tvheadend/src/streaming.h
2010-11-29 19:25:24 +00:00

115 lines
3 KiB
C

/*
* Stream plumbing, connects individual streaming components to each other
* Copyright (C) 2008 Andreas Öman
*
* 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 3 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.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef STREAMING_H_
#define STREAMING_H_
#include "packet.h"
#include "htsmsg.h"
typedef struct streaming_start_component {
int ssc_index;
int ssc_type;
char ssc_lang[4];
uint16_t ssc_composition_id;
uint16_t ssc_ancillary_id;
uint16_t ssc_pid;
int16_t ssc_width;
int16_t ssc_height;
int16_t ssc_aspect_num;
int16_t ssc_aspect_den;
uint8_t ssc_sri;
uint8_t ssc_channels;
uint8_t ssc_disabled;
pktbuf_t *ssc_gh;
int ssc_frameduration;
} streaming_start_component_t;
typedef struct streaming_start {
int ss_refcount;
int ss_num_components;
source_info_t ss_si;
uint16_t ss_pcr_pid;
streaming_start_component_t ss_components[0];
} streaming_start_t;
/**
*
*/
void streaming_pad_init(streaming_pad_t *sp);
void streaming_target_init(streaming_target_t *st,
st_callback_t *cb, void *opaque,
int reject_filter);
void streaming_queue_init(streaming_queue_t *sq, int reject_filter);
void streaming_queue_clear(struct streaming_message_queue *q);
void streaming_queue_deinit(streaming_queue_t *sq);
void streaming_target_connect(streaming_pad_t *sp, streaming_target_t *st);
void streaming_target_disconnect(streaming_pad_t *sp, streaming_target_t *st);
void streaming_pad_deliver(streaming_pad_t *sp, streaming_message_t *sm);
void streaming_msg_free(streaming_message_t *sm);
streaming_message_t *streaming_msg_clone(streaming_message_t *src);
streaming_message_t *streaming_msg_create(streaming_message_type_t type);
streaming_message_t *streaming_msg_create_data(streaming_message_type_t type,
void *data);
streaming_message_t *streaming_msg_create_code(streaming_message_type_t type,
int code);
streaming_message_t *streaming_msg_create_pkt(th_pkt_t *pkt);
#define streaming_target_deliver(st, sm) ((st)->st_cb((st)->st_opaque, (sm)))
void streaming_target_deliver2(streaming_target_t *st, streaming_message_t *sm);
void streaming_start_unref(streaming_start_t *ss);
streaming_start_t *streaming_start_copy(const streaming_start_t *src);
int streaming_pad_probe_type(streaming_pad_t *sp,
streaming_message_type_t smt);
const char *streaming_code2txt(int code);
streaming_start_component_t *streaming_start_component_find_by_index(streaming_start_t *ss, int idx);
#endif /* STREAMING_H_ */