Enum StreamInfo 

#[non_exhaustive]
pub enum StreamInfo {
    #[non_exhaustive]
    Video {

        index: i32,
        time_base: AVRational,
        start_time: i64,
        duration: i64,
        nb_frames: i64,
        r_frame_rate: AVRational,
        sample_aspect_ratio: AVRational,
        metadata: HashMap<String, String>,
        avg_frame_rate: AVRational,
        codec_id: AVCodecID,
        codec_name: String,
        width: i32,
        height: i32,
        bit_rate: i64,
        pixel_format: i32,
        video_delay: i32,
        fps: f64,
        rotate: i32,
    
},
    #[non_exhaustive]
    Audio {

        index: i32,
        time_base: AVRational,
        start_time: i64,
        duration: i64,
        nb_frames: i64,
        metadata: HashMap<String, String>,
        avg_frame_rate: AVRational,
        codec_id: AVCodecID,
        codec_name: String,
        sample_rate: i32,
        nb_channels: i32,
        bit_rate: i64,
        sample_format: i32,
        frame_size: i32,
    
},
    #[non_exhaustive]
    Subtitle {
        index: i32,
        time_base: AVRational,
        start_time: i64,
        duration: i64,
        nb_frames: i64,
        metadata: HashMap<String, String>,
        codec_id: AVCodecID,
        codec_name: String,
    },
    #[non_exhaustive]
    Data {
        index: i32,
        time_base: AVRational,
        start_time: i64,
        duration: i64,
        metadata: HashMap<String, String>,
    },
    #[non_exhaustive]
    Attachment {
        index: i32,
        metadata: HashMap<String, String>,
        codec_id: AVCodecID,
        codec_name: String,
    },
    #[non_exhaustive]
    Unknown {
        index: i32,
        metadata: HashMap<String, String>,
    },
}

Variants (Non-exhaustive)

Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.

#[non_exhaustive]

Video

Video stream information

Fields

Non-exhaustive enum variants could have additional fields added in future. Therefore, non-exhaustive enum variants cannot be constructed in external crates and cannot be matched against.

index: i32

The index of the stream within the media file.

time_base: AVRational

The time base for the stream, representing the unit of time for each frame or packet.

start_time: i64

The start time of the stream, in time_base units.

duration: i64

The total duration of the stream, in time_base units.

nb_frames: i64

The total number of frames in the video stream.

r_frame_rate: AVRational

The raw frame rate (frames per second) of the video stream, represented as a rational number.

sample_aspect_ratio: AVRational

The sample aspect ratio of the video frames, which represents the shape of individual pixels.

metadata: HashMap<String, String>

Metadata associated with the video stream, such as title, language, etc.

avg_frame_rate: AVRational

The average frame rate of the stream, potentially accounting for variable frame rates.

codec_id: AVCodecID

The codec identifier (e.g., AV_CODEC_ID_H264) used to decode the video stream.

codec_name: String

A human-readable name of the codec used for the video stream.

width: i32

The width of the video frame in pixels.

height: i32

The height of the video frame in pixels.

bit_rate: i64

The bitrate of the video stream, measured in bits per second (bps).

pixel_format: i32

The pixel format of the video stream (e.g., AV_PIX_FMT_YUV420P).

video_delay: i32

Delay introduced by the video codec, measured in frames.

fps: f64

The frames per second (FPS) of the video stream, represented as a floating point number. It is calculated from the avg_framerate field (avg_framerate.num / avg_framerate.den).

rotate: i32

The rotation of the video stream in degrees. This value is retrieved from the metadata. Common values are 0, 90, 180, and 270.

#[non_exhaustive]

Audio

Audio stream information

Fields

Non-exhaustive enum variants could have additional fields added in future. Therefore, non-exhaustive enum variants cannot be constructed in external crates and cannot be matched against.

index: i32

The index of the audio stream within the media file.

time_base: AVRational

The time base for the stream, representing the unit of time for each audio packet.

start_time: i64

The start time of the audio stream, in time_base units.

duration: i64

The total duration of the audio stream, in time_base units.

nb_frames: i64

The total number of frames in the audio stream.

metadata: HashMap<String, String>

Metadata associated with the audio stream, such as language, title, etc.

avg_frame_rate: AVRational

The average frame rate of the audio stream, which might not always be applicable for audio streams.

codec_id: AVCodecID

The codec identifier used to decode the audio stream (e.g., AV_CODEC_ID_AAC).

codec_name: String

A human-readable name of the codec used for the audio stream.

sample_rate: i32

The audio sample rate, measured in samples per second (Hz).

nb_channels: i32

Number of channels in this layout.

bit_rate: i64

The bitrate of the audio stream, measured in bits per second (bps).

sample_format: i32

The format of the audio samples (e.g., AV_SAMPLE_FMT_FLTP for planar float samples).

frame_size: i32

The size of each audio frame, typically representing the number of samples per channel in one frame.

#[non_exhaustive]

Subtitle

Subtitle stream information

Fields

Non-exhaustive enum variants could have additional fields added in future. Therefore, non-exhaustive enum variants cannot be constructed in external crates and cannot be matched against.

index: i32

The index of the subtitle stream within the media file.

time_base: AVRational

The time base for the stream, representing the unit of time for each subtitle event.

start_time: i64

The start time of the subtitle stream, in time_base units.

duration: i64

The total duration of the subtitle stream, in time_base units.

nb_frames: i64

The total number of subtitle events in the stream.

metadata: HashMap<String, String>

Metadata associated with the subtitle stream, such as language.

codec_id: AVCodecID

The codec identifier used to decode the subtitle stream (e.g., AV_CODEC_ID_ASS).

codec_name: String

A human-readable name of the codec used for the subtitle stream.

#[non_exhaustive]

Data

Data stream information

Fields

Non-exhaustive enum variants could have additional fields added in future. Therefore, non-exhaustive enum variants cannot be constructed in external crates and cannot be matched against.

index: i32

The index of the data stream within the media file.

time_base: AVRational

The time base for the data stream, representing the unit of time for each data packet.

start_time: i64

The start time of the data stream, in time_base units.

duration: i64

The total duration of the data stream, in time_base units.

metadata: HashMap<String, String>

Metadata associated with the data stream, such as additional information about the stream content.

#[non_exhaustive]

Attachment

Attachment stream information

Fields

Non-exhaustive enum variants could have additional fields added in future. Therefore, non-exhaustive enum variants cannot be constructed in external crates and cannot be matched against.

index: i32

The index of the attachment stream within the media file.

metadata: HashMap<String, String>

Metadata associated with the attachment stream, such as details about the attached file.

codec_id: AVCodecID

The codec identifier used to decode the attachment stream (e.g., AV_CODEC_ID_PNG for images).

codec_name: String

A human-readable name of the codec used for the attachment stream.

#[non_exhaustive]

Unknown

Unknown or unrecognized stream type.

Returned when the codec type does not match any known media type (video, audio, subtitle, data, attachment) or when codecpar is null.

Fields

Non-exhaustive enum variants could have additional fields added in future. Therefore, non-exhaustive enum variants cannot be constructed in external crates and cannot be matched against.

index: i32

The index of the unknown stream within the media file.

metadata: HashMap<String, String>

Metadata associated with the unknown stream.

Implementations

impl StreamInfo

pub fn stream_type(&self) -> &'static str

Returns a human-readable label for this stream’s type (e.g. "Video", "Audio", "Unknown").

pub fn is_video(&self) -> bool

Returns true if this is a video stream.

pub fn is_audio(&self) -> bool

Returns true if this is an audio stream.

pub fn index(&self) -> i32

Returns the stream index within the media file.

Trait Implementations

impl Clone for StreamInfo

fn clone(&self) -> StreamInfo

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for StreamInfo

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.