| 1 | use nihav_core::codecs::*; |
| 2 | |
| 3 | struct RawDecoder { |
| 4 | info: NACodecInfoRef, |
| 5 | pal: [u8; 768], |
| 6 | } |
| 7 | |
| 8 | impl RawDecoder { |
| 9 | fn new() -> Self { |
| 10 | Self { |
| 11 | info: NACodecInfo::new_dummy(), |
| 12 | pal: [0; 768], |
| 13 | } |
| 14 | } |
| 15 | } |
| 16 | |
| 17 | impl NADecoder for RawDecoder { |
| 18 | fn init(&mut self, _supp: &mut NADecoderSupport, info: NACodecInfoRef) -> DecoderResult<()> { |
| 19 | if let NACodecTypeInfo::Video(_vinfo) = info.get_properties() { |
| 20 | self.info = info.clone(); |
| 21 | Ok(()) |
| 22 | } else { |
| 23 | Err(DecoderError::InvalidData) |
| 24 | } |
| 25 | } |
| 26 | fn decode(&mut self, _supp: &mut NADecoderSupport, pkt: &NAPacket) -> DecoderResult<NAFrameRef> { |
| 27 | if let NACodecTypeInfo::Video(ref vinfo) = self.info.get_properties() { |
| 28 | let src = pkt.get_buffer(); |
| 29 | let width = vinfo.width; |
| 30 | let height = vinfo.height; |
| 31 | if !vinfo.format.model.is_rgb() { |
| 32 | return Err(DecoderError::InvalidData); |
| 33 | } |
| 34 | let depth = if vinfo.format.is_paletted() { 8 } else { vinfo.format.get_total_depth() } as usize; |
| 35 | let buf = match depth { |
| 36 | 8 => { |
| 37 | for sd in pkt.side_data.iter() { |
| 38 | match *sd { |
| 39 | NASideData::Palette(_, ref pal) => { |
| 40 | for (dst, src) in self.pal.chunks_mut(3).zip(pal.chunks(4)) { |
| 41 | dst[0] = src[0]; |
| 42 | dst[1] = src[1]; |
| 43 | dst[2] = src[2]; |
| 44 | } |
| 45 | break; |
| 46 | }, |
| 47 | _ => {}, |
| 48 | }; |
| 49 | } |
| 50 | |
| 51 | let sstride = (vinfo.width + 3) & !3; |
| 52 | |
| 53 | let buf = alloc_video_buffer(*vinfo, 0)?; |
| 54 | |
| 55 | let mut frm = buf.get_vbuf().unwrap(); |
| 56 | let dstride = frm.get_stride(0); |
| 57 | let paloff = frm.get_offset(1); |
| 58 | let dst = frm.get_data_mut().unwrap(); |
| 59 | for (drow, srow) in dst.chunks_mut(dstride).zip(src.chunks(sstride)).take(height) { |
| 60 | drow[..width].copy_from_slice(&srow[..width]); |
| 61 | } |
| 62 | dst[paloff..][..768].copy_from_slice(&self.pal); |
| 63 | |
| 64 | buf |
| 65 | }, |
| 66 | 15 | 16 => { |
| 67 | let sstride = (vinfo.width * 2 + 3) & !3; |
| 68 | |
| 69 | let buf = alloc_video_buffer(*vinfo, 0)?; |
| 70 | |
| 71 | let mut frm = buf.get_vbuf16().unwrap(); |
| 72 | let dstride = frm.get_stride(0); |
| 73 | let dst = frm.get_data_mut().unwrap(); |
| 74 | |
| 75 | for (drow, srow) in dst.chunks_mut(dstride).zip(src.chunks(sstride)).take(height) { |
| 76 | for (dp, sp) in drow.iter_mut().zip(srow.chunks_exact(2)).take(width) { |
| 77 | *dp = u16::from(sp[0]) | (u16::from(sp[1]) << 8); |
| 78 | } |
| 79 | } |
| 80 | |
| 81 | buf |
| 82 | }, |
| 83 | 24 | 32 => { |
| 84 | let ncomp = vinfo.format.components as usize; |
| 85 | let sstride = (width * (depth / 8) + 3) & !3; |
| 86 | let offs = vec![0; ncomp]; |
| 87 | let mut strides = vec![0; ncomp]; |
| 88 | strides[0] = sstride; |
| 89 | NABufferType::VideoPacked(NAVideoBuffer::from_raw_parts(*vinfo, src, offs, strides).into_ref()) |
| 90 | }, |
| 91 | _ => return Err(DecoderError::NotImplemented), |
| 92 | }; |
| 93 | |
| 94 | let mut frm = NAFrame::new_from_pkt(pkt, self.info.clone(), buf); |
| 95 | frm.set_keyframe(true); |
| 96 | frm.set_frame_type(FrameType::I); |
| 97 | Ok(frm.into_ref()) |
| 98 | } else { |
| 99 | Err(DecoderError::Bug) |
| 100 | } |
| 101 | } |
| 102 | fn flush(&mut self) {} |
| 103 | } |
| 104 | |
| 105 | |
| 106 | impl NAOptionHandler for RawDecoder { |
| 107 | fn get_supported_options(&self) -> &[NAOptionDefinition] { &[] } |
| 108 | fn set_options(&mut self, _options: &[NAOption]) { } |
| 109 | fn query_option_value(&self, _name: &str) -> Option<NAValue> { None } |
| 110 | } |
| 111 | |
| 112 | pub fn get_decoder() -> Box<dyn NADecoder + Send> { |
| 113 | Box::new(RawDecoder::new()) |
| 114 | } |
| 115 | |
| 116 | #[cfg(test)] |
| 117 | mod test { |
| 118 | use nihav_core::codecs::RegisteredDecoders; |
| 119 | use nihav_core::demuxers::RegisteredDemuxers; |
| 120 | use nihav_codec_support::test::dec_video::*; |
| 121 | use crate::generic_register_all_decoders; |
| 122 | use crate::generic_register_all_demuxers; |
| 123 | #[test] |
| 124 | fn test_rawvideo_ms_8() { |
| 125 | let mut dmx_reg = RegisteredDemuxers::new(); |
| 126 | generic_register_all_demuxers(&mut dmx_reg); |
| 127 | let mut dec_reg = RegisteredDecoders::new(); |
| 128 | generic_register_all_decoders(&mut dec_reg); |
| 129 | test_decoding("avi", "rawvideo-ms", "assets/Misc/8bpp.avi", Some(0), &dmx_reg, |
| 130 | &dec_reg, ExpectedTestResult::MD5([0xb6629439, 0x6ea482e9, 0x42c84d7c, 0x46c94431])); |
| 131 | } |
| 132 | #[test] |
| 133 | fn test_rawvideo_ms_16() { |
| 134 | let mut dmx_reg = RegisteredDemuxers::new(); |
| 135 | generic_register_all_demuxers(&mut dmx_reg); |
| 136 | let mut dec_reg = RegisteredDecoders::new(); |
| 137 | generic_register_all_decoders(&mut dec_reg); |
| 138 | test_decoding("avi", "rawvideo-ms", "assets/Misc/16bpp.avi", Some(0), &dmx_reg, |
| 139 | &dec_reg, ExpectedTestResult::MD5([0xe80e16a1, 0x2d50659e, 0x413d24af, 0xea3bee05])); |
| 140 | } |
| 141 | #[test] |
| 142 | fn test_rawvideo_ms_24() { |
| 143 | let mut dmx_reg = RegisteredDemuxers::new(); |
| 144 | generic_register_all_demuxers(&mut dmx_reg); |
| 145 | let mut dec_reg = RegisteredDecoders::new(); |
| 146 | generic_register_all_decoders(&mut dec_reg); |
| 147 | test_decoding("avi", "rawvideo-ms", "assets/Misc/keve.avi", Some(0), &dmx_reg, |
| 148 | &dec_reg, ExpectedTestResult::MD5([0x9514ac1f, 0x4512cc62, 0x069485ba, 0x084a1e63])); |
| 149 | } |
| 150 | #[test] |
| 151 | fn test_rawvideo_ms_32() { |
| 152 | let mut dmx_reg = RegisteredDemuxers::new(); |
| 153 | generic_register_all_demuxers(&mut dmx_reg); |
| 154 | let mut dec_reg = RegisteredDecoders::new(); |
| 155 | generic_register_all_decoders(&mut dec_reg); |
| 156 | test_decoding("avi", "rawvideo-ms", "assets/Misc/VRMLuncompressed.avi", Some(0), &dmx_reg, |
| 157 | &dec_reg, ExpectedTestResult::MD5([0xf4c9d468, 0x8f42c576, 0xc8eb522a, 0x75f654b1])); |
| 158 | } |
| 159 | } |