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223 lines
5.3 KiB
223 lines
5.3 KiB
/* |
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* RTMP network protocol |
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* Copyright (c) 2010 Howard Chu |
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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 |
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* RTMP protocol based on http://rtmpdump.mplayerhq.hu/ librtmp |
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*/ |
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#include "avformat.h" |
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#include <librtmp/rtmp.h> |
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#include <librtmp/log.h> |
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static void rtmp_log(int level, const char *fmt, va_list args) |
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{ |
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switch (level) { |
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default: |
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case RTMP_LOGCRIT: level = AV_LOG_FATAL; break; |
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case RTMP_LOGERROR: level = AV_LOG_ERROR; break; |
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case RTMP_LOGWARNING: level = AV_LOG_WARNING; break; |
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case RTMP_LOGINFO: level = AV_LOG_INFO; break; |
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case RTMP_LOGDEBUG: level = AV_LOG_VERBOSE; break; |
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case RTMP_LOGDEBUG2: level = AV_LOG_DEBUG; break; |
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} |
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av_vlog(NULL, level, fmt, args); |
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av_log(NULL, level, "\n"); |
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} |
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static int rtmp_close(URLContext *s) |
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{ |
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RTMP *r = s->priv_data; |
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RTMP_Close(r); |
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av_free(r); |
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return 0; |
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} |
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/** |
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* Open RTMP connection and verify that the stream can be played. |
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* |
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* URL syntax: rtmp://server[:port][/app][/playpath][ keyword=value]... |
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* where 'app' is first one or two directories in the path |
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* (e.g. /ondemand/, /flash/live/, etc.) |
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* and 'playpath' is a file name (the rest of the path, |
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* may be prefixed with "mp4:") |
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* |
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* Additional RTMP library options may be appended as |
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* space-separated key-value pairs. |
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*/ |
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static int rtmp_open(URLContext *s, const char *uri, int flags) |
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{ |
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RTMP *r; |
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int rc; |
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r = av_mallocz(sizeof(RTMP)); |
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if (!r) |
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return AVERROR(ENOMEM); |
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switch (av_log_get_level()) { |
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default: |
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case AV_LOG_FATAL: rc = RTMP_LOGCRIT; break; |
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case AV_LOG_ERROR: rc = RTMP_LOGERROR; break; |
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case AV_LOG_WARNING: rc = RTMP_LOGWARNING; break; |
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case AV_LOG_INFO: rc = RTMP_LOGINFO; break; |
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case AV_LOG_VERBOSE: rc = RTMP_LOGDEBUG; break; |
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case AV_LOG_DEBUG: rc = RTMP_LOGDEBUG2; break; |
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} |
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RTMP_LogSetLevel(rc); |
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RTMP_LogSetCallback(rtmp_log); |
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RTMP_Init(r); |
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if (!RTMP_SetupURL(r, s->filename)) { |
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rc = -1; |
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goto fail; |
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} |
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if (flags & URL_WRONLY) |
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RTMP_EnableWrite(r); |
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if (!RTMP_Connect(r, NULL) || !RTMP_ConnectStream(r, 0)) { |
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rc = -1; |
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goto fail; |
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} |
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s->priv_data = r; |
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s->is_streamed = 1; |
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return 0; |
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fail: |
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av_free(r); |
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return rc; |
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} |
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static int rtmp_write(URLContext *s, const uint8_t *buf, int size) |
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{ |
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RTMP *r = s->priv_data; |
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return RTMP_Write(r, buf, size); |
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} |
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static int rtmp_read(URLContext *s, uint8_t *buf, int size) |
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{ |
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RTMP *r = s->priv_data; |
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return RTMP_Read(r, buf, size); |
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} |
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static int rtmp_read_pause(URLContext *s, int pause) |
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{ |
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RTMP *r = s->priv_data; |
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if (!RTMP_Pause(r, pause)) |
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return -1; |
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return 0; |
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} |
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static int64_t rtmp_read_seek(URLContext *s, int stream_index, |
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int64_t timestamp, int flags) |
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{ |
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RTMP *r = s->priv_data; |
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if (flags & AVSEEK_FLAG_BYTE) |
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return AVERROR(ENOSYS); |
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/* seeks are in milliseconds */ |
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if (stream_index < 0) |
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timestamp = av_rescale_rnd(timestamp, 1000, AV_TIME_BASE, |
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flags & AVSEEK_FLAG_BACKWARD ? AV_ROUND_DOWN : AV_ROUND_UP); |
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if (!RTMP_SendSeek(r, timestamp)) |
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return -1; |
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return timestamp; |
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} |
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static int rtmp_get_file_handle(URLContext *s) |
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{ |
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RTMP *r = s->priv_data; |
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return RTMP_Socket(r); |
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} |
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URLProtocol rtmp_protocol = { |
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"rtmp", |
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rtmp_open, |
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rtmp_read, |
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rtmp_write, |
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NULL, /* seek */ |
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rtmp_close, |
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NULL, /* next */ |
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rtmp_read_pause, |
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rtmp_read_seek, |
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rtmp_get_file_handle |
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}; |
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URLProtocol rtmpt_protocol = { |
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"rtmpt", |
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rtmp_open, |
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rtmp_read, |
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rtmp_write, |
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NULL, /* seek */ |
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rtmp_close, |
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NULL, /* next */ |
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rtmp_read_pause, |
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rtmp_read_seek, |
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rtmp_get_file_handle |
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}; |
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URLProtocol rtmpe_protocol = { |
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"rtmpe", |
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rtmp_open, |
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rtmp_read, |
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rtmp_write, |
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NULL, /* seek */ |
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rtmp_close, |
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NULL, /* next */ |
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rtmp_read_pause, |
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rtmp_read_seek, |
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rtmp_get_file_handle |
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}; |
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URLProtocol rtmpte_protocol = { |
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"rtmpte", |
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rtmp_open, |
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rtmp_read, |
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rtmp_write, |
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NULL, /* seek */ |
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rtmp_close, |
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NULL, /* next */ |
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rtmp_read_pause, |
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rtmp_read_seek, |
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rtmp_get_file_handle |
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}; |
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URLProtocol rtmps_protocol = { |
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"rtmps", |
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rtmp_open, |
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rtmp_read, |
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rtmp_write, |
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NULL, /* seek */ |
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rtmp_close, |
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NULL, /* next */ |
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rtmp_read_pause, |
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rtmp_read_seek, |
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rtmp_get_file_handle |
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};
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