void SeekableBinkDecoder::skipNextFrame() {
if (endOfVideo())
return;
VideoFrame &frame = _frames[_curFrame + 1];
if (!_bink->seek(frame.offset))
error("Bad bink seek");
uint32 frameSize = frame.size;
for (uint32 i = 0; i < _audioTracks.size(); i++) {
uint32 audioPacketLength = _bink->readUint32LE();
frameSize -= 4;
if (frameSize < audioPacketLength)
error("Audio packet too big for the frame");
if (audioPacketLength >= 4) {
// Skip audio data
_bink->seek(audioPacketLength, SEEK_CUR);
frameSize -= audioPacketLength;
}
}
uint32 videoPacketStart = _bink->pos();
uint32 videoPacketEnd = _bink->pos() + frameSize;
frame.bits =
new Common::BitStream32LELSB(new Common::SeekableSubReadStream(_bink,
videoPacketStart, videoPacketEnd), true);
videoPacket(frame);
delete frame.bits;
frame.bits = 0;
_curFrame++;
if (_curFrame == 0)
_startTime = g_system->getMillis();
}
const Graphics::Surface *BinkDecoder::decodeNextFrame() {
if (endOfVideo())
return 0;
VideoFrame &frame = _frames[_curFrame + 1];
if (!_bink->seek(frame.offset))
error("Bad bink seek");
uint32 frameSize = frame.size;
for (uint32 i = 0; i < _audioTracks.size(); i++) {
AudioTrack &audio = _audioTracks[i];
uint32 audioPacketLength = _bink->readUint32LE();
frameSize -= 4;
if (frameSize < audioPacketLength)
error("Audio packet too big for the frame");
if (audioPacketLength >= 4) {
uint32 audioPacketStart = _bink->pos();
uint32 audioPacketEnd = _bink->pos() + audioPacketLength;
if (i == _audioTrack) {
// Only play one audio track
// Number of samples in bytes
audio.sampleCount = _bink->readUint32LE() / (2 * audio.channels);
audio.bits =
new Common::BitStream32LELSB(new Common::SeekableSubReadStream(_bink,
audioPacketStart + 4, audioPacketEnd), true);
audioPacket(audio);
delete audio.bits;
audio.bits = 0;
}
_bink->seek(audioPacketEnd);
frameSize -= audioPacketLength;
}
}
uint32 videoPacketStart = _bink->pos();
uint32 videoPacketEnd = _bink->pos() + frameSize;
frame.bits =
new Common::BitStream32LELSB(new Common::SeekableSubReadStream(_bink,
videoPacketStart, videoPacketEnd), true);
videoPacket(frame);
delete frame.bits;
frame.bits = 0;
_curFrame++;
if (_curFrame == 0)
_startTime = g_system->getMillis();
return &_surface;
}
void Bink::processData() {
if (getTimeToNextFrame() > 0)
return;
if (_curFrame >= _frames.size()) {
finish();
return;
}
VideoFrame &frame = _frames[_curFrame];
if (!_bink->seek(frame.offset))
throw Common::Exception(Common::kSeekError);
uint32 frameSize = frame.size;
for (uint32 i = 0; i < _audioTracks.size(); i++) {
AudioTrack &audio = _audioTracks[i];
uint32 audioPacketLength = _bink->readUint32LE();
frameSize -= 4;
if (frameSize < audioPacketLength)
throw Common::Exception("Audio packet too big for the frame");
if (audioPacketLength >= 4) {
uint32 audioPacketStart = _bink->pos();
uint32 audioPacketEnd = _bink->pos() + audioPacketLength;
if (i == _audioTrack) {
// Only play one audio track
// Number of samples in bytes
audio.sampleCount = _bink->readUint32LE() / (2 * audio.channels);
audio.bits =
new Common::BitStream32LELSB(new Common::SeekableSubReadStream(_bink,
audioPacketStart + 4, audioPacketEnd), true);
audioPacket(audio);
delete audio.bits;
audio.bits = 0;
}
_bink->seek(audioPacketEnd);
frameSize -= audioPacketLength;
}
}
uint32 videoPacketStart = _bink->pos();
uint32 videoPacketEnd = _bink->pos() + frameSize;
frame.bits =
new Common::BitStream32LELSB(new Common::SeekableSubReadStream(_bink,
videoPacketStart, videoPacketEnd), true);
videoPacket(frame);
delete frame.bits;
frame.bits = 0;
_needCopy = true;
_curFrame++;
}
const Graphics::Surface *BinkDecoder::decodeNextFrame() {
if (endOfVideo())
return 0;
VideoFrame &frame = _frames[_curFrame + 1];
if (!_bink->seek(frame.offset))
error("Bad bink seek");
uint32 frameSize = frame.size;
for (uint32 i = 0; i < _audioTracks.size(); i++) {
AudioTrack &audio = _audioTracks[i];
uint32 audioPacketLength = _bink->readUint32LE();
frameSize -= 4;
if (frameSize < audioPacketLength)
error("Audio packet too big for the frame");
if (audioPacketLength >= 4) {
if (i == _audioTrack) {
// Only play one audio track
// Number of samples in bytes
audio.sampleCount = _bink->readUint32LE() / (2 * audio.channels);
audio.bits = new Common::BitStream32LE(*_bink, (audioPacketLength - 4) * 8);
audioPacket(audio);
delete audio.bits;
audio.bits = 0;
} else
// Skip the rest
_bink->skip(audioPacketLength);
frameSize -= audioPacketLength;
}
}
frame.bits = new Common::BitStream32LE(*_bink, frameSize * 8);
videoPacket(frame);
delete frame.bits;
frame.bits = 0;
_curFrame++;
if (_curFrame == 0)
_startTime = g_system->getMillis();
if (!_audioStarted && _audioStream) {
_audioStarted = true;
g_system->getMixer()->playStream(Audio::Mixer::kPlainSoundType, &_audioHandle, _audioStream);
}
return &_surface;
}
AkPacket ConvertVideo::convert(const AkPacket &packet)
{
AkVideoPacket videoPacket(packet);
// Convert input format.
QString format = AkVideoCaps::pixelFormatToString(videoPacket.caps().format());
AVPixelFormat iFormat = av_get_pix_fmt(format.toStdString().c_str());
// Initialize rescaling context.
this->m_scaleContext = sws_getCachedContext(this->m_scaleContext,
videoPacket.caps().width(),
videoPacket.caps().height(),
iFormat,
videoPacket.caps().width(),
videoPacket.caps().height(),
AV_PIX_FMT_BGRA,
SWS_FAST_BILINEAR,
NULL,
NULL,
NULL);
if (!this->m_scaleContext)
return AkPacket();
// Create iPicture.
AVFrame iFrame;
memset(&iFrame, 0, sizeof(AVFrame));
if (av_image_fill_arrays((uint8_t **) iFrame.data,
iFrame.linesize,
(const uint8_t *) videoPacket.buffer().constData(),
iFormat,
videoPacket.caps().width(),
videoPacket.caps().height(),
1) < 0)
return AkPacket();
// Create oPicture
int frameSize = av_image_get_buffer_size(AV_PIX_FMT_BGRA,
videoPacket.caps().width(),
videoPacket.caps().height(),
1);
QByteArray oBuffer(frameSize, Qt::Uninitialized);
AVFrame oFrame;
memset(&oFrame, 0, sizeof(AVFrame));
if (av_image_fill_arrays((uint8_t **) oFrame.data,
oFrame.linesize,
(const uint8_t *) oBuffer.constData(),
AV_PIX_FMT_BGRA,
videoPacket.caps().width(),
videoPacket.caps().height(),
1) < 0)
return AkPacket();
// Convert picture format
sws_scale(this->m_scaleContext,
iFrame.data,
iFrame.linesize,
0,
videoPacket.caps().height(),
oFrame.data,
oFrame.linesize);
// Create packet
AkVideoPacket oPacket(packet);
oPacket.caps().format() = AkVideoCaps::Format_bgra;
oPacket.buffer() = oBuffer;
return oPacket.toPacket();
}
