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91 lines
2.8 KiB
91 lines
2.8 KiB
/* |
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* Microsoft RTP/ASF support. |
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* Copyright (c) 2008 Ronald S. Bultje |
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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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/** |
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* @file libavformat/rtp_asf.c |
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* @brief Microsoft RTP/ASF support |
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* @author Ronald S. Bultje <rbultje@ronald.bitfreak.net> |
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*/ |
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#include <libavutil/base64.h> |
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#include <libavutil/avstring.h> |
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#include "rtp.h" |
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#include "rtp_asf.h" |
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#include "rtsp.h" |
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#include "asf.h" |
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void ff_wms_parse_sdp_a_line(AVFormatContext *s, const char *p) |
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{ |
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if (av_strstart(p, "pgmpu:data:application/vnd.ms.wms-hdr.asfv1;base64,", &p)) { |
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ByteIOContext pb; |
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RTSPState *rt = s->priv_data; |
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int len = strlen(p) * 6 / 8; |
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char *buf = av_mallocz(len); |
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av_base64_decode(buf, p, len); |
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init_put_byte(&pb, buf, len, 0, NULL, NULL, NULL, NULL); |
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if (rt->asf_ctx) { |
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av_close_input_stream(rt->asf_ctx); |
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rt->asf_ctx = NULL; |
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} |
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av_open_input_stream(&rt->asf_ctx, &pb, "", &asf_demuxer, NULL); |
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av_free(buf); |
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rt->asf_ctx->pb = NULL; |
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} |
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} |
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static int |
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asfrtp_parse_sdp_line (AVFormatContext *s, int stream_index, |
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PayloadContext *asf, const char *line) |
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{ |
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if (av_strstart(line, "stream:", &line)) { |
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RTSPState *rt = s->priv_data; |
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s->streams[stream_index]->id = strtol(line, NULL, 10); |
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if (rt->asf_ctx) { |
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int i; |
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for (i = 0; i < rt->asf_ctx->nb_streams; i++) { |
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if (s->streams[stream_index]->id == rt->asf_ctx->streams[i]->id) { |
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*s->streams[stream_index]->codec = |
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*rt->asf_ctx->streams[i]->codec; |
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rt->asf_ctx->streams[i]->codec->extradata_size = 0; |
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rt->asf_ctx->streams[i]->codec->extradata = NULL; |
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av_set_pts_info(s->streams[stream_index], 32, 1, 1000); |
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} |
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} |
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} |
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} |
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return 0; |
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} |
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#define RTP_ASF_HANDLER(n, s, t) \ |
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RTPDynamicProtocolHandler ff_ms_rtp_ ## n ## _handler = { \ |
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s, \ |
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t, \ |
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CODEC_ID_NONE, \ |
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asfrtp_parse_sdp_line, \ |
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}; |
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RTP_ASF_HANDLER(asf_pfv, "x-asf-pf", CODEC_TYPE_VIDEO); |
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RTP_ASF_HANDLER(asf_pfa, "x-asf-pf", CODEC_TYPE_AUDIO);
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