mirror of
https://git.videolan.org/git/ffmpeg.git
synced 2024-08-21 16:55:05 +02:00
![Michael Niedermayer](/assets/img/avatar_default.png)
* commit '716d413c13981da15323c7a3821860536eefdbbb': Replace PIX_FMT_* -> AV_PIX_FMT_*, PixelFormat -> AVPixelFormat Conflicts: doc/examples/muxing.c ffmpeg.h ffmpeg_filter.c ffmpeg_opt.c ffplay.c ffprobe.c libavcodec/8bps.c libavcodec/aasc.c libavcodec/aura.c libavcodec/avcodec.h libavcodec/avs.c libavcodec/bfi.c libavcodec/bmp.c libavcodec/bmpenc.c libavcodec/c93.c libavcodec/cscd.c libavcodec/cyuv.c libavcodec/dpx.c libavcodec/dpxenc.c libavcodec/eatgv.c libavcodec/escape124.c libavcodec/ffv1.c libavcodec/flashsv.c libavcodec/fraps.c libavcodec/h264.c libavcodec/huffyuv.c libavcodec/iff.c libavcodec/imgconvert.c libavcodec/indeo3.c libavcodec/kmvc.c libavcodec/libopenjpegdec.c libavcodec/libopenjpegenc.c libavcodec/libx264.c libavcodec/ljpegenc.c libavcodec/mjpegdec.c libavcodec/mjpegenc.c libavcodec/motionpixels.c libavcodec/mpeg12.c libavcodec/mpeg12enc.c libavcodec/mpeg4videodec.c libavcodec/mpegvideo_enc.c libavcodec/pamenc.c libavcodec/pcxenc.c libavcodec/pgssubdec.c libavcodec/pngdec.c libavcodec/pngenc.c libavcodec/pnm.c libavcodec/pnmdec.c libavcodec/pnmenc.c libavcodec/ptx.c libavcodec/qdrw.c libavcodec/qpeg.c libavcodec/qtrleenc.c libavcodec/raw.c libavcodec/rawdec.c libavcodec/rl2.c libavcodec/sgidec.c libavcodec/sgienc.c libavcodec/snowdec.c libavcodec/snowenc.c libavcodec/sunrast.c libavcodec/targa.c libavcodec/targaenc.c libavcodec/tiff.c libavcodec/tiffenc.c libavcodec/tmv.c libavcodec/truemotion2.c libavcodec/utils.c libavcodec/vb.c libavcodec/vp3.c libavcodec/wnv1.c libavcodec/xl.c libavcodec/xwddec.c libavcodec/xwdenc.c libavcodec/yop.c libavdevice/v4l2.c libavdevice/x11grab.c libavfilter/avfilter.c libavfilter/avfilter.h libavfilter/buffersrc.c libavfilter/drawutils.c libavfilter/formats.c libavfilter/src_movie.c libavfilter/vf_ass.c libavfilter/vf_drawtext.c libavfilter/vf_fade.c libavfilter/vf_format.c libavfilter/vf_hflip.c libavfilter/vf_lut.c libavfilter/vf_overlay.c libavfilter/vf_pad.c libavfilter/vf_scale.c libavfilter/vf_transpose.c libavfilter/vf_yadif.c libavfilter/video.c libavfilter/vsrc_testsrc.c libavformat/movenc.c libavformat/mxf.h libavformat/utils.c libavformat/yuv4mpeg.c libavutil/imgutils.c libavutil/pixdesc.c libswscale/input.c libswscale/output.c libswscale/swscale_internal.h libswscale/swscale_unscaled.c libswscale/utils.c libswscale/x86/swscale_template.c libswscale/x86/yuv2rgb.c libswscale/x86/yuv2rgb_template.c libswscale/yuv2rgb.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
79 lines
3.6 KiB
C
79 lines
3.6 KiB
C
/*
|
|
* This file is part of Libav.
|
|
*
|
|
* Libav 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.
|
|
*
|
|
* Libav 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 Libav; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#ifndef AVCODEC_DV_PROFILE_H
|
|
#define AVCODEC_DV_PROFILE_H
|
|
|
|
#include <stdint.h>
|
|
|
|
#include "libavutil/pixfmt.h"
|
|
#include "libavutil/rational.h"
|
|
#include "avcodec.h"
|
|
|
|
/* minimum number of bytes to read from a DV stream in order to
|
|
determine the profile */
|
|
#define DV_PROFILE_BYTES (6*80) /* 6 DIF blocks */
|
|
|
|
typedef struct DVwork_chunk {
|
|
uint16_t buf_offset;
|
|
uint16_t mb_coordinates[5];
|
|
} DVwork_chunk;
|
|
|
|
/*
|
|
* DVprofile is used to express the differences between various
|
|
* DV flavors. For now it's primarily used for differentiating
|
|
* 525/60 and 625/50, but the plans are to use it for various
|
|
* DV specs as well (e.g. SMPTE314M vs. IEC 61834).
|
|
*/
|
|
typedef struct DVprofile {
|
|
int dsf; /* value of the dsf in the DV header */
|
|
int video_stype; /* stype for VAUX source pack */
|
|
int frame_size; /* total size of one frame in bytes */
|
|
int difseg_size; /* number of DIF segments per DIF channel */
|
|
int n_difchan; /* number of DIF channels per frame */
|
|
AVRational time_base; /* 1/framerate */
|
|
int ltc_divisor; /* FPS from the LTS standpoint */
|
|
int height; /* picture height in pixels */
|
|
int width; /* picture width in pixels */
|
|
AVRational sar[2]; /* sample aspect ratios for 4:3 and 16:9 */
|
|
DVwork_chunk *work_chunks; /* each thread gets its own chunk of frame to work on */
|
|
uint32_t *idct_factor; /* set of iDCT factor tables */
|
|
enum AVPixelFormat pix_fmt; /* picture pixel format */
|
|
int bpm; /* blocks per macroblock */
|
|
const uint8_t *block_sizes; /* AC block sizes, in bits */
|
|
int audio_stride; /* size of audio_shuffle table */
|
|
int audio_min_samples[3]; /* min amount of audio samples */
|
|
/* for 48kHz, 44.1kHz and 32kHz */
|
|
int audio_samples_dist[5]; /* how many samples are supposed to be */
|
|
/* in each frame in a 5 frames window */
|
|
const uint8_t (*audio_shuffle)[9]; /* PCM shuffling table */
|
|
} DVprofile;
|
|
|
|
const DVprofile* avpriv_dv_frame_profile(const DVprofile *sys,
|
|
const uint8_t* frame, unsigned buf_size);
|
|
const DVprofile* avpriv_dv_frame_profile2(AVCodecContext* codec, const DVprofile *sys,
|
|
const uint8_t* frame, unsigned buf_size);
|
|
const DVprofile* avpriv_dv_codec_profile(AVCodecContext* codec);
|
|
|
|
/**
|
|
* Print all allowed DV profiles into logctx at specified logging level.
|
|
*/
|
|
void ff_dv_print_profiles(void *logctx, int loglevel);
|
|
|
|
#endif /* AVCODEC_DV_PROFILE_H */
|