nihav-commonfmt/src/muxers/avi.rs

   1 use nihav_core::muxers::*;
   2 use nihav_registry::register::*;
   3
   4 #[derive(Clone,Copy)]
   5 struct IdxEntry {
   6     stream:     u32,
   7     stype:      StreamType,
   8     key:        bool,
   9     pos:        u32,
  10     len:        u32,
  11 }
  12
  13 #[derive(Clone,Copy)]
  14 struct AVIStream {
  15     strh_pos:   u64,
  16     nframes:    u32,
  17     is_video:   bool,
  18     max_size:   u32,
  19 }
  20
  21 struct AVIMuxer<'a> {
  22     bw:             &'a mut ByteWriter<'a>,
  23     index:          Vec<IdxEntry>,
  24     video_str:      Option<usize>,
  25     video_id:       u32,
  26     data_pos:       u64,
  27     stream_info:    Vec<AVIStream>,
  28 }
  29
  30 impl<'a> AVIMuxer<'a> {
  31     fn new(bw: &'a mut ByteWriter<'a>) -> Self {
  32         Self {
  33             bw,
  34             index:          Vec::new(),
  35             video_str:      None,
  36             video_id:       0,
  37             data_pos:       0,
  38             stream_info:    Vec::with_capacity(2),
  39         }
  40     }
  41 }
  42
  43 fn patch_size(bw: &mut ByteWriter, pos: u64) -> MuxerResult<()> {
  44     let size = bw.tell() - pos;
  45     bw.seek(SeekFrom::Current(-((size + 4) as i64)))?;
  46     bw.write_u32le(size as u32)?;
  47     bw.seek(SeekFrom::End(0))?;
  48     Ok(())
  49 }
  50
  51 fn write_chunk_hdr(bw: &mut ByteWriter, stype: StreamType, str_no: u32) -> MuxerResult<()> {
  52     bw.write_byte(b'0' + ((str_no / 10) as u8))?;
  53     bw.write_byte(b'0' + ((str_no % 10) as u8))?;
  54     match stype {
  55         StreamType::Video => { bw.write_buf(b"dc")?; },
  56         StreamType::Audio => { bw.write_buf(b"wb")?; },
  57         StreamType::Subtitles => { bw.write_buf(b"tx")?; },
  58         _ => return Err(MuxerError::UnsupportedFormat),
  59     };
  60     Ok(())
  61 }
  62
  63 impl<'a> MuxCore<'a> for AVIMuxer<'a> {
  64     #[allow(clippy::unreadable_literal)]
  65     #[allow(clippy::cast_lossless)]
  66     fn create(&mut self, strmgr: &StreamManager) -> MuxerResult<()> {
  67         if strmgr.get_num_streams() == 0 {
  68             return Err(MuxerError::InvalidArgument);
  69         }
  70         if strmgr.get_num_streams() > 99 {
  71             return Err(MuxerError::UnsupportedFormat);
  72         }
  73         for (str_no, str) in strmgr.iter().enumerate() {
  74             if str.get_media_type() == StreamType::Video {
  75                 self.video_str = Some(str_no);
  76                 self.video_id  = str.id;
  77                 break;
  78             }
  79         }
  80         let (vinfo, tb_num, tb_den) = if let Some(str_id) = self.video_str {
  81                 let vstr = strmgr.get_stream(str_id).unwrap();
  82                 (vstr.get_info(), vstr.tb_num, vstr.tb_den)
  83             } else {
  84                 (NACodecInfo::new_dummy(), 0, 1)
  85             };
  86         let hdrl_pos = self.bw.tell() + 20;
  87         self.bw.write_buf(b"RIFF\0\0\0\0AVI LIST\0\0\0\0hdrlavih")?;
  88         self.bw.write_u32le(56)?; // avih size
  89         let ms_per_frame = NATimeInfo::ts_to_time(1, 1000000, tb_num, tb_den);
  90         self.bw.write_u32le(ms_per_frame as u32)?;
  91         self.bw.write_u32le(0)?; // max transfer rate
  92         self.bw.write_u32le(0)?; // padding granularity
  93         self.bw.write_u32le(0)?; // flags
  94         self.bw.write_u32le(0)?; // total frames
  95         self.bw.write_u32le(0)?; // initial frames
  96         self.bw.write_u32le(strmgr.get_num_streams() as u32)?;
  97         self.bw.write_u32le(0)?; // suggested buffer size
  98         if let NACodecTypeInfo::Video(ref vinfo) = vinfo.get_properties() {
  99             self.bw.write_u32le(vinfo.width as u32)?;
 100             self.bw.write_u32le(vinfo.height as u32)?;
 101         } else {
 102             self.bw.write_u32le(0)?;
 103             self.bw.write_u32le(0)?;
 104         }
 105         self.bw.write_u32le(0)?; // reserved
 106         self.bw.write_u32le(0)?; // reserved
 107         self.bw.write_u32le(0)?; // reserved
 108         self.bw.write_u32le(0)?; // reserved
 109
 110         for str in strmgr.iter() {
 111             let strl_pos = self.bw.tell() + 8;
 112             self.bw.write_buf(b"LIST\0\0\0\0strlstrh")?;
 113             self.bw.write_u32le(56)?; // strh size
 114
 115             match str.get_media_type() {
 116                 StreamType::Video => {
 117                     self.bw.write_buf(b"vids")?;
 118                     let fcc = find_avi_fourcc(str.get_info().get_name());
 119                     if fcc.is_none() {
 120                         return Err(MuxerError::UnsupportedFormat);
 121                     }
 122                     self.bw.write_buf(&fcc.unwrap_or([0; 4]))?;
 123                     let vinfo = str.get_info().get_properties().get_video_info().unwrap();
 124                     if vinfo.width >= (1 << 16) || vinfo.height >= (1 << 16) {
 125                         return Err(MuxerError::UnsupportedFormat);
 126                     }
 127                 },
 128                 StreamType::Audio => {
 129                     self.bw.write_buf(b"auds")?;
 130                     self.bw.write_u32le(0)?;
 131                 },
 132                 StreamType::Subtitles => {
 133                     self.bw.write_buf(b"txts")?;
 134                     self.bw.write_u32le(0)?;
 135                 },
 136                 _ => return Err(MuxerError::UnsupportedFormat),
 137             };
 138             self.stream_info.push(AVIStream {
 139                     strh_pos:   self.bw.tell(),
 140                     is_video:   str.get_media_type() == StreamType::Video,
 141                     nframes:    0,
 142                     max_size:   0,
 143                 });
 144
 145             self.bw.write_u32le(0)?; // flags
 146             self.bw.write_u16le(0)?; // priority
 147             self.bw.write_u16le(0)?; // language
 148             self.bw.write_u32le(0)?; // initial frames
 149             self.bw.write_u32le(str.tb_num)?;
 150             self.bw.write_u32le(str.tb_den)?;
 151             self.bw.write_u32le(0)?; // start
 152             self.bw.write_u32le(0)?; // length
 153             self.bw.write_u32le(0)?; // suggested buffer size
 154             self.bw.write_u32le(0)?; // quality
 155             self.bw.write_u32le(0)?; // sample_size
 156             self.bw.write_u16le(0)?; // x
 157             self.bw.write_u16le(0)?; // y
 158             self.bw.write_u16le(0)?; // w
 159             self.bw.write_u16le(0)?; // h
 160
 161             self.bw.write_buf(b"strf")?;
 162             self.bw.write_u32le(0)?;
 163             let strf_pos = self.bw.tell();
 164             match str.get_media_type() {
 165                 StreamType::Video => {
 166                     let vinfo = str.get_info().get_properties().get_video_info().unwrap();
 167                     let hdr_pos = self.bw.tell();
 168                     self.bw.write_u32le(0)?;
 169                     self.bw.write_u32le(vinfo.width as u32)?;
 170                     if vinfo.flipped {
 171                         self.bw.write_u32le((-(vinfo.height as i32)) as u32)?;
 172                     } else {
 173                         self.bw.write_u32le(vinfo.height as u32)?;
 174                     }
 175                     self.bw.write_u16le(vinfo.format.components as u16)?;
 176                     self.bw.write_u16le(vinfo.format.get_total_depth() as u16)?;
 177                     let fcc = find_avi_fourcc(str.get_info().get_name());
 178                     if fcc.is_none() {
 179                         return Err(MuxerError::UnsupportedFormat);
 180                     }
 181                     self.bw.write_buf(&fcc.unwrap_or([0; 4]))?;
 182                     self.bw.write_u32le(0)?; // image size
 183                     self.bw.write_u32le(0)?; // x dpi
 184                     self.bw.write_u32le(0)?; // y dpi
 185                     if vinfo.format.palette {
 186 //                        unimplemented!();
 187                         self.bw.write_u32le(0)?; // total colors
 188                         self.bw.write_u32le(0)?; // important colors
 189 println!("pal?");
 190                     } else {
 191                         self.bw.write_u32le(0)?; // total colors
 192                         self.bw.write_u32le(0)?; // important colors
 193                     }
 194                     if let Some(ref edata) = str.get_info().get_extradata() {
 195                         self.bw.write_buf(edata.as_slice())?;
 196                     }
 197                     let bisize = self.bw.tell() - hdr_pos;
 198                     self.bw.seek(SeekFrom::Current(-(bisize as i64)))?;
 199                     self.bw.write_u32le(bisize as u32)?;
 200                     self.bw.seek(SeekFrom::End(0))?;
 201                 },
 202                 StreamType::Audio => {
 203                     let ainfo = str.get_info().get_properties().get_audio_info().unwrap();
 204                     let twocc = find_wav_twocc(str.get_info().get_name());
 205                     if twocc.is_none() {
 206                         return Err(MuxerError::UnsupportedFormat);
 207                     }
 208                     self.bw.write_u16le(twocc.unwrap_or(0))?;
 209                     self.bw.write_u16le(ainfo.channels as u16)?;
 210                     self.bw.write_u32le(ainfo.sample_rate)?;
 211                     self.bw.write_u32le(0)?; // avg bytes per second
 212                     self.bw.write_u16le(ainfo.block_len as u16)?;
 213                     self.bw.write_u16le(ainfo.format.bits as u16)?;
 214                     if let Some(ref edata) = str.get_info().get_extradata() {
 215                         self.bw.write_buf(edata.as_slice())?;
 216                     }
 217                 },
 218                 StreamType::Subtitles => {
 219                     if let Some(ref edata) = str.get_info().get_extradata() {
 220                         self.bw.write_buf(edata.as_slice())?;
 221                     }
 222                 },
 223                 _ => unreachable!(),
 224             };
 225             patch_size(&mut self.bw, strf_pos)?;
 226             patch_size(&mut self.bw, strl_pos)?;
 227         }
 228         patch_size(&mut self.bw, hdrl_pos)?;
 229
 230         self.data_pos = self.bw.tell() + 8;
 231         self.bw.write_buf(b"LIST\0\0\0\0movi")?;
 232
 233         Ok(())
 234     }
 235     fn mux_frame(&mut self, _strmgr: &StreamManager, pkt: NAPacket) -> MuxerResult<()> {
 236         if self.data_pos == 0 {
 237             return Err(MuxerError::NotCreated);
 238         }
 239         let str = pkt.get_stream();
 240         let str_num = str.get_num();
 241         if str_num > 99 || str_num >= self.stream_info.len() {
 242             return Err(MuxerError::UnsupportedFormat);
 243         }
 244
 245         let chunk_len = pkt.get_buffer().len() as u32;
 246
 247         self.stream_info[str_num].nframes += 1;
 248         self.stream_info[str_num].max_size = self.stream_info[str_num].max_size.max(chunk_len);
 249 // todo palchange
 250         self.index.push(IdxEntry {
 251                 stream: str_num as u32,
 252                 stype:  str.get_media_type(),
 253                 key:    pkt.keyframe,
 254                 pos:    self.bw.tell() as u32,
 255                 len:    chunk_len });
 256         write_chunk_hdr(&mut self.bw, str.get_media_type(), str_num as u32)?;
 257         self.bw.write_u32le(chunk_len)?;
 258         self.bw.write_buf(pkt.get_buffer().as_slice())?;
 259         if (self.bw.tell() & 1) != 0 {
 260             self.bw.write_byte(0)?;
 261         }
 262         Ok(())
 263     }
 264     fn flush(&mut self) -> MuxerResult<()> {
 265         Ok(())
 266     }
 267     fn end(&mut self) -> MuxerResult<()> {
 268         patch_size(&mut self.bw, self.data_pos)?;
 269         if !self.index.is_empty() {
 270             self.bw.write_buf(b"idx1")?;
 271             self.bw.write_u32le((self.index.len() * 16) as u32)?;
 272             for item in self.index.iter() {
 273                 write_chunk_hdr(&mut self.bw, item.stype, item.stream)?;
 274                 self.bw.write_u32le(if item.key { 0x10 } else { 0 })?;
 275                 self.bw.write_u32le(item.pos)?;
 276                 self.bw.write_u32le(item.len)?;
 277             }
 278         }
 279         patch_size(&mut self.bw, 8)?;
 280         let mut max_frames = 0;
 281         let mut max_size = 0;
 282         for stri in self.stream_info.iter() {
 283             max_frames = max_frames.max(stri.nframes);
 284             max_size = max_size.max(stri.max_size);
 285             self.bw.seek(SeekFrom::Start(stri.strh_pos + 0x18))?;
 286             self.bw.write_u32le(if stri.is_video { stri.nframes } else { 0 })?;
 287             self.bw.write_u32le(stri.max_size)?;
 288         }
 289         self.bw.seek(SeekFrom::Start(0x30))?;
 290         self.bw.write_u32le(max_frames)?;
 291         self.bw.seek(SeekFrom::Current(8))?;
 292         self.bw.write_u32le(max_size)?;
 293         Ok(())
 294     }
 295 }
 296
 297 impl<'a> NAOptionHandler for AVIMuxer<'a> {
 298     fn get_supported_options(&self) -> &[NAOptionDefinition] { &[] }
 299     fn set_options(&mut self, _options: &[NAOption]) { }
 300     fn query_option_value(&self, _name: &str) -> Option<NAValue> { None }
 301 }
 302
 303 pub struct AVIMuxerCreator {}
 304
 305 impl MuxerCreator for AVIMuxerCreator {
 306     fn new_muxer<'a>(&self, bw: &'a mut ByteWriter<'a>) -> Box<dyn MuxCore<'a> + 'a> {
 307         Box::new(AVIMuxer::new(bw))
 308     }
 309     fn get_name(&self) -> &'static str { "avi" }
 310     fn get_capabilities(&self) -> MuxerCapabilities { MuxerCapabilities::Universal }
 311 }
 312
 313 #[cfg(test)]
 314 mod test {
 315     use nihav_core::codecs::*;
 316     use nihav_core::demuxers::*;
 317     use nihav_core::muxers::*;
 318     use nihav_codec_support::test::enc_video::*;
 319     use crate::*;
 320
 321     #[test]
 322     fn test_avi_muxer() {
 323         let mut dmx_reg = RegisteredDemuxers::new();
 324         generic_register_all_demuxers(&mut dmx_reg);
 325         let dec_config = DecoderTestParams {
 326                 demuxer:        "avi",
 327                 in_name:        "assets/Indeo/laser05.avi",
 328                 limit:          None,
 329                 stream_type:    StreamType::None,
 330                 dmx_reg, dec_reg: RegisteredDecoders::new(),
 331             };
 332         let mut mux_reg = RegisteredMuxers::new();
 333         generic_register_all_muxers(&mut mux_reg);
 334         /*let enc_config = EncoderTestParams {
 335                 muxer:      "avi",
 336                 enc_name:   "",
 337                 out_name:   "muxed.avi",
 338                 mux_reg, enc_reg: RegisteredEncoders::new(),
 339             };
 340         test_remuxing(&dec_config, &enc_config);*/
 341         test_remuxing_md5(&dec_config, "avi", &mux_reg,
 342                           [0xa0fb0e47, 0x412e24dd, 0x6b89711c, 0x276fb799]);
 343     }
 344 }