public static extern int WebPDemuxGetChunk([NativeTypeName("const WebPDemuxer *")] WebPDemuxer *dmux, [NativeTypeName("const char [4]")] sbyte *fourcc, int chunk_number, WebPChunkIterator *iter);
public static extern int WebPDemuxGetFrame([NativeTypeName("const WebPDemuxer *")] WebPDemuxer *dmux, int frame_number, WebPIterator *iter);
public static extern void WebPDemuxDelete(WebPDemuxer *dmux);
public static extern uint WebPDemuxGetI([NativeTypeName("const WebPDemuxer *")] WebPDemuxer *dmux, WebPFormatFeature feature);
private unsafe List <(Texture2D, int)> LoadAnimation2(string loadPath) { List <ValueTuple <Texture2D, int> > ret = new List <ValueTuple <Texture2D, int> >(); TextAsset textasset = Resources.Load <TextAsset>(loadPath); byte[] bytes = textasset.bytes; WebPDecoderConfig config = new WebPDecoderConfig(); if (NativeLibwebp.WebPInitDecoderConfig(&config) == 0) { throw new Exception("WebPInitDecoderConfig failed. Wrong version?"); } WebPIterator iter = new WebPIterator(); fixed(byte *p = bytes) { WebPData webpdata = new WebPData { bytes = p, size = new UIntPtr((uint)bytes.Length) }; WebPDemuxer *webPDemuxer = NativeLibwebpdemux.WebPDemuxInternal(&webpdata, 0, (WebPDemuxState *)IntPtr.Zero, NativeLibwebpdemux.WEBP_DEMUX_ABI_VERSION); VP8StatusCode result = NativeLibwebp.WebPGetFeatures(webpdata.bytes, webpdata.size, &config.input); if (result != VP8StatusCode.VP8_STATUS_OK) { throw new Exception(string.Format("Failed WebPGetFeatures with error {0}.", result.ToString())); } int height = config.input.height; int width = config.input.height; config.options.bypass_filtering = 0; config.options.use_threads = 1; config.options.no_fancy_upsampling = 0; config.options.use_cropping = 0; config.options.use_scaling = 1; config.options.scaled_width = width; config.options.scaled_height = height; config.options.flip = 1; config.options.dithering_strength = 0; config.output.colorspace = WEBP_CSP_MODE.MODE_RGBA; config.output.width = width; config.output.height = height; //byte[] bbb = new byte[width * height]; //fixed (byte* ppp = bbb) //{ // config.output.u.RGBA.rgba = (IntPtr)ppp; //} //config.output.u.RGBA.stride = width * 4; //config.output.u.RGBA.size = (UIntPtr)(width * height); //config.output.is_external_memory = 1; //config.output.is_external_memory = 1; int success = NativeLibwebpdemux.WebPDemuxGetFrame(webPDemuxer, 1, &iter); if (success != 1) { return(ret); } int timestamp = 0; int size = width * height * 4; do { WebPData frame = iter.fragment; VP8StatusCode status = NativeLibwebp.WebPDecode(frame.bytes, frame.size, &config); if (status != VP8StatusCode.VP8_STATUS_OK) { Debug.LogError(status); break; } Texture2D texture = Texture2DExt.CreateWebpTexture2D(width, height, isUseMipmap: false, isLinear: false); texture.LoadRawTextureData((IntPtr)config.output.u.RGBA.rgba, size); texture.Apply(updateMipmaps: false, makeNoLongerReadable: true); timestamp += iter.duration; ret.Add((texture, timestamp)); }while (NativeLibwebpdemux.WebPDemuxNextFrame(&iter) == 1); NativeLibwebpdemux.WebPDemuxDelete(webPDemuxer); NativeLibwebpdemux.WebPDemuxReleaseIterator(&iter); } return(ret); }