diff options
Diffstat (limited to 'engines/mohawk/video/qt_player.cpp')
| -rw-r--r-- | engines/mohawk/video/qt_player.cpp | 152 |
1 files changed, 76 insertions, 76 deletions
diff --git a/engines/mohawk/video/qt_player.cpp b/engines/mohawk/video/qt_player.cpp index b35f43ca2d..cddecbae9e 100644 --- a/engines/mohawk/video/qt_player.cpp +++ b/engines/mohawk/video/qt_player.cpp @@ -52,7 +52,7 @@ namespace Mohawk { //////////////////////////////////////////// -// QTPlayer +// QTPlayer //////////////////////////////////////////// QTPlayer::QTPlayer() { @@ -73,35 +73,35 @@ QTPlayer::~QTPlayer() { uint16 QTPlayer::getWidth() { if (_videoStreamIndex < 0) return 0; - + return _streams[_videoStreamIndex]->width; } uint16 QTPlayer::getHeight() { if (_videoStreamIndex < 0) return 0; - + return _streams[_videoStreamIndex]->height; } uint32 QTPlayer::getFrameCount() { if (_videoStreamIndex < 0) return 0; - + return _streams[_videoStreamIndex]->nb_frames; } byte QTPlayer::getBitsPerPixel() { if (_videoStreamIndex < 0) return 0; - + return _streams[_videoStreamIndex]->bits_per_sample & 0x1F; } uint32 QTPlayer::getCodecTag() { if (_videoStreamIndex < 0) return 0; - + return _streams[_videoStreamIndex]->codec_tag; } @@ -115,7 +115,7 @@ ScaleMode QTPlayer::getScaleMode() { uint32 QTPlayer::getFrameDuration() { if (_videoStreamIndex < 0) return 0; - + uint32 curFrameIndex = 0; for (int32 i = 0; i < _streams[_videoStreamIndex]->stts_count; i++) { curFrameIndex += _streams[_videoStreamIndex]->stts_data[i].count; @@ -124,7 +124,7 @@ uint32 QTPlayer::getFrameDuration() { return _streams[_videoStreamIndex]->stts_data[i].duration * 1000 * 100 / _streams[_videoStreamIndex]->time_scale; } } - + // This should never occur error ("Cannot find duration for frame %d", _curFrame); return 0; @@ -132,10 +132,10 @@ uint32 QTPlayer::getFrameDuration() { void QTPlayer::stop() { stopAudio(); - + if (!_noCodecFound) delete _videoCodec; - + closeFile(); } @@ -182,14 +182,14 @@ Graphics::Codec *QTPlayer::createCodec(uint32 codecTag, byte bitsPerPixel) { } else { warning ("Unsupported codec \'%s\'", tag2str(codecTag)); } - + return NULL; } void QTPlayer::startAudio() { if (!_audStream) // No audio/audio not supported return; - + g_system->getMixer()->playInputStream(Audio::Mixer::kPlainSoundType, &_audHandle, _audStream); } @@ -205,19 +205,19 @@ void QTPlayer::stopAudio() { g_system->getMixer()->stopHandle(_audHandle); } -Graphics::Surface *QTPlayer::getNextFrame() { +Graphics::Surface *QTPlayer::getNextFrame() { if (_noCodecFound || _curFrame >= (int32)getFrameCount() - 1) return NULL; - + if (_nextFrameStart == 0) _nextFrameStart = g_system->getMillis() * 100; - + _lastFrameStart = _nextFrameStart; _curFrame++; _nextFrameStart = getFrameDuration() + _lastFrameStart; - + Common::SeekableReadStream *frameData = getNextFramePacket(); - + if (!_videoCodec) { _videoCodec = createCodec(getCodecTag(), getBitsPerPixel()); // If we don't get it still, the codec is unsupported ;) @@ -261,7 +261,7 @@ bool QTPlayer::loadFile(Common::SeekableReadStream *stream) { MOVatom atom = { 0, 0, 0xffffffff }; - if (readDefault(atom) < 0 || (!_foundMOOV && !_foundMDAT)) + if (readDefault(atom) < 0 || (!_foundMOOV && !_foundMDAT)) return false; debug(0, "on_parse_exit_offset=%d", _fd->pos()); @@ -297,22 +297,22 @@ bool QTPlayer::loadFile(Common::SeekableReadStream *stream) { sc->ffindex = i; sc->is_ff_stream = 1; - + if (sc->codec_type == CODEC_TYPE_VIDEO && _videoStreamIndex < 0) _videoStreamIndex = i; else if (sc->codec_type == CODEC_TYPE_AUDIO && _audioStreamIndex < 0) _audioStreamIndex = i; } - + if (_audioStreamIndex >= 0 && checkAudioCodecSupport(_streams[_audioStreamIndex]->codec_tag)) { _audStream = Audio::makeQueuingAudioStream(_streams[_audioStreamIndex]->sample_rate, _streams[_audioStreamIndex]->channels == 2); _curAudioChunk = 0; - + // Make sure the bits per sample transfers to the sample size if (_streams[_audioStreamIndex]->codec_tag == MKID_BE('raw ') || _streams[_audioStreamIndex]->codec_tag == MKID_BE('twos')) _streams[_audioStreamIndex]->sample_size = (_streams[_audioStreamIndex]->bits_per_sample / 8) * _streams[_audioStreamIndex]->channels; } - + return true; } @@ -359,29 +359,29 @@ int QTPlayer::readDefault(MOVatom atom) { while(((total_size + 8) < atom.size) && !_fd->eos() && !err) { a.size = atom.size; a.type = 0; - + if (atom.size >= 8) { a.size = _fd->readUint32BE(); a.type = _fd->readUint32BE(); } - + total_size += 8; a.offset += 8; debug(4, "type: %08x %.4s sz: %x %x %x", a.type, tag2str(a.type), a.size, atom.size, total_size); - + if (a.size == 1) { // 64 bit extended size warning("64 bit extended size is not supported in QuickTime"); return -1; } - + if (a.size == 0) { a.size = atom.size - total_size; if (a.size <= 8) break; } - + uint32 i = 0; - + for (; _parseTable[i].type != 0 && _parseTable[i].type != a.type; i++) // empty; @@ -397,9 +397,9 @@ int QTPlayer::readDefault(MOVatom atom) { } else { uint32 start_pos = _fd->pos(); err = (this->*_parseTable[i].func)(a); - + uint32 left = a.size - _fd->pos() + start_pos; - + if (left > 0) // skip garbage at atom end _fd->seek(left, SEEK_CUR); } @@ -445,40 +445,40 @@ int QTPlayer::readCMOV(MOVatom atom) { warning("Unknown cmov compression type"); return -1; } - + // Read in the cmvd atom uint32 compressedSize = _fd->readUint32BE() - 12; if (_fd->readUint32BE() != MKID_BE('cmvd')) return -1; uint32 uncompressedSize = _fd->readUint32BE(); - + // Read in data byte *compressedData = (byte *)malloc(compressedSize); _fd->read(compressedData, compressedSize); - + // Create uncompressed stream byte *uncompressedData = (byte *)malloc(uncompressedSize); - + // Uncompress the data unsigned long dstLen = uncompressedSize; if (!Common::uncompress(uncompressedData, &dstLen, compressedData, compressedSize)) { warning ("Could not uncompress cmov chunk"); return -1; } - + // Load data into a new MemoryReadStream and assign _fd to be that Common::SeekableReadStream *oldStream = _fd; _fd = new Common::MemoryReadStream(uncompressedData, uncompressedSize, DisposeAfterUse::YES); - + // Read the contents of the uncompressed data MOVatom a = { MKID_BE('moov'), 0, uncompressedSize }; int err = readDefault(a); - + // Assign the file handle back to the original handle free(compressedData); delete _fd; _fd = oldStream; - + return err; #else warning ("zlib not found, cannot read QuickTime cmov atom"); @@ -498,7 +498,7 @@ int QTPlayer::readMVHD(MOVatom atom) { _fd->readUint32BE(); // creation time _fd->readUint32BE(); // modification time } - + _timeScale = _fd->readUint32BE(); // time scale debug(0, "time scale = %i\n", _timeScale); @@ -593,7 +593,7 @@ int QTPlayer::readTKHD(MOVatom atom) { _fd->readUint32BE(); // creation time _fd->readUint32BE(); // modification time } - + /* st->id = */_fd->readUint32BE(); // track id (NOT 0 !) _fd->readUint32BE(); // reserved //st->start_time = 0; // check @@ -605,7 +605,7 @@ int QTPlayer::readTKHD(MOVatom atom) { _fd->readUint16BE(); // alternate group _fd->readUint16BE(); // volume _fd->readUint16BE(); // reserved - + // We only need the two values from the displacement matrix for a track. // See readMVHD() for more information. uint32 xMod = _fd->readUint32BE(); @@ -643,9 +643,9 @@ int QTPlayer::readELST(MOVatom atom) { _fd->readUint32BE(); // Media time _fd->readUint32BE(); // Media rate } - + debug(0, "track[%i].edit_count = %i", _numStreams - 1, _streams[_numStreams - 1]->edit_count); - + if (editCount != 1) warning("Multiple edit list entries. Things may go awry"); @@ -743,7 +743,7 @@ int QTPlayer::readSTSD(MOVatom atom) { if (st->codec_type == CODEC_TYPE_VIDEO) { debug(0, "Video Codec FourCC: \'%s\'", tag2str(format)); - + _fd->readUint16BE(); // version _fd->readUint16BE(); // revision level _fd->readUint32BE(); // vendor @@ -804,7 +804,7 @@ int QTPlayer::readSTSD(MOVatom atom) { #if 0 byte *color_table; byte r, g, b; - + if (colorDepth == 2) color_table = ff_qt_default_palette_4; else if (colorDepth == 4) @@ -846,7 +846,7 @@ int QTPlayer::readSTSD(MOVatom atom) { st->palettized = false; } else if (st->codec_type == CODEC_TYPE_AUDIO) { debug(0, "Audio Codec FourCC: \'%s\'", tag2str(format)); - + st->stsd_version = _fd->readUint16BE(); _fd->readUint16BE(); // revision level _fd->readUint32BE(); // vendor @@ -877,7 +877,7 @@ int QTPlayer::readSTSD(MOVatom atom) { warning("Unsupported QuickTime STSD audio version %d", st->stsd_version); return 1; } - + // Version 0 videos (such as the Riven ones) don't have this set, // but we need it later on. Add it in here. if (format == MKID_BE('ima4')) { @@ -888,7 +888,7 @@ int QTPlayer::readSTSD(MOVatom atom) { // other codec type, just skip (rtp, mp4s, tmcd ...) _fd->seek(size - (_fd->pos() - start_pos), SEEK_CUR); } - + // this will read extra atoms at the end (wave, alac, damr, avcC, SMI ...) a.size = size - (_fd->pos() - start_pos); if (a.size > 8) @@ -924,7 +924,7 @@ int QTPlayer::readSTSC(MOVatom atom) { st->sample_to_chunk[i].id = _fd->readUint32BE(); //printf ("Sample to Chunk[%d]: First = %d, Count = %d\n", i, st->sample_to_chunk[i].first, st->sample_to_chunk[i].count); } - + return 0; } @@ -974,7 +974,7 @@ int QTPlayer::readSTSZ(MOVatom atom) { st->sample_sizes[i] = _fd->readUint32BE(); debug(6, "sample_sizes[%d] = %d", i, st->sample_sizes[i]); } - + return 0; } @@ -990,7 +990,7 @@ int QTPlayer::readSTTS(MOVatom atom) { _fd->readByte(); // version _fd->readByte(); _fd->readByte(); _fd->readByte(); // flags - + st->stts_count = _fd->readUint32BE(); st->stts_data = new MOVstts[st->stts_count]; @@ -1031,7 +1031,7 @@ int QTPlayer::readSTCO(MOVatom atom) { st->chunk_count = _fd->readUint32BE(); st->chunk_offsets = new uint32[st->chunk_count]; - + if (!st->chunk_offsets) return -1; @@ -1053,7 +1053,7 @@ int QTPlayer::readSTCO(MOVatom atom) { _ni = 1; } } - + return 0; } @@ -1062,7 +1062,7 @@ int QTPlayer::readWAVE(MOVatom atom) { return 0; MOVStreamContext *st = _streams[_numStreams - 1]; - + if (atom.size > (1 << 30)) return -1; @@ -1079,50 +1079,50 @@ int QTPlayer::readWAVE(MOVatom atom) { void QTPlayer::closeFile() { for (uint32 i = 0; i < _numStreams; i++) delete _streams[i]; - + delete _fd; - + // The audio stream is deleted automatically _audStream = NULL; } void QTPlayer::resetInternal() { - + } Common::SeekableReadStream *QTPlayer::getNextFramePacket() { if (_videoStreamIndex < 0) return NULL; - + // First, we have to track down which chunk holds the sample and which sample in the chunk contains the frame we are looking for. int32 totalSampleCount = 0; int32 sampleInChunk = 0; int32 actualChunk = -1; - + for (uint32 i = 0; i < _streams[_videoStreamIndex]->chunk_count; i++) { int32 sampleToChunkIndex = -1; - + for (uint32 j = 0; j < _streams[_videoStreamIndex]->sample_to_chunk_sz; j++) if (i >= _streams[_videoStreamIndex]->sample_to_chunk[j].first - 1) sampleToChunkIndex = j; - + if (sampleToChunkIndex < 0) error("This chunk (%d) is imaginary", sampleToChunkIndex); - + totalSampleCount += _streams[_videoStreamIndex]->sample_to_chunk[sampleToChunkIndex].count; - + if (totalSampleCount > getCurFrame()) { actualChunk = i; sampleInChunk = _streams[_videoStreamIndex]->sample_to_chunk[sampleToChunkIndex].count - totalSampleCount + getCurFrame(); break; } } - + if (actualChunk < 0) { warning ("Could not find data for frame %d", getCurFrame()); return NULL; } - + // Next seek to that frame _fd->seek(_streams[_videoStreamIndex]->chunk_offsets[actualChunk]); @@ -1136,10 +1136,10 @@ Common::SeekableReadStream *QTPlayer::getNextFramePacket() { // Finally, read in the raw data for the frame //printf ("Frame Data[%d]: Offset = %d, Size = %d\n", getCurFrame(), _fd->pos(), _streams[_videoStreamIndex]->sample_sizes[getCurFrame()]); - + if (_streams[_videoStreamIndex]->sample_size != 0) return _fd->readStream(_streams[_videoStreamIndex]->sample_size); - + return _fd->readStream(_streams[_videoStreamIndex]->sample_sizes[getCurFrame()]); } @@ -1156,7 +1156,7 @@ bool QTPlayer::checkAudioCodecSupport(uint32 tag) { Audio::AudioStream *QTPlayer::createAudioStream(Common::SeekableReadStream *stream) { if (!stream || _audioStreamIndex < 0) return NULL; - + if (_streams[_audioStreamIndex]->codec_tag == MKID_BE('twos') || _streams[_audioStreamIndex]->codec_tag == MKID_BE('raw ')) { // Fortunately, most of the audio used in Myst videos is raw... uint16 flags = 0; @@ -1178,9 +1178,9 @@ Audio::AudioStream *QTPlayer::createAudioStream(Common::SeekableReadStream *stre // Several Myst ME videos use this codec return new QDM2Stream(stream, _streams[_audioStreamIndex]->extradata); } - + error("Unsupported audio codec"); - + return NULL; } @@ -1191,20 +1191,20 @@ void QTPlayer::updateAudioBuffer() { // Keep two streams in buffer so that when the first ends, it goes right into the next for (; _audStream->numQueuedStreams() < 2 && _curAudioChunk < _streams[_audioStreamIndex]->chunk_count; _curAudioChunk++) { Common::MemoryWriteStreamDynamic *wStream = new Common::MemoryWriteStreamDynamic(); - + _fd->seek(_streams[_audioStreamIndex]->chunk_offsets[_curAudioChunk]); - + // First, we have to get the sample count uint32 sampleCount = 0; for (uint32 j = 0; j < _streams[_audioStreamIndex]->sample_to_chunk_sz; j++) if (_curAudioChunk >= (_streams[_audioStreamIndex]->sample_to_chunk[j].first - 1)) sampleCount = _streams[_audioStreamIndex]->sample_to_chunk[j].count; assert(sampleCount); - + // Then calculate the right sizes while (sampleCount > 0) { uint32 samples = 0, size = 0; - + if (_streams[_audioStreamIndex]->samples_per_frame >= 160) { samples = _streams[_audioStreamIndex]->samples_per_frame; size = _streams[_audioStreamIndex]->bytes_per_frame; @@ -1215,7 +1215,7 @@ void QTPlayer::updateAudioBuffer() { samples = MIN<uint32>(1024, sampleCount); size = samples * _streams[_audioStreamIndex]->sample_size; } - + // Now, we read in the data for this data and output it byte *data = (byte *)malloc(size); _fd->read(data, size); @@ -1223,7 +1223,7 @@ void QTPlayer::updateAudioBuffer() { free(data); sampleCount -= samples; } - + // Now queue the buffer _audStream->queueAudioStream(createAudioStream(new Common::MemoryReadStream(wStream->getData(), wStream->size(), DisposeAfterUse::YES))); delete wStream; |