DarthAffe/stable-diffusion.cpp
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feat: add hunyuan video 1.5 support (#1795)

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leejet authored and GitHub committed 2026-07-18 22:30:10 +08:00
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commit ea4e566ccf
19 files changed
+1970 -53
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src/model/vae/vae.hpp
+2 -2
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@@ -74,7 +74,7 @@ public:
int scale_factor = 8;
if (version == VERSION_LTXAV) {
scale_factor = 32;
} else if (version == VERSION_WAN2_2_TI2V) {
} else if (version == VERSION_WAN2_2_TI2V || sd_version_is_hunyuan_video(version)) {
scale_factor = 16;
} else if (sd_version_uses_flux2_vae(version)) {
scale_factor = 16;
@@ -136,7 +136,7 @@ public:
// Image VAE encode is more sensitive to tile boundary context than decode.
// Keep the smaller legacy factor for video VAEs, but default image encode
// tiles to 64 latent pixels so a 512px SD image is encoded as one tile.
const float encode_tile_factor = (sd_version_is_wan(version) || sd_version_is_ltxav(version)) ? 1.30539f : 2.0f;
const float encode_tile_factor = (sd_version_is_wan(version) || sd_version_is_hunyuan_video(version) || sd_version_is_ltxav(version)) ? 1.30539f : 2.0f;
get_tile_sizes(tile_size_x, tile_size_y, tile_overlap, tiling_params, W, H, encode_tile_factor);
LOG_DEBUG("VAE Tile size: %dx%d", tile_size_x, tile_size_y);
output = tiled_compute(input,