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added API for mux #750

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39 changes: 39 additions & 0 deletions libheif/heif.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -2383,6 +2383,45 @@ struct heif_error heif_context_encode_image(struct heif_context* ctx,
}


struct heif_error heif_context_mux_image(struct heif_context* ctx,
const struct heif_image* input_image,
heif_compression_format compression_format,
struct heif_encoding_options* mux_options,
uint8_t* encoded_stream,
size_t encoded_stream_size,
struct heif_image_handle** out_image_handle)
{
std::shared_ptr<HeifContext::Image> image;
Error error;

error = ctx->context->mux_image(input_image->image,
compression_format,
heif_image_input_class_normal,
mux_options,
encoded_stream,
encoded_stream_size,
image);
if (error != Error::Ok) {
return error.error_struct(ctx->context.get());
}

// mark the new image as primary image

if (ctx->context->is_primary_image_set() == false) {
ctx->context->set_primary_image(image);
}

if (out_image_handle) {
*out_image_handle = new heif_image_handle;
(*out_image_handle)->image = image;
(*out_image_handle)->context = ctx->context;
}

return error_Ok;
}



struct heif_error heif_context_assign_thumbnail(struct heif_context* ctx,
const struct heif_image_handle* master_image,
const struct heif_image_handle* thumbnail_image)
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9 changes: 9 additions & 0 deletions libheif/heif.h
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Original file line number Diff line number Diff line change
Expand Up @@ -1475,6 +1475,15 @@ struct heif_error heif_context_encode_image(struct heif_context*,
const struct heif_encoding_options* options,
struct heif_image_handle** out_image_handle);

LIBHEIF_API
struct heif_error heif_context_mux_image(struct heif_context* ctx,
const struct heif_image* input_image,
enum heif_compression_format compression_format,
struct heif_encoding_options* mux_options,
uint8_t* encoded_stream,
size_t encoded_stream_size,
struct heif_image_handle** out_image_handle);

LIBHEIF_API
struct heif_error heif_context_set_primary_image(struct heif_context*,
struct heif_image_handle* image_handle);
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