| 379 | } |
| 380 | |
| 381 | bool decoderDav1d::pushData(QByteArray &data) |
| 382 | { |
| 383 | if (decoderState != DecoderState::NeedsMoreData) |
| 384 | { |
| 385 | DEBUG_DAV1D("decoderDav1d::pushData: Wrong decoder state."); |
| 386 | return false; |
| 387 | } |
| 388 | if (flushing) |
| 389 | { |
| 390 | DEBUG_DAV1D("decoderDav1d::pushData: Do not push data when flushing!"); |
| 391 | return false; |
| 392 | } |
| 393 | |
| 394 | if (!sequenceHeaderPushed) |
| 395 | { |
| 396 | // The first packet which is pushed to the decoder should be a sequence header. |
| 397 | // Otherwise, the decoder can not decode the data. |
| 398 | if (data.size() == 0) |
| 399 | { |
| 400 | DEBUG_DAV1D( |
| 401 | "decoderDav1d::pushData Error: Sequence header not pushed yet and the data is empty"); |
| 402 | return setErrorB("Error: Sequence header not pushed yet and the data is empty."); |
| 403 | } |
| 404 | |
| 405 | Dav1dSequenceHeader seq; |
| 406 | int err = |
| 407 | this->lib.dav1d_parse_sequence_header(&seq, (const uint8_t *)data.data(), data.size()); |
| 408 | if (err == 0) |
| 409 | { |
| 410 | sequenceHeaderPushed = true; |
| 411 | |
| 412 | auto s = Size(seq.max_width, seq.max_height); |
| 413 | if (!s.isValid()) |
| 414 | DEBUG_DAV1D("decoderDav1d::pushData got invalid frame size"); |
| 415 | auto subsampling = convertFromInternalSubsampling(seq.layout); |
| 416 | if (subsampling == Subsampling::UNKNOWN) |
| 417 | DEBUG_DAV1D("decoderDav1d::pushData got invalid subsampling"); |
| 418 | int bitDepth = (seq.hbd == 0 ? 8 : (seq.hbd == 1 ? 10 : (seq.hbd == 2 ? 12 : -1))); |
| 419 | if (bitDepth < 8 || bitDepth > 16) |
| 420 | DEBUG_DAV1D("decoderDav1d::pushData got invalid bit depth"); |
| 421 | subBlockSize = (seq.sb128 >= 1) ? 128 : 64; |
| 422 | |
| 423 | this->frameSize = s; |
| 424 | this->formatYUV = video::yuv::PixelFormatYUV(subsampling, bitDepth); |
| 425 | } |
| 426 | else |
| 427 | { |
| 428 | DEBUG_DAV1D("decoderDav1d::pushData Error: No sequence header revieved yet and parsing of " |
| 429 | "this packet as slice header failed. Ignoring packet."); |
| 430 | return true; |
| 431 | } |
| 432 | } |
| 433 | |
| 434 | if (data.size() == 0) |
| 435 | { |
| 436 | // The input file is at the end. Switch to flushing mode. |
| 437 | DEBUG_DAV1D("decoderDav1d::pushData input ended - flushing"); |
| 438 | flushing = true; |
nothing calls this directly
no test coverage detected