初版

2025-12-03 11:12:34 +08:00
parent c23ae4f24c
commit bc195654bf
8163 changed files with 3799544 additions and 92 deletions
@@ -0,0 +1,59 @@
+#ifndef VIDEOBUF_H
+#define VIDEOBUF_H
+
+#include "typedef.h"
+#include "generic/list.h"
+#include "generic/ioctl.h"
+#include "generic/lbuf.h"
+#include "video_ioctl.h"
+
+
+#include "video.h"
+
+
+void videobuf_queue_init(struct videobuf_queue *q, int align, const char *name);
+
+int videobuf_reqbufs(struct videobuf_queue *q, struct video_reqbufs *req);
+
+
+int videobuf_snoop_buf(struct videobuf_queue *q, struct video_buffer *b);
+
+int videobuf_dqbuf(struct videobuf_queue *q, struct video_buffer *b);
+
+int videobuf_qbuf(struct videobuf_queue *q, struct video_buffer *b);
+
+int videobuf_streamon(struct videobuf_queue *q, u8 *channel);
+
+int videobuf_streamoff(struct videobuf_queue *q, u8 channel);
+
+int videobuf_clear_stream(struct videobuf_queue *q, u8 channel);
+
+struct videobuf_buffer *videobuf_stream_alloc(struct videobuf_queue *q, u32 size);
+
+struct videobuf_buffer *videobuf_stream_realloc(struct videobuf_queue *q,
+        struct videobuf_buffer *b, int size);
+
+u32 videobuf_stream_free_space(struct videobuf_queue *q);
+
+void videobuf_stream_free(struct videobuf_queue *q, struct videobuf_buffer *b);
+
+
+int videobuf_stream_finish(struct videobuf_queue *q, struct videobuf_buffer *b);
+
+
+int videobuf_query(struct videobuf_queue *q, struct videobuf_state *sta);
+
+void videobuf_queue_release(struct videobuf_queue *q);
+
+
+
+
+
+
+
+
+
+
+
+#endif
+