* RTMP network protocol
* Copyright (c) 2010 Howard Chu
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav 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,
+ * Libav 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
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
- * @file libavformat/librtmp.c
+ * @file
* RTMP protocol based on http://rtmpdump.mplayerhq.hu/ librtmp
*/
+#include "libavutil/avstring.h"
+#include "libavutil/mathematics.h"
+#include "libavutil/opt.h"
#include "avformat.h"
+#include "url.h"
#include <librtmp/rtmp.h>
#include <librtmp/log.h>
+typedef struct LibRTMPContext {
+ const AVClass *class;
+ RTMP rtmp;
+ char *app;
+ char *playpath;
+} LibRTMPContext;
+
static void rtmp_log(int level, const char *fmt, va_list args)
{
switch (level) {
static int rtmp_close(URLContext *s)
{
- RTMP *r = s->priv_data;
+ LibRTMPContext *ctx = s->priv_data;
+ RTMP *r = &ctx->rtmp;
RTMP_Close(r);
- av_free(r);
return 0;
}
/**
- * Opens RTMP connection and verifies that the stream can be played.
+ * 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
*/
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);
+ LibRTMPContext *ctx = s->priv_data;
+ RTMP *r = &ctx->rtmp;
+ int rc = 0, level;
+ char *filename = s->filename;
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;
+ case AV_LOG_FATAL: level = RTMP_LOGCRIT; break;
+ case AV_LOG_ERROR: level = RTMP_LOGERROR; break;
+ case AV_LOG_WARNING: level = RTMP_LOGWARNING; break;
+ case AV_LOG_INFO: level = RTMP_LOGINFO; break;
+ case AV_LOG_VERBOSE: level = RTMP_LOGDEBUG; break;
+ case AV_LOG_DEBUG: level = RTMP_LOGDEBUG2; break;
}
- RTMP_LogSetLevel(rc);
+ RTMP_LogSetLevel(level);
RTMP_LogSetCallback(rtmp_log);
+ if (ctx->app || ctx->playpath) {
+ int len = strlen(s->filename) + 1;
+ if (ctx->app) len += strlen(ctx->app) + sizeof(" app=");
+ if (ctx->playpath) len += strlen(ctx->playpath) + sizeof(" playpath=");
+
+ if (!(filename = av_malloc(len)))
+ return AVERROR(ENOMEM);
+
+ av_strlcpy(filename, s->filename, len);
+ if (ctx->app) {
+ av_strlcat(filename, " app=", len);
+ av_strlcat(filename, ctx->app, len);
+ }
+ if (ctx->playpath) {
+ av_strlcat(filename, " playpath=", len);
+ av_strlcat(filename, ctx->playpath, len);
+ }
+ }
+
RTMP_Init(r);
- if (!RTMP_SetupURL(r, s->filename)) {
- rc = -1;
+ if (!RTMP_SetupURL(r, filename)) {
+ rc = AVERROR_UNKNOWN;
goto fail;
}
- if (flags & URL_WRONLY)
- r->Link.protocol |= RTMP_FEATURE_WRITE;
+ if (flags & AVIO_FLAG_WRITE)
+ RTMP_EnableWrite(r);
if (!RTMP_Connect(r, NULL) || !RTMP_ConnectStream(r, 0)) {
- rc = -1;
+ rc = AVERROR_UNKNOWN;
goto fail;
}
- s->priv_data = r;
s->is_streamed = 1;
- return 0;
+ rc = 0;
fail:
- av_free(r);
+ if (filename != s->filename)
+ av_freep(&filename);
return rc;
}
-static int rtmp_write(URLContext *s, uint8_t *buf, int size)
+static int rtmp_write(URLContext *s, const uint8_t *buf, int size)
{
- RTMP *r = s->priv_data;
+ LibRTMPContext *ctx = s->priv_data;
+ RTMP *r = &ctx->rtmp;
return RTMP_Write(r, buf, size);
}
static int rtmp_read(URLContext *s, uint8_t *buf, int size)
{
- RTMP *r = s->priv_data;
+ LibRTMPContext *ctx = s->priv_data;
+ RTMP *r = &ctx->rtmp;
return RTMP_Read(r, buf, size);
}
static int rtmp_read_pause(URLContext *s, int pause)
{
- RTMP *r = s->priv_data;
+ LibRTMPContext *ctx = s->priv_data;
+ RTMP *r = &ctx->rtmp;
- if (pause)
- r->m_pauseStamp =
- r->m_channelTimestamp[r->m_mediaChannel];
- if (!RTMP_SendPause(r, pause, r->m_pauseStamp))
- return -1;
+ if (!RTMP_Pause(r, pause))
+ return AVERROR_UNKNOWN;
return 0;
}
static int64_t rtmp_read_seek(URLContext *s, int stream_index,
int64_t timestamp, int flags)
{
- RTMP *r = s->priv_data;
+ LibRTMPContext *ctx = s->priv_data;
+ RTMP *r = &ctx->rtmp;
if (flags & AVSEEK_FLAG_BYTE)
return AVERROR(ENOSYS);
/* seeks are in milliseconds */
- timestamp = av_rescale(timestamp, AV_TIME_BASE, 1000);
+ 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 AVERROR_UNKNOWN;
return timestamp;
}
static int rtmp_get_file_handle(URLContext *s)
{
- RTMP *r = s->priv_data;
+ LibRTMPContext *ctx = s->priv_data;
+ RTMP *r = &ctx->rtmp;
- return r->m_sb.sb_socket;
+ return RTMP_Socket(r);
}
-URLProtocol rtmp_protocol = {
- "rtmp",
- rtmp_open,
- rtmp_read,
- rtmp_write,
- NULL, /* seek */
- rtmp_close,
- NULL, /* next */
- rtmp_read_pause,
- rtmp_read_seek,
- rtmp_get_file_handle
+#define OFFSET(x) offsetof(LibRTMPContext, x)
+#define DEC AV_OPT_FLAG_DECODING_PARAM
+#define ENC AV_OPT_FLAG_ENCODING_PARAM
+static const AVOption options[] = {
+ {"rtmp_app", "Name of application to connect to on the RTMP server", OFFSET(app), AV_OPT_TYPE_STRING, {.str = NULL }, 0, 0, DEC|ENC},
+ {"rtmp_playpath", "Stream identifier to play or to publish", OFFSET(playpath), AV_OPT_TYPE_STRING, {.str = NULL }, 0, 0, DEC|ENC},
+ { NULL },
+};
+
+#define RTMP_CLASS(flavor)\
+static const AVClass lib ## flavor ## _class = {\
+ .class_name = "lib" #flavor " protocol",\
+ .item_name = av_default_item_name,\
+ .option = options,\
+ .version = LIBAVUTIL_VERSION_INT,\
+};
+
+RTMP_CLASS(rtmp)
+URLProtocol ff_librtmp_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,
+ .priv_data_size = sizeof(LibRTMPContext),
+ .priv_data_class = &librtmp_class,
+ .flags = URL_PROTOCOL_FLAG_NETWORK,
};
-URLProtocol rtmpt_protocol = {
- "rtmpt",
- rtmp_open,
- rtmp_read,
- rtmp_write,
- NULL, /* seek */
- rtmp_close,
- NULL, /* next */
- rtmp_read_pause,
- rtmp_read_seek,
- rtmp_get_file_handle
+RTMP_CLASS(rtmpt)
+URLProtocol ff_librtmpt_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,
+ .priv_data_size = sizeof(LibRTMPContext),
+ .priv_data_class = &librtmpt_class,
+ .flags = URL_PROTOCOL_FLAG_NETWORK,
};
-URLProtocol rtmpe_protocol = {
- "rtmpe",
- rtmp_open,
- rtmp_read,
- rtmp_write,
- NULL, /* seek */
- rtmp_close,
- NULL, /* next */
- rtmp_read_pause,
- rtmp_read_seek,
- rtmp_get_file_handle
+RTMP_CLASS(rtmpe)
+URLProtocol ff_librtmpe_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,
+ .priv_data_size = sizeof(LibRTMPContext),
+ .priv_data_class = &librtmpe_class,
+ .flags = URL_PROTOCOL_FLAG_NETWORK,
};
-URLProtocol rtmpte_protocol = {
- "rtmpte",
- rtmp_open,
- rtmp_read,
- rtmp_write,
- NULL, /* seek */
- rtmp_close,
- NULL, /* next */
- rtmp_read_pause,
- rtmp_read_seek,
- rtmp_get_file_handle
+RTMP_CLASS(rtmpte)
+URLProtocol ff_librtmpte_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,
+ .priv_data_size = sizeof(LibRTMPContext),
+ .priv_data_class = &librtmpte_class,
+ .flags = URL_PROTOCOL_FLAG_NETWORK,
};
-URLProtocol rtmps_protocol = {
- "rtmps",
- rtmp_open,
- rtmp_read,
- rtmp_write,
- NULL, /* seek */
- rtmp_close,
- NULL, /* next */
- rtmp_read_pause,
- rtmp_read_seek,
- rtmp_get_file_handle
+RTMP_CLASS(rtmps)
+URLProtocol ff_librtmps_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,
+ .priv_data_size = sizeof(LibRTMPContext),
+ .priv_data_class = &librtmps_class,
+ .flags = URL_PROTOCOL_FLAG_NETWORK,
};
projects / ffmpeg / blobdiff