X-Git-Url: https://git.nihav.org/?p=nihav.git;a=blobdiff_plain;f=nihav-commonfmt%2Fsrc%2Fcodecs%2Frawvideo_ms.rs;fp=nihav-commonfmt%2Fsrc%2Fcodecs%2Frawvideo_ms.rs;h=0b35881c1204a645a7576389ee5dea89b97a61cb;hp=0000000000000000000000000000000000000000;hb=9a59c451c92ca4283fb6f2274e399393d9a5f972;hpb=507ba11944fdcf10e0fad2c4cfad813cb5f39b37

diff --git a/nihav-commonfmt/src/codecs/rawvideo_ms.rs b/nihav-commonfmt/src/codecs/rawvideo_ms.rs
new file mode 100644
index 0000000..0b35881
--- /dev/null
+++ b/nihav-commonfmt/src/codecs/rawvideo_ms.rs
@@ -0,0 +1,159 @@
+use nihav_core::codecs::*;
+
+struct RawDecoder {
+    info:   NACodecInfoRef,
+    pal:    [u8; 768],
+}
+
+impl RawDecoder {
+    fn new() -> Self {
+        Self {
+            info:   NACodecInfo::new_dummy(),
+            pal:    [0; 768],
+        }
+    }
+}
+
+impl NADecoder for RawDecoder {
+    fn init(&mut self, _supp: &mut NADecoderSupport, info: NACodecInfoRef) -> DecoderResult<()> {
+        if let NACodecTypeInfo::Video(_vinfo) = info.get_properties() {
+            self.info = info.clone();
+            Ok(())
+        } else {
+            Err(DecoderError::InvalidData)
+        }
+    }
+    fn decode(&mut self, _supp: &mut NADecoderSupport, pkt: &NAPacket) -> DecoderResult<NAFrameRef> {
+        if let NACodecTypeInfo::Video(ref vinfo) = self.info.get_properties() {
+            let src = pkt.get_buffer();
+            let width  = vinfo.width;
+            let height = vinfo.height;
+            if !vinfo.format.model.is_rgb() {
+                return Err(DecoderError::InvalidData);
+            }
+            let depth = if vinfo.format.is_paletted() { 8 } else { vinfo.format.get_total_depth() } as usize;
+            let buf = match depth {
+                    8 => {
+                        for sd in pkt.side_data.iter() {
+                            match *sd {
+                                NASideData::Palette(_, ref pal) => {
+                                    for (dst, src) in self.pal.chunks_mut(3).zip(pal.chunks(4)) {
+                                        dst[0] = src[0];
+                                        dst[1] = src[1];
+                                        dst[2] = src[2];
+                                    }
+                                    break;
+                                },
+                                _ => {},
+                            };
+                        }
+
+                        let sstride = (vinfo.width + 3) & !3;
+
+                        let buf = alloc_video_buffer(vinfo.clone(), 0)?;
+
+                        let mut frm = buf.get_vbuf().unwrap();
+                        let dstride = frm.get_stride(0);
+                        let paloff  = frm.get_offset(1);
+                        let dst     = frm.get_data_mut().unwrap();
+                        for (drow, srow) in dst.chunks_mut(dstride).zip(src.chunks(sstride)).take(height) {
+                            drow[..width].copy_from_slice(&srow[..width]);
+                        }
+                        dst[paloff..][..768].copy_from_slice(&self.pal);
+
+                        buf
+                    },
+                    15 | 16 => {
+                        let sstride = (vinfo.width * 2 + 3) & !3;
+
+                        let buf = alloc_video_buffer(vinfo.clone(), 0)?;
+
+                        let mut frm = buf.get_vbuf16().unwrap();
+                        let dstride = frm.get_stride(0);
+                        let dst     = frm.get_data_mut().unwrap();
+
+                        for (drow, srow) in dst.chunks_mut(dstride).zip(src.chunks(sstride)).take(height) {
+                            for (dp, sp) in drow.iter_mut().zip(srow.chunks_exact(2)).take(width) {
+                                *dp = u16::from(sp[0]) | (u16::from(sp[1]) << 8);
+                            }
+                        }
+
+                        buf
+                    },
+                    24 | 32 => {
+                        let ncomp = vinfo.format.components as usize;
+                        let sstride = (width * (depth / 8) + 3) & !3;
+                        let offs    = vec![0; ncomp];
+                        let mut strides = vec![0; ncomp];
+                        strides[0] = sstride;
+                         NABufferType::VideoPacked(NAVideoBuffer::from_raw_parts(vinfo.clone(), src.clone(), offs, strides).into_ref())
+                    },
+                    _ => return Err(DecoderError::NotImplemented),
+                };
+
+            let mut frm = NAFrame::new_from_pkt(pkt, self.info.clone(), buf);
+            frm.set_keyframe(true);
+            frm.set_frame_type(FrameType::I);
+            Ok(frm.into_ref())
+        } else {
+            Err(DecoderError::Bug)
+        }
+    }
+    fn flush(&mut self) {}
+}
+
+
+impl NAOptionHandler for RawDecoder {
+    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_decoder() -> Box<dyn NADecoder + Send> {
+    Box::new(RawDecoder::new())
+}
+
+#[cfg(test)]
+mod test {
+    use nihav_core::codecs::RegisteredDecoders;
+    use nihav_core::demuxers::RegisteredDemuxers;
+    use nihav_codec_support::test::dec_video::*;
+    use crate::generic_register_all_decoders;
+    use crate::generic_register_all_demuxers;
+    #[test]
+    fn test_rawvideo_ms_8() {
+        let mut dmx_reg = RegisteredDemuxers::new();
+        generic_register_all_demuxers(&mut dmx_reg);
+        let mut dec_reg = RegisteredDecoders::new();
+        generic_register_all_decoders(&mut dec_reg);
+        test_decoding("avi", "rawvideo-ms", "assets/Misc/8bpp.avi", Some(0), &dmx_reg,
+                     &dec_reg, ExpectedTestResult::MD5([0xb6629439, 0x6ea482e9, 0x42c84d7c, 0x46c94431]));
+    }
+    #[test]
+    fn test_rawvideo_ms_16() {
+        let mut dmx_reg = RegisteredDemuxers::new();
+        generic_register_all_demuxers(&mut dmx_reg);
+        let mut dec_reg = RegisteredDecoders::new();
+        generic_register_all_decoders(&mut dec_reg);
+        test_decoding("avi", "rawvideo-ms", "assets/Misc/16bpp.avi", Some(0), &dmx_reg,
+                     &dec_reg, ExpectedTestResult::MD5([0xe80e16a1, 0x2d50659e, 0x413d24af, 0xea3bee05]));
+    }
+    #[test]
+    fn test_rawvideo_ms_24() {
+        let mut dmx_reg = RegisteredDemuxers::new();
+        generic_register_all_demuxers(&mut dmx_reg);
+        let mut dec_reg = RegisteredDecoders::new();
+        generic_register_all_decoders(&mut dec_reg);
+        test_decoding("avi", "rawvideo-ms", "assets/Misc/keve.avi", Some(0), &dmx_reg,
+                     &dec_reg, ExpectedTestResult::MD5([0x9514ac1f, 0x4512cc62, 0x069485ba, 0x084a1e63]));
+    }
+    #[test]
+    fn test_rawvideo_ms_32() {
+        let mut dmx_reg = RegisteredDemuxers::new();
+        generic_register_all_demuxers(&mut dmx_reg);
+        let mut dec_reg = RegisteredDecoders::new();
+        generic_register_all_decoders(&mut dec_reg);
+        test_decoding("avi", "rawvideo-ms", "assets/Misc/VRMLuncompressed.avi", Some(0), &dmx_reg,
+                     &dec_reg, ExpectedTestResult::MD5([0xf4c9d468, 0x8f42c576, 0xc8eb522a, 0x75f654b1]));
+    }
+}