diff options
Diffstat (limited to 'libavcodec/dv_profile.h')
| -rw-r--r-- | libavcodec/dv_profile.h | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/libavcodec/dv_profile.h b/libavcodec/dv_profile.h index 5ad7b4f649..9380a66f07 100644 --- a/libavcodec/dv_profile.h +++ b/libavcodec/dv_profile.h @@ -1,18 +1,18 @@ /* - * This file is part of Libav. + * This file is part of FFmpeg. * - * Libav is free software; you can redistribute it and/or + * 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. * - * Libav is distributed in the hope that it will be useful, + * 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 Libav; if not, write to the Free Software + * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ @@ -25,6 +25,11 @@ #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 */ + + /* * AVDVProfile is used to express the differences between various * DV flavors. For now it's primarily used for differentiating @@ -69,4 +74,10 @@ const AVDVProfile *av_dv_frame_profile(const AVDVProfile *sys, */ const AVDVProfile *av_dv_codec_profile(int width, int height, enum AVPixelFormat pix_fmt); +/** + * Get a DV profile for the provided stream parameters. + * The frame rate is used as a best-effort parameter. + */ +const AVDVProfile *av_dv_codec_profile2(int width, int height, enum AVPixelFormat pix_fmt, AVRational frame_rate); + #endif /* AVCODEC_DV_PROFILE_H */ |