49 lines
1.1 KiB
C
49 lines
1.1 KiB
C
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#include "frames.h"
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#include <SDL2/SDL_mutex.h>
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#include <libavutil/avutil.h>
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#include <libavformat/avformat.h>
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int frames_init(struct frames *frames) {
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if (!(frames->decoding_frame = av_frame_alloc())) {
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goto error_0;
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}
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if (!(frames->rendering_frame = av_frame_alloc())) {
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goto error_1;
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}
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if (!(frames->mutex = SDL_CreateMutex())) {
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goto error_2;
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}
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if (!(frames->rendering_frame_consumed_cond = SDL_CreateCond())) {
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goto error_3;
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}
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frames->rendering_frame_consumed = SDL_TRUE;
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return 0;
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error_3:
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SDL_DestroyMutex(frames->mutex);
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error_2:
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av_frame_free(&frames->rendering_frame);
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error_1:
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av_frame_free(&frames->decoding_frame);
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error_0:
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return -1;
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}
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void frames_destroy(struct frames *frames) {
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SDL_DestroyMutex(frames->mutex);
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av_frame_free(&frames->rendering_frame);
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av_frame_free(&frames->decoding_frame);
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}
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void frames_swap(struct frames *frames) {
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AVFrame *tmp = frames->decoding_frame;
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frames->decoding_frame = frames->rendering_frame;
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frames->rendering_frame = tmp;
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}
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