diff options
| author | Tim Redfern <tim@eclectronics.org> | 2013-09-05 17:55:35 +0100 |
|---|---|---|
| committer | Tim Redfern <tim@eclectronics.org> | 2013-09-05 17:55:35 +0100 |
| commit | 741fb4b9e135cfb161a749db88713229038577bb (patch) | |
| tree | 08bc9925659cbcac45162bacf31dc6336d4f60b4 /ffmpeg1/libavcodec/mjpegdec.h | |
| parent | a2e1bf3495b7bfefdaedb8fc737e969ab06df079 (diff) | |
making act segmenter
Diffstat (limited to 'ffmpeg1/libavcodec/mjpegdec.h')
| -rw-r--r-- | ffmpeg1/libavcodec/mjpegdec.h | 135 |
1 files changed, 0 insertions, 135 deletions
diff --git a/ffmpeg1/libavcodec/mjpegdec.h b/ffmpeg1/libavcodec/mjpegdec.h deleted file mode 100644 index 17665e4..0000000 --- a/ffmpeg1/libavcodec/mjpegdec.h +++ /dev/null @@ -1,135 +0,0 @@ -/* - * MJPEG decoder - * Copyright (c) 2000, 2001 Fabrice Bellard - * Copyright (c) 2003 Alex Beregszaszi - * Copyright (c) 2003-2004 Michael Niedermayer - * - * 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 - */ - -/** - * @file - * MJPEG decoder. - */ - -#ifndef AVCODEC_MJPEGDEC_H -#define AVCODEC_MJPEGDEC_H - -#include "libavutil/log.h" - -#include "avcodec.h" -#include "get_bits.h" -#include "dsputil.h" -#include "hpeldsp.h" - -#define MAX_COMPONENTS 4 - -typedef struct MJpegDecodeContext { - AVClass *class; - AVCodecContext *avctx; - GetBitContext gb; - - int start_code; /* current start code */ - int buffer_size; - uint8_t *buffer; - - int16_t quant_matrixes[4][64]; - VLC vlcs[3][4]; - int qscale[4]; ///< quantizer scale calculated from quant_matrixes - - int org_height; /* size given at codec init */ - int first_picture; /* true if decoding first picture */ - int interlaced; /* true if interlaced */ - int bottom_field; /* true if bottom field */ - int lossless; - int ls; - int progressive; - int rgb; - int upscale_h; - int chroma_height; - int upscale_v; - int rct; /* standard rct */ - int pegasus_rct; /* pegasus reversible colorspace transform */ - int bits; /* bits per component */ - - int maxval; - int near; ///< near lossless bound (si 0 for lossless) - int t1,t2,t3; - int reset; ///< context halfing interval ?rename - - int width, height; - int mb_width, mb_height; - int nb_components; - int block_stride[MAX_COMPONENTS]; - int component_id[MAX_COMPONENTS]; - int h_count[MAX_COMPONENTS]; /* horizontal and vertical count for each component */ - int v_count[MAX_COMPONENTS]; - int comp_index[MAX_COMPONENTS]; - int dc_index[MAX_COMPONENTS]; - int ac_index[MAX_COMPONENTS]; - int nb_blocks[MAX_COMPONENTS]; - int h_scount[MAX_COMPONENTS]; - int v_scount[MAX_COMPONENTS]; - int h_max, v_max; /* maximum h and v counts */ - int quant_index[4]; /* quant table index for each component */ - int last_dc[MAX_COMPONENTS]; /* last DEQUANTIZED dc (XXX: am I right to do that ?) */ - AVFrame picture; /* picture structure */ - AVFrame *picture_ptr; /* pointer to picture structure */ - int got_picture; ///< we found a SOF and picture is valid, too. - int linesize[MAX_COMPONENTS]; ///< linesize << interlaced - int8_t *qscale_table; - DECLARE_ALIGNED(16, int16_t, block)[64]; - int16_t (*blocks[MAX_COMPONENTS])[64]; ///< intermediate sums (progressive mode) - uint8_t *last_nnz[MAX_COMPONENTS]; - uint64_t coefs_finished[MAX_COMPONENTS]; ///< bitmask of which coefs have been completely decoded (progressive mode) - ScanTable scantable; - DSPContext dsp; - HpelDSPContext hdsp; - - int restart_interval; - int restart_count; - - int buggy_avid; - int cs_itu601; - int interlace_polarity; - - int mjpb_skiptosod; - - int cur_scan; /* current scan, used by JPEG-LS */ - int flipped; /* true if picture is flipped */ - - uint16_t (*ljpeg_buffer)[4]; - unsigned int ljpeg_buffer_size; - - int extern_huff; -} MJpegDecodeContext; - -int ff_mjpeg_decode_init(AVCodecContext *avctx); -int ff_mjpeg_decode_end(AVCodecContext *avctx); -int ff_mjpeg_decode_frame(AVCodecContext *avctx, - void *data, int *got_frame, - AVPacket *avpkt); -int ff_mjpeg_decode_dqt(MJpegDecodeContext *s); -int ff_mjpeg_decode_dht(MJpegDecodeContext *s); -int ff_mjpeg_decode_sof(MJpegDecodeContext *s); -int ff_mjpeg_decode_sos(MJpegDecodeContext *s, - const uint8_t *mb_bitmask, const AVFrame *reference); -int ff_mjpeg_find_marker(MJpegDecodeContext *s, - const uint8_t **buf_ptr, const uint8_t *buf_end, - const uint8_t **unescaped_buf_ptr, int *unescaped_buf_size); - -#endif /* AVCODEC_MJPEGDEC_H */ |
