(vps []byte)
| 275 | return sh, nil |
| 276 | } |
| 277 | func (ctx *HVCDecoderConfigurationRecord) ParseVps(vps []byte) error { |
| 278 | if len(vps) < 2 { |
| 279 | return ErrHevc |
| 280 | } |
| 281 | |
| 282 | rbsp := nal2rbsp(vps[2:]) |
| 283 | br := nazabits.NewBitReader(rbsp) |
| 284 | |
| 285 | // skip |
| 286 | // vps_video_parameter_set_id u(4) |
| 287 | // vps_reserved_three_2bits u(2) |
| 288 | // vps_max_layers_minus1 u(6) |
| 289 | if _, err := br.ReadBits16(12); err != nil { |
| 290 | return ErrHevc |
| 291 | } |
| 292 | |
| 293 | vpsMaxSubLayersMinus1, err := br.ReadBits8(3) |
| 294 | if err != nil { |
| 295 | return ErrHevc |
| 296 | } |
| 297 | if vpsMaxSubLayersMinus1+1 > ctx.numTemporalLayers { |
| 298 | ctx.numTemporalLayers = vpsMaxSubLayersMinus1 + 1 |
| 299 | } |
| 300 | |
| 301 | // skip |
| 302 | // vps_temporal_id_nesting_flag u(1) |
| 303 | // vps_reserved_0xffff_16bits u(16) |
| 304 | if _, err := br.ReadBits32(17); err != nil { |
| 305 | return ErrHevc |
| 306 | } |
| 307 | |
| 308 | return ctx.parsePtl(&br, vpsMaxSubLayersMinus1) |
| 309 | } |
| 310 | |
| 311 | func (ctx *HVCDecoderConfigurationRecord) ParseSps(sps []byte) error { |
| 312 | var err error |
no test coverage detected