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A video buffer had 2 responsibilities: - handle the frame delaying mechanism (queuing packets and pushing them after the expected delay); - keep only the most recent frame (using a sc_frame_buffer). In order to be able to reuse only the frame delaying mechanism, extract it to a separate component, sc_delay_buffer.
48 lines
1.0 KiB
C
48 lines
1.0 KiB
C
#ifndef SC_VIDEO_BUFFER_H
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#define SC_VIDEO_BUFFER_H
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#include "common.h"
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#include <stdbool.h>
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#include "delay_buffer.h"
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#include "frame_buffer.h"
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struct sc_video_buffer {
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struct sc_delay_buffer db;
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struct sc_frame_buffer fb;
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const struct sc_video_buffer_callbacks *cbs;
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void *cbs_userdata;
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};
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struct sc_video_buffer_callbacks {
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bool (*on_new_frame)(struct sc_video_buffer *vb, bool previous_skipped,
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void *userdata);
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};
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bool
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sc_video_buffer_init(struct sc_video_buffer *vb, sc_tick delay,
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const struct sc_video_buffer_callbacks *cbs,
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void *cbs_userdata);
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bool
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sc_video_buffer_start(struct sc_video_buffer *vb);
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void
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sc_video_buffer_stop(struct sc_video_buffer *vb);
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void
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sc_video_buffer_join(struct sc_video_buffer *vb);
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void
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sc_video_buffer_destroy(struct sc_video_buffer *vb);
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bool
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sc_video_buffer_push(struct sc_video_buffer *vb, const AVFrame *frame);
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void
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sc_video_buffer_consume(struct sc_video_buffer *vb, AVFrame *dst);
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#endif
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