65 lines
3.2 KiB
C
65 lines
3.2 KiB
C
#ifndef GSR_CAPTURE_CAPTURE_H
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#define GSR_CAPTURE_CAPTURE_H
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#include "../color_conversion.h"
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#include <stdbool.h>
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#include <stddef.h>
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#include <stdint.h>
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typedef struct AVCodecContext AVCodecContext;
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typedef struct AVStream AVStream;
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typedef struct AVFrame AVFrame;
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typedef struct AVMasteringDisplayMetadata AVMasteringDisplayMetadata;
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typedef struct AVContentLightMetadata AVContentLightMetadata;
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typedef struct gsr_capture gsr_capture;
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typedef struct gsr_capture_metadata gsr_capture_metadata;
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typedef enum {
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GSR_CAPTURE_ALIGN_START,
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GSR_CAPTURE_ALIGN_CENTER,
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GSR_CAPTURE_ALIGN_END
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} gsr_capture_alignment;
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struct gsr_capture_metadata {
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// Size of the video
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vec2i video_size;
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// The captured output gets scaled to this size. By default this will be the same size as the captured target
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vec2i recording_size;
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vec2i position;
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int fps;
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gsr_capture_alignment halign;
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gsr_capture_alignment valign;
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gsr_flip flip;
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};
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struct gsr_capture {
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/* These methods should not be called manually. Call gsr_capture_* instead. |capture_metadata->video_size| should be set by this function */
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int (*start)(gsr_capture *cap, gsr_capture_metadata *capture_metadata);
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void (*on_event)(gsr_capture *cap, gsr_egl *egl); /* can be NULL */
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void (*tick)(gsr_capture *cap); /* can be NULL. If there is an event then |on_event| is called before this */
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bool (*should_stop)(gsr_capture *cap, bool *err); /* can be NULL. If NULL, return false */
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bool (*capture_has_synchronous_task)(gsr_capture *cap); /* can be NULL. If this returns true then the time spent in |capture| is ignored for video/audio (capture is paused while the synchronous task happens) */
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void (*pre_capture)(gsr_capture *cap, gsr_capture_metadata *capture_metadata, gsr_color_conversion *color_conversion); /* can be NULL */
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int (*capture)(gsr_capture *cap, gsr_capture_metadata *capture_metadata, gsr_color_conversion *color_conversion); /* Return 0 if the frame was captured */
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bool (*uses_external_image)(gsr_capture *cap); /* can be NULL. If NULL, return false */
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bool (*set_hdr_metadata)(gsr_capture *cap, AVMasteringDisplayMetadata *mastering_display_metadata, AVContentLightMetadata *light_metadata); /* can be NULL. If NULL, return false */
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uint64_t (*get_window_id)(gsr_capture *cap); /* can be NULL. Returns 0 if unknown */
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bool (*is_damaged)(gsr_capture *cap); /* can be NULL */
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void (*clear_damage)(gsr_capture *cap); /* can be NULL */
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void (*destroy)(gsr_capture *cap);
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void *priv; /* can be NULL */
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bool started;
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};
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int gsr_capture_start(gsr_capture *cap, gsr_capture_metadata *capture_metadata);
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void gsr_capture_on_event(gsr_capture *cap, gsr_egl *egl);
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void gsr_capture_tick(gsr_capture *cap);
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bool gsr_capture_should_stop(gsr_capture *cap, bool *err);
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int gsr_capture_capture(gsr_capture *cap, gsr_capture_metadata *capture_metadata, gsr_color_conversion *color_conversion);
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bool gsr_capture_uses_external_image(gsr_capture *cap);
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bool gsr_capture_set_hdr_metadata(gsr_capture *cap, AVMasteringDisplayMetadata *mastering_display_metadata, AVContentLightMetadata *light_metadata);
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void gsr_capture_destroy(gsr_capture *cap);
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#endif /* GSR_CAPTURE_CAPTURE_H */
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