opt supported encoding update, consider multi connections (#7978)

Signed-off-by: 21pages <pages21@163.com>

libs/scrap/src/common/codec.rs

@@ -15,7 +15,7 @@ use crate::{
     aom::{self, AomDecoder, AomEncoder, AomEncoderConfig},
     common::GoogleImage,
     vpxcodec::{self, VpxDecoder, VpxDecoderConfig, VpxEncoder, VpxEncoderConfig, VpxVideoCodecId},
-    CodecFormat, CodecName, EncodeInput, EncodeYuvFormat, ImageRgb,
+    CodecFormat, EncodeInput, EncodeYuvFormat, ImageRgb,
 };
 
 use hbb_common::{
@@ -38,6 +38,7 @@ lazy_static::lazy_static! {
     static ref PEER_DECODINGS: Arc<Mutex<HashMap<i32, SupportedDecoding>>> = Default::default();
     static ref ENCODE_CODEC_FORMAT: Arc<Mutex<CodecFormat>> = Arc::new(Mutex::new(CodecFormat::VP9));
     static ref THREAD_LOG_TIME: Arc<Mutex<Option<Instant>>> = Arc::new(Mutex::new(None));
+    static ref USABLE_ENCODING: Arc<Mutex<Option<SupportedEncoding>>> = Arc::new(Mutex::new(None));
 }
 
 pub const ENCODE_NEED_SWITCH: &'static str = "ENCODE_NEED_SWITCH";
@@ -235,6 +236,13 @@ impl Encoder {
             })
             .map(|(_, s)| s.prefer)
             .collect();
+        *USABLE_ENCODING.lock().unwrap() = Some(SupportedEncoding {
+            vp8: vp8_useable,
+            av1: av1_useable,
+            h264: h264_useable,
+            h265: h265_useable,
+            ..Default::default()
+        });
         // find the most frequent preference
         let mut counts = Vec::new();
         for pref in &preferences {
@@ -323,6 +331,10 @@ impl Encoder {
         encoding
     }
 
+    pub fn usable_encoding() -> Option<SupportedEncoding> {
+        USABLE_ENCODING.lock().unwrap().clone()
+    }
+
     pub fn set_fallback(config: &EncoderCfg) {
         let format = match config {
             EncoderCfg::VPX(vpx) => match vpx.codec {

libs/scrap/src/common/record.rs

@@ -2,9 +2,7 @@ use crate::CodecFormat;
 #[cfg(feature = "hwcodec")]
 use hbb_common::anyhow::anyhow;
 use hbb_common::{
-    bail, chrono,
-    config::Config,
-    log,
+    bail, chrono, log,
     message_proto::{message, video_frame, EncodedVideoFrame, Message},
     ResultType,
 };

libs/scrap/src/common/vram.rs

@@ -6,7 +6,7 @@ use std::{
 
 use crate::{
     codec::{base_bitrate, enable_vram_option, EncoderApi, EncoderCfg, Quality},
-    AdapterDevice, CodecFormat, CodecName, EncodeInput, EncodeYuvFormat, Pixfmt,
+    AdapterDevice, CodecFormat, EncodeInput, EncodeYuvFormat, Pixfmt,
 };
 use hbb_common::{
     anyhow::{anyhow, bail, Context},
@@ -284,10 +284,6 @@ impl VRamEncoder {
         log::info!("set display#{display} not use vram encode to {not_use}");
         ENOCDE_NOT_USE.lock().unwrap().insert(display, not_use);
     }
-
-    pub fn not_use() -> bool {
-        ENOCDE_NOT_USE.lock().unwrap().iter().any(|v| *v.1)
-    }
 }
 
 pub struct VRamDecoder {