diff options
Diffstat (limited to 'engines/mohawk/video/qt_player.cpp')
| -rw-r--r-- | engines/mohawk/video/qt_player.cpp | 1272 |
1 files changed, 0 insertions, 1272 deletions
diff --git a/engines/mohawk/video/qt_player.cpp b/engines/mohawk/video/qt_player.cpp deleted file mode 100644 index 0ed05bb84d..0000000000 --- a/engines/mohawk/video/qt_player.cpp +++ /dev/null @@ -1,1272 +0,0 @@ -/* ScummVM - Graphic Adventure Engine - * - * ScummVM is the legal property of its developers, whose names - * are too numerous to list here. Please refer to the COPYRIGHT - * file distributed with this source distribution. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * $URL$ - * $Id$ - * - */ - -// -// Heavily based on ffmpeg code. -// -// Copyright (c) 2001 Fabrice Bellard. -// First version by Francois Revol revol@free.fr -// Seek function by Gael Chardon gael.dev@4now.net -// - -#include "mohawk/video/qt_player.h" - -#include "common/debug.h" -#include "common/endian.h" -#include "common/util.h" -#include "common/zlib.h" - -// Audio codecs -#include "sound/decoders/adpcm.h" -#include "sound/decoders/raw.h" -#include "mohawk/video/qdm2.h" - -// Video codecs -#include "mohawk/jpeg.h" -#include "mohawk/video/cinepak.h" -#include "mohawk/video/qtrle.h" -#include "mohawk/video/rpza.h" -#include "mohawk/video/smc.h" - -namespace Mohawk { - -//////////////////////////////////////////// -// QTPlayer -//////////////////////////////////////////// - -QTPlayer::QTPlayer() : Graphics::VideoDecoder() { - _audStream = NULL; - _beginOffset = 0; - _videoCodec = NULL; - _curFrame = -1; - _startTime = _nextFrameStartTime = 0; - _audHandle = Audio::SoundHandle(); - _numStreams = 0; - _fd = 0; - _scaledSurface = 0; - _dirtyPalette = false; -} - -QTPlayer::~QTPlayer() { - close(); -} - -uint16 QTPlayer::getWidth() const { - if (_videoStreamIndex < 0) - return 0; - - return _streams[_videoStreamIndex]->width / getScaleMode(); -} - -uint16 QTPlayer::getHeight() const { - if (_videoStreamIndex < 0) - return 0; - - return _streams[_videoStreamIndex]->height / getScaleMode(); -} - -uint32 QTPlayer::getFrameCount() const { - 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; -} - -ScaleMode QTPlayer::getScaleMode() const { - if (_videoStreamIndex < 0) - return kScaleNormal; - - return (ScaleMode)(_scaleMode * _streams[_videoStreamIndex]->scaleMode); -} - -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; - if ((uint32)_curFrame < curFrameIndex) { - // Ok, now we have what duration this frame has. - return _streams[_videoStreamIndex]->stts_data[i].duration; - } - } - - // This should never occur - error ("Cannot find duration for frame %d", _curFrame); - return 0; -} - -Graphics::PixelFormat QTPlayer::getPixelFormat() const { - if (!_videoCodec) - return Graphics::PixelFormat::createFormatCLUT8(); - - return _videoCodec->getPixelFormat(); -} - -void QTPlayer::rewind() { - delete _videoCodec; _videoCodec = NULL; - _curFrame = -1; - _startTime = _nextFrameStartTime = 0; - - // Restart the audio too - stopAudio(); - if (_audioStreamIndex >= 0) { - _curAudioChunk = 0; - _audStream = Audio::makeQueuingAudioStream(_streams[_audioStreamIndex]->sample_rate, _streams[_audioStreamIndex]->channels == 2); - } - startAudio(); -} - -Graphics::Codec *QTPlayer::createCodec(uint32 codecTag, byte bitsPerPixel) { - if (codecTag == MKID_BE('cvid')) { - // Cinepak: As used by most Myst and all Riven videos as well as some Myst ME videos. "The Chief" videos also use this. - return new CinepakDecoder(); - } else if (codecTag == MKID_BE('rpza')) { - // Apple Video ("Road Pizza"): Used by some Myst videos. - return new RPZADecoder(getWidth(), getHeight()); - } else if (codecTag == MKID_BE('rle ')) { - // QuickTime RLE: Used by some Myst ME videos. - return new QTRLEDecoder(getWidth(), getHeight(), bitsPerPixel); - } else if (codecTag == MKID_BE('smc ')) { - // Apple SMC: Used by some Myst videos. - return new SMCDecoder(getWidth(), getHeight()); - } else if (codecTag == MKID_BE('SVQ1')) { - // Sorenson Video 1: Used by some Myst ME videos. - warning ("Sorenson Video 1 not yet supported"); - } else if (codecTag == MKID_BE('SVQ3')) { - // Sorenson Video 3: Used by some Myst ME videos. - warning ("Sorenson Video 3 not yet supported"); - } else if (codecTag == MKID_BE('jpeg')) { - // Motion JPEG: Used by some Myst ME 10th Anniversary videos. - return new JPEGDecoder(true); - } else if (codecTag == MKID_BE('QkBk')) { - // CDToons: Used by most of the Broderbund games. This is an unknown format so far. - warning ("CDToons not yet supported"); - } else { - warning ("Unsupported codec \'%s\'", tag2str(codecTag)); - } - - return NULL; -} - -void QTPlayer::startAudio() { - if (_audStream) // No audio/audio not supported - g_system->getMixer()->playStream(Audio::Mixer::kPlainSoundType, &_audHandle, _audStream); -} - -void QTPlayer::stopAudio() { - if (_audStream) { - g_system->getMixer()->stopHandle(_audHandle); - _audStream = NULL; // the mixer automatically frees the stream - } -} - -void QTPlayer::pauseVideoIntern(bool pause) { - if (_audStream) - g_system->getMixer()->pauseHandle(_audHandle, pause); -} - -Graphics::Surface *QTPlayer::decodeNextFrame() { - if (!_videoCodec || _curFrame >= (int32)getFrameCount() - 1) - return NULL; - - if (_startTime == 0) - _startTime = g_system->getMillis(); - - _curFrame++; - _nextFrameStartTime += getFrameDuration(); - - Common::SeekableReadStream *frameData = getNextFramePacket(); - - if (frameData) { - Graphics::Surface *frame = _videoCodec->decodeImage(frameData); - delete frameData; - return scaleSurface(frame); - } - - return NULL; -} - -Graphics::Surface *QTPlayer::scaleSurface(Graphics::Surface *frame) { - if (getScaleMode() == kScaleNormal) - return frame; - - assert(_scaledSurface); - - for (uint32 j = 0; j < _scaledSurface->h; j++) - for (uint32 k = 0; k < _scaledSurface->w; k++) - memcpy(_scaledSurface->getBasePtr(k, j), frame->getBasePtr(k * getScaleMode(), j * getScaleMode()), frame->bytesPerPixel); - - return _scaledSurface; -} - -bool QTPlayer::endOfVideo() const { - return (!_audStream || _audStream->endOfData()) && (!_videoCodec || _curFrame >= (int32)getFrameCount() - 1); -} - -bool QTPlayer::needsUpdate() const { - return !endOfVideo() && getTimeToNextFrame() == 0; -} - -uint32 QTPlayer::getElapsedTime() const { - if (_audStream) - return g_system->getMixer()->getSoundElapsedTime(_audHandle); - - return g_system->getMillis() - _startTime; -} - -uint32 QTPlayer::getTimeToNextFrame() const { - if (endOfVideo() || _curFrame < 0) - return 0; - - // Convert from the Sega FILM base to 1000 - uint32 nextFrameStartTime = _nextFrameStartTime * 1000 / _streams[_videoStreamIndex]->time_scale; - uint32 elapsedTime = getElapsedTime(); - - if (nextFrameStartTime <= elapsedTime) - return 0; - - return nextFrameStartTime - elapsedTime; -} - -bool QTPlayer::load(Common::SeekableReadStream &stream) { - _fd = &stream; - _foundMOOV = _foundMDAT = false; - _numStreams = 0; - _partial = 0; - _videoStreamIndex = _audioStreamIndex = -1; - _startTime = 0; - - initParseTable(); - - MOVatom atom = { 0, 0, 0xffffffff }; - - if (readDefault(atom) < 0 || (!_foundMOOV && !_foundMDAT)) - return false; - - debug(0, "on_parse_exit_offset=%d", _fd->pos()); - - // some cleanup : make sure we are on the mdat atom - if((uint32)_fd->pos() != _mdatOffset) - _fd->seek(_mdatOffset, SEEK_SET); - - _next_chunk_offset = _mdatOffset; // initialise reading - - for (uint32 i = 0; i < _numStreams;) { - if (_streams[i]->codec_type == CODEC_TYPE_MOV_OTHER) {// not audio, not video, delete - delete _streams[i]; - for (uint32 j = i + 1; j < _numStreams; j++) - _streams[j - 1] = _streams[j]; - _numStreams--; - } else - i++; - } - - for (uint32 i = 0; i < _numStreams; i++) { - MOVStreamContext *sc = _streams[i]; - - if(!sc->time_rate) - sc->time_rate = 1; - - if(!sc->time_scale) - sc->time_scale = _timeScale; - - //av_set_pts_info(s->streams[i], 64, sc->time_rate, sc->time_scale); - - sc->duration /= sc->time_rate; - - 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; - - startAudio(); - } - - if (_videoStreamIndex >= 0) { - _videoCodec = createCodec(getCodecTag(), getBitsPerPixel()); - - if (getScaleMode() != kScaleNormal) { - // We have to initialize the scaled surface - _scaledSurface = new Graphics::Surface(); - _scaledSurface->create(getWidth(), getHeight(), getPixelFormat().bytesPerPixel); - } - } - - return true; -} - -void QTPlayer::initParseTable() { - static const ParseTable p[] = { - { MKID_BE('dinf'), &QTPlayer::readDefault }, - { MKID_BE('dref'), &QTPlayer::readLeaf }, - { MKID_BE('edts'), &QTPlayer::readDefault }, - { MKID_BE('elst'), &QTPlayer::readELST }, - { MKID_BE('hdlr'), &QTPlayer::readHDLR }, - { MKID_BE('mdat'), &QTPlayer::readMDAT }, - { MKID_BE('mdhd'), &QTPlayer::readMDHD }, - { MKID_BE('mdia'), &QTPlayer::readDefault }, - { MKID_BE('minf'), &QTPlayer::readDefault }, - { MKID_BE('moov'), &QTPlayer::readMOOV }, - { MKID_BE('mvhd'), &QTPlayer::readMVHD }, - { MKID_BE('smhd'), &QTPlayer::readLeaf }, - { MKID_BE('stbl'), &QTPlayer::readDefault }, - { MKID_BE('stco'), &QTPlayer::readSTCO }, - { MKID_BE('stsc'), &QTPlayer::readSTSC }, - { MKID_BE('stsd'), &QTPlayer::readSTSD }, - { MKID_BE('stss'), &QTPlayer::readSTSS }, - { MKID_BE('stsz'), &QTPlayer::readSTSZ }, - { MKID_BE('stts'), &QTPlayer::readSTTS }, - { MKID_BE('tkhd'), &QTPlayer::readTKHD }, - { MKID_BE('trak'), &QTPlayer::readTRAK }, - { MKID_BE('udta'), &QTPlayer::readLeaf }, - { MKID_BE('vmhd'), &QTPlayer::readLeaf }, - { MKID_BE('cmov'), &QTPlayer::readCMOV }, - { MKID_BE('wave'), &QTPlayer::readWAVE }, - { 0, 0 } - }; - - _parseTable = p; -} - -int QTPlayer::readDefault(MOVatom atom) { - uint32 total_size = 0; - MOVatom a; - int err = 0; - - a.offset = atom.offset; - - 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; - - if (a.size < 8) - break; - - a.size -= 8; - - if (_parseTable[i].type == 0) { // skip leaf atoms data - debug(0, ">>> Skipped [%s]", tag2str(a.type)); - - _fd->seek(a.size, SEEK_CUR); - } 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); - } - - a.offset += a.size; - total_size += a.size; - } - - if (!err && total_size < atom.size) - _fd->seek(atom.size - total_size, SEEK_SET); - - return err; -} - -int QTPlayer::readLeaf(MOVatom atom) { - if (atom.size > 1) - _fd->seek(atom.size, SEEK_SET); - - return 0; -} - -int QTPlayer::readMOOV(MOVatom atom) { - if (readDefault(atom) < 0) - return -1; - - // we parsed the 'moov' atom, we can terminate the parsing as soon as we find the 'mdat' - // so we don't parse the whole file if over a network - _foundMOOV = true; - - if(_foundMDAT) - return 1; // found both, just go - - return 0; // now go for mdat -} - -int QTPlayer::readCMOV(MOVatom atom) { -#ifdef USE_ZLIB - // Read in the dcom atom - _fd->readUint32BE(); - if (_fd->readUint32BE() != MKID_BE('dcom')) - return -1; - if (_fd->readUint32BE() != MKID_BE('zlib')) { - 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"); - return -1; -#endif -} - -int QTPlayer::readMVHD(MOVatom atom) { - byte version = _fd->readByte(); // version - _fd->readByte(); _fd->readByte(); _fd->readByte(); // flags - - if (version == 1) { - warning("QuickTime version 1"); - _fd->readUint32BE(); _fd->readUint32BE(); - _fd->readUint32BE(); _fd->readUint32BE(); - } else { - _fd->readUint32BE(); // creation time - _fd->readUint32BE(); // modification time - } - - _timeScale = _fd->readUint32BE(); // time scale - debug(0, "time scale = %i\n", _timeScale); - - // duration - _duration = (version == 1) ? (_fd->readUint32BE(), _fd->readUint32BE()) : _fd->readUint32BE(); - _fd->readUint32BE(); // preferred scale - - _fd->readUint16BE(); // preferred volume - - _fd->seek(10, SEEK_CUR); // reserved - - // We only need two values from the movie display matrix. Most of the values are just - // skipped. xMod and yMod are 16:16 fixed point numbers, the last part of the 3x3 matrix - // is 2:30. - uint32 xMod = _fd->readUint32BE(); - _fd->skip(12); - uint32 yMod = _fd->readUint32BE(); - _fd->skip(16); - - if (xMod != yMod) - error("X and Y resolution modifiers differ"); - - if (xMod == 0x8000) - _scaleMode = kScaleHalf; - else if (xMod == 0x4000) - _scaleMode = kScaleQuarter; - else - _scaleMode = kScaleNormal; - - debug(1, "readMVHD(): scaleMode = %d", (int)_scaleMode); - - _fd->readUint32BE(); // preview time - _fd->readUint32BE(); // preview duration - _fd->readUint32BE(); // poster time - _fd->readUint32BE(); // selection time - _fd->readUint32BE(); // selection duration - _fd->readUint32BE(); // current time - _fd->readUint32BE(); // next track ID - - return 0; -} - -int QTPlayer::readTRAK(MOVatom atom) { - MOVStreamContext *sc = new MOVStreamContext(); - - if (!sc) - return -1; - - sc->sample_to_chunk_index = -1; - sc->codec_type = CODEC_TYPE_MOV_OTHER; - sc->start_time = 0; // XXX: check - _streams[_numStreams++] = sc; - - return readDefault(atom); -} - -// this atom contains actual media data -int QTPlayer::readMDAT(MOVatom atom) { - if (atom.size == 0) // wrong one (MP4) - return 0; - - _foundMDAT = true; - - _mdatOffset = atom.offset; - _mdatSize = atom.size; - - if (_foundMOOV) - return 1; // found both, just go - - _fd->seek(atom.size, SEEK_CUR); - - return 0; // now go for moov -} - -int QTPlayer::readTKHD(MOVatom atom) { - MOVStreamContext *st = _streams[_numStreams - 1]; - byte version = _fd->readByte(); - - _fd->readByte(); _fd->readByte(); - _fd->readByte(); // flags - // - //MOV_TRACK_ENABLED 0x0001 - //MOV_TRACK_IN_MOVIE 0x0002 - //MOV_TRACK_IN_PREVIEW 0x0004 - //MOV_TRACK_IN_POSTER 0x0008 - // - - if (version == 1) { - _fd->readUint32BE(); _fd->readUint32BE(); - _fd->readUint32BE(); _fd->readUint32BE(); - } else { - _fd->readUint32BE(); // creation time - _fd->readUint32BE(); // modification time - } - - /* st->id = */_fd->readUint32BE(); // track id (NOT 0 !) - _fd->readUint32BE(); // reserved - //st->start_time = 0; // check - (version == 1) ? (_fd->readUint32BE(), _fd->readUint32BE()) : _fd->readUint32BE(); // highlevel (considering edits) duration in movie timebase - _fd->readUint32BE(); // reserved - _fd->readUint32BE(); // reserved - - _fd->readUint16BE(); // layer - _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(); - _fd->skip(12); - uint32 yMod = _fd->readUint32BE(); - _fd->skip(16); - - if (xMod != yMod) - error("X and Y resolution modifiers differ"); - - if (xMod == 0x8000) - st->scaleMode = kScaleHalf; - else if (xMod == 0x4000) - st->scaleMode = kScaleQuarter; - else - st->scaleMode = kScaleNormal; - - debug(1, "readTKHD(): scaleMode = %d", (int)_scaleMode); - - // these are fixed-point, 16:16 - // uint32 tkWidth = _fd->readUint32BE() >> 16; // track width - // uint32 tkHeight = _fd->readUint32BE() >> 16; // track height - - return 0; -} - -// edit list atom -int QTPlayer::readELST(MOVatom atom) { - _fd->readByte(); // version - _fd->readByte(); _fd->readByte(); _fd->readByte(); // flags - uint32 editCount = _streams[_numStreams - 1]->edit_count = _fd->readUint32BE(); // entries - - for (uint32 i = 0; i < editCount; i++){ - _fd->readUint32BE(); // Track duration - _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"); - - return 0; -} - -int QTPlayer::readHDLR(MOVatom atom) { - MOVStreamContext *st = _streams[_numStreams - 1]; - - _fd->readByte(); // version - _fd->readByte(); _fd->readByte(); _fd->readByte(); // flags - - // component type - uint32 ctype = _fd->readUint32LE(); - uint32 type = _fd->readUint32BE(); // component subtype - - debug(0, "ctype= %s (0x%08lx)", tag2str(ctype), (long)ctype); - debug(0, "stype= %s", tag2str(type)); - - if(ctype == MKID_BE('mhlr')) // MOV - debug(0, "MOV detected"); - else if(ctype == 0) { - warning("MP4 streams are not supported"); - return -1; - } - - if (type == MKID_BE('vide')) - st->codec_type = CODEC_TYPE_VIDEO; - else if (type == MKID_BE('soun')) - st->codec_type = CODEC_TYPE_AUDIO; - - _fd->readUint32BE(); // component manufacture - _fd->readUint32BE(); // component flags - _fd->readUint32BE(); // component flags mask - - if (atom.size <= 24) - return 0; // nothing left to read - - // .mov: PASCAL string - byte len = _fd->readByte(); - _fd->seek(len, SEEK_CUR); - - _fd->seek(atom.size - (_fd->pos() - atom.offset), SEEK_CUR); - - return 0; -} - -int QTPlayer::readMDHD(MOVatom atom) { - MOVStreamContext *st = _streams[_numStreams - 1]; - byte version = _fd->readByte(); - - if (version > 1) - return 1; // unsupported - - _fd->readByte(); _fd->readByte(); - _fd->readByte(); // flags - - if (version == 1) { - _fd->readUint32BE(); _fd->readUint32BE(); - _fd->readUint32BE(); _fd->readUint32BE(); - } else { - _fd->readUint32BE(); // creation time - _fd->readUint32BE(); // modification time - } - - st->time_scale = _fd->readUint32BE(); - st->duration = (version == 1) ? (_fd->readUint32BE(), _fd->readUint32BE()) : _fd->readUint32BE(); // duration - - _fd->readUint16BE(); // language - _fd->readUint16BE(); // quality - - return 0; -} - -int QTPlayer::readSTSD(MOVatom atom) { - MOVStreamContext *st = _streams[_numStreams - 1]; - - _fd->readByte(); // version - _fd->readByte(); _fd->readByte(); _fd->readByte(); // flags - - uint32 entries = _fd->readUint32BE(); - - while (entries--) { //Parsing Sample description table - MOVatom a = { 0, 0, 0 }; - uint32 start_pos = _fd->pos(); - int size = _fd->readUint32BE(); // size - uint32 format = _fd->readUint32BE(); // data format - - _fd->readUint32BE(); // reserved - _fd->readUint16BE(); // reserved - _fd->readUint16BE(); // index - - debug(0, "size=%d 4CC= %s codec_type=%d", size, tag2str(format), st->codec_type); - st->codec_tag = format; - - 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 - _fd->readUint32BE(); // temporal quality - _fd->readUint32BE(); // spacial quality - - st->width = _fd->readUint16BE(); // width - st->height = _fd->readUint16BE(); // height - - _fd->readUint32BE(); // horiz resolution - _fd->readUint32BE(); // vert resolution - _fd->readUint32BE(); // data size, always 0 - uint16 frames_per_sample = _fd->readUint16BE(); // frames per samples - - debug(0, "frames/samples = %d", frames_per_sample); - - byte codec_name[32]; - _fd->read(codec_name, 32); // codec name, pascal string (FIXME: true for mp4?) - if (codec_name[0] <= 31) { - memcpy(st->codec_name, &codec_name[1], codec_name[0]); - st->codec_name[codec_name[0]] = 0; - } - - st->bits_per_sample = _fd->readUint16BE(); // depth - st->color_table_id = _fd->readUint16BE(); // colortable id - -// These are set in mov_read_stts and might already be set! -// st->codec->time_base.den = 25; -// st->codec->time_base.num = 1; - - - // figure out the palette situation - byte colorDepth = st->bits_per_sample & 0x1F; - bool colorGreyscale = (st->bits_per_sample & 0x20) != 0; - - debug(0, "color depth: %d", colorDepth); - - // if the depth is 2, 4, or 8 bpp, file is palettized - if (colorDepth == 2 || colorDepth == 4 || colorDepth == 8) { - _dirtyPalette = true; - - if (colorGreyscale) { - debug(0, "Greyscale palette"); - - // compute the greyscale palette - uint16 colorCount = 1 << colorDepth; - int16 colorIndex = 255; - byte colorDec = 256 / (colorCount - 1); - for (byte j = 0; j < colorCount; j++) { - _palette[j * 3] = _palette[j * 3 + 1] = _palette[j * 3 + 2] = colorIndex; - colorIndex -= colorDec; - if (colorIndex < 0) - colorIndex = 0; - } - } else if (st->color_table_id & 0x08) { - // if flag bit 3 is set, use the default palette - //uint16 colorCount = 1 << colorDepth; - - warning("Predefined palette! %dbpp", colorDepth); -#if 0 - byte *color_table; - byte r, g, b; - - if (colorDepth == 2) - color_table = ff_qt_default_palette_4; - else if (colorDepth == 4) - color_table = ff_qt_default_palette_16; - else - color_table = ff_qt_default_palette_256; - - for (byte j = 0; j < color_count; j++) { - r = color_table[j * 4 + 0]; - g = color_table[j * 4 + 1]; - b = color_table[j * 4 + 2]; - _palette_control.palette[j] = (r << 16) | (g << 8) | (b); - } -#endif - - } else { - debug(0, "Palette from file"); - - // load the palette from the file - uint32 colorStart = _fd->readUint32BE(); - /* uint16 colorCount = */ _fd->readUint16BE(); - uint16 colorEnd = _fd->readUint16BE(); - for (uint32 j = colorStart; j <= colorEnd; j++) { - // each R, G, or B component is 16 bits; - // only use the top 8 bits; skip alpha bytes - // up front - _fd->readByte(); - _fd->readByte(); - _palette[j * 3] = _fd->readByte(); - _fd->readByte(); - _palette[j * 3 + 1] = _fd->readByte(); - _fd->readByte(); - _palette[j * 3 + 2] = _fd->readByte(); - _fd->readByte(); - } - } - st->palettized = true; - } else - 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 - - st->channels = _fd->readUint16BE(); // channel count - st->bits_per_sample = _fd->readUint16BE(); // sample size - // do we need to force to 16 for AMR ? - - // handle specific s8 codec - _fd->readUint16BE(); // compression id = 0 - _fd->readUint16BE(); // packet size = 0 - - st->sample_rate = (_fd->readUint32BE() >> 16); - - debug(0, "stsd version =%d", st->stsd_version); - if (st->stsd_version == 0) { - // Not used, except in special cases. See below. - st->samples_per_frame = st->bytes_per_frame = 0; - } else if (st->stsd_version == 1) { - // Read QT version 1 fields. In version 0 these dont exist. - st->samples_per_frame = _fd->readUint32BE(); - debug(0, "stsd samples_per_frame =%d", st->samples_per_frame); - _fd->readUint32BE(); // bytes per packet - st->bytes_per_frame = _fd->readUint32BE(); - debug(0, "stsd bytes_per_frame =%d", st->bytes_per_frame); - _fd->readUint32BE(); // bytes per sample - } else { - 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')) { - st->samples_per_frame = 64; - st->bytes_per_frame = 34 * st->channels; - } - } else { - // 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) - readDefault(a); - else if (a.size > 0) - _fd->seek(a.size, SEEK_CUR); - } - - if (st->codec_type == CODEC_TYPE_AUDIO && st->sample_rate == 0 && st->time_scale > 1) - st->sample_rate= st->time_scale; - - return 0; -} - -int QTPlayer::readSTSC(MOVatom atom) { - MOVStreamContext *st = _streams[_numStreams - 1]; - - _fd->readByte(); // version - _fd->readByte(); _fd->readByte(); _fd->readByte(); // flags - - st->sample_to_chunk_sz = _fd->readUint32BE(); - - debug(0, "track[%i].stsc.entries = %i", _numStreams - 1, st->sample_to_chunk_sz); - - st->sample_to_chunk = new MOVstsc[st->sample_to_chunk_sz]; - - if (!st->sample_to_chunk) - return -1; - - for (uint32 i = 0; i < st->sample_to_chunk_sz; i++) { - st->sample_to_chunk[i].first = _fd->readUint32BE(); - st->sample_to_chunk[i].count = _fd->readUint32BE(); - 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; -} - -int QTPlayer::readSTSS(MOVatom atom) { - MOVStreamContext *st = _streams[_numStreams - 1]; - - _fd->readByte(); // version - _fd->readByte(); _fd->readByte(); _fd->readByte(); // flags - - st->keyframe_count = _fd->readUint32BE(); - - debug(0, "keyframe_count = %d", st->keyframe_count); - - st->keyframes = new uint32[st->keyframe_count]; - - if (!st->keyframes) - return -1; - - for (uint32 i = 0; i < st->keyframe_count; i++) { - st->keyframes[i] = _fd->readUint32BE(); - debug(6, "keyframes[%d] = %d", i, st->keyframes[i]); - - } - return 0; -} - -int QTPlayer::readSTSZ(MOVatom atom) { - MOVStreamContext *st = _streams[_numStreams - 1]; - - _fd->readByte(); // version - _fd->readByte(); _fd->readByte(); _fd->readByte(); // flags - - st->sample_size = _fd->readUint32BE(); - st->sample_count = _fd->readUint32BE(); - - debug(5, "sample_size = %d sample_count = %d", st->sample_size, st->sample_count); - - if (st->sample_size) - return 0; // there isn't any table following - - st->sample_sizes = new uint32[st->sample_count]; - - if (!st->sample_sizes) - return -1; - - for(uint32 i = 0; i < st->sample_count; i++) { - st->sample_sizes[i] = _fd->readUint32BE(); - debug(6, "sample_sizes[%d] = %d", i, st->sample_sizes[i]); - } - - return 0; -} - -static uint32 ff_gcd(uint32 a, uint32 b) { - if(b) return ff_gcd(b, a%b); - else return a; -} - -int QTPlayer::readSTTS(MOVatom atom) { - MOVStreamContext *st = _streams[_numStreams - 1]; - uint32 duration = 0; - uint32 total_sample_count = 0; - - _fd->readByte(); // version - _fd->readByte(); _fd->readByte(); _fd->readByte(); // flags - - st->stts_count = _fd->readUint32BE(); - st->stts_data = new MOVstts[st->stts_count]; - - debug(0, "track[%i].stts.entries = %i", _numStreams - 1, st->stts_count); - - st->time_rate = 0; - - for (int32 i = 0; i < st->stts_count; i++) { - int sample_duration; - int sample_count; - - sample_count = _fd->readUint32BE(); - sample_duration = _fd->readUint32BE(); - st->stts_data[i].count = sample_count; - st->stts_data[i].duration = sample_duration; - - st->time_rate = ff_gcd(st->time_rate, sample_duration); - - debug(0, "sample_count=%d, sample_duration=%d", sample_count, sample_duration); - - duration += sample_duration * sample_count; - total_sample_count += sample_count; - } - - st->nb_frames = total_sample_count; - - if (duration) - st->duration = duration; - - return 0; -} - -int QTPlayer::readSTCO(MOVatom atom) { - MOVStreamContext *st = _streams[_numStreams - 1]; - - _fd->readByte(); // version - _fd->readByte(); _fd->readByte(); _fd->readByte(); // flags - - st->chunk_count = _fd->readUint32BE(); - st->chunk_offsets = new uint32[st->chunk_count]; - - if (!st->chunk_offsets) - return -1; - - for (uint32 i = 0; i < st->chunk_count; i++) { - // WORKAROUND/HACK: The offsets in Riven videos (ones inside the Mohawk archives themselves) - // have offsets relative to the archive and not the video. This is quite nasty. We subtract - // the initial offset of the stream to get the correct value inside of the stream. - st->chunk_offsets[i] = _fd->readUint32BE() - _beginOffset; - } - - for (uint32 i = 0; i < _numStreams; i++) { - MOVStreamContext *sc2 = _streams[i]; - - if(sc2 && sc2->chunk_offsets){ - uint32 first = sc2->chunk_offsets[0]; - uint32 last = sc2->chunk_offsets[sc2->chunk_count - 1]; - - if(first >= st->chunk_offsets[st->chunk_count - 1] || last <= st->chunk_offsets[0]) - _ni = 1; - } - } - - return 0; -} - -int QTPlayer::readWAVE(MOVatom atom) { - if (_numStreams < 1) - return 0; - - MOVStreamContext *st = _streams[_numStreams - 1]; - - if (atom.size > (1 << 30)) - return -1; - - if (st->codec_tag == MKID_BE('QDM2')) // Read extradata for QDM2 - st->extradata = _fd->readStream(atom.size - 8); - else if (atom.size > 8) - return readDefault(atom); - else - _fd->skip(atom.size); - - return 0; -} - -void QTPlayer::close() { - stopAudio(); - - delete _videoCodec; _videoCodec = 0; - - for (uint32 i = 0; i < _numStreams; i++) - delete _streams[i]; - - delete _fd; - - if (_scaledSurface) { - _scaledSurface->free(); - delete _scaledSurface; - _scaledSurface = 0; - } - - // The audio stream is deleted automatically - _audStream = NULL; - - Graphics::VideoDecoder::reset(); -} - -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]); - - // Then, if the chunk holds more than one frame, seek to where the frame we want is located - for (int32 i = getCurFrame() - sampleInChunk; i < getCurFrame(); i++) { - if (_streams[_videoStreamIndex]->sample_size != 0) - _fd->skip(_streams[_videoStreamIndex]->sample_size); - else - _fd->skip(_streams[_videoStreamIndex]->sample_sizes[i]); - } - - // 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()]); -} - -bool QTPlayer::checkAudioCodecSupport(uint32 tag) { - // Check if the codec is a supported codec - if (tag == MKID_BE('twos') || tag == MKID_BE('raw ') || tag == MKID_BE('ima4') || tag == MKID_BE('QDM2')) - return true; - - warning("Audio Codec Not Supported: \'%s\'", tag2str(tag)); - - return false; -} - -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; - if (_streams[_audioStreamIndex]->codec_tag == MKID_BE('raw ')) - flags |= Audio::FLAG_UNSIGNED; - if (_streams[_audioStreamIndex]->channels == 2) - flags |= Audio::FLAG_STEREO; - if (_streams[_audioStreamIndex]->bits_per_sample == 16) - flags |= Audio::FLAG_16BITS; - uint32 dataSize = stream->size(); - byte *data = (byte *)malloc(dataSize); - stream->read(data, dataSize); - delete stream; - return Audio::makeRawStream(data, dataSize, _streams[_audioStreamIndex]->sample_rate, flags); - } else if (_streams[_audioStreamIndex]->codec_tag == MKID_BE('ima4')) { - // Riven uses this codec (as do some Myst ME videos) - return Audio::makeADPCMStream(stream, DisposeAfterUse::YES, stream->size(), Audio::kADPCMApple, _streams[_audioStreamIndex]->sample_rate, _streams[_audioStreamIndex]->channels, 34); - } else if (_streams[_audioStreamIndex]->codec_tag == MKID_BE('QDM2')) { - // Several Myst ME videos use this codec - return new QDM2Stream(stream, _streams[_audioStreamIndex]->extradata); - } - - error("Unsupported audio codec"); - - return NULL; -} - -void QTPlayer::updateAudioBuffer() { - if (!_audStream) - return; - - // 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; - } else if (_streams[_audioStreamIndex]->samples_per_frame > 1) { - samples = MIN<uint32>((1024 / _streams[_audioStreamIndex]->samples_per_frame) * _streams[_audioStreamIndex]->samples_per_frame, sampleCount); - size = (samples / _streams[_audioStreamIndex]->samples_per_frame) * _streams[_audioStreamIndex]->bytes_per_frame; - } else { - 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); - wStream->write(data, size); - free(data); - sampleCount -= samples; - } - - // Now queue the buffer - _audStream->queueAudioStream(createAudioStream(new Common::MemoryReadStream(wStream->getData(), wStream->size(), DisposeAfterUse::YES))); - delete wStream; - } -} - -} // End of namespace Mohawk |