mirror of https://github.com/FFmpeg/FFmpeg.git
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>release/5.1
parent
746e7102be
commit
965cfc6684
20 changed files with 85 additions and 29 deletions
@ -0,0 +1,67 @@ |
||||
/*
|
||||
* MPEGVideo decoders header |
||||
* Copyright (c) 2000, 2001, 2002 Fabrice Bellard |
||||
* Copyright (c) 2002-2004 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 |
||||
* mpegvideo decoder header. |
||||
*/ |
||||
|
||||
#ifndef AVCODEC_MPEGVIDEODEC_H |
||||
#define AVCODEC_MPEGVIDEODEC_H |
||||
|
||||
#include "libavutil/frame.h" |
||||
#include "avcodec.h" |
||||
#include "get_bits.h" |
||||
#include "mpegpicture.h" |
||||
#include "mpegvideo.h" |
||||
#include "mpegvideodata.h" |
||||
|
||||
/**
|
||||
* Initialize the given MpegEncContext for decoding. |
||||
* the changed fields will not depend upon |
||||
* the prior state of the MpegEncContext. |
||||
*/ |
||||
void ff_mpv_decode_init(MpegEncContext *s, AVCodecContext *avctx); |
||||
|
||||
int ff_mpv_common_frame_size_change(MpegEncContext *s); |
||||
|
||||
int ff_mpv_frame_start(MpegEncContext *s, AVCodecContext *avctx); |
||||
void ff_mpv_report_decode_progress(MpegEncContext *s); |
||||
void ff_mpv_frame_end(MpegEncContext *s); |
||||
|
||||
int ff_mpv_export_qp_table(MpegEncContext *s, AVFrame *f, Picture *p, int qp_type); |
||||
int ff_mpeg_update_thread_context(AVCodecContext *dst, const AVCodecContext *src); |
||||
void ff_mpeg_draw_horiz_band(MpegEncContext *s, int y, int h); |
||||
void ff_mpeg_flush(AVCodecContext *avctx); |
||||
|
||||
void ff_print_debug_info(MpegEncContext *s, Picture *p, AVFrame *pict); |
||||
|
||||
static inline int mpeg_get_qscale(MpegEncContext *s) |
||||
{ |
||||
int qscale = get_bits(&s->gb, 5); |
||||
if (s->q_scale_type) |
||||
return ff_mpeg2_non_linear_qscale[qscale]; |
||||
else |
||||
return qscale << 1; |
||||
} |
||||
|
||||
#endif /* AVCODEC_MPEGVIDEODEC_H */ |
Loading…
Reference in new issue