From 2757a0289c980aeba002609c777815b51ace8e56 Mon Sep 17 00:00:00 2001 From: Kostya Shishkov Date: Tue, 14 Mar 2023 11:11:31 +0100 Subject: [PATCH] introduce a way for encoder to manifest its capabilities --- nihav-commonfmt/src/codecs/cinepakenc.rs | 1 + nihav-commonfmt/src/codecs/pcm.rs | 1 + nihav-commonfmt/src/codecs/zmbvenc.rs | 1 + nihav-core/src/codecs/mod.rs | 11 +++++++++++ nihav-duck/src/codecs/truemotionrtenc.rs | 1 + nihav-duck/src/codecs/vp6enc/mod.rs | 1 + nihav-duck/src/codecs/vp7enc/mod.rs | 1 + nihav-flash/src/codecs/adpcmenc.rs | 1 + nihav-indeo/src/codecs/indeo3enc/mod.rs | 1 + nihav-llaudio/src/codecs/flacenc.rs | 1 + nihav-ms/src/codecs/imaadpcmenc.rs | 1 + nihav-ms/src/codecs/msadpcm.rs | 1 + nihav-ms/src/codecs/msvideo1enc.rs | 1 + nihav-realmedia/src/codecs/cookenc.rs | 1 + 14 files changed, 24 insertions(+) diff --git a/nihav-commonfmt/src/codecs/cinepakenc.rs b/nihav-commonfmt/src/codecs/cinepakenc.rs index ff86a52..f4ac9b2 100644 --- a/nihav-commonfmt/src/codecs/cinepakenc.rs +++ b/nihav-commonfmt/src/codecs/cinepakenc.rs @@ -958,6 +958,7 @@ impl NAEncoder for CinepakEncoder { } } } + fn get_capabilities(&self) -> u64 { 0 } fn init(&mut self, stream_id: u32, encinfo: EncodeParameters) -> EncoderResult { match encinfo.format { NACodecTypeInfo::None => Err(EncoderError::FormatError), diff --git a/nihav-commonfmt/src/codecs/pcm.rs b/nihav-commonfmt/src/codecs/pcm.rs index 3bc67c0..b2dd817 100644 --- a/nihav-commonfmt/src/codecs/pcm.rs +++ b/nihav-commonfmt/src/codecs/pcm.rs @@ -200,6 +200,7 @@ impl NAEncoder for PCMEncoder { } } } + fn get_capabilities(&self) -> u64 { ENC_CAPS_CBR } fn init(&mut self, stream_id: u32, encinfo: EncodeParameters) -> EncoderResult { match encinfo.format { NACodecTypeInfo::None => Err(EncoderError::FormatError), diff --git a/nihav-commonfmt/src/codecs/zmbvenc.rs b/nihav-commonfmt/src/codecs/zmbvenc.rs index 0c8b945..332cc0e 100644 --- a/nihav-commonfmt/src/codecs/zmbvenc.rs +++ b/nihav-commonfmt/src/codecs/zmbvenc.rs @@ -398,6 +398,7 @@ impl NAEncoder for ZMBVEncoder { } } } + fn get_capabilities(&self) -> u64 { ENC_CAPS_SKIPFRAME } fn init(&mut self, stream_id: u32, encinfo: EncodeParameters) -> EncoderResult { match encinfo.format { NACodecTypeInfo::None => Err(EncoderError::FormatError), diff --git a/nihav-core/src/codecs/mod.rs b/nihav-core/src/codecs/mod.rs index b6a1820..5cf7d07 100644 --- a/nihav-core/src/codecs/mod.rs +++ b/nihav-core/src/codecs/mod.rs @@ -210,6 +210,13 @@ pub const ENC_MODE_CBR: u64 = 1 << 0; /// Encoding parameter flag to force constant framerate mode. pub const ENC_MODE_CFR: u64 = 1 << 1; +/// Encoder supports constant bitrate mode. +pub const ENC_CAPS_CBR: u64 = 1 << 0; +/// Encoder supports skip frames. +pub const ENC_CAPS_SKIPFRAME: u64 = 1 << 1; +/// Encoder supports mid-stream parameters change. +pub const ENC_CAPS_PARAMCHANGE: u64 = 1 << 2; + /// Encoding parameters. #[derive(Clone,Copy,PartialEq)] pub struct EncodeParameters { @@ -300,6 +307,10 @@ pub trait NAEncoder: NAOptionHandler { /// // convert input into format defined in target_params, feed to the encoder, ... /// ``` fn negotiate_format(&self, encinfo: &EncodeParameters) -> EncoderResult; + /// Queries encoder capabilities. + /// + /// See `ENC_CAPS_*` for examples. + fn get_capabilities(&self) -> u64; /// Initialises the encoder. fn init(&mut self, stream_id: u32, encinfo: EncodeParameters) -> EncoderResult; /// Takes a single frame for encoding. diff --git a/nihav-duck/src/codecs/truemotionrtenc.rs b/nihav-duck/src/codecs/truemotionrtenc.rs index c80a4b8..47236dd 100644 --- a/nihav-duck/src/codecs/truemotionrtenc.rs +++ b/nihav-duck/src/codecs/truemotionrtenc.rs @@ -181,6 +181,7 @@ impl NAEncoder for TMRTEncoder { } } } + fn get_capabilities(&self) -> u64 { ENC_CAPS_PARAMCHANGE } fn init(&mut self, stream_id: u32, encinfo: EncodeParameters) -> EncoderResult { match encinfo.format { NACodecTypeInfo::None => Err(EncoderError::FormatError), diff --git a/nihav-duck/src/codecs/vp6enc/mod.rs b/nihav-duck/src/codecs/vp6enc/mod.rs index d706fe7..9eea91d 100644 --- a/nihav-duck/src/codecs/vp6enc/mod.rs +++ b/nihav-duck/src/codecs/vp6enc/mod.rs @@ -680,6 +680,7 @@ impl NAEncoder for VP6Encoder { } } } + fn get_capabilities(&self) -> u64 { 0 } fn init(&mut self, stream_id: u32, encinfo: EncodeParameters) -> EncoderResult { match encinfo.format { NACodecTypeInfo::None => Err(EncoderError::FormatError), diff --git a/nihav-duck/src/codecs/vp7enc/mod.rs b/nihav-duck/src/codecs/vp7enc/mod.rs index 8a31f10..a73a571 100644 --- a/nihav-duck/src/codecs/vp7enc/mod.rs +++ b/nihav-duck/src/codecs/vp7enc/mod.rs @@ -280,6 +280,7 @@ impl NAEncoder for VP7Encoder { } } } + fn get_capabilities(&self) -> u64 { 0 } fn init(&mut self, stream_id: u32, encinfo: EncodeParameters) -> EncoderResult { match encinfo.format { NACodecTypeInfo::None => Err(EncoderError::FormatError), diff --git a/nihav-flash/src/codecs/adpcmenc.rs b/nihav-flash/src/codecs/adpcmenc.rs index 9cd04f7..c7bf3aa 100644 --- a/nihav-flash/src/codecs/adpcmenc.rs +++ b/nihav-flash/src/codecs/adpcmenc.rs @@ -81,6 +81,7 @@ impl NAEncoder for ADPCMEncoder { } } } + fn get_capabilities(&self) -> u64 { ENC_CAPS_CBR } fn init(&mut self, stream_id: u32, encinfo: EncodeParameters) -> EncoderResult { match encinfo.format { NACodecTypeInfo::None => Err(EncoderError::FormatError), diff --git a/nihav-indeo/src/codecs/indeo3enc/mod.rs b/nihav-indeo/src/codecs/indeo3enc/mod.rs index dc638bc..eefa3d7 100644 --- a/nihav-indeo/src/codecs/indeo3enc/mod.rs +++ b/nihav-indeo/src/codecs/indeo3enc/mod.rs @@ -199,6 +199,7 @@ impl NAEncoder for Indeo3Encoder { } } } + fn get_capabilities(&self) -> u64 { ENC_CAPS_SKIPFRAME } fn init(&mut self, stream_id: u32, encinfo: EncodeParameters) -> EncoderResult { match encinfo.format { NACodecTypeInfo::None => Err(EncoderError::FormatError), diff --git a/nihav-llaudio/src/codecs/flacenc.rs b/nihav-llaudio/src/codecs/flacenc.rs index 8b5b44d..3b99294 100644 --- a/nihav-llaudio/src/codecs/flacenc.rs +++ b/nihav-llaudio/src/codecs/flacenc.rs @@ -417,6 +417,7 @@ impl NAEncoder for FLACEncoder { } } } + fn get_capabilities(&self) -> u64 { 0 } fn init(&mut self, stream_id: u32, encinfo: EncodeParameters) -> EncoderResult { match encinfo.format { NACodecTypeInfo::None => Err(EncoderError::FormatError), diff --git a/nihav-ms/src/codecs/imaadpcmenc.rs b/nihav-ms/src/codecs/imaadpcmenc.rs index 15e76fb..a113d5d 100644 --- a/nihav-ms/src/codecs/imaadpcmenc.rs +++ b/nihav-ms/src/codecs/imaadpcmenc.rs @@ -215,6 +215,7 @@ impl NAEncoder for IMAADPCMEncoder { } } } + fn get_capabilities(&self) -> u64 { ENC_CAPS_CBR } fn init(&mut self, stream_id: u32, encinfo: EncodeParameters) -> EncoderResult { match encinfo.format { NACodecTypeInfo::None => Err(EncoderError::FormatError), diff --git a/nihav-ms/src/codecs/msadpcm.rs b/nihav-ms/src/codecs/msadpcm.rs index 768eb74..179b097 100644 --- a/nihav-ms/src/codecs/msadpcm.rs +++ b/nihav-ms/src/codecs/msadpcm.rs @@ -336,6 +336,7 @@ impl NAEncoder for MSADPCMEncoder { } } } + fn get_capabilities(&self) -> u64 { ENC_CAPS_CBR } fn init(&mut self, stream_id: u32, encinfo: EncodeParameters) -> EncoderResult { match encinfo.format { NACodecTypeInfo::None => Err(EncoderError::FormatError), diff --git a/nihav-ms/src/codecs/msvideo1enc.rs b/nihav-ms/src/codecs/msvideo1enc.rs index 5d50b9a..4507e08 100644 --- a/nihav-ms/src/codecs/msvideo1enc.rs +++ b/nihav-ms/src/codecs/msvideo1enc.rs @@ -835,6 +835,7 @@ impl NAEncoder for MSVideo1Encoder { } } } + fn get_capabilities(&self) -> u64 { ENC_CAPS_SKIPFRAME } fn init(&mut self, stream_id: u32, encinfo: EncodeParameters) -> EncoderResult { match encinfo.format { NACodecTypeInfo::None => Err(EncoderError::FormatError), diff --git a/nihav-realmedia/src/codecs/cookenc.rs b/nihav-realmedia/src/codecs/cookenc.rs index 70f471b..3b9e3c4 100644 --- a/nihav-realmedia/src/codecs/cookenc.rs +++ b/nihav-realmedia/src/codecs/cookenc.rs @@ -768,6 +768,7 @@ impl NAEncoder for CookEncoder { } } } + fn get_capabilities(&self) -> u64 { ENC_CAPS_CBR } fn init(&mut self, stream_id: u32, encinfo: EncodeParameters) -> EncoderResult { match encinfo.format { NACodecTypeInfo::None => Err(EncoderError::FormatError), -- 2.39.5