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54 lines
2.2 KiB
54 lines
2.2 KiB
/* |
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* Common functions for the frame{crc,md5} muxers |
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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 "libavutil/channel_layout.h" |
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#include "internal.h" |
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#include "version.h" |
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int ff_framehash_write_header(AVFormatContext *s) |
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{ |
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int i; |
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if (s->nb_streams && !(s->flags & AVFMT_FLAG_BITEXACT)) |
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avio_printf(s->pb, "#software: %s\n", LIBAVFORMAT_IDENT); |
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for (i = 0; i < s->nb_streams; i++) { |
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AVStream *st = s->streams[i]; |
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AVCodecParameters *avctx = st->codecpar; |
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char buf[256] = { 0 }; |
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avio_printf(s->pb, "#tb %d: %d/%d\n", i, st->time_base.num, st->time_base.den); |
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avio_printf(s->pb, "#media_type %d: %s\n", i, av_get_media_type_string(avctx->codec_type)); |
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avio_printf(s->pb, "#codec_id %d: %s\n", i, avcodec_get_name(avctx->codec_id)); |
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switch (avctx->codec_type) { |
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case AVMEDIA_TYPE_AUDIO: { |
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int ret = av_channel_layout_describe(&avctx->ch_layout, buf, sizeof(buf)); |
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if (ret < 0) |
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return ret; |
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avio_printf(s->pb, "#sample_rate %d: %d\n", i,avctx->sample_rate); |
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avio_printf(s->pb, "#channel_layout_name %d: %s\n", i, buf); |
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break; |
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} |
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case AVMEDIA_TYPE_VIDEO: |
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avio_printf(s->pb, "#dimensions %d: %dx%d\n", i, avctx->width, avctx->height); |
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avio_printf(s->pb, "#sar %d: %d/%d\n", i, st->sample_aspect_ratio.num, st->sample_aspect_ratio.den); |
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break; |
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} |
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} |
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return 0; |
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}
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