/usr/include/pjmedia/avi_stream.h is in libpjproject-dev 2.7.2~dfsg-1.
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/*
* Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com)
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __PJMEDIA_AVI_STREAM_H__
#define __PJMEDIA_AVI_STREAM_H__
/**
* @file avi_stream.h
* @brief AVI file player.
*/
#include <pjmedia/port.h>
PJ_BEGIN_DECL
/**
* @defgroup PJMEDIA_FILE_PLAY AVI File Player
* @ingroup PJMEDIA_PORT
* @brief Video and audio playback from AVI file
* @{
*/
/**
* AVI file player options.
*/
enum pjmedia_avi_file_player_option
{
/**
* Tell the file player to return NULL frame when the whole
* file has been played.
*/
PJMEDIA_AVI_FILE_NO_LOOP = 1
};
/**
* AVI stream data type.
*/
typedef pjmedia_port pjmedia_avi_stream;
/**
* Opaque data type for AVI streams. AVI streams is a collection of
* zero or more AVI stream.
*/
typedef struct pjmedia_avi_streams pjmedia_avi_streams;
/**
* Create avi streams to play an AVI file. AVI player supports
* reading AVI file with uncompressed video format and
* 16 bit PCM or compressed G.711 A-law/U-law audio format.
*
* @param pool Pool to create the streams.
* @param filename File name to open.
* @param flags Avi streams creation flags.
* @param p_streams Pointer to receive the avi streams instance.
*
* @return PJ_SUCCESS on success.
*/
PJ_DECL(pj_status_t)
pjmedia_avi_player_create_streams(pj_pool_t *pool,
const char *filename,
unsigned flags,
pjmedia_avi_streams **p_streams);
/**
* Get the number of AVI stream.
*
* @param streams The AVI streams.
*
* @return The number of AVI stream.
*/
PJ_DECL(unsigned)
pjmedia_avi_streams_get_num_streams(pjmedia_avi_streams *streams);
/**
* Return the idx-th stream of the AVI streams.
*
* @param streams The AVI streams.
* @param idx The stream index.
*
* @return The AVI stream or NULL if it does not exist.
*/
PJ_DECL(pjmedia_avi_stream *)
pjmedia_avi_streams_get_stream(pjmedia_avi_streams *streams,
unsigned idx);
/**
* Return an AVI stream with a certain media type from the AVI streams.
*
* @param streams The AVI streams.
* @param start_idx The starting index.
* @param media_type The media type of the stream.
*
* @return The AVI stream or NULL if it does not exist.
*/
PJ_DECL(pjmedia_avi_stream *)
pjmedia_avi_streams_get_stream_by_media(pjmedia_avi_streams *streams,
unsigned start_idx,
pjmedia_type media_type);
/**
* Return the media port of an AVI stream.
*
* @param stream The AVI stream.
*
* @return The media port.
*/
PJ_INLINE(pjmedia_port *)
pjmedia_avi_stream_get_port(pjmedia_avi_stream *stream)
{
return (pjmedia_port *)stream;
}
/**
* Get the data length, in bytes.
*
* @param stream The AVI stream.
*
* @return The length of the data, in bytes. Upon error it will
* return negative value.
*/
PJ_DECL(pj_ssize_t) pjmedia_avi_stream_get_len(pjmedia_avi_stream *stream);
/**
* Register a callback to be called when the file reading has reached the
* end of file. If the file is set to play repeatedly, then the callback
* will be called multiple times. Note that only one callback can be
* registered for each AVI stream.
*
* @param stream The AVI stream.
* @param user_data User data to be specified in the callback
* @param cb Callback to be called. If the callback returns non-
* PJ_SUCCESS, the playback will stop. Note that if
* application destroys the file port in the callback,
* it must return non-PJ_SUCCESS here.
*
* @return PJ_SUCCESS on success.
*/
PJ_DECL(pj_status_t)
pjmedia_avi_stream_set_eof_cb(pjmedia_avi_stream *stream,
void *user_data,
pj_status_t (*cb)(pjmedia_avi_stream *stream,
void *usr_data));
/**
* @}
*/
PJ_END_DECL
#endif /* __PJMEDIA_AVI_STREAM_H__ */
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