Struct CarrierDemuxer 

pub struct CarrierDemuxer<C: FfmpegCarrier> { /* private fields */ }

mediadecode::demuxer::Demuxer impl wrapping ffmpeg::format::context::Input.

Construction is deliberately not on the trait — see Self::open and Self::open_reader.

Implementations

impl CarrierDemuxer<View>

pub fn open<P: AsRef<Path> + ?Sized>(path: &P) -> Result<Self, DemuxError>

Opens a container from a filesystem path.

Runs avformat_open_input followed by avformat_find_stream_info, then builds the track table and captures every attachment payload.

Call ffmpeg_next::init once before the first open if you want FFmpeg’s logging and network protocols configured; probing a local container does not require it.

pub fn open_with<P: AsRef<Path> + ?Sized>( path: &P, limits: DemuxLimits, ) -> Result<Self, DemuxError>

Self::open, with the session’s resource budgets named.

The budgets are taken at open rather than through a with_* builder because the attachment half of them is spent here: every attachment payload is captured during this call.

pub fn open_reader<R: Read + Seek + Send + 'static>( reader: R, url: Option<&str>, ) -> Result<Self, DemuxError>

Opens a container from any Read + Seek source.

pub fn open_reader_with<R: Read + Seek + Send + 'static>( reader: R, url: Option<&str>, limits: DemuxLimits, ) -> Result<Self, DemuxError>

Self::open_reader, with the session’s budgets named.

pub const fn input(&self) -> &Input

The wrapped AVFormatContext.

pub const fn limits(&self) -> DemuxLimits

The budgets this session was opened with.

impl CarrierDemuxer<Owned>

pub fn open<P: AsRef<Path> + ?Sized>(path: &P) -> Result<Self, DemuxError>

Opens a container from a filesystem path.

Runs avformat_open_input followed by avformat_find_stream_info, then builds the track table and captures every attachment payload.

Call ffmpeg_next::init once before the first open if you want FFmpeg’s logging and network protocols configured; probing a local container does not require it.

pub fn open_with<P: AsRef<Path> + ?Sized>( path: &P, limits: DemuxLimits, ) -> Result<Self, DemuxError>

Self::open, with the session’s resource budgets named.

The budgets are taken at open rather than through a with_* builder because the attachment half of them is spent here: every attachment payload is captured during this call.

pub fn open_reader<R: Read + Seek + Send + 'static>( reader: R, url: Option<&str>, ) -> Result<Self, DemuxError>

Opens a container from any Read + Seek source.

pub fn open_reader_with<R: Read + Seek + Send + 'static>( reader: R, url: Option<&str>, limits: DemuxLimits, ) -> Result<Self, DemuxError>

Self::open_reader, with the session’s budgets named.

pub const fn input(&self) -> &Input

The wrapped AVFormatContext.

pub const fn limits(&self) -> DemuxLimits

The budgets this session was opened with.

Trait Implementations

impl Demuxer for CarrierDemuxer<View>

fn next_packet( &mut self, ) -> Result<Option<DemuxedPacket<Ffmpeg, Self::Buffer>>, DemuxError>

Pulls the next packet.

A refusal that another attempt could survive costs no packet. av_read_frame advances the container, so a conversion that then fails on an allocation would otherwise drop bytes nothing can ask for again. Such a packet is parked instead, and this method re-attempts it before reading another — so a caller who pulls again loses nothing. A refusal about the packet itself is not parked: retrying a malformed packet forever would be worse than passing it by.

type Adapter = Ffmpeg

Backend-specific vocabulary.

type Buffer = <View as FfmpegCarrier>::Buffer

Buffer type held by the packets this session produces.

type Error = DemuxError

Demuxer-specific error type.

fn tracks(&self) -> &[TrackInfo<Ffmpeg>]

Returns the container’s track table.

fn take_tracks(&mut self) -> Vec<TrackInfo<Ffmpeg>>

Available on crate features alloc or std only.

Moves the whole track table out, once.

fn seek(&mut self, target: Timestamp) -> Result<(), DemuxError>

Seeks to target, landing on the nearest keyframe at or before it.

impl Demuxer for CarrierDemuxer<Owned>

fn next_packet( &mut self, ) -> Result<Option<DemuxedPacket<Ffmpeg, Self::Buffer>>, DemuxError>

Pulls the next packet.

A refusal that another attempt could survive costs no packet. av_read_frame advances the container, so a conversion that then fails on an allocation would otherwise drop bytes nothing can ask for again. Such a packet is parked instead, and this method re-attempts it before reading another — so a caller who pulls again loses nothing. A refusal about the packet itself is not parked: retrying a malformed packet forever would be worse than passing it by.

type Adapter = Ffmpeg

Backend-specific vocabulary.

type Buffer = <Owned as FfmpegCarrier>::Buffer

Buffer type held by the packets this session produces.

type Error = DemuxError

Demuxer-specific error type.

fn tracks(&self) -> &[TrackInfo<Ffmpeg>]

Returns the container’s track table.

fn take_tracks(&mut self) -> Vec<TrackInfo<Ffmpeg>>

Available on crate features alloc or std only.

Moves the whole track table out, once.

fn seek(&mut self, target: Timestamp) -> Result<(), DemuxError>

Seeks to target, landing on the nearest keyframe at or before it.