X-Git-Url: https://git.nihav.org/?p=nihav-tool.git;a=blobdiff_plain;f=src%2Fdemux.rs;h=07862753433ae696796240477228aaa512febd8b;hp=bf8a07215b5a0e24b3d3f16d21f1c8af8ecfb1b8;hb=HEAD;hpb=dd612d5590928bcebeba04fb46b26e893e28f24b

diff --git a/src/demux.rs b/src/demux.rs
index bf8a072..1dc78c5 100644
--- a/src/demux.rs
+++ b/src/demux.rs
@@ -98,27 +98,38 @@ pub enum DemuxerObject<'a> {
 }
 
 impl<'a> DemuxerObject<'a> {
-    pub fn create(br: &'a mut ByteReader<'a>, reg: &FullRegister, name: &str, is_raw: bool) -> DemuxerObject<'a> {
+    pub fn create(br: &'a mut ByteReader<'a>, reg: &FullRegister, name: &str, force_dmx: Option<&str>, is_raw: bool, opts: &[NAOption]) -> DemuxerObject<'a> {
         if !is_raw {
             let res = detect::detect_format(name, br);
+            if let Some(dmx_name) = force_dmx {
+                println!("forcing demuxer {} on {}", dmx_name, name);
+                if let Some(dmx_fact) = reg.dmx_reg.find_demuxer(dmx_name) {
+                    br.seek(SeekFrom::Start(0)).unwrap();
+                    let dmx = create_demuxer_with_options(dmx_fact, br, opts).unwrap();
+                    return DemuxerObject::Normal(dmx);
+                } else {
+                    return DemuxerObject::None
+                }
+            }
             let (dmx_name, _) = res.unwrap_or(("", detect::DetectionScore::No));
-            if dmx_name != "" {
+            if !dmx_name.is_empty() {
                 println!("trying demuxer {} on {}", dmx_name, name);
                 if let Some(dmx_fact) = reg.dmx_reg.find_demuxer(dmx_name) {
                     br.seek(SeekFrom::Start(0)).unwrap();
-                    let dmx = create_demuxer(dmx_fact, br).unwrap();
+                    let dmx = create_demuxer_with_options(dmx_fact, br, opts).unwrap();
                     return DemuxerObject::Normal(dmx);
                 }
             }
-            if dmx_name != "" {
+            if !dmx_name.is_empty() {
                 println!("trying raw demuxer {} on {}", dmx_name, name);
                 if let Some(rdmx_fact) = reg.rdmx_reg.find_demuxer(dmx_name) {
                     br.seek(SeekFrom::Start(0)).unwrap();
-                    let dmx = create_raw_demuxer(rdmx_fact, br).unwrap();
+                    let dmx = create_raw_demuxer_with_options(rdmx_fact, br, opts).unwrap();
                     let mut pkts = Vec::new();
                     for stream in dmx.get_streams() {
                         if let Some(pcreate) = reg.pkt_reg.find_packetiser(stream.get_info().get_name()) {
-                            let packetiser = (pcreate)();
+                            let mut packetiser = (pcreate)();
+                            packetiser.attach_stream(stream);
                             pkts.push(Some(packetiser));
                         } else {
                             pkts.push(None);
@@ -131,7 +142,7 @@ impl<'a> DemuxerObject<'a> {
                 if rdmx.check_format(br) {
                     println!("detected {} as {}", name, rdmx.get_name());
                     br.seek(SeekFrom::Start(0)).unwrap();
-                    let dmx = create_raw_demuxer(*rdmx, br).unwrap();
+                    let dmx = create_raw_demuxer_with_options(*rdmx, br, opts).unwrap();
                     let mut pkts = Vec::new();
                     for stream in dmx.get_streams() {
                         if let Some(pcreate) = reg.pkt_reg.find_packetiser(stream.get_info().get_name()) {
@@ -159,7 +170,7 @@ impl<'a> DemuxerObject<'a> {
                 break;
             }
         }
-        if pname != "" {
+        if !pname.is_empty() {
             println!("found raw stream of type {} for {}", pname, name);
             let pcreate = reg.pkt_reg.find_packetiser(pname).unwrap();
             let mut packetiser = (pcreate)();
@@ -172,10 +183,7 @@ impl<'a> DemuxerObject<'a> {
         }
     }
     pub fn is_none(&self) -> bool {
-        match *self {
-            DemuxerObject::None => true,
-            _ => false,
-        }
+        matches!(*self, DemuxerObject::None)
     }
     pub fn get_duration(&self) -> u64 {
         match *self {
@@ -370,6 +378,27 @@ pub fn detect_tags(br: &mut ByteReader) -> (bool, u64, Option<u64>) {
             end = Some(off - size);
         }
     }
+    // check for MusicMatch tag
+    let ret = if let Some(endpos) = end {
+            br.seek(SeekFrom::Start(endpos - 0x30))
+        } else {
+            br.seek(SeekFrom::End(-0x30))
+        };
+    if ret.is_ok() && br.tell() > (0x2000 - 0x30) {
+        let mut buf = [0; 19];
+        br.peek_buf(&mut buf).unwrap();
+        if &buf == b"Brava Software Inc." {
+            br.seek(SeekFrom::Current(-20)).unwrap();
+            let mut mm_start = u64::from(br.read_u32le().unwrap());
+            if mm_start > 4 && mm_start + 0x2000 <= br.tell() {
+                let diff = (br.tell() - mm_start) & 3;
+                if diff != 0 {
+                    mm_start -= 4 - diff;
+                }
+                end = Some(mm_start);
+            }
+        }
+    }
 
     (is_raw, start, end)
 }