){kind=link}
private unsafe List <(Texture2D, int)> LoadAnimation(string loadPath)
{
List <(Texture2D, int)> ret = new List <(Texture2D, int)>();
TextAsset textasset = Resources.Load <TextAsset>(loadPath);
byte[] bytes = textasset.bytes;
WebPAnimDecoderOptions option = new WebPAnimDecoderOptions
{
use_threads = 1,
color_mode = (unity.libwebp.Interop.WEBP_CSP_MODE)WEBP_CSP_MODE.MODE_RGBA
};
NativeLibwebpdemux.WebPAnimDecoderOptionsInit(&option);
fixed(byte *p = bytes)
{
WebPData webpdata = new WebPData
{
bytes = p,
size = new UIntPtr((uint)bytes.Length)
};
WebPAnimDecoder *dec = NativeLibwebpdemux.WebPAnimDecoderNew(&webpdata, &option);
WebPAnimInfo anim_info = new WebPAnimInfo();
NativeLibwebpdemux.WebPAnimDecoderGetInfo(dec, &anim_info);
Debug.LogWarning($"{anim_info.frame_count} {anim_info.canvas_width}/{anim_info.canvas_height}");
int size = (int)anim_info.canvas_width * 4 * (int)anim_info.canvas_height;
dec->config_.options.flip = 1;
dec->config_.options.no_fancy_upsampling = 1;
int timestamp = 0;
IntPtr pp = new IntPtr();
byte **unmanagedPointer = (byte **)&pp;
for (int i = 0; i < anim_info.frame_count; ++i)
{
int result = NativeLibwebpdemux.WebPAnimDecoderGetNext(dec, unmanagedPointer, ×tamp);
Assert.AreEqual(1, result);
int lWidth = (int)anim_info.canvas_width;
int lHeight = (int)anim_info.canvas_height;
bool lMipmaps = false;
bool lLinear = false;
Texture2D texture = Texture2DExt.CreateWebpTexture2D(lWidth, lHeight, lMipmaps, lLinear);
texture.LoadRawTextureData(pp, size);
texture.Apply(updateMipmaps: false, makeNoLongerReadable: true);
ret.Add((texture, timestamp));
}
NativeLibwebpdemux.WebPAnimDecoderReset(dec);
NativeLibwebpdemux.WebPAnimDecoderDelete(dec);
}
return(ret);
}
private unsafe List <(Texture2D, int)> LoadAnimation(string loadPath)
{
List <(Texture2D, int)> ret = new List <(Texture2D, int)>();
TextAsset textasset = Resources.Load <TextAsset>(loadPath);
byte[] bytes = textasset.bytes;
WebPAnimDecoderOptions option = new WebPAnimDecoderOptions
{
use_threads = 1,
color_mode = WEBP_CSP_MODE.MODE_RGBA,
};
option.padding[5] = 1;
NativeLibwebpdemux.WebPAnimDecoderOptionsInit(&option);
fixed(byte *p = bytes)
{
WebPData webpdata = new WebPData
{
bytes = p,
size = new UIntPtr((uint)bytes.Length)
};
WebPAnimDecoder *dec = NativeLibwebpdemux.WebPAnimDecoderNew(&webpdata, &option);
//dec->config_.options.flip = 1;
WebPAnimInfo anim_info = new WebPAnimInfo();
NativeLibwebpdemux.WebPAnimDecoderGetInfo(dec, &anim_info);
Debug.LogWarning($"{anim_info.frame_count} {anim_info.canvas_width}/{anim_info.canvas_height}");
uint size = anim_info.canvas_width * 4 * anim_info.canvas_height;
int timestamp = 0;
IntPtr pp = new IntPtr();
byte **unmanagedPointer = (byte **)&pp;
for (int i = 0; i < anim_info.frame_count; ++i)
{
int result = NativeLibwebpdemux.WebPAnimDecoderGetNext(dec, unmanagedPointer, ×tamp);
Assert.AreEqual(1, result);
int lWidth = (int)anim_info.canvas_width;
int lHeight = (int)anim_info.canvas_height;
bool lMipmaps = false;
bool lLinear = false;
Texture2D texture = Texture2DExt.CreateWebpTexture2D(lWidth, lHeight, lMipmaps, lLinear);
texture.LoadRawTextureData(pp, (int)size);
{// Flip updown.
// ref: https://github.com/netpyoung/unity.webp/issues/25
// ref: https://github.com/netpyoung/unity.webp/issues/21
// ref: https://github.com/webmproject/libwebp/blob/master/src/demux/anim_decode.c#L309
Color[] pixels = texture.GetPixels();
Color[] pixelsFlipped = new Color[pixels.Length];
for (int y = 0; y < anim_info.canvas_height; y++)
{
Array.Copy(pixels, y * anim_info.canvas_width, pixelsFlipped, (anim_info.canvas_height - y - 1) * anim_info.canvas_width, anim_info.canvas_width);
}
texture.SetPixels(pixelsFlipped);
}
texture.Apply();
ret.Add((texture, timestamp));
}
NativeLibwebpdemux.WebPAnimDecoderReset(dec);
NativeLibwebpdemux.WebPAnimDecoderDelete(dec);
}
return(ret);
}