vpif_process...fer_complete(9)
β¨ vpif_process_buffer_complete(9) β¨
okay so real talk, this is a page from the Kernel API Manual (yes, that kernel manual, the (9) one, we're in the big leagues bestie π
) and it's about one lil function that does a whole lot of cleanup energy. let's get into it π«Ά
πΈ NAME πΈ
vpif_process_buffer_complete β process a completed buffer. that's it, that's the vibe. a buffer finished its little journey and now somebody's gotta deal with it β¨
π¦ SYNOPSIS π¦
void vpif_process_buffer_complete (struct common_obj *common );
like, that's the whole signature. void return, no notes, it just does the thing π
π ARGUMENTS π
commonβ ptr to common channel object. that's a pointer, to the common channel object, iykyk. it's the thing this whole function is about to fuss over π
π₯ DESCRIPTION π₯
okay so here's what goes down, no cap:
this function time stamps the buffer and marks it as DONE. like, the buffer gets its little completion checkmark, iconic behavior honestly β
it also wakes up any process waiting on the QUEUE β yes the QUEUE, all caps, the queue is having a moment β so whoever's been sitting there waiting gets the memo that things are moving again π
and finally it sets the next buffer as current. next up, bestie, main character energy π
fr fr, that's the entire description β timestamps it, marks DONE, wakes up the QUEUE waiters, promotes the next buffer. four little jobs, one function, zero drama π
β SEE ALSO β
peep these, they're all in the kernel file ./drivers/media/platform/ti/davinci/vpif_capture.c β go look, it's giving source-of-truth:
vpif_buffer_prepare(9)vpif_buffer_queue_setup(9)vpif_buffer_queue(9)vpif_start_streaming(9)vpif_stop_streaming(9)vpif_schedule_next_buffer(9)vpif_channel_isr(9)vpif_update_std_info(9)vpif_calculate_offsets(9)vpif_config_addr(9)vpif_input_to_subdev(9)vpif_set_input(9)vpif_querystd(9)vpif_g_std(9)vpif_s_std(9)vpif_enum_input(9)vpif_g_input(9)vpif_s_input(9)vpif_enum_fmt_vid_cap(9)vpif_try_fmt_vid_cap(9)vpif_g_fmt_vid_cap(9)vpif_s_fmt_vid_cap(9)vpif_querycap(9)vpif_enum_dv_timings(9)vpif_query_dv_timings(9)vpif_s_dv_timings(9)vpif_g_dv_timings(9)initialize_vpif(9)vpif_probe(9)vpif_remove(9)vpif_suspend(9)
like that's a whole friend group and they all showed up π§
and that's the page!! mwah π sourced from ./drivers/media/platform/ti/da... (the path got a lil truncated, she's mysterious like that π) and dated October 2026, so this page is literally from the future bestie, we love a time traveler π°οΈβ¨ stay hydrated, timestamp your buffers, and wake up your QUEUE waiters π
π¦ where this page comes from
- nixpkgs unstable: linux-manual 7.3.1
- π girlified by deepseek-ai/DeepSeek-V4.1-Flash-1017 on : a language model's rewrite of the original, under its terms