celp.h
资源名称:NETVIDEO.rar [点击查看]
上传用户:sun1608
上传日期:2007-02-02
资源大小:6116k
文件大小:2k
源码类别:
流媒体/Mpeg4/MP4
开发平台:
Visual C++
- /*
- * The contents of this file are subject to the Mozilla Public
- * License Version 1.1 (the "License"); you may not use this file
- * except in compliance with the License. You may obtain a copy of
- * the License at http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS
- * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
- * implied. See the License for the specific language governing
- * rights and limitations under the License.
- *
- * The Original Code is MPEG4IP.
- *
- * The Initial Developer of the Original Code is Cisco Systems Inc.
- * Portions created by Cisco Systems Inc. are
- * Copyright (C) Cisco Systems Inc. 2000, 2001. All Rights Reserved.
- *
- * Contributor(s):
- * Bill May wmay@cisco.com
- */
- /*
- * celp.h - class definition for CELP codec.
- */
- #ifndef __CELP_H__
- #define __CELP_H__ 1
- #include "include/audio.h"
- #include "include/austream.h"
- #include "bitstream.h"
- #include <SDL.h>
- #include "codec_plugin.h"
- typedef struct celp_codec_t {
- codec_data_t c;
- audio_vft_t *m_vft;
- void *m_ifptr;
- float **m_sampleBuf;
- uint16_t *m_bufs;
- //AudioFileStruct *audiFile;
- int m_object_type;
- int m_resync_with_header;
- int m_record_sync_time;
- uint64_t m_current_time;
- uint64_t m_last_rtp_ts;
- uint64_t m_msec_per_frame;
- uint32_t m_current_frame;
- SDL_AudioSpec m_obtained;
- int m_audio_inited;
- int m_celp_inited;
- int m_freq; // frequency
- int m_chans; // channels
- int m_output_frame_size;
- //unsigned char *m_temp_buff;
- int m_last;
- #if DUMP_OUTPUT_TO_FILE
- FILE *m_outfile;
- #endif
- FILE *m_ifile;
- uint8_t *m_buffer;
- uint32_t m_buffer_size_max;
- uint32_t m_buffer_size;
- uint32_t m_buffer_on;
- uint64_t m_framecount;
- } celp_codec_t;
- #define m_vft c.v.audio_vft
- #define m_ifptr c.ifptr
- #define MAX_READ_BUFFER (768 * 8)
- #define celp_message celp->m_vft->log_msg
- void celp_close(codec_data_t *ptr);
- extern const char *celplib;
- codec_data_t *celp_file_check(lib_message_func_t message,
- const char *name,
- double *max,
- char *desc[4]);
- int celp_file_next_frame(codec_data_t *ifptr,
- uint8_t **buffer,
- uint64_t *ts);
- int celp_file_eof(codec_data_t *ifptr);
- void celp_file_used_for_frame(codec_data_t *ifptr,
- uint32_t bytes);
- int celp_raw_file_seek_to(codec_data_t *ifptr,
- uint64_t ts);
- #endif