vb2_thread_fnc(9)

💖 vb2_thread_fnc 💖

okay so this page is straight from the Kernel API Manual, and it’s literally the callback bestie for vb2_thread. no cap, let’s get into it. 💅

✨ NAME ✨

vb2_thread_fnc — callback function for use with vb2_thread.

🎀 SYNOPSIS 🎀

int vb2_thread_fnc (struct vb2_buffer *vb , void *priv );

🌸 ARGUMENTS 🌸

• vb — pointer to struct vb2_buffer.
• priv — pointer to a private data.

🦋 DESCRIPTION 🦋

Bestie, this is called whenever a buffer is dequeued in the thread. That’s the whole vibe: buffer gets dequeued in the thread, and this callback gets called. ✨

👑 SEE ALSO 👑

Kernel file: ./include/media/videobuf2-core.h

• enum vb2_memory(9)
• struct vb2_mem_ops(9)
• struct vb2_plane(9)
• enum vb2_io_modes(9)
• enum vb2_buffer_state(9)
• struct vb2_buffer(9)
• struct vb2_ops(9)
• struct vb2_buf_ops(9)
• struct vb2_queue(9)
• vb2_queue_allows_cache_hints(9)
• vb2_plane_vaddr(9)
• vb2_plane_cookie(9)
• vb2_buffer_done(9)
• vb2_discard_done(9)
• vb2_wait_for_all_buffers(9)
• vb2_core_querybuf(9)
• vb2_core_reqbufs(9)
• vb2_core_create_bufs(9)
• vb2_core_prepare_buf(9)
• vb2_core_remove_bufs(9)
• vb2_core_qbuf(9)
• vb2_core_dqbuf(9)
• vb2_core_streamon(9)
• vb2_core_streamoff(9)
• vb2_core_expbuf(9)
• vb2_core_queue_init(9)
• vb2_core_queue_release(9)
• vb2_queue_error(9)
• vb2_mmap(9)
• vb2_get_unmapped_area(9)
• vb2_core_poll(9)
• vb2_read(9)
• vb2_write(9)
• vb2_thread_start(9)
• vb2_thread_stop(9)
• vb2_is_streaming(9)
• vb2_fileio_is_active(9)
• vb2_get_num_buffers(9)
• vb2_is_busy(9)
• vb2_get_drv_priv(9)
• vb2_set_plane_payload(9)
• vb2_get_plane_payload(9)
• vb2_plane_size(9)
• vb2_start_streaming_called(9)
• vb2_clear_last_buffer_dequeued(9)
• vb2_get_buffer(9)
• vb2_buffer_in_use(9)
• vb2_verify_memory_type(9)
• vb2_request_object_is_buffer(9)
• vb2_request_buffer_cnt(9)

source: ./include/media · date: October 2026 · page: vb2_thread_fnc(9) — bye bestie, mwah 💋🎀