Struct ffmpeg_the_third::codec::audio::Audio

source · 
pub struct Audio { /* private fields */ }

Implementations§

source§

impl Audio

source

pub unsafe fn new(codec: Codec) -> Audio

source§

impl Audio

source

pub fn rates(&self) -> Option<RateIter>

Examples found in repository?
examples/codec-info.rs (line 38)
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110

fn main() {
    ffmpeg::init().unwrap();

    for arg in env::args().skip(1) {
        if let Some(codec) = ffmpeg::decoder::find_by_name(&arg) {
            println!("type: decoder");
            println!("\t id: {:?}", codec.id());
            println!("\t name: {}", codec.name());
            println!("\t description: {}", codec.description());
            println!("\t medium: {:?}", codec.medium());
            println!("\t capabilities: {:?}", codec.capabilities());

            if let Some(profiles) = codec.profiles() {
                println!("\t profiles: {:?}", profiles.collect::<Vec<_>>());
            } else {
                println!("\t profiles: none");
            }

            if let Ok(video) = codec.video() {
                if let Some(rates) = video.rates() {
                    println!("\t rates: {:?}", rates.collect::<Vec<_>>());
                } else {
                    println!("\t rates: any");
                }

                if let Some(formats) = video.formats() {
                    println!("\t formats: {:?}", formats.collect::<Vec<_>>());
                } else {
                    println!("\t formats: any");
                }
            }

            if let Ok(audio) = codec.audio() {
                if let Some(rates) = audio.rates() {
                    println!("\t rates: {:?}", rates.collect::<Vec<_>>());
                } else {
                    println!("\t rates: any");
                }

                if let Some(formats) = audio.formats() {
                    println!("\t formats: {:?}", formats.collect::<Vec<_>>());
                } else {
                    println!("\t formats: any");
                }

                if let Some(layouts) = audio.channel_layouts() {
                    println!("\t channel_layouts: {:?}", layouts.collect::<Vec<_>>());
                } else {
                    println!("\t channel_layouts: any");
                }
            }

            println!("\t max_lowres: {:?}", codec.max_lowres());
        }

        if let Some(codec) = ffmpeg::encoder::find_by_name(&arg) {
            println!();
            println!("type: encoder");
            println!("\t id: {:?}", codec.id());
            println!("\t name: {}", codec.name());
            println!("\t description: {}", codec.description());
            println!("\t medium: {:?}", codec.medium());
            println!("\t capabilities: {:?}", codec.capabilities());

            if let Some(profiles) = codec.profiles() {
                println!("\t profiles: {:?}", profiles.collect::<Vec<_>>());
            }

            if let Ok(video) = codec.video() {
                if let Some(rates) = video.rates() {
                    println!("\t rates: {:?}", rates.collect::<Vec<_>>());
                } else {
                    println!("\t rates: any");
                }

                if let Some(formats) = video.formats() {
                    println!("\t formats: {:?}", formats.collect::<Vec<_>>());
                } else {
                    println!("\t formats: any");
                }
            }

            if let Ok(audio) = codec.audio() {
                if let Some(rates) = audio.rates() {
                    println!("\t rates: {:?}", rates.collect::<Vec<_>>());
                } else {
                    println!("\t rates: any");
                }

                if let Some(formats) = audio.formats() {
                    println!("\t formats: {:?}", formats.collect::<Vec<_>>());
                } else {
                    println!("\t formats: any");
                }

                if let Some(layouts) = audio.channel_layouts() {
                    println!("\t channel_layouts: {:?}", layouts.collect::<Vec<_>>());
                } else {
                    println!("\t channel_layouts: any");
                }
            }

            println!("\t max_lowres: {:?}", codec.max_lowres());
        }
    }
}
source

pub fn formats(&self) -> Option<FormatIter>

Examples found in repository?
examples/transcode-audio.rs (line 105)
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132

fn transcoder<P: AsRef<Path>>(
    ictx: &mut format::context::Input,
    octx: &mut format::context::Output,
    path: &P,
    filter_spec: &str,
) -> Result<Transcoder, ffmpeg::Error> {
    let input = ictx
        .streams()
        .best(media::Type::Audio)
        .expect("could not find best audio stream");
    let context = ffmpeg::codec::context::Context::from_parameters(input.parameters())?;
    let mut decoder = context.decoder().audio()?;
    let codec = ffmpeg::encoder::find(octx.format().codec(path, media::Type::Audio))
        .expect("failed to find encoder")
        .audio()?;
    let global = octx
        .format()
        .flags()
        .contains(ffmpeg::format::flag::Flags::GLOBAL_HEADER);

    decoder.set_parameters(input.parameters())?;

    let mut output = octx.add_stream(codec)?;
    let context = ffmpeg::codec::context::Context::from_parameters(output.parameters())?;
    let mut encoder = context.encoder().audio()?;

    let channel_layout = codec
        .channel_layouts()
        .map(|cls| cls.best(decoder.channel_layout().channels()))
        .unwrap_or(ffmpeg::channel_layout::ChannelLayout::STEREO);

    if global {
        encoder.set_flags(ffmpeg::codec::flag::Flags::GLOBAL_HEADER);
    }

    encoder.set_rate(decoder.rate() as i32);
    encoder.set_channel_layout(channel_layout);
    encoder.set_channels(channel_layout.channels());
    encoder.set_format(
        codec
            .formats()
            .expect("unknown supported formats")
            .next()
            .unwrap(),
    );
    encoder.set_bit_rate(decoder.bit_rate());
    encoder.set_max_bit_rate(decoder.max_bit_rate());

    encoder.set_time_base((1, decoder.rate() as i32));
    output.set_time_base((1, decoder.rate() as i32));

    let encoder = encoder.open_as(codec)?;
    output.set_parameters(&encoder);

    let filter = filter(filter_spec, &decoder, &encoder)?;

    let in_time_base = decoder.time_base();
    let out_time_base = output.time_base();

    Ok(Transcoder {
        stream: input.index(),
        filter,
        decoder,
        encoder,
        in_time_base,
        out_time_base,
    })
}
More examples
Hide additional examples
examples/codec-info.rs (line 44)
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110

fn main() {
    ffmpeg::init().unwrap();

    for arg in env::args().skip(1) {
        if let Some(codec) = ffmpeg::decoder::find_by_name(&arg) {
            println!("type: decoder");
            println!("\t id: {:?}", codec.id());
            println!("\t name: {}", codec.name());
            println!("\t description: {}", codec.description());
            println!("\t medium: {:?}", codec.medium());
            println!("\t capabilities: {:?}", codec.capabilities());

            if let Some(profiles) = codec.profiles() {
                println!("\t profiles: {:?}", profiles.collect::<Vec<_>>());
            } else {
                println!("\t profiles: none");
            }

            if let Ok(video) = codec.video() {
                if let Some(rates) = video.rates() {
                    println!("\t rates: {:?}", rates.collect::<Vec<_>>());
                } else {
                    println!("\t rates: any");
                }

                if let Some(formats) = video.formats() {
                    println!("\t formats: {:?}", formats.collect::<Vec<_>>());
                } else {
                    println!("\t formats: any");
                }
            }

            if let Ok(audio) = codec.audio() {
                if let Some(rates) = audio.rates() {
                    println!("\t rates: {:?}", rates.collect::<Vec<_>>());
                } else {
                    println!("\t rates: any");
                }

                if let Some(formats) = audio.formats() {
                    println!("\t formats: {:?}", formats.collect::<Vec<_>>());
                } else {
                    println!("\t formats: any");
                }

                if let Some(layouts) = audio.channel_layouts() {
                    println!("\t channel_layouts: {:?}", layouts.collect::<Vec<_>>());
                } else {
                    println!("\t channel_layouts: any");
                }
            }

            println!("\t max_lowres: {:?}", codec.max_lowres());
        }

        if let Some(codec) = ffmpeg::encoder::find_by_name(&arg) {
            println!();
            println!("type: encoder");
            println!("\t id: {:?}", codec.id());
            println!("\t name: {}", codec.name());
            println!("\t description: {}", codec.description());
            println!("\t medium: {:?}", codec.medium());
            println!("\t capabilities: {:?}", codec.capabilities());

            if let Some(profiles) = codec.profiles() {
                println!("\t profiles: {:?}", profiles.collect::<Vec<_>>());
            }

            if let Ok(video) = codec.video() {
                if let Some(rates) = video.rates() {
                    println!("\t rates: {:?}", rates.collect::<Vec<_>>());
                } else {
                    println!("\t rates: any");
                }

                if let Some(formats) = video.formats() {
                    println!("\t formats: {:?}", formats.collect::<Vec<_>>());
                } else {
                    println!("\t formats: any");
                }
            }

            if let Ok(audio) = codec.audio() {
                if let Some(rates) = audio.rates() {
                    println!("\t rates: {:?}", rates.collect::<Vec<_>>());
                } else {
                    println!("\t rates: any");
                }

                if let Some(formats) = audio.formats() {
                    println!("\t formats: {:?}", formats.collect::<Vec<_>>());
                } else {
                    println!("\t formats: any");
                }

                if let Some(layouts) = audio.channel_layouts() {
                    println!("\t channel_layouts: {:?}", layouts.collect::<Vec<_>>());
                } else {
                    println!("\t channel_layouts: any");
                }
            }

            println!("\t max_lowres: {:?}", codec.max_lowres());
        }
    }
}
source

pub fn channel_layouts(&self) -> Option<ChannelLayoutIter>

Examples found in repository?
examples/transcode-audio.rs (line 92)
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132

fn transcoder<P: AsRef<Path>>(
    ictx: &mut format::context::Input,
    octx: &mut format::context::Output,
    path: &P,
    filter_spec: &str,
) -> Result<Transcoder, ffmpeg::Error> {
    let input = ictx
        .streams()
        .best(media::Type::Audio)
        .expect("could not find best audio stream");
    let context = ffmpeg::codec::context::Context::from_parameters(input.parameters())?;
    let mut decoder = context.decoder().audio()?;
    let codec = ffmpeg::encoder::find(octx.format().codec(path, media::Type::Audio))
        .expect("failed to find encoder")
        .audio()?;
    let global = octx
        .format()
        .flags()
        .contains(ffmpeg::format::flag::Flags::GLOBAL_HEADER);

    decoder.set_parameters(input.parameters())?;

    let mut output = octx.add_stream(codec)?;
    let context = ffmpeg::codec::context::Context::from_parameters(output.parameters())?;
    let mut encoder = context.encoder().audio()?;

    let channel_layout = codec
        .channel_layouts()
        .map(|cls| cls.best(decoder.channel_layout().channels()))
        .unwrap_or(ffmpeg::channel_layout::ChannelLayout::STEREO);

    if global {
        encoder.set_flags(ffmpeg::codec::flag::Flags::GLOBAL_HEADER);
    }

    encoder.set_rate(decoder.rate() as i32);
    encoder.set_channel_layout(channel_layout);
    encoder.set_channels(channel_layout.channels());
    encoder.set_format(
        codec
            .formats()
            .expect("unknown supported formats")
            .next()
            .unwrap(),
    );
    encoder.set_bit_rate(decoder.bit_rate());
    encoder.set_max_bit_rate(decoder.max_bit_rate());

    encoder.set_time_base((1, decoder.rate() as i32));
    output.set_time_base((1, decoder.rate() as i32));

    let encoder = encoder.open_as(codec)?;
    output.set_parameters(&encoder);

    let filter = filter(filter_spec, &decoder, &encoder)?;

    let in_time_base = decoder.time_base();
    let out_time_base = output.time_base();

    Ok(Transcoder {
        stream: input.index(),
        filter,
        decoder,
        encoder,
        in_time_base,
        out_time_base,
    })
}
More examples
Hide additional examples
examples/codec-info.rs (line 50)
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110

fn main() {
    ffmpeg::init().unwrap();

    for arg in env::args().skip(1) {
        if let Some(codec) = ffmpeg::decoder::find_by_name(&arg) {
            println!("type: decoder");
            println!("\t id: {:?}", codec.id());
            println!("\t name: {}", codec.name());
            println!("\t description: {}", codec.description());
            println!("\t medium: {:?}", codec.medium());
            println!("\t capabilities: {:?}", codec.capabilities());

            if let Some(profiles) = codec.profiles() {
                println!("\t profiles: {:?}", profiles.collect::<Vec<_>>());
            } else {
                println!("\t profiles: none");
            }

            if let Ok(video) = codec.video() {
                if let Some(rates) = video.rates() {
                    println!("\t rates: {:?}", rates.collect::<Vec<_>>());
                } else {
                    println!("\t rates: any");
                }

                if let Some(formats) = video.formats() {
                    println!("\t formats: {:?}", formats.collect::<Vec<_>>());
                } else {
                    println!("\t formats: any");
                }
            }

            if let Ok(audio) = codec.audio() {
                if let Some(rates) = audio.rates() {
                    println!("\t rates: {:?}", rates.collect::<Vec<_>>());
                } else {
                    println!("\t rates: any");
                }

                if let Some(formats) = audio.formats() {
                    println!("\t formats: {:?}", formats.collect::<Vec<_>>());
                } else {
                    println!("\t formats: any");
                }

                if let Some(layouts) = audio.channel_layouts() {
                    println!("\t channel_layouts: {:?}", layouts.collect::<Vec<_>>());
                } else {
                    println!("\t channel_layouts: any");
                }
            }

            println!("\t max_lowres: {:?}", codec.max_lowres());
        }

        if let Some(codec) = ffmpeg::encoder::find_by_name(&arg) {
            println!();
            println!("type: encoder");
            println!("\t id: {:?}", codec.id());
            println!("\t name: {}", codec.name());
            println!("\t description: {}", codec.description());
            println!("\t medium: {:?}", codec.medium());
            println!("\t capabilities: {:?}", codec.capabilities());

            if let Some(profiles) = codec.profiles() {
                println!("\t profiles: {:?}", profiles.collect::<Vec<_>>());
            }

            if let Ok(video) = codec.video() {
                if let Some(rates) = video.rates() {
                    println!("\t rates: {:?}", rates.collect::<Vec<_>>());
                } else {
                    println!("\t rates: any");
                }

                if let Some(formats) = video.formats() {
                    println!("\t formats: {:?}", formats.collect::<Vec<_>>());
                } else {
                    println!("\t formats: any");
                }
            }

            if let Ok(audio) = codec.audio() {
                if let Some(rates) = audio.rates() {
                    println!("\t rates: {:?}", rates.collect::<Vec<_>>());
                } else {
                    println!("\t rates: any");
                }

                if let Some(formats) = audio.formats() {
                    println!("\t formats: {:?}", formats.collect::<Vec<_>>());
                } else {
                    println!("\t formats: any");
                }

                if let Some(layouts) = audio.channel_layouts() {
                    println!("\t channel_layouts: {:?}", layouts.collect::<Vec<_>>());
                } else {
                    println!("\t channel_layouts: any");
                }
            }

            println!("\t max_lowres: {:?}", codec.max_lowres());
        }
    }
}

Methods from Deref<Target = Codec>§

source

pub unsafe fn as_ptr(&self) -> *const AVCodec

source

pub fn is_encoder(&self) -> bool

source

pub fn is_decoder(&self) -> bool

source

pub fn name(&self) -> &str

Examples found in repository?
examples/codec-info.rs (line 12)
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110

fn main() {
    ffmpeg::init().unwrap();

    for arg in env::args().skip(1) {
        if let Some(codec) = ffmpeg::decoder::find_by_name(&arg) {
            println!("type: decoder");
            println!("\t id: {:?}", codec.id());
            println!("\t name: {}", codec.name());
            println!("\t description: {}", codec.description());
            println!("\t medium: {:?}", codec.medium());
            println!("\t capabilities: {:?}", codec.capabilities());

            if let Some(profiles) = codec.profiles() {
                println!("\t profiles: {:?}", profiles.collect::<Vec<_>>());
            } else {
                println!("\t profiles: none");
            }

            if let Ok(video) = codec.video() {
                if let Some(rates) = video.rates() {
                    println!("\t rates: {:?}", rates.collect::<Vec<_>>());
                } else {
                    println!("\t rates: any");
                }

                if let Some(formats) = video.formats() {
                    println!("\t formats: {:?}", formats.collect::<Vec<_>>());
                } else {
                    println!("\t formats: any");
                }
            }

            if let Ok(audio) = codec.audio() {
                if let Some(rates) = audio.rates() {
                    println!("\t rates: {:?}", rates.collect::<Vec<_>>());
                } else {
                    println!("\t rates: any");
                }

                if let Some(formats) = audio.formats() {
                    println!("\t formats: {:?}", formats.collect::<Vec<_>>());
                } else {
                    println!("\t formats: any");
                }

                if let Some(layouts) = audio.channel_layouts() {
                    println!("\t channel_layouts: {:?}", layouts.collect::<Vec<_>>());
                } else {
                    println!("\t channel_layouts: any");
                }
            }

            println!("\t max_lowres: {:?}", codec.max_lowres());
        }

        if let Some(codec) = ffmpeg::encoder::find_by_name(&arg) {
            println!();
            println!("type: encoder");
            println!("\t id: {:?}", codec.id());
            println!("\t name: {}", codec.name());
            println!("\t description: {}", codec.description());
            println!("\t medium: {:?}", codec.medium());
            println!("\t capabilities: {:?}", codec.capabilities());

            if let Some(profiles) = codec.profiles() {
                println!("\t profiles: {:?}", profiles.collect::<Vec<_>>());
            }

            if let Ok(video) = codec.video() {
                if let Some(rates) = video.rates() {
                    println!("\t rates: {:?}", rates.collect::<Vec<_>>());
                } else {
                    println!("\t rates: any");
                }

                if let Some(formats) = video.formats() {
                    println!("\t formats: {:?}", formats.collect::<Vec<_>>());
                } else {
                    println!("\t formats: any");
                }
            }

            if let Ok(audio) = codec.audio() {
                if let Some(rates) = audio.rates() {
                    println!("\t rates: {:?}", rates.collect::<Vec<_>>());
                } else {
                    println!("\t rates: any");
                }

                if let Some(formats) = audio.formats() {
                    println!("\t formats: {:?}", formats.collect::<Vec<_>>());
                } else {
                    println!("\t formats: any");
                }

                if let Some(layouts) = audio.channel_layouts() {
                    println!("\t channel_layouts: {:?}", layouts.collect::<Vec<_>>());
                } else {
                    println!("\t channel_layouts: any");
                }
            }

            println!("\t max_lowres: {:?}", codec.max_lowres());
        }
    }
}
source

pub fn description(&self) -> &str

Examples found in repository?
examples/codec-info.rs (line 13)
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110

fn main() {
    ffmpeg::init().unwrap();

    for arg in env::args().skip(1) {
        if let Some(codec) = ffmpeg::decoder::find_by_name(&arg) {
            println!("type: decoder");
            println!("\t id: {:?}", codec.id());
            println!("\t name: {}", codec.name());
            println!("\t description: {}", codec.description());
            println!("\t medium: {:?}", codec.medium());
            println!("\t capabilities: {:?}", codec.capabilities());

            if let Some(profiles) = codec.profiles() {
                println!("\t profiles: {:?}", profiles.collect::<Vec<_>>());
            } else {
                println!("\t profiles: none");
            }

            if let Ok(video) = codec.video() {
                if let Some(rates) = video.rates() {
                    println!("\t rates: {:?}", rates.collect::<Vec<_>>());
                } else {
                    println!("\t rates: any");
                }

                if let Some(formats) = video.formats() {
                    println!("\t formats: {:?}", formats.collect::<Vec<_>>());
                } else {
                    println!("\t formats: any");
                }
            }

            if let Ok(audio) = codec.audio() {
                if let Some(rates) = audio.rates() {
                    println!("\t rates: {:?}", rates.collect::<Vec<_>>());
                } else {
                    println!("\t rates: any");
                }

                if let Some(formats) = audio.formats() {
                    println!("\t formats: {:?}", formats.collect::<Vec<_>>());
                } else {
                    println!("\t formats: any");
                }

                if let Some(layouts) = audio.channel_layouts() {
                    println!("\t channel_layouts: {:?}", layouts.collect::<Vec<_>>());
                } else {
                    println!("\t channel_layouts: any");
                }
            }

            println!("\t max_lowres: {:?}", codec.max_lowres());
        }

        if let Some(codec) = ffmpeg::encoder::find_by_name(&arg) {
            println!();
            println!("type: encoder");
            println!("\t id: {:?}", codec.id());
            println!("\t name: {}", codec.name());
            println!("\t description: {}", codec.description());
            println!("\t medium: {:?}", codec.medium());
            println!("\t capabilities: {:?}", codec.capabilities());

            if let Some(profiles) = codec.profiles() {
                println!("\t profiles: {:?}", profiles.collect::<Vec<_>>());
            }

            if let Ok(video) = codec.video() {
                if let Some(rates) = video.rates() {
                    println!("\t rates: {:?}", rates.collect::<Vec<_>>());
                } else {
                    println!("\t rates: any");
                }

                if let Some(formats) = video.formats() {
                    println!("\t formats: {:?}", formats.collect::<Vec<_>>());
                } else {
                    println!("\t formats: any");
                }
            }

            if let Ok(audio) = codec.audio() {
                if let Some(rates) = audio.rates() {
                    println!("\t rates: {:?}", rates.collect::<Vec<_>>());
                } else {
                    println!("\t rates: any");
                }

                if let Some(formats) = audio.formats() {
                    println!("\t formats: {:?}", formats.collect::<Vec<_>>());
                } else {
                    println!("\t formats: any");
                }

                if let Some(layouts) = audio.channel_layouts() {
                    println!("\t channel_layouts: {:?}", layouts.collect::<Vec<_>>());
                } else {
                    println!("\t channel_layouts: any");
                }
            }

            println!("\t max_lowres: {:?}", codec.max_lowres());
        }
    }
}
source

pub fn medium(&self) -> Type

Examples found in repository?
examples/codec-info.rs (line 14)
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110

fn main() {
    ffmpeg::init().unwrap();

    for arg in env::args().skip(1) {
        if let Some(codec) = ffmpeg::decoder::find_by_name(&arg) {
            println!("type: decoder");
            println!("\t id: {:?}", codec.id());
            println!("\t name: {}", codec.name());
            println!("\t description: {}", codec.description());
            println!("\t medium: {:?}", codec.medium());
            println!("\t capabilities: {:?}", codec.capabilities());

            if let Some(profiles) = codec.profiles() {
                println!("\t profiles: {:?}", profiles.collect::<Vec<_>>());
            } else {
                println!("\t profiles: none");
            }

            if let Ok(video) = codec.video() {
                if let Some(rates) = video.rates() {
                    println!("\t rates: {:?}", rates.collect::<Vec<_>>());
                } else {
                    println!("\t rates: any");
                }

                if let Some(formats) = video.formats() {
                    println!("\t formats: {:?}", formats.collect::<Vec<_>>());
                } else {
                    println!("\t formats: any");
                }
            }

            if let Ok(audio) = codec.audio() {
                if let Some(rates) = audio.rates() {
                    println!("\t rates: {:?}", rates.collect::<Vec<_>>());
                } else {
                    println!("\t rates: any");
                }

                if let Some(formats) = audio.formats() {
                    println!("\t formats: {:?}", formats.collect::<Vec<_>>());
                } else {
                    println!("\t formats: any");
                }

                if let Some(layouts) = audio.channel_layouts() {
                    println!("\t channel_layouts: {:?}", layouts.collect::<Vec<_>>());
                } else {
                    println!("\t channel_layouts: any");
                }
            }

            println!("\t max_lowres: {:?}", codec.max_lowres());
        }

        if let Some(codec) = ffmpeg::encoder::find_by_name(&arg) {
            println!();
            println!("type: encoder");
            println!("\t id: {:?}", codec.id());
            println!("\t name: {}", codec.name());
            println!("\t description: {}", codec.description());
            println!("\t medium: {:?}", codec.medium());
            println!("\t capabilities: {:?}", codec.capabilities());

            if let Some(profiles) = codec.profiles() {
                println!("\t profiles: {:?}", profiles.collect::<Vec<_>>());
            }

            if let Ok(video) = codec.video() {
                if let Some(rates) = video.rates() {
                    println!("\t rates: {:?}", rates.collect::<Vec<_>>());
                } else {
                    println!("\t rates: any");
                }

                if let Some(formats) = video.formats() {
                    println!("\t formats: {:?}", formats.collect::<Vec<_>>());
                } else {
                    println!("\t formats: any");
                }
            }

            if let Ok(audio) = codec.audio() {
                if let Some(rates) = audio.rates() {
                    println!("\t rates: {:?}", rates.collect::<Vec<_>>());
                } else {
                    println!("\t rates: any");
                }

                if let Some(formats) = audio.formats() {
                    println!("\t formats: {:?}", formats.collect::<Vec<_>>());
                } else {
                    println!("\t formats: any");
                }

                if let Some(layouts) = audio.channel_layouts() {
                    println!("\t channel_layouts: {:?}", layouts.collect::<Vec<_>>());
                } else {
                    println!("\t channel_layouts: any");
                }
            }

            println!("\t max_lowres: {:?}", codec.max_lowres());
        }
    }
}
source

pub fn id(&self) -> Id

Examples found in repository?
examples/codec-info.rs (line 11)
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110

fn main() {
    ffmpeg::init().unwrap();

    for arg in env::args().skip(1) {
        if let Some(codec) = ffmpeg::decoder::find_by_name(&arg) {
            println!("type: decoder");
            println!("\t id: {:?}", codec.id());
            println!("\t name: {}", codec.name());
            println!("\t description: {}", codec.description());
            println!("\t medium: {:?}", codec.medium());
            println!("\t capabilities: {:?}", codec.capabilities());

            if let Some(profiles) = codec.profiles() {
                println!("\t profiles: {:?}", profiles.collect::<Vec<_>>());
            } else {
                println!("\t profiles: none");
            }

            if let Ok(video) = codec.video() {
                if let Some(rates) = video.rates() {
                    println!("\t rates: {:?}", rates.collect::<Vec<_>>());
                } else {
                    println!("\t rates: any");
                }

                if let Some(formats) = video.formats() {
                    println!("\t formats: {:?}", formats.collect::<Vec<_>>());
                } else {
                    println!("\t formats: any");
                }
            }

            if let Ok(audio) = codec.audio() {
                if let Some(rates) = audio.rates() {
                    println!("\t rates: {:?}", rates.collect::<Vec<_>>());
                } else {
                    println!("\t rates: any");
                }

                if let Some(formats) = audio.formats() {
                    println!("\t formats: {:?}", formats.collect::<Vec<_>>());
                } else {
                    println!("\t formats: any");
                }

                if let Some(layouts) = audio.channel_layouts() {
                    println!("\t channel_layouts: {:?}", layouts.collect::<Vec<_>>());
                } else {
                    println!("\t channel_layouts: any");
                }
            }

            println!("\t max_lowres: {:?}", codec.max_lowres());
        }

        if let Some(codec) = ffmpeg::encoder::find_by_name(&arg) {
            println!();
            println!("type: encoder");
            println!("\t id: {:?}", codec.id());
            println!("\t name: {}", codec.name());
            println!("\t description: {}", codec.description());
            println!("\t medium: {:?}", codec.medium());
            println!("\t capabilities: {:?}", codec.capabilities());

            if let Some(profiles) = codec.profiles() {
                println!("\t profiles: {:?}", profiles.collect::<Vec<_>>());
            }

            if let Ok(video) = codec.video() {
                if let Some(rates) = video.rates() {
                    println!("\t rates: {:?}", rates.collect::<Vec<_>>());
                } else {
                    println!("\t rates: any");
                }

                if let Some(formats) = video.formats() {
                    println!("\t formats: {:?}", formats.collect::<Vec<_>>());
                } else {
                    println!("\t formats: any");
                }
            }

            if let Ok(audio) = codec.audio() {
                if let Some(rates) = audio.rates() {
                    println!("\t rates: {:?}", rates.collect::<Vec<_>>());
                } else {
                    println!("\t rates: any");
                }

                if let Some(formats) = audio.formats() {
                    println!("\t formats: {:?}", formats.collect::<Vec<_>>());
                } else {
                    println!("\t formats: any");
                }

                if let Some(layouts) = audio.channel_layouts() {
                    println!("\t channel_layouts: {:?}", layouts.collect::<Vec<_>>());
                } else {
                    println!("\t channel_layouts: any");
                }
            }

            println!("\t max_lowres: {:?}", codec.max_lowres());
        }
    }
}
source

pub fn is_video(&self) -> bool

source

pub fn is_audio(&self) -> bool

source

pub fn max_lowres(&self) -> i32

Examples found in repository?
examples/codec-info.rs (line 57)
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110

fn main() {
    ffmpeg::init().unwrap();

    for arg in env::args().skip(1) {
        if let Some(codec) = ffmpeg::decoder::find_by_name(&arg) {
            println!("type: decoder");
            println!("\t id: {:?}", codec.id());
            println!("\t name: {}", codec.name());
            println!("\t description: {}", codec.description());
            println!("\t medium: {:?}", codec.medium());
            println!("\t capabilities: {:?}", codec.capabilities());

            if let Some(profiles) = codec.profiles() {
                println!("\t profiles: {:?}", profiles.collect::<Vec<_>>());
            } else {
                println!("\t profiles: none");
            }

            if let Ok(video) = codec.video() {
                if let Some(rates) = video.rates() {
                    println!("\t rates: {:?}", rates.collect::<Vec<_>>());
                } else {
                    println!("\t rates: any");
                }

                if let Some(formats) = video.formats() {
                    println!("\t formats: {:?}", formats.collect::<Vec<_>>());
                } else {
                    println!("\t formats: any");
                }
            }

            if let Ok(audio) = codec.audio() {
                if let Some(rates) = audio.rates() {
                    println!("\t rates: {:?}", rates.collect::<Vec<_>>());
                } else {
                    println!("\t rates: any");
                }

                if let Some(formats) = audio.formats() {
                    println!("\t formats: {:?}", formats.collect::<Vec<_>>());
                } else {
                    println!("\t formats: any");
                }

                if let Some(layouts) = audio.channel_layouts() {
                    println!("\t channel_layouts: {:?}", layouts.collect::<Vec<_>>());
                } else {
                    println!("\t channel_layouts: any");
                }
            }

            println!("\t max_lowres: {:?}", codec.max_lowres());
        }

        if let Some(codec) = ffmpeg::encoder::find_by_name(&arg) {
            println!();
            println!("type: encoder");
            println!("\t id: {:?}", codec.id());
            println!("\t name: {}", codec.name());
            println!("\t description: {}", codec.description());
            println!("\t medium: {:?}", codec.medium());
            println!("\t capabilities: {:?}", codec.capabilities());

            if let Some(profiles) = codec.profiles() {
                println!("\t profiles: {:?}", profiles.collect::<Vec<_>>());
            }

            if let Ok(video) = codec.video() {
                if let Some(rates) = video.rates() {
                    println!("\t rates: {:?}", rates.collect::<Vec<_>>());
                } else {
                    println!("\t rates: any");
                }

                if let Some(formats) = video.formats() {
                    println!("\t formats: {:?}", formats.collect::<Vec<_>>());
                } else {
                    println!("\t formats: any");
                }
            }

            if let Ok(audio) = codec.audio() {
                if let Some(rates) = audio.rates() {
                    println!("\t rates: {:?}", rates.collect::<Vec<_>>());
                } else {
                    println!("\t rates: any");
                }

                if let Some(formats) = audio.formats() {
                    println!("\t formats: {:?}", formats.collect::<Vec<_>>());
                } else {
                    println!("\t formats: any");
                }

                if let Some(layouts) = audio.channel_layouts() {
                    println!("\t channel_layouts: {:?}", layouts.collect::<Vec<_>>());
                } else {
                    println!("\t channel_layouts: any");
                }
            }

            println!("\t max_lowres: {:?}", codec.max_lowres());
        }
    }
}
source

pub fn capabilities(&self) -> Capabilities

Examples found in repository?
examples/transcode-audio.rs (line 42)
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54

fn filter(
    spec: &str,
    decoder: &codec::decoder::Audio,
    encoder: &codec::encoder::Audio,
) -> Result<filter::Graph, ffmpeg::Error> {
    let mut filter = filter::Graph::new();

    let args = format!(
        "time_base={}:sample_rate={}:sample_fmt={}:channel_layout=0x{:x}",
        decoder.time_base(),
        decoder.rate(),
        decoder.format().name(),
        decoder.channel_layout().bits()
    );

    filter.add(&filter::find("abuffer").unwrap(), "in", &args)?;
    filter.add(&filter::find("abuffersink").unwrap(), "out", "")?;

    {
        let mut out = filter.get("out").unwrap();

        out.set_sample_format(encoder.format());
        out.set_channel_layout(encoder.channel_layout());
        out.set_sample_rate(encoder.rate());
    }

    filter.output("in", 0)?.input("out", 0)?.parse(spec)?;
    filter.validate()?;

    println!("{}", filter.dump());

    if let Some(codec) = encoder.codec() {
        if !codec
            .capabilities()
            .contains(ffmpeg::codec::capabilities::Capabilities::VARIABLE_FRAME_SIZE)
        {
            filter
                .get("out")
                .unwrap()
                .sink()
                .set_frame_size(encoder.frame_size());
        }
    }

    Ok(filter)
}
More examples
Hide additional examples
examples/codec-info.rs (line 15)
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110

fn main() {
    ffmpeg::init().unwrap();

    for arg in env::args().skip(1) {
        if let Some(codec) = ffmpeg::decoder::find_by_name(&arg) {
            println!("type: decoder");
            println!("\t id: {:?}", codec.id());
            println!("\t name: {}", codec.name());
            println!("\t description: {}", codec.description());
            println!("\t medium: {:?}", codec.medium());
            println!("\t capabilities: {:?}", codec.capabilities());

            if let Some(profiles) = codec.profiles() {
                println!("\t profiles: {:?}", profiles.collect::<Vec<_>>());
            } else {
                println!("\t profiles: none");
            }

            if let Ok(video) = codec.video() {
                if let Some(rates) = video.rates() {
                    println!("\t rates: {:?}", rates.collect::<Vec<_>>());
                } else {
                    println!("\t rates: any");
                }

                if let Some(formats) = video.formats() {
                    println!("\t formats: {:?}", formats.collect::<Vec<_>>());
                } else {
                    println!("\t formats: any");
                }
            }

            if let Ok(audio) = codec.audio() {
                if let Some(rates) = audio.rates() {
                    println!("\t rates: {:?}", rates.collect::<Vec<_>>());
                } else {
                    println!("\t rates: any");
                }

                if let Some(formats) = audio.formats() {
                    println!("\t formats: {:?}", formats.collect::<Vec<_>>());
                } else {
                    println!("\t formats: any");
                }

                if let Some(layouts) = audio.channel_layouts() {
                    println!("\t channel_layouts: {:?}", layouts.collect::<Vec<_>>());
                } else {
                    println!("\t channel_layouts: any");
                }
            }

            println!("\t max_lowres: {:?}", codec.max_lowres());
        }

        if let Some(codec) = ffmpeg::encoder::find_by_name(&arg) {
            println!();
            println!("type: encoder");
            println!("\t id: {:?}", codec.id());
            println!("\t name: {}", codec.name());
            println!("\t description: {}", codec.description());
            println!("\t medium: {:?}", codec.medium());
            println!("\t capabilities: {:?}", codec.capabilities());

            if let Some(profiles) = codec.profiles() {
                println!("\t profiles: {:?}", profiles.collect::<Vec<_>>());
            }

            if let Ok(video) = codec.video() {
                if let Some(rates) = video.rates() {
                    println!("\t rates: {:?}", rates.collect::<Vec<_>>());
                } else {
                    println!("\t rates: any");
                }

                if let Some(formats) = video.formats() {
                    println!("\t formats: {:?}", formats.collect::<Vec<_>>());
                } else {
                    println!("\t formats: any");
                }
            }

            if let Ok(audio) = codec.audio() {
                if let Some(rates) = audio.rates() {
                    println!("\t rates: {:?}", rates.collect::<Vec<_>>());
                } else {
                    println!("\t rates: any");
                }

                if let Some(formats) = audio.formats() {
                    println!("\t formats: {:?}", formats.collect::<Vec<_>>());
                } else {
                    println!("\t formats: any");
                }

                if let Some(layouts) = audio.channel_layouts() {
                    println!("\t channel_layouts: {:?}", layouts.collect::<Vec<_>>());
                } else {
                    println!("\t channel_layouts: any");
                }
            }

            println!("\t max_lowres: {:?}", codec.max_lowres());
        }
    }
}
source

pub fn profiles(&self) -> Option<ProfileIter>

Examples found in repository?
examples/codec-info.rs (line 17)
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110

fn main() {
    ffmpeg::init().unwrap();

    for arg in env::args().skip(1) {
        if let Some(codec) = ffmpeg::decoder::find_by_name(&arg) {
            println!("type: decoder");
            println!("\t id: {:?}", codec.id());
            println!("\t name: {}", codec.name());
            println!("\t description: {}", codec.description());
            println!("\t medium: {:?}", codec.medium());
            println!("\t capabilities: {:?}", codec.capabilities());

            if let Some(profiles) = codec.profiles() {
                println!("\t profiles: {:?}", profiles.collect::<Vec<_>>());
            } else {
                println!("\t profiles: none");
            }

            if let Ok(video) = codec.video() {
                if let Some(rates) = video.rates() {
                    println!("\t rates: {:?}", rates.collect::<Vec<_>>());
                } else {
                    println!("\t rates: any");
                }

                if let Some(formats) = video.formats() {
                    println!("\t formats: {:?}", formats.collect::<Vec<_>>());
                } else {
                    println!("\t formats: any");
                }
            }

            if let Ok(audio) = codec.audio() {
                if let Some(rates) = audio.rates() {
                    println!("\t rates: {:?}", rates.collect::<Vec<_>>());
                } else {
                    println!("\t rates: any");
                }

                if let Some(formats) = audio.formats() {
                    println!("\t formats: {:?}", formats.collect::<Vec<_>>());
                } else {
                    println!("\t formats: any");
                }

                if let Some(layouts) = audio.channel_layouts() {
                    println!("\t channel_layouts: {:?}", layouts.collect::<Vec<_>>());
                } else {
                    println!("\t channel_layouts: any");
                }
            }

            println!("\t max_lowres: {:?}", codec.max_lowres());
        }

        if let Some(codec) = ffmpeg::encoder::find_by_name(&arg) {
            println!();
            println!("type: encoder");
            println!("\t id: {:?}", codec.id());
            println!("\t name: {}", codec.name());
            println!("\t description: {}", codec.description());
            println!("\t medium: {:?}", codec.medium());
            println!("\t capabilities: {:?}", codec.capabilities());

            if let Some(profiles) = codec.profiles() {
                println!("\t profiles: {:?}", profiles.collect::<Vec<_>>());
            }

            if let Ok(video) = codec.video() {
                if let Some(rates) = video.rates() {
                    println!("\t rates: {:?}", rates.collect::<Vec<_>>());
                } else {
                    println!("\t rates: any");
                }

                if let Some(formats) = video.formats() {
                    println!("\t formats: {:?}", formats.collect::<Vec<_>>());
                } else {
                    println!("\t formats: any");
                }
            }

            if let Ok(audio) = codec.audio() {
                if let Some(rates) = audio.rates() {
                    println!("\t rates: {:?}", rates.collect::<Vec<_>>());
                } else {
                    println!("\t rates: any");
                }

                if let Some(formats) = audio.formats() {
                    println!("\t formats: {:?}", formats.collect::<Vec<_>>());
                } else {
                    println!("\t formats: any");
                }

                if let Some(layouts) = audio.channel_layouts() {
                    println!("\t channel_layouts: {:?}", layouts.collect::<Vec<_>>());
                } else {
                    println!("\t channel_layouts: any");
                }
            }

            println!("\t max_lowres: {:?}", codec.max_lowres());
        }
    }
}

Trait Implementations§

source§

impl Clone for Audio

source§

fn clone(&self) -> Audio

Returns a copy of the value. Read more
1.0.0 · source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
source§

impl Decoder for Audio

source§

fn decoder(self) -> Option<Codec>

source§

impl Deref for Audio

§

type Target = Codec

The resulting type after dereferencing.
source§

fn deref(&self) -> &Self::Target

Dereferences the value.
source§

impl Encoder for Audio

source§

fn encoder(self) -> Option<Codec>

source§

impl PartialEq<Audio> for Audio

source§

fn eq(&self, other: &Audio) -> bool

This method tests for self and other values to be equal, and is used by ==.
1.0.0 · source§

fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
source§

impl Copy for Audio

source§

impl Eq for Audio

source§

impl StructuralEq for Audio

source§

impl StructuralPartialEq for Audio

Auto Trait Implementations§

§

impl RefUnwindSafe for Audio

§

impl Send for Audio

§

impl Sync for Audio

§

impl Unpin for Audio

§

impl UnwindSafe for Audio

Blanket Implementations§

source§

impl<T> Any for Twhere T: 'static + ?Sized,

source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
source§

impl<T> Borrow<T> for Twhere T: ?Sized,

const: unstable · source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
source§

impl<T> BorrowMut<T> for Twhere T: ?Sized,

const: unstable · source§

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
source§

impl<T> From<T> for T

const: unstable · source§

fn from(t: T) -> T

Returns the argument unchanged.

source§

impl<T, U> Into<U> for Twhere U: From<T>,

const: unstable · source§

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

source§

impl<T> ToOwned for Twhere T: Clone,

§

type Owned = T

The resulting type after obtaining ownership.
source§

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
source§

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
source§

impl<T, U> TryFrom<U> for Twhere U: Into<T>,

§

type Error = Infallible

The type returned in the event of a conversion error.
const: unstable · source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
source§

impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

§

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
const: unstable · source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.