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FFmpeg/libavformat/ffm.h
Michael Niedermayer d6e87190fd Merge commit 'a25d912dca9cd553440167e0476c47581359c0fc'
* commit 'a25d912dca9cd553440167e0476c47581359c0fc':
  avcodec_encode_audio(): fix invalid free
  pcm-mpeg: correct bitrate calculation
  ffv1: K&R formatting cosmetics
  fate: Add rangecoder test
  network: #include stdint.h in network.h
  nut: export codec_tag provided by rawvideo
  avserver: move avserver-specific code from ffmdec.c to avserver.c

Conflicts:
	ffserver.c
	libavcodec/ffv1.c
	libavformat/ffmdec.c
	libavformat/nutenc.c
	tests/ref/lavfi/crop
	tests/ref/lavfi/crop_scale
	tests/ref/lavfi/crop_scale_vflip
	tests/ref/lavfi/crop_vflip
	tests/ref/lavfi/null
	tests/ref/lavfi/pixdesc
	tests/ref/lavfi/pixfmts_copy
	tests/ref/lavfi/pixfmts_crop
	tests/ref/lavfi/pixfmts_hflip
	tests/ref/lavfi/pixfmts_null
	tests/ref/lavfi/pixfmts_pad
	tests/ref/lavfi/pixfmts_scale
	tests/ref/lavfi/pixfmts_vflip
	tests/ref/lavfi/scale200
	tests/ref/lavfi/scale500
	tests/ref/lavfi/vflip
	tests/ref/lavfi/vflip_crop
	tests/ref/lavfi/vflip_vflip

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2012-10-17 14:17:55 +02:00

61 lines
1.7 KiB
C

/*
* FFM (ffserver live feed) common header
* Copyright (c) 2001 Fabrice Bellard
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVFORMAT_FFM_H
#define AVFORMAT_FFM_H
#include <stdint.h>
#include "avformat.h"
#include "avio.h"
/* The FFM file is made of blocks of fixed size */
#define FFM_HEADER_SIZE 14
#define FFM_PACKET_SIZE 4096
#define PACKET_ID 0x666d
/* each packet contains frames (which can span several packets */
#define FRAME_HEADER_SIZE 16
#define FLAG_KEY_FRAME 0x01
#define FLAG_DTS 0x02
enum {
READ_HEADER,
READ_DATA,
};
typedef struct FFMContext {
/* only reading mode */
int64_t write_index, file_size;
int read_state;
uint8_t header[FRAME_HEADER_SIZE+4];
/* read and write */
int first_packet; /* true if first packet, needed to set the discontinuity tag */
int packet_size;
int frame_offset;
int64_t dts;
uint8_t *packet_ptr, *packet_end;
uint8_t packet[FFM_PACKET_SIZE];
int64_t start_time;
} FFMContext;
#endif /* AVFORMAT_FFM_H */