chris/iced_video_player
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force format=NV12

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jazzfool 2024-09-29 19:54:48 +10:00
parent 9d60f260b0
commit a7ed9170dd
1 changed files with 6 additions and 7 deletions
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13
src/video.rs
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@ -113,13 +113,13 @@ impl Video {
/// Create a new video player from a given video which loads from `uri`. /// Create a new video player from a given video which loads from `uri`.
/// Note that live sourced will report the duration to be zero. /// Note that live sourced will report the duration to be zero.
pub fn new(uri: &url::Url) -> Result<Self, Error> { pub fn new(uri: &url::Url) -> Result<Self, Error> {
let pipeline = format!("uridecodebin uri=\"{}\" ! videoconvert ! videoscale ! appsink name=iced_video caps=video/x-raw,pixel-aspect-ratio=1/1", uri.as_str()); let pipeline = format!("uridecodebin uri=\"{}\" ! videoconvert ! videoscale ! appsink name=iced_video caps=video/x-raw,format=NV12,pixel-aspect-ratio=1/1", uri.as_str());
Self::from_pipeline(pipeline, None) Self::from_pipeline(pipeline, None)
} }
/// Creates a new video based on GStreamer pipeline in a same format as used in gst-launch-1.0. /// Creates a new video based on GStreamer pipeline in a same format as used in gst-launch-1.0.
/// Expects an appsink plugin to be present with name set to `iced_video` and caps to /// Expects an appsink plugin to be present with name set to `iced_video` and caps to
/// `video/x-raw,pixel-aspect-ratio=1/1` /// `video/x-raw,format=NV12,pixel-aspect-ratio=1/1`
pub fn from_pipeline<S: AsRef<str>>(pipeline: S, is_live: Option<bool>) -> Result<Self, Error> { pub fn from_pipeline<S: AsRef<str>>(pipeline: S, is_live: Option<bool>) -> Result<Self, Error> {
gst::init()?; gst::init()?;
let pipeline = gst::parse::launch(pipeline.as_ref())? let pipeline = gst::parse::launch(pipeline.as_ref())?
@ -131,7 +131,7 @@ impl Video {
/// Creates a new video based on GStreamer pipeline. /// Creates a new video based on GStreamer pipeline.
/// Expects an appsink plugin to be present with name set to `iced_video` and caps to /// Expects an appsink plugin to be present with name set to `iced_video` and caps to
/// `video/x-raw,pixel-aspect-ratio=1/1` /// `video/x-raw,format=NV12,pixel-aspect-ratio=1/1`
pub fn from_gst_pipeline( pub fn from_gst_pipeline(
pipeline: gst::Pipeline, pipeline: gst::Pipeline,
is_live: Option<bool>, is_live: Option<bool>,
@ -209,10 +209,9 @@ impl Video {
let buffer = sample.buffer().ok_or(gst::FlowError::Error)?; let buffer = sample.buffer().ok_or(gst::FlowError::Error)?;
let map = buffer.map_readable().map_err(|_| gst::FlowError::Error)?; let map = buffer.map_readable().map_err(|_| gst::FlowError::Error)?;
frame_ref let mut frame_ref = frame_ref.lock().map_err(|_| gst::FlowError::Error)?;
.lock() let frame_len = frame_ref.len();
.map_err(|_| gst::FlowError::Error)? frame_ref.copy_from_slice(&map.as_slice()[..frame_len]);
.copy_from_slice(map.as_slice());
upload_frame_ref.store(true, Ordering::SeqCst); upload_frame_ref.store(true, Ordering::SeqCst);