1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
---|---|
2 | /* |
3 | * cx18 init/start/stop/exit stream functions |
4 | * |
5 | * Derived from ivtv-streams.h |
6 | * |
7 | * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> |
8 | * Copyright (C) 2008 Andy Walls <awalls@md.metrocast.net> |
9 | */ |
10 | |
11 | u32 cx18_find_handle(struct cx18 *cx); |
12 | struct cx18_stream *cx18_handle_to_stream(struct cx18 *cx, u32 handle); |
13 | int cx18_streams_setup(struct cx18 *cx); |
14 | int cx18_streams_register(struct cx18 *cx); |
15 | void cx18_streams_cleanup(struct cx18 *cx, int unregister); |
16 | |
17 | #define CX18_ENC_STREAM_TYPE_IDX_FW_MDL_MIN (3) |
18 | void cx18_stream_rotate_idx_mdls(struct cx18 *cx); |
19 | |
20 | static inline bool cx18_stream_enabled(struct cx18_stream *s) |
21 | { |
22 | return s->video_dev.v4l2_dev || |
23 | (s->dvb && s->dvb->enabled) || |
24 | (s->type == CX18_ENC_STREAM_TYPE_IDX && |
25 | s->cx->stream_buffers[CX18_ENC_STREAM_TYPE_IDX] != 0); |
26 | } |
27 | |
28 | /* Related to submission of mdls to firmware */ |
29 | static inline void cx18_stream_load_fw_queue(struct cx18_stream *s) |
30 | { |
31 | schedule_work(work: &s->out_work_order); |
32 | } |
33 | |
34 | static inline void cx18_stream_put_mdl_fw(struct cx18_stream *s, |
35 | struct cx18_mdl *mdl) |
36 | { |
37 | /* Put mdl on q_free; the out work handler will move mdl(s) to q_busy */ |
38 | cx18_enqueue(s, mdl, q: &s->q_free); |
39 | cx18_stream_load_fw_queue(s); |
40 | } |
41 | |
42 | void cx18_out_work_handler(struct work_struct *work); |
43 | |
44 | /* Capture related */ |
45 | int cx18_start_v4l2_encode_stream(struct cx18_stream *s); |
46 | int cx18_stop_v4l2_encode_stream(struct cx18_stream *s, int gop_end); |
47 | |
48 | void cx18_stop_all_captures(struct cx18 *cx); |
49 |