update hwcodec, add windows ffmpeg vram encoding (#7876)

* windows add ffmpeg vram encoding
* windows add missing nvenc and qsv ram encoding, linux add vaapi, current codec table:  https://github.com/21pages/hwcodec?tab=readme-ov-file#codec

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

libs/scrap/examples/benchmark.rs

@@ -248,13 +248,12 @@ mod hw {
     use super::*;
 
     pub fn test(c: &mut Capturer, width: usize, height: usize, quality: Q, yuv_count: usize) {
-        let best = HwRamEncoder::best();
         let mut h264s = Vec::new();
         let mut h265s = Vec::new();
-        if let Some(info) = best.h264 {
+        if let Some(info) = HwRamEncoder::try_get(CodecFormat::H264) {
             test_encoder(width, height, quality, info, c, yuv_count, &mut h264s);
         }
-        if let Some(info) = best.h265 {
+        if let Some(info) = HwRamEncoder::try_get(CodecFormat::H265) {
             test_encoder(width, height, quality, info, c, yuv_count, &mut h265s);
         }
         test_decoder(CodecFormat::H264, &h264s);

libs/scrap/src/common/codec.rs

@@ -208,12 +208,13 @@ impl Encoder {
         let mut h265hw_encoding = None;
         #[cfg(feature = "hwcodec")]
         if enable_hwcodec_option() {
-            let best = HwRamEncoder::best();
             if _all_support_h264_decoding {
-                h264hw_encoding = best.h264.map_or(None, |c| Some(c.name));
+                h264hw_encoding =
+                    HwRamEncoder::try_get(CodecFormat::H264).map_or(None, |c| Some(c.name));
             }
             if _all_support_h265_decoding {
-                h265hw_encoding = best.h265.map_or(None, |c| Some(c.name));
+                h265hw_encoding =
+                    HwRamEncoder::try_get(CodecFormat::H265).map_or(None, |c| Some(c.name));
             }
         }
         let h264_useable =
@@ -317,9 +318,8 @@ impl Encoder {
         };
         #[cfg(feature = "hwcodec")]
         if enable_hwcodec_option() {
-            let best = HwRamEncoder::best();
-            encoding.h264 |= best.h264.is_some();
-            encoding.h265 |= best.h265.is_some();
+            encoding.h264 |= HwRamEncoder::try_get(CodecFormat::H264).is_some();
+            encoding.h265 |= HwRamEncoder::try_get(CodecFormat::H265).is_some();
         }
         #[cfg(feature = "vram")]
         if enable_vram_option() {
@@ -410,9 +410,16 @@ impl Decoder {
         };
         #[cfg(feature = "hwcodec")]
         {
-            let best = HwRamDecoder::best();
-            decoding.ability_h264 |= if best.h264.is_some() { 1 } else { 0 };
-            decoding.ability_h265 |= if best.h265.is_some() { 1 } else { 0 };
+            decoding.ability_h264 |= if HwRamDecoder::try_get(CodecFormat::H264).is_some() {
+                1
+            } else {
+                0
+            };
+            decoding.ability_h265 |= if HwRamDecoder::try_get(CodecFormat::H265).is_some() {
+                1
+            } else {
+                0
+            };
         }
         #[cfg(feature = "vram")]
         if enable_vram_option() && _flutter {

libs/scrap/src/common/hwcodec.rs

@@ -19,7 +19,7 @@ use hwcodec::{
     ffmpeg_ram::{
         decode::{DecodeContext, DecodeFrame, Decoder},
         encode::{EncodeContext, EncodeFrame, Encoder},
-        CodecInfo, CodecInfos,
+        CodecInfo,
         Quality::{self, *},
         RateControl::{self, *},
     },
@@ -188,11 +188,25 @@ impl EncoderApi for HwRamEncoder {
 }
 
 impl HwRamEncoder {
-    pub fn best() -> CodecInfos {
-        get_config().map(|c| c.e).unwrap_or(CodecInfos {
-            h264: None,
-            h265: None,
-        })
+    pub fn try_get(format: CodecFormat) -> Option<CodecInfo> {
+        let mut info = None;
+        if let Ok(hw) = get_config().map(|c| c.e) {
+            let best = CodecInfo::prioritized(hw);
+            match format {
+                CodecFormat::H264 => {
+                    if let Some(v) = best.h264 {
+                        info = Some(v);
+                    }
+                }
+                CodecFormat::H265 => {
+                    if let Some(v) = best.h265 {
+                        info = Some(v);
+                    }
+                }
+                _ => {}
+            }
+        }
+        info
     }
 
     pub fn encode(&mut self, yuv: &[u8]) -> ResultType<Vec<EncodeFrame>> {
@@ -223,15 +237,37 @@ pub struct HwRamDecoder {
 }
 
 impl HwRamDecoder {
-    pub fn best() -> CodecInfos {
-        let mut info = CodecInfo::soft();
+    pub fn try_get(format: CodecFormat) -> Option<CodecInfo> {
+        let mut info = None;
+        let soft = CodecInfo::soft();
+        match format {
+            CodecFormat::H264 => {
+                if let Some(v) = soft.h264 {
+                    info = Some(v);
+                }
+            }
+            CodecFormat::H265 => {
+                if let Some(v) = soft.h265 {
+                    info = Some(v);
+                }
+            }
+            _ => {}
+        }
         if enable_hwcodec_option() {
             if let Ok(hw) = get_config().map(|c| c.d) {
-                if let Some(h264) = hw.h264 {
-                    info.h264 = Some(h264);
-                }
-                if let Some(h265) = hw.h265 {
-                    info.h265 = Some(h265);
+                let best = CodecInfo::prioritized(hw);
+                match format {
+                    CodecFormat::H264 => {
+                        if let Some(v) = best.h264 {
+                            info = Some(v);
+                        }
+                    }
+                    CodecFormat::H265 => {
+                        if let Some(v) = best.h265 {
+                            info = Some(v);
+                        }
+                    }
+                    _ => {}
                 }
             }
         }
@@ -239,24 +275,10 @@ impl HwRamDecoder {
     }
 
     pub fn new(format: CodecFormat) -> ResultType<Self> {
-        log::info!("try create {format:?} ram decoder");
-        let best = HwRamDecoder::best();
-        let info = match format {
-            CodecFormat::H264 => {
-                if let Some(info) = best.h264 {
-                    info
-                } else {
-                    bail!("no h264 decoder, should not be here");
-                }
-            }
-            CodecFormat::H265 => {
-                if let Some(info) = best.h265 {
-                    info
-                } else {
-                    bail!("no h265 decoder, should not be here");
-                }
-            }
-            _ => bail!("unsupported format: {:?}", format),
+        let info = HwRamDecoder::try_get(format);
+        log::info!("try create {info:?} ram decoder");
+        let Some(info) = info else {
+            bail!("unsupported format: {:?}", format);
         };
         let ctx = DecodeContext {
             name: info.name.clone(),
@@ -339,8 +361,8 @@ impl HwRamDecoderImage<'_> {
 
 #[derive(Debug, Eq, PartialEq, Clone, Serialize, Deserialize)]
 struct Available {
-    e: CodecInfos,
-    d: CodecInfos,
+    e: Vec<CodecInfo>,
+    d: Vec<CodecInfo>,
 }
 
 fn get_config() -> ResultType<Available> {
@@ -368,11 +390,9 @@ pub fn check_available_hwcodec() {
     let vram = crate::vram::check_available_vram();
     #[cfg(not(feature = "vram"))]
     let vram = "".to_owned();
-    let encoders = CodecInfo::prioritized(Encoder::available_encoders(ctx, Some(vram.clone())));
-    let decoders = CodecInfo::prioritized(Decoder::available_decoders(Some(vram.clone())));
     let ram = Available {
-        e: encoders,
-        d: decoders,
+        e: Encoder::available_encoders(ctx, Some(vram.clone())),
+        d: Decoder::available_decoders(Some(vram.clone())),
     };
     if let Ok(ram) = serde_json::to_string_pretty(&ram) {
         HwCodecConfig { ram, vram }.store();

libs/scrap/src/common/vram.rs

@@ -179,7 +179,7 @@ impl EncoderApi for VRamEncoder {
     }
 
     fn support_abr(&self) -> bool {
-        self.ctx.f.driver != Driver::VPL
+        self.ctx.f.driver != Driver::MFX
     }
 }
 
@@ -190,6 +190,10 @@ impl VRamEncoder {
             .filter(|e| e.luid == device.luid)
             .collect();
         if v.len() > 0 {
+            // prefer ffmpeg
+            if let Some(ctx) = v.iter().find(|c| c.driver == Driver::FFMPEG) {
+                return Some(ctx.clone());
+            }
             Some(v[0].clone())
         } else {
             None
@@ -250,21 +254,21 @@ impl VRamEncoder {
     pub fn convert_quality(quality: Quality, f: &FeatureContext) -> u32 {
         match quality {
             Quality::Best => {
-                if f.driver == Driver::VPL && f.data_format == DataFormat::H264 {
+                if f.driver == Driver::MFX && f.data_format == DataFormat::H264 {
                     200
                 } else {
                     150
                 }
             }
             Quality::Balanced => {
-                if f.driver == Driver::VPL && f.data_format == DataFormat::H264 {
+                if f.driver == Driver::MFX && f.data_format == DataFormat::H264 {
                     150
                 } else {
                     100
                 }
             }
             Quality::Low => {
-                if f.driver == Driver::VPL && f.data_format == DataFormat::H264 {
+                if f.driver == Driver::MFX && f.data_format == DataFormat::H264 {
                     75
                 } else {
                     50