diff options
Diffstat (limited to 'ffmpeg1/libavcodec/dv_profile.h')
| -rw-r--r-- | ffmpeg1/libavcodec/dv_profile.h | 78 |
1 files changed, 0 insertions, 78 deletions
diff --git a/ffmpeg1/libavcodec/dv_profile.h b/ffmpeg1/libavcodec/dv_profile.h deleted file mode 100644 index 97edce9..0000000 --- a/ffmpeg1/libavcodec/dv_profile.h +++ /dev/null @@ -1,78 +0,0 @@ -/* - * 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 */ |