45 lines
1.9 KiB
C
45 lines
1.9 KiB
C
/*
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SDL_image: An example image loading library for use with SDL
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Copyright (C) 1997-2026 Sam Lantinga <slouken@libsdl.org>
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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typedef struct IMG_AnimationDecoderContext IMG_AnimationDecoderContext;
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struct IMG_AnimationDecoder
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{
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IMG_AnimationDecoderStatus status;
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SDL_PropertiesID props;
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SDL_IOStream *src;
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Sint64 start;
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bool closeio;
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int timebase_numerator;
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int timebase_denominator;
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Uint64 accumulated_pts;
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bool (*GetNextFrame)(IMG_AnimationDecoder *decoder, SDL_Surface **frame, Uint64 *duration);
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bool (*Reset)(IMG_AnimationDecoder *decoder);
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bool (*Close)(IMG_AnimationDecoder *decoder);
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IMG_AnimationDecoderContext *ctx;
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};
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extern Uint64 IMG_TimebaseDuration(Uint64 pts, Uint64 duration, Uint64 src_numerator, Uint64 src_denominator, Uint64 dst_numerator, Uint64 dst_denominator);
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extern Uint64 IMG_GetDecoderDuration(IMG_AnimationDecoder *decoder, Uint64 duration, Uint64 timebase_denominator);
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extern IMG_Animation *IMG_DecodeAsAnimation(SDL_IOStream *src, const char *format, int maxFrames);
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