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hw/buffer_list.h

@@ -0,0 +1,36 @@
+#pragma once
+
+#include "v4l2.h"
+
+typedef struct buffer_list_s {
+  char *name;
+  struct device_s *device;
+  buffer_t **bufs;
+  int nbufs;
+  int type;
+
+  struct v4l2_format v4l2_format;
+  bool do_mplanes;
+  bool do_mmap;
+  bool do_dma;
+  bool do_capture;
+
+  unsigned fmt_width, fmt_height, fmt_format;
+
+  bool streaming;
+  int frames;
+} buffer_list_t;
+
+buffer_list_t *buffer_list_open(const char *name, struct device_s *dev, unsigned type, bool do_mmap);
+void buffer_list_close(buffer_list_t *buf_list);
+
+int buffer_list_set_format(buffer_list_t *buffer_list, unsigned width, unsigned height, unsigned format);
+int buffer_list_request(buffer_list_t *buf_list, int nbufs);
+
+int buffer_list_stream(buffer_list_t *buf_list, bool do_on);
+
+buffer_t *buffer_list_find_slot(buffer_list_t *buf_list);
+buffer_t *buffer_list_dequeue(buffer_list_t *buf_list);
+int buffer_list_count_enqueued(buffer_list_t *buf_list);
+
+int buffer_list_enqueue(buffer_list_t *buf_list, buffer_t *dma_buf);