Audio codec libfdk_aac

This commit is contained in:
2024-03-27 16:33:43 +00:00
parent 298bfd994b
commit 9c4969cf95
16 changed files with 549 additions and 127 deletions

View File

@ -3,14 +3,13 @@ use std::ptr;
use anyhow::Error;
use ffmpeg_sys_next::{
av_buffer_ref, av_opt_set, av_packet_alloc, av_packet_free, av_packet_rescale_ts,
AVBufferRef, AVCodec, avcodec_alloc_context3, avcodec_find_encoder,
avcodec_open2, avcodec_receive_packet, avcodec_send_frame, AVCodecContext, AVERROR, AVFrame, AVRational,
av_buffer_ref, av_packet_alloc, av_packet_free, av_packet_rescale_ts, avcodec_alloc_context3,
avcodec_find_encoder, avcodec_open2, avcodec_receive_packet, avcodec_send_frame, AVBufferRef,
AVCodec, AVCodecContext, AVFrame, AVStream, AVERROR,
};
use ffmpeg_sys_next::AVColorSpace::AVCOL_SPC_BT709;
use ffmpeg_sys_next::AVPixelFormat::AV_PIX_FMT_YUV420P;
use libc::EAGAIN;
use tokio::sync::mpsc::UnboundedSender;
use crate::encode::set_encoded_pkt_timing;
use crate::ipc::Rx;
use crate::pipeline::{PipelinePayload, PipelineProcessor};
@ -31,8 +30,8 @@ unsafe impl<T> Send for VideoEncoder<T> {}
unsafe impl<T> Sync for VideoEncoder<T> {}
impl<TRecv> VideoEncoder<TRecv>
where
TRecv: Rx<PipelinePayload>,
where
TRecv: Rx<PipelinePayload>,
{
pub fn new(
chan_in: TRecv,
@ -63,28 +62,7 @@ impl<TRecv> VideoEncoder<TRecv>
return Err(Error::msg("Failed to allocate encoder context"));
}
(*ctx).time_base = self.variant.time_base();
(*ctx).bit_rate = self.variant.bitrate as i64;
(*ctx).width = (*frame).width;
(*ctx).height = (*frame).height;
(*ctx).level = self.variant.level as libc::c_int;
(*ctx).profile = self.variant.profile as libc::c_int;
(*ctx).framerate = AVRational {
num: 1,
den: self.variant.fps as libc::c_int,
};
let key_frames = self.variant.fps * self.variant.keyframe_interval;
(*ctx).gop_size = key_frames as libc::c_int;
(*ctx).max_b_frames = 1;
(*ctx).pix_fmt = AV_PIX_FMT_YUV420P;
(*ctx).colorspace = AVCOL_SPC_BT709;
av_opt_set(
(*ctx).priv_data,
"preset\0".as_ptr() as *const libc::c_char,
"fast\0".as_ptr() as *const libc::c_char,
0,
);
self.variant.to_codec_context(ctx);
let ret = avcodec_open2(ctx, encoder, ptr::null_mut());
if ret < 0 {
@ -119,9 +97,7 @@ impl<TRecv> VideoEncoder<TRecv>
return Err(Error::msg(get_ffmpeg_error_msg(ret)));
}
(*pkt).time_base = (*self.ctx).time_base;
(*pkt).duration = (*frame).duration;
av_packet_rescale_ts(pkt, (*frame).time_base, (*self.ctx).time_base);
set_encoded_pkt_timing(self.ctx, pkt, frame);
(*pkt).opaque = self.ctx as *mut libc::c_void;
(*pkt).opaque_ref = av_buffer_ref(self.var_id_ref);
self.chan_out
@ -133,8 +109,8 @@ impl<TRecv> VideoEncoder<TRecv>
}
impl<TRecv> PipelineProcessor for VideoEncoder<TRecv>
where
TRecv: Rx<PipelinePayload>,
where
TRecv: Rx<PipelinePayload>,
{
fn process(&mut self) -> Result<(), Error> {
while let Ok(pkg) = self.chan_in.try_recv_next() {