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* qatar/master: (47 commits) lavc: hide private symbols. lavc: deprecate img_get_alpha_info(). lavc: use avpriv_ prefix for ff_toupper4. lavc: use avpriv_ prefix for ff_copy_bits and align_put_bits. lavc: use avpriv_ prefix for ff_ac3_parse_header. lavc: use avpriv_ prefix for ff_frame_rate_tab. lavc: rename ff_find_start_code to avpriv_mpv_find_start_code lavc: use avpriv_ prefix for ff_split_xiph_headers. lavc: use avpriv_ prefix for ff_dirac_parse_sequence_header. lavc: use avpriv_ prefix for some dv symbols used in lavf. lavc: use avpriv_ prefix for some flac symbols used in lavf. lavc: use avpriv_ prefix for some mpeg4audio symbols used in lavf. lavc: use avpriv_ prefix for some mpegaudio symbols used in lavf. lavc: use avpriv_ prefix for ff_aac_parse_header(). lavf: hide private symbols. lavf: use avpriv_ prefix for some dv functions. lavf: use avpriv_ prefix for ff_new_chapter(). avcodec: add CODEC_CAP_DELAY note to avcodec_decode_audio3() documentation avcodec: clarify the CODEC_CAP_DELAY note in avcodec_decode_video2() avcodec: clarify documentation of CODEC_CAP_DELAY ... Conflicts: configure doc/general.texi libavcodec/Makefile libavcodec/aacdec.c libavcodec/allcodecs.c libavcodec/avcodec.h libavcodec/dv.c libavcodec/dvdata.c libavcodec/dvdata.h libavcodec/libspeexenc.c libavcodec/mpegvideo.c libavcodec/version.h libavformat/avidec.c libavformat/dv.c libavformat/dv.h libavformat/flvenc.c libavformat/mov.c libavformat/mp3enc.c libavformat/oggparsespeex.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
50 lines
1.6 KiB
C
50 lines
1.6 KiB
C
/*
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* raw FLAC muxer
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* Copyright (C) 2009 Justin Ruggles
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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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#include "libavcodec/flac.h"
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#include "libavcodec/bytestream.h"
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#include "avformat.h"
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#include "flacenc.h"
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int ff_flac_write_header(AVIOContext *pb, AVCodecContext *codec,
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int last_block)
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{
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uint8_t header[8] = {
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0x66, 0x4C, 0x61, 0x43, 0x00, 0x00, 0x00, 0x22
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};
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uint8_t *streaminfo;
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enum FLACExtradataFormat format;
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header[4] = last_block ? 0x80 : 0x00;
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if (!avpriv_flac_is_extradata_valid(codec, &format, &streaminfo))
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return -1;
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/* write "fLaC" stream marker and first metadata block header if needed */
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if (format == FLAC_EXTRADATA_FORMAT_STREAMINFO) {
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avio_write(pb, header, 8);
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}
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/* write STREAMINFO or full header */
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avio_write(pb, codec->extradata, codec->extradata_size);
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return 0;
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}
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