mirror of https://github.com/FFmpeg/FFmpeg.git
Originally committed as revision 11878 to svn://svn.ffmpeg.org/ffmpeg/trunkpull/126/head
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/*
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Copyright (C) 2008 Reimar Döffinger |
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Permission is hereby granted, free of charge, to any person |
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obtaining a copy of this software and associated documentation |
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files (the "Software"), to deal in the Software without |
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restriction, including without limitation the rights to use, copy, |
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modify, merge, publish, distribute, sublicense, and/or sell copies |
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of the Software, and to permit persons to whom the Software is |
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furnished to do so, subject to the following conditions: |
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The above copyright notice and this permission notice shall be |
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included in all copies or substantial portions of the Software. |
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
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NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT |
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HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
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WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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DEALINGS IN THE SOFTWARE. |
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**/ |
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#include <stdlib.h> |
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#include "avformat.h" |
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#include "bitstream.h" |
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#include "bytestream.h" |
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#include "bswap.h" |
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#include "oggdec.h" |
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#include "avstring.h" |
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static int speex_header(AVFormatContext *s, int idx) { |
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ogg_t *ogg = s->priv_data; |
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ogg_stream_t *os = ogg->streams + idx; |
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AVStream *st = s->streams[idx]; |
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uint8_t *p = os->buf + os->pstart; |
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if (os->psize < 80) |
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return 1; |
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st->codec->codec_type = CODEC_TYPE_AUDIO; |
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st->codec->codec_id = CODEC_ID_SPEEX; |
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st->codec->sample_rate = AV_RL32(p + 36); |
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st->codec->channels = AV_RL32(p + 48); |
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st->codec->extradata_size = os->psize; |
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st->codec->extradata = av_malloc(st->codec->extradata_size); |
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memcpy(st->codec->extradata, p, st->codec->extradata_size); |
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st->time_base.num = 1; |
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st->time_base.den = st->codec->sample_rate; |
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return 0; |
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} |
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ogg_codec_t speex_codec = { |
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.magic = "Speex ", |
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.magicsize = 8, |
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.header = speex_header |
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}; |
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