/// <summary>
/// Loads movie with audio. It will be ready for playback
/// </summary>
/// <param name="source">Source</param>
/// <param name="targetFramebuffer">Target framebuffer</param>
/// <param name="targetAudioBuffer">Target audio buffer</param>
/// <param name="loadOptions">Load options</param>
public static Movie Load(MovieSource source, out Texture2D targetFramebuffer, out AudioClip targetAudioBuffer, LoadOptions loadOptions = null)
{
if (loadOptions == null)
loadOptions = LoadOptions.Default;
if (source.stream == null && source.url == null) {
throw new MpException ("Either source.stream or source.url must be provided");
}
targetFramebuffer = null;
targetAudioBuffer = null;
var movie = new Movie ();
movie.sourceStream = source.stream; // can be NULL
// create and initialize demux for the source data
if (source.url != null) {
movie.demux = loadOptions.demuxOverride != null ? loadOptions.demuxOverride : Streamer.forUrl (source.url);
((Streamer)movie.demux).Connect (source.url, loadOptions);
} else {
movie.demux = loadOptions.demuxOverride != null ? loadOptions.demuxOverride : Demux.forSource (source.stream);
movie.demux.Init (source.stream, loadOptions);
}
if (movie.demux.hasVideo && !loadOptions.skipVideo) {
var vsi = movie.demux.videoStreamInfo;
movie.videoDecoder = VideoDecoder.CreateFor (vsi);
movie.videoDecoder.Init (out targetFramebuffer, movie.demux, loadOptions);
if(loadOptions.preloadVideo) {
movie.frameUV = UnpackFramesToAtlas(movie.videoDecoder, ref targetFramebuffer, vsi.frameCount);
} else {
movie.frameUV = new Rect[1] { new Rect(0, 0, 1, 1) };
}
}
if (movie.demux.hasAudio && !loadOptions.skipAudio) {
movie.audioDecoder = AudioDecoder.CreateFor (movie.demux.audioStreamInfo);
movie.audioDecoder.Init (out targetAudioBuffer, movie.demux, loadOptions);
}
return movie;
}
public abstract void Init(out AudioClip audioClip, Demux demux, LoadOptions loadOptions = null);
public static Movie Load(Stream srcStream, out Texture2D targetFramebuffer, out AudioClip targetAudioBuffer, LoadOptions loadOptions = null)
{
return Load (new MovieSource () { stream = srcStream }, out targetFramebuffer, out targetAudioBuffer, loadOptions);
}
public static Movie Load(string srcUrl, out Texture2D targetFramebuffer, out AudioClip targetAudioBuffer, LoadOptions loadOptions = null)
{
return Load (new MovieSource () { url = srcUrl }, out targetFramebuffer, out targetAudioBuffer, loadOptions);
}
public abstract void Init(out Texture2D framebuffer, Demux demux, LoadOptions loadOptions = null);
public override void Init(Stream sourceStream, LoadOptions loadOptions = null)
{
// skip the video if asked not to load it
if (loadOptions != null && loadOptions.skipVideo)
return;
// check the arguments
if (sourceStream == null) {
throw new System.ArgumentException ("sourceStream is required");
}
// measure load time
var watch = new System.Diagnostics.Stopwatch ();
watch.Start ();
reader = new AtomicBinaryReader (sourceStream);
// for detecting the buffer size
int maxRawJpgSize = 0;
// the stream can't be seeked unless there is an index. create it
frameStartIndex.Clear ();
frameSize.Clear ();
long markerCount = 0;
long startIndex = -1;
bool markerStart = false;
int bytesRead = -1;
long i = 0;
var buffer = new byte[FILE_READ_BUFFER_SIZE];
// read the file in chunks (more than 30x faster than reading by byte)
long p = 0;
do {
bytesRead = reader.Read (ref p, buffer, 0, FILE_READ_BUFFER_SIZE);
for (int j = 0; j < bytesRead; j++) {
byte b = buffer [j];
// wait for marker start
if (b == 0xFF) {
markerStart = true;
} else if (markerStart) {
// read the other marker byte and decide what to do
switch (b) {
case 0xD8: // Start of image
startIndex = i + j - 1;
break;
case 0xD9: // End of image
frameStartIndex.Add (startIndex);
int size = (int)(i + j - startIndex + 1);
if (size > maxRawJpgSize)
maxRawJpgSize = size;
frameSize.Add (size);
//Debug.Log("Found frame OFFS: " + startIndex + " SIZE: " + size);
break;
}
markerStart = false;
markerCount++;
}
}
i += bytesRead;
} while(bytesRead >= FILE_READ_BUFFER_SIZE);
// create a buffer for holding raw jpg data when decoding a frame
rawJpgBuffer = new byte[maxRawJpgSize];
watch.Stop ();
#if MP_DEBUG
Debug.Log("Recreated index for raw MJPEG stream in " + (watch.Elapsed.TotalMilliseconds * 0.001f) + " seconds." +
"Frames: " + frameStartIndex.Count + ". Max jpg size: " + maxRawJpgSize + ". Markers: " + markerCount);
#endif
// set all the info about the video stream we know
if (loadOptions != null && loadOptions.videoStreamInfo != null) {
videoStreamInfo = loadOptions.videoStreamInfo;
} else {
videoStreamInfo = new VideoStreamInfo ();
videoStreamInfo.codecFourCC = VideoDecoderMJPEG.FOURCC_MJPG;
}
videoStreamInfo.frameCount = frameSize.Count;
videoStreamInfo.lengthBytes = reader.StreamLength;
}
public abstract void Init(out AudioClip audioClip, Demux demux, LoadOptions loadOptions = null);
public abstract void Init(out Texture2D framebuffer, Demux demux, LoadOptions loadOptions = null);
/// <summary>
/// Loads movie with audio. It will be ready for playback
/// </summary>
/// <param name="source">Source</param>
/// <param name="targetFramebuffer">Target framebuffer</param>
/// <param name="targetAudioBuffer">Target audio buffer</param>
/// <param name="loadOptions">Load options</param>
public static Movie Load(MovieSource source, out Texture2D targetFramebuffer, out AudioClip targetAudioBuffer, LoadOptions loadOptions = null)
{
if (loadOptions == null)
{
loadOptions = LoadOptions.Default;
}
if (source.stream == null && source.url == null)
{
throw new MpException("Either source.stream or source.url must be provided");
}
targetFramebuffer = null;
targetAudioBuffer = null;
var movie = new Movie();
movie.sourceStream = source.stream; // can be NULL
// create and initialize demux for the source data
if (source.url != null)
{
movie.demux = loadOptions.demuxOverride != null ? loadOptions.demuxOverride : Streamer.forUrl(source.url);
((Streamer)movie.demux).Connect(source.url, loadOptions);
}
else
{
movie.demux = loadOptions.demuxOverride != null ? loadOptions.demuxOverride : Demux.forSource(source.stream);
movie.demux.Init(source.stream, loadOptions);
}
if (movie.demux.hasVideo && !loadOptions.skipVideo)
{
movie.videoDecoder = VideoDecoder.CreateFor(movie.demux.videoStreamInfo);
movie.videoDecoder.Init(out targetFramebuffer, movie.demux, loadOptions);
}
if (movie.demux.hasAudio && !loadOptions.skipAudio)
{
movie.audioDecoder = AudioDecoder.CreateFor(movie.demux.audioStreamInfo);
movie.audioDecoder.Init(out targetAudioBuffer, movie.demux, loadOptions);
}
return(movie);
}
public abstract void Init(Stream sourceStream, LoadOptions loadOptions = null);
public static Movie Load(string srcUrl, out Texture2D targetFramebuffer, out AudioClip targetAudioBuffer, LoadOptions loadOptions = null)
{
return(Load(new MovieSource()
{
url = srcUrl
}, out targetFramebuffer, out targetAudioBuffer, loadOptions));
}
public static Movie Load(Stream srcStream, out Texture2D targetFramebuffer, out AudioClip targetAudioBuffer, LoadOptions loadOptions = null)
{
return(Load(new MovieSource()
{
stream = srcStream
}, out targetFramebuffer, out targetAudioBuffer, loadOptions));
}
public override void Init(Stream stream, LoadOptions loadOptions = null)
{
throw new MpException("Streamer requires you to call Connect() instead of Init()");
}
public abstract void Connect(string url, LoadOptions loadOptions = null);
public abstract void Init(Stream sourceStream, LoadOptions loadOptions = null);
