pub struct Codec { /* private fields */ }
Implementations§
Source§impl Codec
impl Codec
pub fn is_encoder(&self) -> bool
pub fn is_decoder(&self) -> bool
Sourcepub fn name(&self) -> &str
pub fn name(&self) -> &str
Examples found in repository?
examples/codec-info.rs (line 12)
5fn main() {
6 ffmpeg::init().unwrap();
7
8 for arg in env::args().skip(1) {
9 if let Some(codec) = ffmpeg::decoder::find_by_name(&arg) {
10 println!("type: decoder");
11 println!("\t id: {:?}", codec.id());
12 println!("\t name: {}", codec.name());
13 println!("\t description: {}", codec.description());
14 println!("\t medium: {:?}", codec.medium());
15 println!("\t capabilities: {:?}", codec.capabilities());
16
17 if let Some(profiles) = codec.profiles() {
18 println!("\t profiles: {:?}", profiles.collect::<Vec<_>>());
19 } else {
20 println!("\t profiles: none");
21 }
22
23 if let Ok(video) = codec.video() {
24 if let Some(rates) = video.rates() {
25 println!("\t rates: {:?}", rates.collect::<Vec<_>>());
26 } else {
27 println!("\t rates: any");
28 }
29
30 if let Some(formats) = video.formats() {
31 println!("\t formats: {:?}", formats.collect::<Vec<_>>());
32 } else {
33 println!("\t formats: any");
34 }
35 }
36
37 if let Ok(audio) = codec.audio() {
38 if let Some(rates) = audio.rates() {
39 println!("\t rates: {:?}", rates.collect::<Vec<_>>());
40 } else {
41 println!("\t rates: any");
42 }
43
44 if let Some(formats) = audio.formats() {
45 println!("\t formats: {:?}", formats.collect::<Vec<_>>());
46 } else {
47 println!("\t formats: any");
48 }
49
50 if let Some(layouts) = audio.channel_layouts() {
51 println!("\t channel_layouts: {:?}", layouts.collect::<Vec<_>>());
52 } else {
53 println!("\t channel_layouts: any");
54 }
55 }
56
57 println!("\t max_lowres: {:?}", codec.max_lowres());
58 }
59
60 if let Some(codec) = ffmpeg::encoder::find_by_name(&arg) {
61 println!();
62 println!("type: encoder");
63 println!("\t id: {:?}", codec.id());
64 println!("\t name: {}", codec.name());
65 println!("\t description: {}", codec.description());
66 println!("\t medium: {:?}", codec.medium());
67 println!("\t capabilities: {:?}", codec.capabilities());
68
69 if let Some(profiles) = codec.profiles() {
70 println!("\t profiles: {:?}", profiles.collect::<Vec<_>>());
71 }
72
73 if let Ok(video) = codec.video() {
74 if let Some(rates) = video.rates() {
75 println!("\t rates: {:?}", rates.collect::<Vec<_>>());
76 } else {
77 println!("\t rates: any");
78 }
79
80 if let Some(formats) = video.formats() {
81 println!("\t formats: {:?}", formats.collect::<Vec<_>>());
82 } else {
83 println!("\t formats: any");
84 }
85 }
86
87 if let Ok(audio) = codec.audio() {
88 if let Some(rates) = audio.rates() {
89 println!("\t rates: {:?}", rates.collect::<Vec<_>>());
90 } else {
91 println!("\t rates: any");
92 }
93
94 if let Some(formats) = audio.formats() {
95 println!("\t formats: {:?}", formats.collect::<Vec<_>>());
96 } else {
97 println!("\t formats: any");
98 }
99
100 if let Some(layouts) = audio.channel_layouts() {
101 println!("\t channel_layouts: {:?}", layouts.collect::<Vec<_>>());
102 } else {
103 println!("\t channel_layouts: any");
104 }
105 }
106
107 println!("\t max_lowres: {:?}", codec.max_lowres());
108 }
109 }
110}
Sourcepub fn description(&self) -> &str
pub fn description(&self) -> &str
Examples found in repository?
examples/codec-info.rs (line 13)
5fn main() {
6 ffmpeg::init().unwrap();
7
8 for arg in env::args().skip(1) {
9 if let Some(codec) = ffmpeg::decoder::find_by_name(&arg) {
10 println!("type: decoder");
11 println!("\t id: {:?}", codec.id());
12 println!("\t name: {}", codec.name());
13 println!("\t description: {}", codec.description());
14 println!("\t medium: {:?}", codec.medium());
15 println!("\t capabilities: {:?}", codec.capabilities());
16
17 if let Some(profiles) = codec.profiles() {
18 println!("\t profiles: {:?}", profiles.collect::<Vec<_>>());
19 } else {
20 println!("\t profiles: none");
21 }
22
23 if let Ok(video) = codec.video() {
24 if let Some(rates) = video.rates() {
25 println!("\t rates: {:?}", rates.collect::<Vec<_>>());
26 } else {
27 println!("\t rates: any");
28 }
29
30 if let Some(formats) = video.formats() {
31 println!("\t formats: {:?}", formats.collect::<Vec<_>>());
32 } else {
33 println!("\t formats: any");
34 }
35 }
36
37 if let Ok(audio) = codec.audio() {
38 if let Some(rates) = audio.rates() {
39 println!("\t rates: {:?}", rates.collect::<Vec<_>>());
40 } else {
41 println!("\t rates: any");
42 }
43
44 if let Some(formats) = audio.formats() {
45 println!("\t formats: {:?}", formats.collect::<Vec<_>>());
46 } else {
47 println!("\t formats: any");
48 }
49
50 if let Some(layouts) = audio.channel_layouts() {
51 println!("\t channel_layouts: {:?}", layouts.collect::<Vec<_>>());
52 } else {
53 println!("\t channel_layouts: any");
54 }
55 }
56
57 println!("\t max_lowres: {:?}", codec.max_lowres());
58 }
59
60 if let Some(codec) = ffmpeg::encoder::find_by_name(&arg) {
61 println!();
62 println!("type: encoder");
63 println!("\t id: {:?}", codec.id());
64 println!("\t name: {}", codec.name());
65 println!("\t description: {}", codec.description());
66 println!("\t medium: {:?}", codec.medium());
67 println!("\t capabilities: {:?}", codec.capabilities());
68
69 if let Some(profiles) = codec.profiles() {
70 println!("\t profiles: {:?}", profiles.collect::<Vec<_>>());
71 }
72
73 if let Ok(video) = codec.video() {
74 if let Some(rates) = video.rates() {
75 println!("\t rates: {:?}", rates.collect::<Vec<_>>());
76 } else {
77 println!("\t rates: any");
78 }
79
80 if let Some(formats) = video.formats() {
81 println!("\t formats: {:?}", formats.collect::<Vec<_>>());
82 } else {
83 println!("\t formats: any");
84 }
85 }
86
87 if let Ok(audio) = codec.audio() {
88 if let Some(rates) = audio.rates() {
89 println!("\t rates: {:?}", rates.collect::<Vec<_>>());
90 } else {
91 println!("\t rates: any");
92 }
93
94 if let Some(formats) = audio.formats() {
95 println!("\t formats: {:?}", formats.collect::<Vec<_>>());
96 } else {
97 println!("\t formats: any");
98 }
99
100 if let Some(layouts) = audio.channel_layouts() {
101 println!("\t channel_layouts: {:?}", layouts.collect::<Vec<_>>());
102 } else {
103 println!("\t channel_layouts: any");
104 }
105 }
106
107 println!("\t max_lowres: {:?}", codec.max_lowres());
108 }
109 }
110}
Sourcepub fn medium(&self) -> Type
pub fn medium(&self) -> Type
Examples found in repository?
examples/codec-info.rs (line 14)
5fn main() {
6 ffmpeg::init().unwrap();
7
8 for arg in env::args().skip(1) {
9 if let Some(codec) = ffmpeg::decoder::find_by_name(&arg) {
10 println!("type: decoder");
11 println!("\t id: {:?}", codec.id());
12 println!("\t name: {}", codec.name());
13 println!("\t description: {}", codec.description());
14 println!("\t medium: {:?}", codec.medium());
15 println!("\t capabilities: {:?}", codec.capabilities());
16
17 if let Some(profiles) = codec.profiles() {
18 println!("\t profiles: {:?}", profiles.collect::<Vec<_>>());
19 } else {
20 println!("\t profiles: none");
21 }
22
23 if let Ok(video) = codec.video() {
24 if let Some(rates) = video.rates() {
25 println!("\t rates: {:?}", rates.collect::<Vec<_>>());
26 } else {
27 println!("\t rates: any");
28 }
29
30 if let Some(formats) = video.formats() {
31 println!("\t formats: {:?}", formats.collect::<Vec<_>>());
32 } else {
33 println!("\t formats: any");
34 }
35 }
36
37 if let Ok(audio) = codec.audio() {
38 if let Some(rates) = audio.rates() {
39 println!("\t rates: {:?}", rates.collect::<Vec<_>>());
40 } else {
41 println!("\t rates: any");
42 }
43
44 if let Some(formats) = audio.formats() {
45 println!("\t formats: {:?}", formats.collect::<Vec<_>>());
46 } else {
47 println!("\t formats: any");
48 }
49
50 if let Some(layouts) = audio.channel_layouts() {
51 println!("\t channel_layouts: {:?}", layouts.collect::<Vec<_>>());
52 } else {
53 println!("\t channel_layouts: any");
54 }
55 }
56
57 println!("\t max_lowres: {:?}", codec.max_lowres());
58 }
59
60 if let Some(codec) = ffmpeg::encoder::find_by_name(&arg) {
61 println!();
62 println!("type: encoder");
63 println!("\t id: {:?}", codec.id());
64 println!("\t name: {}", codec.name());
65 println!("\t description: {}", codec.description());
66 println!("\t medium: {:?}", codec.medium());
67 println!("\t capabilities: {:?}", codec.capabilities());
68
69 if let Some(profiles) = codec.profiles() {
70 println!("\t profiles: {:?}", profiles.collect::<Vec<_>>());
71 }
72
73 if let Ok(video) = codec.video() {
74 if let Some(rates) = video.rates() {
75 println!("\t rates: {:?}", rates.collect::<Vec<_>>());
76 } else {
77 println!("\t rates: any");
78 }
79
80 if let Some(formats) = video.formats() {
81 println!("\t formats: {:?}", formats.collect::<Vec<_>>());
82 } else {
83 println!("\t formats: any");
84 }
85 }
86
87 if let Ok(audio) = codec.audio() {
88 if let Some(rates) = audio.rates() {
89 println!("\t rates: {:?}", rates.collect::<Vec<_>>());
90 } else {
91 println!("\t rates: any");
92 }
93
94 if let Some(formats) = audio.formats() {
95 println!("\t formats: {:?}", formats.collect::<Vec<_>>());
96 } else {
97 println!("\t formats: any");
98 }
99
100 if let Some(layouts) = audio.channel_layouts() {
101 println!("\t channel_layouts: {:?}", layouts.collect::<Vec<_>>());
102 } else {
103 println!("\t channel_layouts: any");
104 }
105 }
106
107 println!("\t max_lowres: {:?}", codec.max_lowres());
108 }
109 }
110}
Sourcepub fn id(&self) -> Id
pub fn id(&self) -> Id
Examples found in repository?
examples/codec-info.rs (line 11)
5fn main() {
6 ffmpeg::init().unwrap();
7
8 for arg in env::args().skip(1) {
9 if let Some(codec) = ffmpeg::decoder::find_by_name(&arg) {
10 println!("type: decoder");
11 println!("\t id: {:?}", codec.id());
12 println!("\t name: {}", codec.name());
13 println!("\t description: {}", codec.description());
14 println!("\t medium: {:?}", codec.medium());
15 println!("\t capabilities: {:?}", codec.capabilities());
16
17 if let Some(profiles) = codec.profiles() {
18 println!("\t profiles: {:?}", profiles.collect::<Vec<_>>());
19 } else {
20 println!("\t profiles: none");
21 }
22
23 if let Ok(video) = codec.video() {
24 if let Some(rates) = video.rates() {
25 println!("\t rates: {:?}", rates.collect::<Vec<_>>());
26 } else {
27 println!("\t rates: any");
28 }
29
30 if let Some(formats) = video.formats() {
31 println!("\t formats: {:?}", formats.collect::<Vec<_>>());
32 } else {
33 println!("\t formats: any");
34 }
35 }
36
37 if let Ok(audio) = codec.audio() {
38 if let Some(rates) = audio.rates() {
39 println!("\t rates: {:?}", rates.collect::<Vec<_>>());
40 } else {
41 println!("\t rates: any");
42 }
43
44 if let Some(formats) = audio.formats() {
45 println!("\t formats: {:?}", formats.collect::<Vec<_>>());
46 } else {
47 println!("\t formats: any");
48 }
49
50 if let Some(layouts) = audio.channel_layouts() {
51 println!("\t channel_layouts: {:?}", layouts.collect::<Vec<_>>());
52 } else {
53 println!("\t channel_layouts: any");
54 }
55 }
56
57 println!("\t max_lowres: {:?}", codec.max_lowres());
58 }
59
60 if let Some(codec) = ffmpeg::encoder::find_by_name(&arg) {
61 println!();
62 println!("type: encoder");
63 println!("\t id: {:?}", codec.id());
64 println!("\t name: {}", codec.name());
65 println!("\t description: {}", codec.description());
66 println!("\t medium: {:?}", codec.medium());
67 println!("\t capabilities: {:?}", codec.capabilities());
68
69 if let Some(profiles) = codec.profiles() {
70 println!("\t profiles: {:?}", profiles.collect::<Vec<_>>());
71 }
72
73 if let Ok(video) = codec.video() {
74 if let Some(rates) = video.rates() {
75 println!("\t rates: {:?}", rates.collect::<Vec<_>>());
76 } else {
77 println!("\t rates: any");
78 }
79
80 if let Some(formats) = video.formats() {
81 println!("\t formats: {:?}", formats.collect::<Vec<_>>());
82 } else {
83 println!("\t formats: any");
84 }
85 }
86
87 if let Ok(audio) = codec.audio() {
88 if let Some(rates) = audio.rates() {
89 println!("\t rates: {:?}", rates.collect::<Vec<_>>());
90 } else {
91 println!("\t rates: any");
92 }
93
94 if let Some(formats) = audio.formats() {
95 println!("\t formats: {:?}", formats.collect::<Vec<_>>());
96 } else {
97 println!("\t formats: any");
98 }
99
100 if let Some(layouts) = audio.channel_layouts() {
101 println!("\t channel_layouts: {:?}", layouts.collect::<Vec<_>>());
102 } else {
103 println!("\t channel_layouts: any");
104 }
105 }
106
107 println!("\t max_lowres: {:?}", codec.max_lowres());
108 }
109 }
110}
pub fn is_video(&self) -> bool
Sourcepub fn video(self) -> Result<Video, Error>
pub fn video(self) -> Result<Video, Error>
Examples found in repository?
examples/codec-info.rs (line 23)
5fn main() {
6 ffmpeg::init().unwrap();
7
8 for arg in env::args().skip(1) {
9 if let Some(codec) = ffmpeg::decoder::find_by_name(&arg) {
10 println!("type: decoder");
11 println!("\t id: {:?}", codec.id());
12 println!("\t name: {}", codec.name());
13 println!("\t description: {}", codec.description());
14 println!("\t medium: {:?}", codec.medium());
15 println!("\t capabilities: {:?}", codec.capabilities());
16
17 if let Some(profiles) = codec.profiles() {
18 println!("\t profiles: {:?}", profiles.collect::<Vec<_>>());
19 } else {
20 println!("\t profiles: none");
21 }
22
23 if let Ok(video) = codec.video() {
24 if let Some(rates) = video.rates() {
25 println!("\t rates: {:?}", rates.collect::<Vec<_>>());
26 } else {
27 println!("\t rates: any");
28 }
29
30 if let Some(formats) = video.formats() {
31 println!("\t formats: {:?}", formats.collect::<Vec<_>>());
32 } else {
33 println!("\t formats: any");
34 }
35 }
36
37 if let Ok(audio) = codec.audio() {
38 if let Some(rates) = audio.rates() {
39 println!("\t rates: {:?}", rates.collect::<Vec<_>>());
40 } else {
41 println!("\t rates: any");
42 }
43
44 if let Some(formats) = audio.formats() {
45 println!("\t formats: {:?}", formats.collect::<Vec<_>>());
46 } else {
47 println!("\t formats: any");
48 }
49
50 if let Some(layouts) = audio.channel_layouts() {
51 println!("\t channel_layouts: {:?}", layouts.collect::<Vec<_>>());
52 } else {
53 println!("\t channel_layouts: any");
54 }
55 }
56
57 println!("\t max_lowres: {:?}", codec.max_lowres());
58 }
59
60 if let Some(codec) = ffmpeg::encoder::find_by_name(&arg) {
61 println!();
62 println!("type: encoder");
63 println!("\t id: {:?}", codec.id());
64 println!("\t name: {}", codec.name());
65 println!("\t description: {}", codec.description());
66 println!("\t medium: {:?}", codec.medium());
67 println!("\t capabilities: {:?}", codec.capabilities());
68
69 if let Some(profiles) = codec.profiles() {
70 println!("\t profiles: {:?}", profiles.collect::<Vec<_>>());
71 }
72
73 if let Ok(video) = codec.video() {
74 if let Some(rates) = video.rates() {
75 println!("\t rates: {:?}", rates.collect::<Vec<_>>());
76 } else {
77 println!("\t rates: any");
78 }
79
80 if let Some(formats) = video.formats() {
81 println!("\t formats: {:?}", formats.collect::<Vec<_>>());
82 } else {
83 println!("\t formats: any");
84 }
85 }
86
87 if let Ok(audio) = codec.audio() {
88 if let Some(rates) = audio.rates() {
89 println!("\t rates: {:?}", rates.collect::<Vec<_>>());
90 } else {
91 println!("\t rates: any");
92 }
93
94 if let Some(formats) = audio.formats() {
95 println!("\t formats: {:?}", formats.collect::<Vec<_>>());
96 } else {
97 println!("\t formats: any");
98 }
99
100 if let Some(layouts) = audio.channel_layouts() {
101 println!("\t channel_layouts: {:?}", layouts.collect::<Vec<_>>());
102 } else {
103 println!("\t channel_layouts: any");
104 }
105 }
106
107 println!("\t max_lowres: {:?}", codec.max_lowres());
108 }
109 }
110}
pub fn is_audio(&self) -> bool
Sourcepub fn audio(self) -> Result<Audio, Error>
pub fn audio(self) -> Result<Audio, Error>
Examples found in repository?
examples/transcode-audio.rs (line 79)
65fn transcoder<P: AsRef<Path> + ?Sized>(
66 ictx: &mut format::context::Input,
67 octx: &mut format::context::Output,
68 path: &P,
69 filter_spec: &str,
70) -> Result<Transcoder, ffmpeg::Error> {
71 let input = ictx
72 .streams()
73 .best(media::Type::Audio)
74 .expect("could not find best audio stream");
75 let context = ffmpeg::codec::context::Context::from_parameters(input.parameters())?;
76 let mut decoder = context.decoder().audio()?;
77 let codec = ffmpeg::encoder::find(octx.format().codec(path, media::Type::Audio))
78 .expect("failed to find encoder")
79 .audio()?;
80 let global = octx
81 .format()
82 .flags()
83 .contains(ffmpeg::format::flag::Flags::GLOBAL_HEADER);
84
85 decoder.set_parameters(input.parameters())?;
86
87 let mut output = octx.add_stream(codec)?;
88 let context = ffmpeg::codec::context::Context::from_parameters(output.parameters())?;
89 let mut encoder = context.encoder().audio()?;
90
91 let channel_layout = codec
92 .channel_layouts()
93 .map(|cls| cls.best(decoder.channel_layout().channels()))
94 .unwrap_or(ffmpeg::channel_layout::ChannelLayout::STEREO);
95
96 if global {
97 encoder.set_flags(ffmpeg::codec::flag::Flags::GLOBAL_HEADER);
98 }
99
100 encoder.set_rate(decoder.rate() as i32);
101 encoder.set_channel_layout(channel_layout);
102 #[cfg(not(feature = "ffmpeg_7_0"))]
103 {
104 encoder.set_channels(channel_layout.channels());
105 }
106 encoder.set_format(
107 codec
108 .formats()
109 .expect("unknown supported formats")
110 .next()
111 .unwrap(),
112 );
113 encoder.set_bit_rate(decoder.bit_rate());
114 encoder.set_max_bit_rate(decoder.max_bit_rate());
115
116 encoder.set_time_base((1, decoder.rate() as i32));
117 output.set_time_base((1, decoder.rate() as i32));
118
119 let encoder = encoder.open_as(codec)?;
120 output.set_parameters(&encoder);
121
122 let filter = filter(filter_spec, &decoder, &encoder)?;
123
124 let in_time_base = decoder.time_base();
125 let out_time_base = output.time_base();
126
127 Ok(Transcoder {
128 stream: input.index(),
129 filter,
130 decoder,
131 encoder,
132 in_time_base,
133 out_time_base,
134 })
135}
More examples
examples/codec-info.rs (line 37)
5fn main() {
6 ffmpeg::init().unwrap();
7
8 for arg in env::args().skip(1) {
9 if let Some(codec) = ffmpeg::decoder::find_by_name(&arg) {
10 println!("type: decoder");
11 println!("\t id: {:?}", codec.id());
12 println!("\t name: {}", codec.name());
13 println!("\t description: {}", codec.description());
14 println!("\t medium: {:?}", codec.medium());
15 println!("\t capabilities: {:?}", codec.capabilities());
16
17 if let Some(profiles) = codec.profiles() {
18 println!("\t profiles: {:?}", profiles.collect::<Vec<_>>());
19 } else {
20 println!("\t profiles: none");
21 }
22
23 if let Ok(video) = codec.video() {
24 if let Some(rates) = video.rates() {
25 println!("\t rates: {:?}", rates.collect::<Vec<_>>());
26 } else {
27 println!("\t rates: any");
28 }
29
30 if let Some(formats) = video.formats() {
31 println!("\t formats: {:?}", formats.collect::<Vec<_>>());
32 } else {
33 println!("\t formats: any");
34 }
35 }
36
37 if let Ok(audio) = codec.audio() {
38 if let Some(rates) = audio.rates() {
39 println!("\t rates: {:?}", rates.collect::<Vec<_>>());
40 } else {
41 println!("\t rates: any");
42 }
43
44 if let Some(formats) = audio.formats() {
45 println!("\t formats: {:?}", formats.collect::<Vec<_>>());
46 } else {
47 println!("\t formats: any");
48 }
49
50 if let Some(layouts) = audio.channel_layouts() {
51 println!("\t channel_layouts: {:?}", layouts.collect::<Vec<_>>());
52 } else {
53 println!("\t channel_layouts: any");
54 }
55 }
56
57 println!("\t max_lowres: {:?}", codec.max_lowres());
58 }
59
60 if let Some(codec) = ffmpeg::encoder::find_by_name(&arg) {
61 println!();
62 println!("type: encoder");
63 println!("\t id: {:?}", codec.id());
64 println!("\t name: {}", codec.name());
65 println!("\t description: {}", codec.description());
66 println!("\t medium: {:?}", codec.medium());
67 println!("\t capabilities: {:?}", codec.capabilities());
68
69 if let Some(profiles) = codec.profiles() {
70 println!("\t profiles: {:?}", profiles.collect::<Vec<_>>());
71 }
72
73 if let Ok(video) = codec.video() {
74 if let Some(rates) = video.rates() {
75 println!("\t rates: {:?}", rates.collect::<Vec<_>>());
76 } else {
77 println!("\t rates: any");
78 }
79
80 if let Some(formats) = video.formats() {
81 println!("\t formats: {:?}", formats.collect::<Vec<_>>());
82 } else {
83 println!("\t formats: any");
84 }
85 }
86
87 if let Ok(audio) = codec.audio() {
88 if let Some(rates) = audio.rates() {
89 println!("\t rates: {:?}", rates.collect::<Vec<_>>());
90 } else {
91 println!("\t rates: any");
92 }
93
94 if let Some(formats) = audio.formats() {
95 println!("\t formats: {:?}", formats.collect::<Vec<_>>());
96 } else {
97 println!("\t formats: any");
98 }
99
100 if let Some(layouts) = audio.channel_layouts() {
101 println!("\t channel_layouts: {:?}", layouts.collect::<Vec<_>>());
102 } else {
103 println!("\t channel_layouts: any");
104 }
105 }
106
107 println!("\t max_lowres: {:?}", codec.max_lowres());
108 }
109 }
110}
Sourcepub fn max_lowres(&self) -> i32
pub fn max_lowres(&self) -> i32
Examples found in repository?
examples/codec-info.rs (line 57)
5fn main() {
6 ffmpeg::init().unwrap();
7
8 for arg in env::args().skip(1) {
9 if let Some(codec) = ffmpeg::decoder::find_by_name(&arg) {
10 println!("type: decoder");
11 println!("\t id: {:?}", codec.id());
12 println!("\t name: {}", codec.name());
13 println!("\t description: {}", codec.description());
14 println!("\t medium: {:?}", codec.medium());
15 println!("\t capabilities: {:?}", codec.capabilities());
16
17 if let Some(profiles) = codec.profiles() {
18 println!("\t profiles: {:?}", profiles.collect::<Vec<_>>());
19 } else {
20 println!("\t profiles: none");
21 }
22
23 if let Ok(video) = codec.video() {
24 if let Some(rates) = video.rates() {
25 println!("\t rates: {:?}", rates.collect::<Vec<_>>());
26 } else {
27 println!("\t rates: any");
28 }
29
30 if let Some(formats) = video.formats() {
31 println!("\t formats: {:?}", formats.collect::<Vec<_>>());
32 } else {
33 println!("\t formats: any");
34 }
35 }
36
37 if let Ok(audio) = codec.audio() {
38 if let Some(rates) = audio.rates() {
39 println!("\t rates: {:?}", rates.collect::<Vec<_>>());
40 } else {
41 println!("\t rates: any");
42 }
43
44 if let Some(formats) = audio.formats() {
45 println!("\t formats: {:?}", formats.collect::<Vec<_>>());
46 } else {
47 println!("\t formats: any");
48 }
49
50 if let Some(layouts) = audio.channel_layouts() {
51 println!("\t channel_layouts: {:?}", layouts.collect::<Vec<_>>());
52 } else {
53 println!("\t channel_layouts: any");
54 }
55 }
56
57 println!("\t max_lowres: {:?}", codec.max_lowres());
58 }
59
60 if let Some(codec) = ffmpeg::encoder::find_by_name(&arg) {
61 println!();
62 println!("type: encoder");
63 println!("\t id: {:?}", codec.id());
64 println!("\t name: {}", codec.name());
65 println!("\t description: {}", codec.description());
66 println!("\t medium: {:?}", codec.medium());
67 println!("\t capabilities: {:?}", codec.capabilities());
68
69 if let Some(profiles) = codec.profiles() {
70 println!("\t profiles: {:?}", profiles.collect::<Vec<_>>());
71 }
72
73 if let Ok(video) = codec.video() {
74 if let Some(rates) = video.rates() {
75 println!("\t rates: {:?}", rates.collect::<Vec<_>>());
76 } else {
77 println!("\t rates: any");
78 }
79
80 if let Some(formats) = video.formats() {
81 println!("\t formats: {:?}", formats.collect::<Vec<_>>());
82 } else {
83 println!("\t formats: any");
84 }
85 }
86
87 if let Ok(audio) = codec.audio() {
88 if let Some(rates) = audio.rates() {
89 println!("\t rates: {:?}", rates.collect::<Vec<_>>());
90 } else {
91 println!("\t rates: any");
92 }
93
94 if let Some(formats) = audio.formats() {
95 println!("\t formats: {:?}", formats.collect::<Vec<_>>());
96 } else {
97 println!("\t formats: any");
98 }
99
100 if let Some(layouts) = audio.channel_layouts() {
101 println!("\t channel_layouts: {:?}", layouts.collect::<Vec<_>>());
102 } else {
103 println!("\t channel_layouts: any");
104 }
105 }
106
107 println!("\t max_lowres: {:?}", codec.max_lowres());
108 }
109 }
110}
Sourcepub fn capabilities(&self) -> Capabilities
pub fn capabilities(&self) -> Capabilities
Examples found in repository?
examples/transcode-audio.rs (line 42)
9fn filter(
10 spec: &str,
11 decoder: &codec::decoder::Audio,
12 encoder: &codec::encoder::Audio,
13) -> Result<filter::Graph, ffmpeg::Error> {
14 let mut filter = filter::Graph::new();
15
16 let args = format!(
17 "time_base={}:sample_rate={}:sample_fmt={}:channel_layout=0x{:x}",
18 decoder.time_base(),
19 decoder.rate(),
20 decoder.format().name(),
21 decoder.channel_layout().bits()
22 );
23
24 filter.add(&filter::find("abuffer").unwrap(), "in", &args)?;
25 filter.add(&filter::find("abuffersink").unwrap(), "out", "")?;
26
27 {
28 let mut out = filter.get("out").unwrap();
29
30 out.set_sample_format(encoder.format());
31 out.set_channel_layout(encoder.channel_layout());
32 out.set_sample_rate(encoder.rate());
33 }
34
35 filter.output("in", 0)?.input("out", 0)?.parse(spec)?;
36 filter.validate()?;
37
38 println!("{}", filter.dump());
39
40 if let Some(codec) = encoder.codec() {
41 if !codec
42 .capabilities()
43 .contains(ffmpeg::codec::capabilities::Capabilities::VARIABLE_FRAME_SIZE)
44 {
45 filter
46 .get("out")
47 .unwrap()
48 .sink()
49 .set_frame_size(encoder.frame_size());
50 }
51 }
52
53 Ok(filter)
54}
More examples
examples/codec-info.rs (line 15)
5fn main() {
6 ffmpeg::init().unwrap();
7
8 for arg in env::args().skip(1) {
9 if let Some(codec) = ffmpeg::decoder::find_by_name(&arg) {
10 println!("type: decoder");
11 println!("\t id: {:?}", codec.id());
12 println!("\t name: {}", codec.name());
13 println!("\t description: {}", codec.description());
14 println!("\t medium: {:?}", codec.medium());
15 println!("\t capabilities: {:?}", codec.capabilities());
16
17 if let Some(profiles) = codec.profiles() {
18 println!("\t profiles: {:?}", profiles.collect::<Vec<_>>());
19 } else {
20 println!("\t profiles: none");
21 }
22
23 if let Ok(video) = codec.video() {
24 if let Some(rates) = video.rates() {
25 println!("\t rates: {:?}", rates.collect::<Vec<_>>());
26 } else {
27 println!("\t rates: any");
28 }
29
30 if let Some(formats) = video.formats() {
31 println!("\t formats: {:?}", formats.collect::<Vec<_>>());
32 } else {
33 println!("\t formats: any");
34 }
35 }
36
37 if let Ok(audio) = codec.audio() {
38 if let Some(rates) = audio.rates() {
39 println!("\t rates: {:?}", rates.collect::<Vec<_>>());
40 } else {
41 println!("\t rates: any");
42 }
43
44 if let Some(formats) = audio.formats() {
45 println!("\t formats: {:?}", formats.collect::<Vec<_>>());
46 } else {
47 println!("\t formats: any");
48 }
49
50 if let Some(layouts) = audio.channel_layouts() {
51 println!("\t channel_layouts: {:?}", layouts.collect::<Vec<_>>());
52 } else {
53 println!("\t channel_layouts: any");
54 }
55 }
56
57 println!("\t max_lowres: {:?}", codec.max_lowres());
58 }
59
60 if let Some(codec) = ffmpeg::encoder::find_by_name(&arg) {
61 println!();
62 println!("type: encoder");
63 println!("\t id: {:?}", codec.id());
64 println!("\t name: {}", codec.name());
65 println!("\t description: {}", codec.description());
66 println!("\t medium: {:?}", codec.medium());
67 println!("\t capabilities: {:?}", codec.capabilities());
68
69 if let Some(profiles) = codec.profiles() {
70 println!("\t profiles: {:?}", profiles.collect::<Vec<_>>());
71 }
72
73 if let Ok(video) = codec.video() {
74 if let Some(rates) = video.rates() {
75 println!("\t rates: {:?}", rates.collect::<Vec<_>>());
76 } else {
77 println!("\t rates: any");
78 }
79
80 if let Some(formats) = video.formats() {
81 println!("\t formats: {:?}", formats.collect::<Vec<_>>());
82 } else {
83 println!("\t formats: any");
84 }
85 }
86
87 if let Ok(audio) = codec.audio() {
88 if let Some(rates) = audio.rates() {
89 println!("\t rates: {:?}", rates.collect::<Vec<_>>());
90 } else {
91 println!("\t rates: any");
92 }
93
94 if let Some(formats) = audio.formats() {
95 println!("\t formats: {:?}", formats.collect::<Vec<_>>());
96 } else {
97 println!("\t formats: any");
98 }
99
100 if let Some(layouts) = audio.channel_layouts() {
101 println!("\t channel_layouts: {:?}", layouts.collect::<Vec<_>>());
102 } else {
103 println!("\t channel_layouts: any");
104 }
105 }
106
107 println!("\t max_lowres: {:?}", codec.max_lowres());
108 }
109 }
110}
Sourcepub fn profiles(&self) -> Option<ProfileIter>
pub fn profiles(&self) -> Option<ProfileIter>
Examples found in repository?
examples/codec-info.rs (line 17)
5fn main() {
6 ffmpeg::init().unwrap();
7
8 for arg in env::args().skip(1) {
9 if let Some(codec) = ffmpeg::decoder::find_by_name(&arg) {
10 println!("type: decoder");
11 println!("\t id: {:?}", codec.id());
12 println!("\t name: {}", codec.name());
13 println!("\t description: {}", codec.description());
14 println!("\t medium: {:?}", codec.medium());
15 println!("\t capabilities: {:?}", codec.capabilities());
16
17 if let Some(profiles) = codec.profiles() {
18 println!("\t profiles: {:?}", profiles.collect::<Vec<_>>());
19 } else {
20 println!("\t profiles: none");
21 }
22
23 if let Ok(video) = codec.video() {
24 if let Some(rates) = video.rates() {
25 println!("\t rates: {:?}", rates.collect::<Vec<_>>());
26 } else {
27 println!("\t rates: any");
28 }
29
30 if let Some(formats) = video.formats() {
31 println!("\t formats: {:?}", formats.collect::<Vec<_>>());
32 } else {
33 println!("\t formats: any");
34 }
35 }
36
37 if let Ok(audio) = codec.audio() {
38 if let Some(rates) = audio.rates() {
39 println!("\t rates: {:?}", rates.collect::<Vec<_>>());
40 } else {
41 println!("\t rates: any");
42 }
43
44 if let Some(formats) = audio.formats() {
45 println!("\t formats: {:?}", formats.collect::<Vec<_>>());
46 } else {
47 println!("\t formats: any");
48 }
49
50 if let Some(layouts) = audio.channel_layouts() {
51 println!("\t channel_layouts: {:?}", layouts.collect::<Vec<_>>());
52 } else {
53 println!("\t channel_layouts: any");
54 }
55 }
56
57 println!("\t max_lowres: {:?}", codec.max_lowres());
58 }
59
60 if let Some(codec) = ffmpeg::encoder::find_by_name(&arg) {
61 println!();
62 println!("type: encoder");
63 println!("\t id: {:?}", codec.id());
64 println!("\t name: {}", codec.name());
65 println!("\t description: {}", codec.description());
66 println!("\t medium: {:?}", codec.medium());
67 println!("\t capabilities: {:?}", codec.capabilities());
68
69 if let Some(profiles) = codec.profiles() {
70 println!("\t profiles: {:?}", profiles.collect::<Vec<_>>());
71 }
72
73 if let Ok(video) = codec.video() {
74 if let Some(rates) = video.rates() {
75 println!("\t rates: {:?}", rates.collect::<Vec<_>>());
76 } else {
77 println!("\t rates: any");
78 }
79
80 if let Some(formats) = video.formats() {
81 println!("\t formats: {:?}", formats.collect::<Vec<_>>());
82 } else {
83 println!("\t formats: any");
84 }
85 }
86
87 if let Ok(audio) = codec.audio() {
88 if let Some(rates) = audio.rates() {
89 println!("\t rates: {:?}", rates.collect::<Vec<_>>());
90 } else {
91 println!("\t rates: any");
92 }
93
94 if let Some(formats) = audio.formats() {
95 println!("\t formats: {:?}", formats.collect::<Vec<_>>());
96 } else {
97 println!("\t formats: any");
98 }
99
100 if let Some(layouts) = audio.channel_layouts() {
101 println!("\t channel_layouts: {:?}", layouts.collect::<Vec<_>>());
102 } else {
103 println!("\t channel_layouts: any");
104 }
105 }
106
107 println!("\t max_lowres: {:?}", codec.max_lowres());
108 }
109 }
110}
Trait Implementations§
impl Copy for Codec
impl Eq for Codec
impl Send for Codec
impl StructuralPartialEq for Codec
impl Sync for Codec
Auto Trait Implementations§
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Source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
Source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more