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/*
* cx18 init/start/stop/exit stream functions
*
* Derived from ivtv-streams.h
*
* Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl>
* Copyright (C) 2008 Andy Walls <awalls@md.metrocast.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
u32 cx18_find_handle(struct cx18 *cx);
struct cx18_stream *cx18_handle_to_stream(struct cx18 *cx, u32 handle);
int cx18_streams_setup(struct cx18 *cx);
int cx18_streams_register(struct cx18 *cx);
void cx18_streams_cleanup(struct cx18 *cx, int unregister);
#define CX18_ENC_STREAM_TYPE_IDX_FW_MDL_MIN (3)
void cx18_stream_rotate_idx_mdls(struct cx18 *cx);
static inline bool cx18_stream_enabled(struct cx18_stream *s)
{
return s->video_dev.v4l2_dev ||
(s->dvb && s->dvb->enabled) ||
(s->type == CX18_ENC_STREAM_TYPE_IDX &&
s->cx->stream_buffers[CX18_ENC_STREAM_TYPE_IDX] != 0);
}
/* Related to submission of mdls to firmware */
static inline void cx18_stream_load_fw_queue(struct cx18_stream *s)
{
schedule_work(&s->out_work_order);
}
static inline void cx18_stream_put_mdl_fw(struct cx18_stream *s,
struct cx18_mdl *mdl)
{
/* Put mdl on q_free; the out work handler will move mdl(s) to q_busy */
cx18_enqueue(s, mdl, &s->q_free);
cx18_stream_load_fw_queue(s);
}
void cx18_out_work_handler(struct work_struct *work);
/* Capture related */
int cx18_start_v4l2_encode_stream(struct cx18_stream *s);
int cx18_stop_v4l2_encode_stream(struct cx18_stream *s, int gop_end);
void cx18_stop_all_captures(struct cx18 *cx);
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