X-Git-Url: https://git.nihav.org/?a=blobdiff_plain;f=src%2Fdemuxers%2Fgdv.rs;h=ed77194f8fe9a483b05d2bc17aff53b8a5b2ce05;hb=06fd8c8865256ab5348996a23afeeb512bc45835;hp=9289cd41fcc8d888f8dbc051be20e41b7836872c;hpb=e189501ed92ffd55123f9fceb7e4c78ddf1be936;p=nihav.git

diff --git a/src/demuxers/gdv.rs b/src/demuxers/gdv.rs
index 9289cd4..ed77194 100644
--- a/src/demuxers/gdv.rs
+++ b/src/demuxers/gdv.rs
@@ -24,6 +24,32 @@ struct GremlinVideoDemuxer<'a> {
     v_id:       Option<usize>,
 }
 
+struct GDVFixedSizes {
+    id:     u16,
+    width:  u16,
+    height: u16,
+}
+const GDV_SIZE_TABLE: &[GDVFixedSizes] = &[
+    GDVFixedSizes { id:  0, width: 320, height: 200 },
+    GDVFixedSizes { id:  1, width: 640, height: 200 },
+    GDVFixedSizes { id:  2, width: 320, height: 167 },
+    GDVFixedSizes { id:  3, width: 320, height: 180 },
+    GDVFixedSizes { id:  4, width: 320, height: 400 },
+    GDVFixedSizes { id:  5, width: 320, height: 170 },
+    GDVFixedSizes { id:  6, width: 160, height:  85 },
+    GDVFixedSizes { id:  7, width: 160, height:  83 },
+    GDVFixedSizes { id:  8, width: 160, height:  90 },
+    GDVFixedSizes { id:  9, width: 280, height: 128 },
+    GDVFixedSizes { id: 10, width: 320, height: 240 },
+    GDVFixedSizes { id: 11, width: 320, height: 201 },
+    GDVFixedSizes { id: 16, width: 640, height: 400 },
+    GDVFixedSizes { id: 17, width: 640, height: 200 },
+    GDVFixedSizes { id: 18, width: 640, height: 180 },
+    GDVFixedSizes { id: 19, width: 640, height: 167 },
+    GDVFixedSizes { id: 20, width: 640, height: 170 },
+    GDVFixedSizes { id: 21, width: 320, height: 240 },
+];
+
 impl<'a> Demux<'a> for GremlinVideoDemuxer<'a> {
     #[allow(unused_variables)]
     fn open(&mut self) -> DemuxerResult<()> {
@@ -38,27 +64,42 @@ impl<'a> Demux<'a> for GremlinVideoDemuxer<'a> {
         let depth = src.read_u16le()?;
         let max_fs = src.read_u16le()?;
         src.read_skip(2)?;
-        let width = src.read_u16le()?;
-        let height = src.read_u16le()?;
+        let mut width = src.read_u16le()?;
+        let mut height = src.read_u16le()?;
+        if (width == 0) && (height == 0) {
+            for el in GDV_SIZE_TABLE {
+                if el.id == id {
+                    width  = el.width;
+                    height = el.height;
+                    break;
+                }
+            }
+            if (width == 0) && (height == 0) { return Err(DemuxerError::InvalidData); }
+        }
         if max_fs > 0 {
+            let mut edata: Vec<u8> = Vec::with_capacity(768);
+            if depth == 1 {
+                edata.resize(768, 0);
+                src.read_buf(edata.as_mut_slice())?;
+            }
             let vhdr = NAVideoInfo::new(width as usize, height as usize, false, PAL8_FORMAT);
             let vci = NACodecTypeInfo::Video(vhdr);
-            let vinfo = NACodecInfo::new("gdv-video", vci, None);
+            let vinfo = NACodecInfo::new("gdv-video", vci, if edata.len() == 0 { None } else { Some(edata) });
             self.v_id = self.dmx.add_stream(NAStream::new(StreamType::Video, 0, vinfo, 1, fps as u32));
         }
         if (aflags & 1) != 0 {
             let channels = if (aflags & 2) != 0 { 2 } else { 1 };
-            let ahdr = NAAudioInfo::new(rate as u32, channels as u8, if (aflags & 4) != 0 { SND_S16_FORMAT } else { SND_U8_FORMAT }, 2);
-            let ainfo = NACodecInfo::new("gdv-audio", NACodecTypeInfo::Audio(ahdr), None);
+            let packed   = if (aflags & 8) != 0 { 1 } else { 0 };
+            let depth    = if (aflags & 4) != 0 { 16 } else { 8 };
+
+            let ahdr = NAAudioInfo::new(rate as u32, channels as u8, if depth == 16 { SND_S16_FORMAT } else { SND_U8_FORMAT }, 2);
+            let ainfo = NACodecInfo::new(if packed != 0 { "gdv-audio" } else { "pcm" },
+                                         NACodecTypeInfo::Audio(ahdr), None);
             self.a_id = self.dmx.add_stream(NAStream::new(StreamType::Audio, 1, ainfo, 1, rate as u32));
 
-            let packed = if (aflags & 8) != 0 { 1 } else { 0 };
-            self.asize = (((rate / fps) * channels * (if (aflags & 4) != 0 { 2 } else { 1 })) >> packed) as usize;
+            self.asize = (((rate / fps) * channels * (depth / 8)) >> packed) as usize;
             self.apacked = (aflags & 8) != 0;
         }
-        if max_fs > 0 && depth == 1 {
-            src.read_skip(768)?;
-        }
         self.frames = frames;
         self.opened = true;
         self.state = GDVState::NewFrame;