| /* |
| * RTMP network protocol |
| * Copyright (c) 2010 Howard Chu |
| * |
| * This file is part of FFmpeg. |
| * |
| * FFmpeg is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * FFmpeg is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with FFmpeg; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| /** |
| * @file |
| * RTMP protocol based on http://rtmpdump.mplayerhq.hu/ librtmp |
| */ |
| |
| #include "libavutil/mathematics.h" |
| #include "avformat.h" |
| #include "url.h" |
| |
| #include <librtmp/rtmp.h> |
| #include <librtmp/log.h> |
| |
| static void rtmp_log(int level, const char *fmt, va_list args) |
| { |
| switch (level) { |
| default: |
| case RTMP_LOGCRIT: level = AV_LOG_FATAL; break; |
| case RTMP_LOGERROR: level = AV_LOG_ERROR; break; |
| case RTMP_LOGWARNING: level = AV_LOG_WARNING; break; |
| case RTMP_LOGINFO: level = AV_LOG_INFO; break; |
| case RTMP_LOGDEBUG: level = AV_LOG_VERBOSE; break; |
| case RTMP_LOGDEBUG2: level = AV_LOG_DEBUG; break; |
| } |
| |
| av_vlog(NULL, level, fmt, args); |
| av_log(NULL, level, "\n"); |
| } |
| |
| static int rtmp_close(URLContext *s) |
| { |
| RTMP *r = s->priv_data; |
| |
| RTMP_Close(r); |
| av_free(r); |
| return 0; |
| } |
| |
| /** |
| * Open RTMP connection and verify that the stream can be played. |
| * |
| * URL syntax: rtmp://server[:port][/app][/playpath][ keyword=value]... |
| * where 'app' is first one or two directories in the path |
| * (e.g. /ondemand/, /flash/live/, etc.) |
| * and 'playpath' is a file name (the rest of the path, |
| * may be prefixed with "mp4:") |
| * |
| * Additional RTMP library options may be appended as |
| * space-separated key-value pairs. |
| */ |
| static int rtmp_open(URLContext *s, const char *uri, int flags) |
| { |
| RTMP *r; |
| int rc; |
| |
| r = av_mallocz(sizeof(RTMP)); |
| if (!r) |
| return AVERROR(ENOMEM); |
| |
| switch (av_log_get_level()) { |
| default: |
| case AV_LOG_FATAL: rc = RTMP_LOGCRIT; break; |
| case AV_LOG_ERROR: rc = RTMP_LOGERROR; break; |
| case AV_LOG_WARNING: rc = RTMP_LOGWARNING; break; |
| case AV_LOG_INFO: rc = RTMP_LOGINFO; break; |
| case AV_LOG_VERBOSE: rc = RTMP_LOGDEBUG; break; |
| case AV_LOG_DEBUG: rc = RTMP_LOGDEBUG2; break; |
| } |
| RTMP_LogSetLevel(rc); |
| RTMP_LogSetCallback(rtmp_log); |
| |
| RTMP_Init(r); |
| if (!RTMP_SetupURL(r, s->filename)) { |
| rc = -1; |
| goto fail; |
| } |
| |
| if (flags & AVIO_WRONLY) |
| RTMP_EnableWrite(r); |
| |
| if (!RTMP_Connect(r, NULL) || !RTMP_ConnectStream(r, 0)) { |
| rc = -1; |
| goto fail; |
| } |
| |
| s->priv_data = r; |
| s->is_streamed = 1; |
| return 0; |
| fail: |
| av_free(r); |
| return rc; |
| } |
| |
| static int rtmp_write(URLContext *s, const uint8_t *buf, int size) |
| { |
| RTMP *r = s->priv_data; |
| |
| return RTMP_Write(r, buf, size); |
| } |
| |
| static int rtmp_read(URLContext *s, uint8_t *buf, int size) |
| { |
| RTMP *r = s->priv_data; |
| |
| return RTMP_Read(r, buf, size); |
| } |
| |
| static int rtmp_read_pause(URLContext *s, int pause) |
| { |
| RTMP *r = s->priv_data; |
| |
| if (!RTMP_Pause(r, pause)) |
| return -1; |
| return 0; |
| } |
| |
| static int64_t rtmp_read_seek(URLContext *s, int stream_index, |
| int64_t timestamp, int flags) |
| { |
| RTMP *r = s->priv_data; |
| |
| if (flags & AVSEEK_FLAG_BYTE) |
| return AVERROR(ENOSYS); |
| |
| /* seeks are in milliseconds */ |
| if (stream_index < 0) |
| timestamp = av_rescale_rnd(timestamp, 1000, AV_TIME_BASE, |
| flags & AVSEEK_FLAG_BACKWARD ? AV_ROUND_DOWN : AV_ROUND_UP); |
| |
| if (!RTMP_SendSeek(r, timestamp)) |
| return -1; |
| return timestamp; |
| } |
| |
| static int rtmp_get_file_handle(URLContext *s) |
| { |
| RTMP *r = s->priv_data; |
| |
| return RTMP_Socket(r); |
| } |
| |
| URLProtocol ff_rtmp_protocol = { |
| .name = "rtmp", |
| .url_open = rtmp_open, |
| .url_read = rtmp_read, |
| .url_write = rtmp_write, |
| .url_close = rtmp_close, |
| .url_read_pause = rtmp_read_pause, |
| .url_read_seek = rtmp_read_seek, |
| .url_get_file_handle = rtmp_get_file_handle |
| }; |
| |
| URLProtocol ff_rtmpt_protocol = { |
| .name = "rtmpt", |
| .url_open = rtmp_open, |
| .url_read = rtmp_read, |
| .url_write = rtmp_write, |
| .url_close = rtmp_close, |
| .url_read_pause = rtmp_read_pause, |
| .url_read_seek = rtmp_read_seek, |
| .url_get_file_handle = rtmp_get_file_handle |
| }; |
| |
| URLProtocol ff_rtmpe_protocol = { |
| .name = "rtmpe", |
| .url_open = rtmp_open, |
| .url_read = rtmp_read, |
| .url_write = rtmp_write, |
| .url_close = rtmp_close, |
| .url_read_pause = rtmp_read_pause, |
| .url_read_seek = rtmp_read_seek, |
| .url_get_file_handle = rtmp_get_file_handle |
| }; |
| |
| URLProtocol ff_rtmpte_protocol = { |
| .name = "rtmpte", |
| .url_open = rtmp_open, |
| .url_read = rtmp_read, |
| .url_write = rtmp_write, |
| .url_close = rtmp_close, |
| .url_read_pause = rtmp_read_pause, |
| .url_read_seek = rtmp_read_seek, |
| .url_get_file_handle = rtmp_get_file_handle |
| }; |
| |
| URLProtocol ff_rtmps_protocol = { |
| .name = "rtmps", |
| .url_open = rtmp_open, |
| .url_read = rtmp_read, |
| .url_write = rtmp_write, |
| .url_close = rtmp_close, |
| .url_read_pause = rtmp_read_pause, |
| .url_read_seek = rtmp_read_seek, |
| .url_get_file_handle = rtmp_get_file_handle |
| }; |