64 lines
2.7 KiB
C
64 lines
2.7 KiB
C
#pragma once
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#include <linux/media.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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bool mp_find_device_path(struct media_v2_intf_devnode devnode, char *path,
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int length);
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typedef struct _MPDevice MPDevice;
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MPDevice *mp_device_find(const char *driver_name);
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MPDevice *mp_device_open(const char *path);
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MPDevice *mp_device_new(int fd);
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void mp_device_close(MPDevice *device);
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bool mp_device_setup_link(MPDevice *device, uint32_t source_pad_id,
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uint32_t sink_pad_id, bool enabled);
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const struct media_device_info *mp_device_get_info(const MPDevice *device);
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const struct media_v2_entity *mp_device_find_entity(const MPDevice *device,
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const char *driver_name);
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const struct media_v2_entity *mp_device_find_entity_type(const MPDevice *device,
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const uint32_t type);
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const struct media_v2_entity *mp_device_get_entity(const MPDevice *device,
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uint32_t id);
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const struct media_v2_entity *mp_device_get_entities(const MPDevice *device);
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size_t mp_device_get_num_entities(const MPDevice *device);
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const struct media_v2_interface *
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mp_device_find_entity_interface(const MPDevice *device, uint32_t entity_id);
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const struct media_v2_interface *mp_device_get_interface(const MPDevice *device,
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uint32_t id);
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const struct media_v2_interface *mp_device_get_interfaces(const MPDevice *device);
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size_t mp_device_get_num_interfaces(const MPDevice *device);
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const struct media_v2_pad *mp_device_get_pad_from_entity(const MPDevice *device,
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uint32_t entity_id);
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const struct media_v2_pad *mp_device_get_pad(const MPDevice *device, uint32_t id);
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const struct media_v2_pad *mp_device_get_pads(const MPDevice *device);
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size_t mp_device_get_num_pads(const MPDevice *device);
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const struct media_v2_link *mp_device_find_entity_link(const MPDevice *device,
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uint32_t entity_id);
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const struct media_v2_link *mp_device_find_link_from(const MPDevice *device,
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uint32_t source);
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const struct media_v2_link *mp_device_find_link_to(const MPDevice *device,
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uint32_t sink);
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const struct media_v2_link *
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mp_device_find_link_between(const MPDevice *device, uint32_t source, uint32_t sink);
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const struct media_v2_link *mp_device_get_link(const MPDevice *device, uint32_t id);
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const struct media_v2_link *mp_device_get_links(const MPDevice *device);
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size_t mp_device_get_num_links(const MPDevice *device);
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typedef struct _MPDeviceList MPDeviceList;
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MPDeviceList *mp_device_list_new();
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void mp_device_list_free(MPDeviceList *device_list);
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MPDevice *mp_device_list_find_remove(MPDeviceList **device_list,
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const char *driver_name);
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MPDevice *mp_device_list_remove(MPDeviceList **device_list);
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MPDevice *mp_device_list_get(const MPDeviceList *device_list);
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MPDeviceList *mp_device_list_next(const MPDeviceList *device_list);
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