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