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321a3c244d
It has been included since af5f434f8c
for deprecation reasons, but removing it has been forgotten after
it had served is purpose. So remove it.
For convenience, include version.h instead as LIBAVUTIL_VERSION_INT
is supposed to be used when creating AVClasses.
Reviewed-by: Martin Storsjö <martin@martin.st>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
84 lines
3.1 KiB
C
84 lines
3.1 KiB
C
/*
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* AVC helper functions for muxers
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* Copyright (c) 2008 Aurelien Jacobs <aurel@gnuage.org>
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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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#ifndef AVFORMAT_AVC_H
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#define AVFORMAT_AVC_H
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#include <stdint.h>
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#include "libavutil/rational.h"
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#include "avio.h"
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typedef struct NALU {
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int offset;
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uint32_t size;
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} NALU;
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typedef struct NALUList {
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NALU *nalus;
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unsigned nalus_array_size;
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unsigned nb_nalus; ///< valid entries in nalus
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} NALUList;
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/* This function will parse the given annex B buffer and create
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* a NALUList from it. This list can be passed to ff_nal_units_write_list()
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* to write the access unit reformatted to mp4.
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*
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* @param list A NALUList. The list->nalus and list->nalus_array_size
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* must be valid when calling this function and may be updated.
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* nb_nalus is set by this function on success.
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* @param buf buffer containing annex B H.264 or H.265. Must be padded.
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* @param size size of buf, excluding padding.
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* @return < 0 on error, the size of the mp4-style packet on success.
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*/
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int ff_nal_units_create_list(NALUList *list, const uint8_t *buf, int size);
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/* Writes a NALUList to the specified AVIOContext. The list must originate
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* from ff_nal_units_create_list() with the same buf. */
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void ff_nal_units_write_list(const NALUList *list, AVIOContext *pb,
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const uint8_t *buf);
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int ff_avc_parse_nal_units(AVIOContext *s, const uint8_t *buf, int size);
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int ff_avc_parse_nal_units_buf(const uint8_t *buf_in, uint8_t **buf, int *size);
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int ff_isom_write_avcc(AVIOContext *pb, const uint8_t *data, int len);
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const uint8_t *ff_avc_find_startcode(const uint8_t *p, const uint8_t *end);
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int ff_avc_write_annexb_extradata(const uint8_t *in, uint8_t **buf, int *size);
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const uint8_t *ff_avc_mp4_find_startcode(const uint8_t *start,
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const uint8_t *end,
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int nal_length_size);
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uint8_t *ff_nal_unit_extract_rbsp(const uint8_t *src, uint32_t src_len,
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uint32_t *dst_len, int header_len);
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typedef struct {
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uint8_t id;
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uint8_t profile_idc;
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uint8_t level_idc;
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uint8_t constraint_set_flags;
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uint8_t chroma_format_idc;
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uint8_t bit_depth_luma;
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uint8_t bit_depth_chroma;
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uint8_t frame_mbs_only_flag;
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AVRational sar;
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} H264SPS;
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int ff_avc_decode_sps(H264SPS *sps, const uint8_t *buf, int buf_size);
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#endif /* AVFORMAT_AVC_H */
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