Struct Audio 

pub struct Audio(pub Opened);

Tuple Fields

0: Opened

Implementations

impl Audio

pub fn rate(&self) -> u32

pub fn channels(&self) -> u16

pub fn format(&self) -> Sample

pub fn request_format(&mut self, value: Sample)

pub fn frames(&self) -> usize

pub fn align(&self) -> usize

pub fn channel_layout(&self) -> ChannelLayout

pub fn set_channel_layout(&mut self, value: ChannelLayout)

pub fn request_channel_layout(&mut self, value: ChannelLayout)

pub fn audio_service(&mut self) -> AudioService

pub fn max_bit_rate(&self) -> usize

pub fn frame_size(&self) -> u32

impl Audio

pub fn resampler( &self, format: Sample, channel_layout: ChannelLayout, rate: u32, ) -> Result<Context, Error>

Methods from Deref<Target = Opened>

pub fn send_packet<P: Ref>(&mut self, packet: &P) -> Result<(), Error>

Examples found in repository

examples/dump-frames.rs (line 50)

fn main() -> Result<(), ffmpeg::Error> {
    ffmpeg::init().unwrap();

    if let Ok(mut ictx) = input(&env::args().nth(1).expect("Cannot open file.")) {
        let input = ictx
            .streams()
            .best(Type::Video)
            .ok_or(ffmpeg::Error::StreamNotFound)?;
        let video_stream_index = input.index();

        let context_decoder = ffmpeg::codec::context::Context::from_parameters(input.parameters())?;
        let mut decoder = context_decoder.decoder().video()?;

        let mut scaler = Context::get(
            decoder.format(),
            decoder.width(),
            decoder.height(),
            Pixel::RGB24,
            decoder.width(),
            decoder.height(),
            Flags::BILINEAR,
        )?;

        let mut frame_index = 0;

        let mut receive_and_process_decoded_frames =
            |decoder: &mut ffmpeg::decoder::Video| -> Result<(), ffmpeg::Error> {
                let mut decoded = Video::empty();
                while decoder.receive_frame(&mut decoded).is_ok() {
                    let mut rgb_frame = Video::empty();
                    scaler.run(&decoded, &mut rgb_frame)?;
                    save_file(&rgb_frame, frame_index).unwrap();
                    frame_index += 1;
                }
                Ok(())
            };

        for (stream, packet) in ictx.packets() {
            if stream.index() == video_stream_index {
                decoder.send_packet(&packet)?;
                receive_and_process_decoded_frames(&mut decoder)?;
            }
        }
        decoder.send_eof()?;
        receive_and_process_decoded_frames(&mut decoder)?;
    }

    Ok(())
}

pub fn send_eof(&mut self) -> Result<(), Error>

Sends a NULL packet to the decoder to signal end of stream and enter draining mode.

Examples found in repository

examples/dump-frames.rs (line 54)

fn main() -> Result<(), ffmpeg::Error> {
    ffmpeg::init().unwrap();

    if let Ok(mut ictx) = input(&env::args().nth(1).expect("Cannot open file.")) {
        let input = ictx
            .streams()
            .best(Type::Video)
            .ok_or(ffmpeg::Error::StreamNotFound)?;
        let video_stream_index = input.index();

        let context_decoder = ffmpeg::codec::context::Context::from_parameters(input.parameters())?;
        let mut decoder = context_decoder.decoder().video()?;

        let mut scaler = Context::get(
            decoder.format(),
            decoder.width(),
            decoder.height(),
            Pixel::RGB24,
            decoder.width(),
            decoder.height(),
            Flags::BILINEAR,
        )?;

        let mut frame_index = 0;

        let mut receive_and_process_decoded_frames =
            |decoder: &mut ffmpeg::decoder::Video| -> Result<(), ffmpeg::Error> {
                let mut decoded = Video::empty();
                while decoder.receive_frame(&mut decoded).is_ok() {
                    let mut rgb_frame = Video::empty();
                    scaler.run(&decoded, &mut rgb_frame)?;
                    save_file(&rgb_frame, frame_index).unwrap();
                    frame_index += 1;
                }
                Ok(())
            };

        for (stream, packet) in ictx.packets() {
            if stream.index() == video_stream_index {
                decoder.send_packet(&packet)?;
                receive_and_process_decoded_frames(&mut decoder)?;
            }
        }
        decoder.send_eof()?;
        receive_and_process_decoded_frames(&mut decoder)?;
    }

    Ok(())
}

pub fn receive_frame(&mut self, frame: &mut Frame) -> Result<(), Error>

Examples found in repository

examples/dump-frames.rs (line 39)

fn main() -> Result<(), ffmpeg::Error> {
    ffmpeg::init().unwrap();

    if let Ok(mut ictx) = input(&env::args().nth(1).expect("Cannot open file.")) {
        let input = ictx
            .streams()
            .best(Type::Video)
            .ok_or(ffmpeg::Error::StreamNotFound)?;
        let video_stream_index = input.index();

        let context_decoder = ffmpeg::codec::context::Context::from_parameters(input.parameters())?;
        let mut decoder = context_decoder.decoder().video()?;

        let mut scaler = Context::get(
            decoder.format(),
            decoder.width(),
            decoder.height(),
            Pixel::RGB24,
            decoder.width(),
            decoder.height(),
            Flags::BILINEAR,
        )?;

        let mut frame_index = 0;

        let mut receive_and_process_decoded_frames =
            |decoder: &mut ffmpeg::decoder::Video| -> Result<(), ffmpeg::Error> {
                let mut decoded = Video::empty();
                while decoder.receive_frame(&mut decoded).is_ok() {
                    let mut rgb_frame = Video::empty();
                    scaler.run(&decoded, &mut rgb_frame)?;
                    save_file(&rgb_frame, frame_index).unwrap();
                    frame_index += 1;
                }
                Ok(())
            };

        for (stream, packet) in ictx.packets() {
            if stream.index() == video_stream_index {
                decoder.send_packet(&packet)?;
                receive_and_process_decoded_frames(&mut decoder)?;
            }
        }
        decoder.send_eof()?;
        receive_and_process_decoded_frames(&mut decoder)?;
    }

    Ok(())
}

pub fn bit_rate(&self) -> usize

pub fn delay(&self) -> usize

pub fn profile(&self) -> Profile

pub fn frame_rate(&self) -> Option<Rational>

pub fn flush(&mut self)

Methods from Deref<Target = Decoder>

pub fn conceal(&mut self, value: Conceal)

pub fn check(&mut self, value: Check)

pub fn skip_loop_filter(&mut self, value: Discard)

pub fn skip_idct(&mut self, value: Discard)

pub fn skip_frame(&mut self, value: Discard)

pub fn packet_time_base(&self) -> Rational

pub fn set_packet_time_base<R: Into<Rational>>(&mut self, value: R)

Methods from Deref<Target = Context>

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

pub unsafe fn as_mut_ptr(&mut self) -> *mut AVCodecContext

pub fn codec(&self) -> Option<Codec>

pub fn medium(&self) -> Type

pub fn set_flags(&mut self, value: Flags)

pub fn id(&self) -> Id

pub fn compliance(&mut self, value: Compliance)

pub fn debug(&mut self, value: Debug)

pub fn set_threading(&mut self, config: Config)

pub fn threading(&self) -> Config

pub fn set_parameters<P: Into<Parameters>>( &mut self, parameters: P, ) -> Result<(), Error>

pub fn time_base(&self) -> Rational

pub fn set_time_base<R: Into<Rational>>(&mut self, value: R)

pub fn frame_rate(&self) -> Rational

pub fn set_frame_rate<R: Into<Rational>>(&mut self, value: Option<R>)

Trait Implementations

impl AsMut<Context> for Audio

fn as_mut(&mut self) -> &mut Context

Converts this type into a mutable reference of the (usually inferred) input type.

impl AsRef<Context> for Audio

fn as_ref(&self) -> &Context

Converts this type into a shared reference of the (usually inferred) input type.

impl Deref for Audio

type Target = Opened

The resulting type after dereferencing.

fn deref(&self) -> &<Self as Deref>::Target

Dereferences the value.

impl DerefMut for Audio

fn deref_mut(&mut self) -> &mut <Self as Deref>::Target

Mutably dereferences the value.