key, _input in enumerate(media.media.inputs.inputs): |
|
127
|
|
|
_input = dict(_input) |
|
128
|
|
|
_input.pop('is_tmp', None) |
|
129
|
|
|
if key > 0: |
|
130
|
|
|
_input.pop('y', None) |
|
131
|
|
|
inputs += cnv_options_to_args(_input) |
|
132
|
|
|
|
|
133
|
|
|
return inputs |
|
134
|
|
|
|
|
135
|
|
|
|
|
136
|
|
|
def command_builder(ffmpeg_bin: str, media): |
|
137
|
|
|
""" |
|
138
|
|
|
@TODO: add documentation |
|
139
|
|
|
""" |
|
140
|
|
|
return " ".join(clean_args([ffmpeg_bin] + input_args(media) + stream_args(media))) |
|
141
|
|
|
|
|
142
|
|
|
|
aminyazdanpanah /
python-ffmpeg-video-streaming
