unsafe List <(Texture2D, int)> LoadAnimation(string loadPath)
{
List <ValueTuple <Texture2D, int> > ret = new List <ValueTuple <Texture2D, int> >();
TextAsset textasset = Resources.Load <TextAsset>(loadPath);
byte[] bytes = textasset.bytes;
WebPAnimDecoderOptions option = new WebPAnimDecoderOptions
{
use_threads = 1,
color_mode = WEBP_CSP_MODE.MODE_RGBA
};
Demux.WebPAnimDecoderOptionsInit(ref option);
fixed(byte *p = bytes)
{
IntPtr ptr = (IntPtr)p;
WebPData webpdata = new WebPData
{
bytes = ptr,
size = new UIntPtr((uint)bytes.Length)
};
IntPtr dec = Demux.WebPAnimDecoderNew(ref webpdata, ref option);
WebPAnimInfo anim_info = new WebPAnimInfo();
Demux.WebPAnimDecoderGetInfo(dec, ref anim_info);
Debug.LogWarning($"{anim_info.frame_count} {anim_info.canvas_width}/{anim_info.canvas_height}");
int size = anim_info.canvas_width * 4 * anim_info.canvas_height;
WebPAnimDecoder decoder = (WebPAnimDecoder)Marshal.PtrToStructure(dec, typeof(WebPAnimDecoder));
decoder.config_.options.flip = 1;
decoder.config_.options.no_fancy_upsampling = 1;
Marshal.StructureToPtr(decoder, dec, true);
IntPtr unmanagedPointer = new IntPtr();
int timestamp = 0;
for (int i = 0; i < anim_info.frame_count; ++i)
{
int result = Demux.WebPAnimDecoderGetNext(dec, ref unmanagedPointer, ref timestamp);
if (result != 1)
{
Debug.LogError("WTF");
}
int lWidth = anim_info.canvas_width;
int lHeight = anim_info.canvas_height;
bool lMipmaps = false;
bool lLinear = false;
Texture2D texture = new Texture2D(lWidth, lHeight, TextureFormat.RGBA32, lMipmaps, lLinear);
texture.LoadRawTextureData(unmanagedPointer, size);
texture.Apply(updateMipmaps: false, makeNoLongerReadable: true);
ret.Add((texture, timestamp));
}
Demux.WebPAnimDecoderReset(dec);
Demux.WebPAnimDecoderDelete(dec);
}
return(ret);
}
unsafe List <(Texture2D, int)> LoadAnimation3(string loadPath)
{
List <ValueTuple <Texture2D, int> > ret = new List <ValueTuple <Texture2D, int> >();
TextAsset textasset = Resources.Load <TextAsset>(loadPath);
byte[] bytes = textasset.bytes;
WebPAnimDecoderOptions option = new WebPAnimDecoderOptions
{
use_threads = 1,
color_mode = WEBP_CSP_MODE.MODE_RGBA
};
var config = new WebPDecoderConfig();
if (Decode.WebPInitDecoderConfig(ref config) == 0)
{
throw new Exception("WebPInitDecoderConfig failed. Wrong version?");
}
Demux.WebPAnimDecoderOptionsInit(ref option);
fixed(byte *p = bytes)
{
IntPtr ptr = (IntPtr)p;
var webpdata = new WebPData
{
bytes = ptr,
size = new UIntPtr((uint)bytes.Length)
};
WebPAnimDecoderOptions opt = new WebPAnimDecoderOptions();
Demux.WebPAnimDecoderOptionsInit(ref opt);
IntPtr webPAnimDecoderPtr = Demux.WebPAnimDecoderNewInternal(ref webpdata, ref opt, Demux.WEBP_DEMUX_ABI_VERSION);
Debug.Log($"webPAnimDecoderPtr = {webPAnimDecoderPtr}");
WebPAnimDecoder decoder = (WebPAnimDecoder)Marshal.PtrToStructure(webPAnimDecoderPtr, typeof(WebPAnimDecoder));
//int width = 400;
//int height = 400;
{
//config.input.has_alpha = 1;
//config.options.bypass_filtering = 1;
//config.options.no_fancy_upsampling = 1;
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 = 100;
config.output.colorspace = WEBP_CSP_MODE.MODE_RGBA;
//config.output.is_external_memory = 1;
//config.output.width = width;
//config.output.height = height;
}
decoder.config_ = config;
Marshal.StructureToPtr(decoder, webPAnimDecoderPtr, true);
IntPtr dec = webPAnimDecoderPtr;
WebPAnimInfo anim_info = new WebPAnimInfo();
Demux.WebPAnimDecoderGetInfo(dec, ref anim_info);
Debug.LogWarning($"{anim_info.frame_count} {anim_info.canvas_width}/{anim_info.canvas_height}");
int size = anim_info.canvas_width * 4 * anim_info.canvas_height;
IntPtr unmanagedPointer = new IntPtr();
int timestamp = 0;
for (int i = 0; i < anim_info.frame_count; ++i)
{
int result = Demux.WebPAnimDecoderGetNext(dec, ref unmanagedPointer, ref timestamp);
int lWidth = anim_info.canvas_width;
int lHeight = anim_info.canvas_height;
bool lMipmaps = false;
bool lLinear = false;
Texture2D texture = new Texture2D(lWidth, lHeight, TextureFormat.RGBA32, lMipmaps, lLinear);
texture.LoadRawTextureData(unmanagedPointer, size);
texture.Apply(updateMipmaps: false, makeNoLongerReadable: true);
ret.Add((texture, timestamp));
}
Demux.WebPAnimDecoderReset(dec);
Demux.WebPAnimDecoderDelete(dec);
}
return(ret);
}
){kind=link}