48 lines
1.8 KiB
C
48 lines
1.8 KiB
C
#pragma once
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#include "v4l2.h"
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typedef struct device_s {
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char *name;
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char *path;
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int fd;
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int subdev_fd;
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struct v4l2_capability v4l2_cap;
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bool allow_dma;
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struct buffer_list_s *capture_list;
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struct buffer_list_s *output_list;
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struct device_s *output_device;
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bool paused;
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} device_t;
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device_t *device_open(const char *name, const char *path);
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int device_open_media_device(device_t *dev);
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int device_open_v4l2_subdev(device_t *dev, int subdev);
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void device_close(device_t *device);
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int device_open_buffer_list(device_t *dev, bool do_capture, unsigned width, unsigned height, unsigned format, unsigned bytesperline, int nbufs, bool do_mmap);
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int device_open_buffer_list_output(device_t *dev, struct buffer_list_s *capture_list);
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int device_open_buffer_list_capture(device_t *dev, struct buffer_list_s *output_list, float div, unsigned format, bool do_mmap);
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int device_consume_event(device_t *device);
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int device_set_stream(device_t *dev, bool do_on);
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int device_set_decoder_start(device_t *dev, bool do_on);
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int device_video_force_key(device_t *dev);
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int device_set_fps(device_t *dev, int desired_fps);
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int device_set_pad_format(device_t *device, unsigned width, unsigned height, unsigned format);
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int device_set_option(device_t *dev, const char *name, uint32_t id, int32_t value);
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int device_set_option_string(device_t *dev, const char *option);
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void device_set_option_list(device_t *dev, const char *option_list);
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#define DEVICE_SET_OPTION(dev, name, value) \
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device_set_option(dev, #name, V4L2_CID_##name, value)
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#define DEVICE_SET_OPTION2(dev, type, name, value) \
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device_set_option(dev, #name, V4L2_CID_##type##_##name, value)
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#define DEVICE_SET_OPTION2_FATAL(dev, type, name, value) \
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do { if (DEVICE_SET_OPTION2(dev, type, name, value) < 0) return -1; } while(0)
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