use NATimePoint for seeking

[nihav.git] / nihav-game / src / demuxers / bmv.rs

diff --git a/nihav-game/src/demuxers/bmv.rs b/nihav-game/src/demuxers/bmv.rs
index ea06d7fe58f12d89ec2629ed0ed30c4836c86617..83f75b122d8552de85a2242615f21b9f372624bd 100644 (file)
--- a/nihav-game/src/demuxers/bmv.rs
+++ b/nihav-game/src/demuxers/bmv.rs
@@ -12,7 +12,7 @@ struct BMVDemuxer<'a> {
 
 impl<'a> DemuxCore<'a> for BMVDemuxer<'a> {
     #[allow(unused_variables)]
-    fn open(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<()> {
+    fn open(&mut self, strmgr: &mut StreamManager, _seek_index: &mut SeekIndex) -> DemuxerResult<()> {
         let src = &mut self.src;
 
         let vhdr = NAVideoInfo::new(640, 429, false, PAL8_FORMAT);
@@ -30,7 +30,7 @@ impl<'a> DemuxCore<'a> for BMVDemuxer<'a> {
     }
 
     fn get_frame(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<NAPacket> {
-        if self.pkt_buf.len() > 0 {
+        if !self.pkt_buf.is_empty() {
             return Ok(self.pkt_buf.pop().unwrap());
         }
 
@@ -51,13 +51,12 @@ impl<'a> DemuxCore<'a> for BMVDemuxer<'a> {
                 let (tb_num, tb_den) = str.get_timebase();
                 let ts = NATimeInfo::new(Some(self.apos), None, None, tb_num, tb_den);
                 let apkt = self.src.read_packet(str, ts, false, asize)?;
-                self.apos += (nblocks as u64) * 32;
+                self.apos += u64::from(nblocks) * 32;
                 self.pkt_buf.push(apkt);
             } else {
                 asize = 0;
             }
-            let mut buf: Vec<u8> = Vec::with_capacity(size - asize + 1);
-            buf.resize(size - asize + 1, 0);
+            let mut buf: Vec<u8> = vec![0; size - asize + 1];
             buf[0] = ctype;
             self.src.read_buf(&mut buf[1..])?;
 
@@ -71,12 +70,17 @@ impl<'a> DemuxCore<'a> for BMVDemuxer<'a> {
         }
     }
 
-    #[allow(unused_variables)]
-    fn seek(&mut self, time: u64) -> DemuxerResult<()> {
-        Err(DemuxerError::NotImplemented)
+    fn seek(&mut self, _time: NATimePoint, _seek_index: &SeekIndex) -> DemuxerResult<()> {
+        Err(DemuxerError::NotPossible)
     }
 }
 
+impl<'a> NAOptionHandler for BMVDemuxer<'a> {
+    fn get_supported_options(&self) -> &[NAOptionDefinition] { &[] }
+    fn set_options(&mut self, _options: &[NAOption]) { }
+    fn query_option_value(&self, _name: &str) -> Option<NAValue> { None }
+}
+
 impl<'a> BMVDemuxer<'a> {
     fn new(io: &'a mut ByteReader<'a>) -> Self {
         Self {
@@ -93,7 +97,7 @@ impl<'a> BMVDemuxer<'a> {
 pub struct BMVDemuxerCreator { }
 
 impl DemuxerCreator for BMVDemuxerCreator {
-    fn new_demuxer<'a>(&self, br: &'a mut ByteReader<'a>) -> Box<DemuxCore<'a> + 'a> {
+    fn new_demuxer<'a>(&self, br: &'a mut ByteReader<'a>) -> Box<dyn DemuxCore<'a> + 'a> {
         Box::new(BMVDemuxer::new(br))
     }
     fn get_name(&self) -> &'static str { "bmv" }
@@ -112,7 +116,8 @@ struct BMV3Demuxer<'a> {
 
 impl<'a> DemuxCore<'a> for BMV3Demuxer<'a> {
     #[allow(unused_variables)]
-    fn open(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<()> {
+    #[allow(clippy::cast_lossless)]
+    fn open(&mut self, strmgr: &mut StreamManager, _seek_index: &mut SeekIndex) -> DemuxerResult<()> {
         let src = &mut self.src;
 
         let mut magic = [0u8; 4];
@@ -158,7 +163,7 @@ impl<'a> DemuxCore<'a> for BMV3Demuxer<'a> {
     }
 
     fn get_frame(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<NAPacket> {
-        if self.pkt_buf.len() > 0 {
+        if !self.pkt_buf.is_empty() {
             return Ok(self.pkt_buf.pop().unwrap());
         }
 
@@ -178,8 +183,7 @@ impl<'a> DemuxCore<'a> for BMV3Demuxer<'a> {
                     asize = self.asize;
                 }
                 validate!(asize <= size);
-                let mut buf: Vec<u8> = Vec::with_capacity(asize + 1);
-                buf.resize(asize + 1, 0);
+                let mut buf: Vec<u8> = vec![0; asize + 1];
                 buf[0] = (self.src.tell() & 1) as u8;
                 self.src.read_buf(&mut buf[1..])?;
 
@@ -194,14 +198,13 @@ impl<'a> DemuxCore<'a> for BMV3Demuxer<'a> {
                 asize = 0;
             }
             if size == asize {
-                if self.pkt_buf.len() > 0 {
+                if !self.pkt_buf.is_empty() {
                     return Ok(self.pkt_buf.pop().unwrap());
                 } else {
                     continue;
                 }
             }
-            let mut buf: Vec<u8> = Vec::with_capacity(size - asize + 1);
-            buf.resize(size - asize + 1, 0);
+            let mut buf: Vec<u8> = vec![0; size - asize + 1];
             buf[0] = ctype;
             self.src.read_buf(&mut buf[1..])?;
 
@@ -215,12 +218,17 @@ impl<'a> DemuxCore<'a> for BMV3Demuxer<'a> {
         }
     }
 
-    #[allow(unused_variables)]
-    fn seek(&mut self, time: u64) -> DemuxerResult<()> {
-        Err(DemuxerError::NotImplemented)
+    fn seek(&mut self, _time: NATimePoint, _seek_index: &SeekIndex) -> DemuxerResult<()> {
+        Err(DemuxerError::NotPossible)
     }
 }
 
+impl<'a> NAOptionHandler for BMV3Demuxer<'a> {
+    fn get_supported_options(&self) -> &[NAOptionDefinition] { &[] }
+    fn set_options(&mut self, _options: &[NAOption]) { }
+    fn query_option_value(&self, _name: &str) -> Option<NAValue> { None }
+}
+
 impl<'a> BMV3Demuxer<'a> {
     fn new(io: &'a mut ByteReader<'a>) -> Self {
         Self {
@@ -239,7 +247,7 @@ impl<'a> BMV3Demuxer<'a> {
 pub struct BMV3DemuxerCreator { }
 
 impl DemuxerCreator for BMV3DemuxerCreator {
-    fn new_demuxer<'a>(&self, br: &'a mut ByteReader<'a>) -> Box<DemuxCore<'a> + 'a> {
+    fn new_demuxer<'a>(&self, br: &'a mut ByteReader<'a>) -> Box<dyn DemuxCore<'a> + 'a> {
         Box::new(BMV3Demuxer::new(br))
     }
     fn get_name(&self) -> &'static str { "bmv3" }
@@ -257,7 +265,8 @@ mod test {
         let mut br = ByteReader::new(&mut fr);
         let mut dmx = BMVDemuxer::new(&mut br);
         let mut sm = StreamManager::new();
-        dmx.open(&mut sm).unwrap();
+        let mut si = SeekIndex::new();
+        dmx.open(&mut sm, &mut si).unwrap();
         loop {
             let pktres = dmx.get_frame(&mut sm);
             if let Err(e) = pktres {
@@ -275,7 +284,8 @@ mod test {
         let mut br = ByteReader::new(&mut fr);
         let mut dmx = BMV3Demuxer::new(&mut br);
         let mut sm = StreamManager::new();
-        dmx.open(&mut sm).unwrap();
+        let mut si = SeekIndex::new();
+        dmx.open(&mut sm, &mut si).unwrap();
         loop {
             let pktres = dmx.get_frame(&mut sm);
             if let Err(e) = pktres {