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abr

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This commit is contained in:
csf
2022-06-23 17:42:30 +08:00
parent c1906914a0
commit ece86cda9e
13 changed files with 493 additions and 206 deletions
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29
libs/scrap/src/common/codec.rs
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@@ -107,17 +107,6 @@ impl Encoder {
c.rc_target_bitrate = config.bitrate;
c.rc_undershoot_pct = 95;
c.rc_dropframe_thresh = 25;
if config.rc_min_quantizer > 0 {
c.rc_min_quantizer = config.rc_min_quantizer;
}
if config.rc_max_quantizer > 0 {
c.rc_max_quantizer = config.rc_max_quantizer;
}
let mut speed = config.speed;
if speed <= 0 {
speed = 6;
}
c.g_threads = if num_threads == 0 {
num_cpus::get() as _
} else {
@@ -162,7 +151,7 @@ impl Encoder {
Higher numbers (7 or 8) will be lower quality but more manageable for lower latency
use cases and also for lower CPU power devices such as mobile.
*/
call_vpx!(vpx_codec_control_(&mut ctx, VP8E_SET_CPUUSED as _, speed,));
call_vpx!(vpx_codec_control_(&mut ctx, VP8E_SET_CPUUSED as _, 7,));
// set row level multi-threading
/*
as some people in comments and below have already commented,
@@ -222,6 +211,19 @@ impl Encoder {
})
}
pub fn set_bitrate(&mut self, bitrate: c_uint) -> Result<()> {
// let mut cfg = self.ctx.config.enc;
let mut new_enc_cfg = unsafe { *self.ctx.config.enc.to_owned() };
new_enc_cfg.rc_target_bitrate = bitrate;
call_vpx!(vpx_codec_enc_config_set(&mut self.ctx, &new_enc_cfg));
return Ok(());
}
pub fn get_bitrate(&mut self) -> u32 {
let cfg = unsafe { *self.ctx.config.enc.to_owned() };
cfg.rc_target_bitrate
}
/// Notify the encoder to return any pending packets
pub fn flush(&mut self) -> Result<EncodeFrames> {
call_vpx!(vpx_codec_encode(
@@ -273,9 +275,6 @@ pub struct Config {
pub bitrate: c_uint,
/// The codec
pub codec: VideoCodecId,
pub rc_min_quantizer: u32,
pub rc_max_quantizer: u32,
pub speed: i32,
}
pub struct EncodeFrames<'a> {