Implement support to RTMP, RTMPT, RTMPE, RTMPTE, RTMPS protocols via

librtmp.

Patch by Howard Chu <hyc * highlandsun * com>.

Originally committed as revision 22710 to svn://svn.ffmpeg.org/ffmpeg/trunk

Changelog

@@ -66,6 +66,7 @@ version <next>:
 - VorbisComment writing for FLAC, Ogg FLAC and Ogg Speex files
 - RTP depacketization of Theora
 - HTTP Digest authentication
+- RTMP/RTMPT/RTMPS/RTMPE/RTMPTE protocol support via librtmp
 
 
 

configure

@@ -177,6 +177,7 @@ External library support:
   --enable-libnut          enable NUT (de)muxing via libnut,
                            native (de)muxer exists [no]
   --enable-libopenjpeg     enable JPEG 2000 decoding via OpenJPEG [no]
+  --enable-librtmp         enable RTMP[E] support via librtmp [no]
   --enable-libschroedinger enable Dirac support via libschroedinger [no]
   --enable-libspeex        enable Speex decoding via libspeex [no]
   --enable-libtheora       enable Theora encoding via libtheora [no]
@@ -920,6 +921,7 @@ CONFIG_LIST="
     libopencore_amrnb
     libopencore_amrwb
     libopenjpeg
+    librtmp
     libschroedinger
     libspeex
     libtheora
@@ -2615,6 +2617,7 @@ enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
+enabled librtmp    && require  librtmp librtmp/rtmp.h RTMP_Init -lrtmp
 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
                            require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
@@ -2893,6 +2896,7 @@ echo "libnut enabled            ${libnut-no}"
 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
 echo "libopenjpeg enabled       ${libopenjpeg-no}"
+echo "librtmp enabled           ${librtmp-no}"
 echo "libschroedinger enabled   ${libschroedinger-no}"
 echo "libspeex enabled          ${libspeex-no}"
 echo "libtheora enabled         ${libtheora-no}"

libavformat/Makefile

@@ -274,7 +274,12 @@ OBJS-$(CONFIG_FILE_PROTOCOL)             += file.o
 OBJS-$(CONFIG_GOPHER_PROTOCOL)           += gopher.o
 OBJS-$(CONFIG_HTTP_PROTOCOL)             += http.o httpauth.o
 OBJS-$(CONFIG_PIPE_PROTOCOL)             += file.o
-OBJS-$(CONFIG_RTMP_PROTOCOL)             += rtmpproto.o rtmppkt.o
+
+# external or internal rtmp
+RTMP-OBJS-$(CONFIG_LIBRTMP)               = librtmp.o
+RTMP-OBJS-$(!CONFIG_LIBRTMP)              = rtmpproto.o rtmppkt.o
+OBJS-$(CONFIG_RTMP_PROTOCOL)             += $(RTMP-OBJS-yes)
+
 OBJS-$(CONFIG_RTP_PROTOCOL)              += rtpproto.o
 OBJS-$(CONFIG_TCP_PROTOCOL)              += tcp.o
 OBJS-$(CONFIG_UDP_PROTOCOL)              += udp.o

libavformat/allformats.c

@@ -218,6 +218,12 @@ void av_register_all(void)
     REGISTER_PROTOCOL (HTTP, http);
     REGISTER_PROTOCOL (PIPE, pipe);
     REGISTER_PROTOCOL (RTMP, rtmp);
+#if CONFIG_LIBRTMP
+    REGISTER_PROTOCOL (RTMP, rtmpt);
+    REGISTER_PROTOCOL (RTMP, rtmpe);
+    REGISTER_PROTOCOL (RTMP, rtmpte);
+    REGISTER_PROTOCOL (RTMP, rtmps);
+#endif
     REGISTER_PROTOCOL (RTP, rtp);
     REGISTER_PROTOCOL (TCP, tcp);
     REGISTER_PROTOCOL (UDP, udp);

libavformat/avformat.h

@@ -22,8 +22,8 @@
 #define AVFORMAT_AVFORMAT_H
 
 #define LIBAVFORMAT_VERSION_MAJOR 52
-#define LIBAVFORMAT_VERSION_MINOR 57
+#define LIBAVFORMAT_VERSION_MINOR 58
-#define LIBAVFORMAT_VERSION_MICRO  1
+#define LIBAVFORMAT_VERSION_MICRO  0
 
 #define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \
                                                LIBAVFORMAT_VERSION_MINOR, \

libavformat/librtmp.c

@@ -0,0 +1,206 @@
+/*
+ * 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 libavformat/librtmp.c
+ * RTMP protocol based on http://rtmpdump.mplayerhq.hu librtmp
+ */
+
+#include "avformat.h"
+
+#include <librtmp/rtmp.h>
+#include <librtmp/log.h>
+
+static int rtmp_close(URLContext *s)
+{
+    RTMP *r = s->priv_data;
+
+    RTMP_Close(r);
+    av_free(r);
+    return 0;
+}
+
+/**
+ * Opens RTMP connection and verifies 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_Init(r);
+    if (!RTMP_SetupURL(r, s->filename)) {
+        rc = -1;
+        goto fail;
+    }
+
+    if (flags & URL_WRONLY)
+        r->Link.protocol |= RTMP_FEATURE_WRITE;
+
+    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, 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 (pause)
+        r->m_pauseStamp =
+            r->m_channelTimestamp[r->m_mediaChannel];
+    if (!RTMP_SendPause(r, pause, r->m_pauseStamp))
+        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_NOTSUPP;
+
+    /* seeks are in milliseconds */
+    timestamp = av_rescale(timestamp, AV_TIME_BASE, 1000);
+    if (!RTMP_SendSeek(r, timestamp))
+        return -1;
+    return timestamp;
+}
+
+static int rtmp_get_file_handle(URLContext *s)
+{
+    RTMP *r = s->priv_data;
+
+    return r->m_sb.sb_socket;
+}
+
+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
+};
+
+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
+};
+
+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
+};
+
+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
+};
+
+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
+};