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Profile can be derived from values codecpar pixel format only with software formats. For hardware formats, we're forced to parse a frame header to get the required information. Signed-off-by: James Almer <jamrial@gmail.com>
64 lines
2.2 KiB
C
64 lines
2.2 KiB
C
/*
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* Copyright (c) 2016 Google Inc.
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* Copyright (c) 2016 KongQun Yang (kqyang@google.com)
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/**
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* @file
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* internal header for VPx codec configuration utilities.
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*/
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#ifndef AVFORMAT_VPCC_H
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#define AVFORMAT_VPCC_H
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#include "libavutil/rational.h"
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#include "libavcodec/codec_par.h"
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#include "avio.h"
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#include "avformat.h"
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typedef struct VPCC {
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int profile;
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int level;
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int bitdepth;
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int chroma_subsampling;
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int full_range_flag;
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} VPCC;
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/**
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* Writes VP codec configuration to the provided AVIOContext.
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*
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* @param s address of the AVFormatContext for the logging context.
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* @param pb address of the AVIOContext where the vpcC shall be written.
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* @param data address of a data array which contains coded bitstream data from
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* which codec information can be extracted. May be NULL.
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* @param len length of the data array.
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* @param par address of the AVCodecParameters which contains codec information.
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* @return >=0 in case of success, a negative value corresponding to an AVERROR
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* code in case of failure
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*/
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int ff_isom_write_vpcc(AVFormatContext *s, AVIOContext *pb,
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const uint8_t *data, int len,
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AVCodecParameters *par);
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int ff_isom_get_vpcc_features(AVFormatContext *s, AVCodecParameters *par,
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const uint8_t *data, int len,
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AVRational *frame_rate, VPCC *vpcc);
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#endif /* AVFORMAT_VPCC_H */
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