From 20766f15236404c4eb336229d4a9d202d107bb99 Mon Sep 17 00:00:00 2001
From: Kostya Shishkov <kostya.shishkov@gmail.com>
Date: Sun, 31 May 2020 18:19:52 +0200
Subject: [PATCH] introduce option handling for encoders

---
 nihav-core/src/codecs/mod.rs       | 3 ++-
 nihav-ms/src/codecs/msadpcm.rs     | 6 ++++++
 nihav-ms/src/codecs/msvideo1enc.rs | 6 ++++++
 3 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/nihav-core/src/codecs/mod.rs b/nihav-core/src/codecs/mod.rs
index 5470325..86441e6 100644
--- a/nihav-core/src/codecs/mod.rs
+++ b/nihav-core/src/codecs/mod.rs
@@ -3,6 +3,7 @@ pub use crate::frame::*;
 use crate::io::byteio::ByteIOError;
 use crate::io::bitreader::BitReaderError;
 use crate::io::codebook::CodebookError;
+pub use crate::options::*;
 
 /// A list specifying general decoding errors.
 #[derive(Debug,Clone,Copy,PartialEq)]
@@ -231,7 +232,7 @@ impl Default for EncodeParameters {
 /// [`negotiate_format`]: ./trait.NAEncoder.html#tymethod.negotiate_format
 /// [`encode`]: ./trait.NAEncoder.html#tymethod.encode
 /// [`get_packet`]: ./trait.NAEncoder.html#tymethod.get_packet
-pub trait NAEncoder {
+pub trait NAEncoder: NAOptionHandler {
     /// Tries to negotiate input format.
     ///
     /// This function takes input encoding parameters and returns adjusted encoding parameters if input ones make sense.
diff --git a/nihav-ms/src/codecs/msadpcm.rs b/nihav-ms/src/codecs/msadpcm.rs
index b41333f..d906e4c 100644
--- a/nihav-ms/src/codecs/msadpcm.rs
+++ b/nihav-ms/src/codecs/msadpcm.rs
@@ -385,6 +385,12 @@ impl NAEncoder for MSADPCMEncoder {
     }
 }
 
+impl NAOptionHandler for MSADPCMEncoder {
+    fn get_supported_options(&self) -> &[NAOptionDefinition] { &[] }
+    fn set_options(&mut self, _options: &[NAOption]) { }
+    fn query_option_value(&self, _name: &str) -> Option<NAValue> { None }
+}
+
 pub fn get_encoder() -> Box<dyn NAEncoder + Send> {
     Box::new(MSADPCMEncoder::new())
 }
diff --git a/nihav-ms/src/codecs/msvideo1enc.rs b/nihav-ms/src/codecs/msvideo1enc.rs
index f9b06cf..6ddae64 100644
--- a/nihav-ms/src/codecs/msvideo1enc.rs
+++ b/nihav-ms/src/codecs/msvideo1enc.rs
@@ -479,6 +479,12 @@ impl NAEncoder for MSVideo1Encoder {
     }
 }
 
+impl NAOptionHandler for MSVideo1Encoder {
+    fn get_supported_options(&self) -> &[NAOptionDefinition] { &[] }
+    fn set_options(&mut self, _options: &[NAOption]) { }
+    fn query_option_value(&self, _name: &str) -> Option<NAValue> { None }
+}
+
 pub fn get_encoder() -> Box<dyn NAEncoder + Send> {
     Box::new(MSVideo1Encoder::new())
 }
-- 
2.30.2