diff options
| author | Michael Niedermayer <michaelni@gmx.at> | 2013-04-22 19:41:31 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2013-04-22 20:00:54 +0200 |
| commit | e2e9bee2daef9d5d5169f5360737eec8b76d7e0c (patch) | |
| tree | 22ba6e50d34a036832d4ef8f903df335d3c9d63a /libavcodec/mqc.h | |
| parent | c1c2b0b3390482bba39534f2f125d97e8964d7d5 (diff) | |
| parent | f13888afcc5e528b80e4ae5bc4f0d9dadc76f6aa (diff) | |
Merge remote-tracking branch 'qatar/master'
* qatar/master:
avcodec: Bump minor for JPEG 2000 decoder
JPEG 2000 decoder for DCinema
The mqc code is merged, the rest is added independent of
the existing jpeg2000 decoder and encoder.
Conflicts:
Changelog
doc/general.texi
libavcodec/Makefile
libavcodec/allcodecs.c
libavcodec/mqc.c
libavcodec/mqc.h
libavcodec/mqcdec.c
libavcodec/version.h
tests/fate/video.mak
Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/mqc.h')
| -rw-r--r-- | libavcodec/mqc.h | 30 |
1 files changed, 21 insertions, 9 deletions
diff --git a/libavcodec/mqc.h b/libavcodec/mqc.h index b28c13ec48..a0112d1159 100644 --- a/libavcodec/mqc.h +++ b/libavcodec/mqc.h @@ -1,5 +1,5 @@ /* - * MQ-coder + * MQ-coder: structures, common and decoder functions * Copyright (c) 2007 Kamil Nowosad * * This file is part of FFmpeg. @@ -28,16 +28,16 @@ * @author Kamil Nowosad */ -#include "avcodec.h" +#include <stdint.h> #define MQC_CX_UNI 17 #define MQC_CX_RL 18 -extern uint16_t ff_mqc_qe[2*47]; -extern uint8_t ff_mqc_nlps[2*47]; -extern uint8_t ff_mqc_nmps[2*47]; +extern uint16_t ff_mqc_qe[2 * 47]; +extern uint8_t ff_mqc_nlps[2 * 47]; +extern uint8_t ff_mqc_nmps[2 * 47]; -typedef struct { +typedef struct MqcState { uint8_t *bp, *bpstart; unsigned int a; unsigned int c; @@ -61,15 +61,27 @@ int ff_mqc_flush(MqcState *mqc); /* decoder */ -/** initialize the decoder */ +/** + * Initialize MQ-decoder. + * @param mqc MQ decoder state + * @param bp byte poiter + */ void ff_mqc_initdec(MqcState *mqc, uint8_t *bp); -/** returns decoded bit with context cx */ +/** + * MQ decoder. + * @param mqc MQ decoder state + * @param cxstate Context + * @return Decision (0 ot 1) + */ int ff_mqc_decode(MqcState *mqc, uint8_t *cxstate); /* common */ -/** initialize the contexts */ +/** + * MQ-coder context initialisations. + * @param mqc MQ-coder context + */ void ff_mqc_init_contexts(MqcState *mqc); #endif /* AVCODEC_MQC_H */ |