Kieran/zap-stream-core
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kieran
2024-03-25 10:32:03 +00:00
parent 529e3b6234
commit 9a086d80c1
22 changed files with 615 additions and 448 deletions
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12
src/scale/mod.rs
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@ -3,14 +3,14 @@ use std::ptr;
use anyhow::Error;
use ffmpeg_sys_next::{
av_frame_alloc, av_frame_copy_props, av_frame_unref, AVFrame, SWS_BILINEAR, sws_getContext,
sws_scale_frame, SwsContext,
av_buffer_ref, av_frame_alloc, av_frame_copy_props, av_frame_unref, AVBufferRef,
AVFrame, SWS_BILINEAR, sws_getContext, sws_scale_frame, SwsContext,
};
use tokio::sync::broadcast;
use tokio::sync::mpsc::UnboundedSender;
use crate::pipeline::PipelinePayload;
use crate::utils::get_ffmpeg_error_msg;
use crate::utils::{get_ffmpeg_error_msg, video_variant_id_ref};
use crate::variant::VideoVariant;
pub struct Scaler {
@ -18,9 +18,11 @@ pub struct Scaler {
ctx: *mut SwsContext,
chan_in: broadcast::Receiver<PipelinePayload>,
chan_out: UnboundedSender<PipelinePayload>,
var_id_ref: *mut AVBufferRef,
}
unsafe impl Send for Scaler {}
unsafe impl Sync for Scaler {}
impl Scaler {
@ -29,11 +31,13 @@ impl Scaler {
chan_out: UnboundedSender<PipelinePayload>,
variant: VideoVariant,
) -> Self {
let id_ref = video_variant_id_ref(&variant);
Self {
chan_in,
chan_out,
variant,
ctx: ptr::null_mut(),
var_id_ref: id_ref,
}
}
@ -78,6 +82,8 @@ impl Scaler {
(*dst_frame).time_base = (*frame).time_base;
(*dst_frame).pts = (*frame).pts;
(*dst_frame).pkt_dts = (*frame).pkt_dts;
(*dst_frame).opaque_ref = av_buffer_ref(self.var_id_ref);
self.chan_out.send(PipelinePayload::AvFrame(dst_frame))?;
Ok(())
}