libnemesi support, yet another rtsp/rtp library...

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@24584 b3059339-0415-0410-9bf9-f77b7e298cf2

4 files changed, 487 insertions, 1 deletions

diff --git a/libmpdemux/Makefile b/libmpdemux/Makefile
index ab9d6b87e8..9e565c122a 100644
--- a/libmpdemux/Makefile
+++ b/libmpdemux/Makefile
@@ -48,6 +48,7 @@ SRCS_COMMON = asfheader.c \
 SRCS_COMMON-$(GIF)                     += demux_gif.c
 SRCS_COMMON-$(LIBAVFORMAT)             += demux_lavf.c
 SRCS_COMMON-$(LIBDV)                   += demux_rawdv.c
+SRCS_COMMON-$(LIBNEMESI)               += demux_nemesi.c
 SRCS_COMMON-$(LIBNUT)                  += demux_nut.c
 SRCS_COMMON-$(LIBVORBIS)               += demux_ogg.c
 SRCS_COMMON-$(MUSEPACK)                += demux_mpc.c
diff --git a/libmpdemux/demux_nemesi.c b/libmpdemux/demux_nemesi.c
new file mode 100644
index 0000000000..b4b27ea314
--- /dev/null
+++ b/libmpdemux/demux_nemesi.c
@@ -0,0 +1,439 @@
+/*
+ *  Copyright (C) 2007 Alessandro Molina <amol.wrk@gmail.com>
+ *
+ *  MPlayer is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  MPlayer 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 General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with MPlayer; if not, write to the Free Software Foundation,
+ *  Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "demux_nemesi.h"
+#include "stheader.h"
+#define HAVE_STRUCT_SOCKADDR_STORAGE
+#include "nemesi/rtsp.h"
+#include "nemesi/rtp.h"
+
+int rtsp_transport_tcp = 0;
+int rtsp_transport_sctp = 0;
+// extern int rtsp_port;
+
+typedef enum { NEMESI_SESSION_VIDEO,
+               NEMESI_SESSION_AUDIO } Nemesi_SessionType;
+
+typedef struct {
+    rtsp_ctrl * rtsp;
+    rtp_session * session[2];
+    rtp_frame first_pkt[2];
+    double time[2];
+    double seek;
+} Nemesi_DemuxerStreamData;
+
+static void link_session_and_fetch_conf(Nemesi_DemuxerStreamData * ndsd,
+                                        Nemesi_SessionType stype,
+                                        rtp_session * sess,
+                                        rtp_buff * buff, unsigned int * fps)
+{
+    extern float force_fps;
+    rtp_ssrc *ssrc;
+    rtsp_ctrl * ctl = ndsd->rtsp;
+    rtp_frame * fr = &ndsd->first_pkt[stype];
+    rtp_buff trash_buff;
+
+    ndsd->session[stype] = sess;
+
+    if (buff == NULL)
+        buff = &trash_buff;
+
+    if ( (buff != NULL) || (fps != NULL) ) {
+        rtp_fill_buffers(rtsp_get_rtp_th(ctl));
+        for (ssrc = rtp_active_ssrc_queue(rtsp_get_rtp_queue(ctl));
+             ssrc;
+             ssrc = rtp_next_active_ssrc(ssrc)) {
+            if (ssrc->rtp_sess == sess) {
+                rtp_fill_buffer(ssrc, fr, buff);
+                break;
+            }
+        }
+
+        if ( (force_fps == 0.0) && (fps != NULL) ) {
+            rtp_fill_buffers(rtsp_get_rtp_th(ctl));
+            *fps = rtp_get_fps(ssrc);
+        }
+    }
+}
+
+demuxer_t* demux_open_rtp(demuxer_t* demuxer)
+{
+    nms_rtsp_hints hints;
+    char * url = demuxer->stream->streaming_ctrl->url->url;
+    rtsp_ctrl * ctl;
+    RTSP_Error reply;
+    rtsp_medium * media;
+    Nemesi_DemuxerStreamData * ndsd = calloc(1, sizeof(Nemesi_DemuxerStreamData));
+
+    memset(&hints,0,sizeof(hints));
+//  if (rtsp_port) hints.first_rtp_port = rtsp_port;
+    if (rtsp_transport_tcp) {
+        hints.pref_rtsp_proto = TCP;
+        hints.pref_rtp_proto = TCP;
+    }
+    if (rtsp_transport_sctp) {
+        hints.pref_rtsp_proto = SCTP;
+        hints.pref_rtp_proto = SCTP;
+    }
+
+    mp_msg(MSGT_DEMUX, MSGL_INFO, "Initializing libNemesi\n");
+    if ((ctl = rtsp_init(&hints)) == NULL) {
+        free(ndsd);
+        return STREAM_ERROR;
+    }
+
+    ndsd->rtsp = ctl;
+    demuxer->priv = ndsd;
+    //nms_verbosity_set(1);
+
+    mp_msg(MSGT_DEMUX, MSGL_INFO, "Opening: %s\n", url);
+    if (rtsp_open(ctl, url)) {
+        mp_msg(MSGT_DEMUX, MSGL_ERR, "rtsp_open failed.\n");
+        return demuxer;
+    }
+
+    reply = rtsp_wait(ctl);
+    if (reply.got_error) {
+        mp_msg(MSGT_DEMUX, MSGL_ERR,
+               "OPEN Error from the server: %s\n",
+               reply.message.reply_str);
+        return demuxer;
+    }
+
+    rtsp_play(ctl, 0, 0);
+    reply = rtsp_wait(ctl);
+    if (reply.got_error) {
+        mp_msg(MSGT_DEMUX, MSGL_ERR,
+               "PLAY Error from the server: %s\n",
+               reply.message.reply_str);
+        return demuxer;
+    }
+
+    media = ctl->rtsp_queue->media_queue;
+    for (; media; media=media->next) {
+        sdp_medium_info * info = media->medium_info;
+        rtp_session * sess = media->rtp_sess;
+
+        int media_format = atoi(info->fmts);
+        rtp_pt * ptinfo = rtp_get_pt_info(sess, media_format);
+        char const * format_name = ptinfo ? ptinfo->name : NULL;
+
+        if (sess->parsers[media_format] == NULL) {
+            mp_msg(MSGT_DEMUX, MSGL_ERR,
+                   "libNemesi unsupported media format: %s\n",
+                   format_name ? format_name : info->fmts);
+            continue;
+        }
+        else {
+            mp_msg(MSGT_DEMUX, MSGL_INFO,
+                   "libNemesi supported media: %s\n",
+                   format_name);
+        }
+
+        if (ptinfo->type == AU) {
+            if (ndsd->session[NEMESI_SESSION_AUDIO] == NULL) {
+                sh_audio_t* sh_audio = new_sh_audio(demuxer,0);
+                WAVEFORMATEX* wf = calloc(1,sizeof(WAVEFORMATEX));
+                demux_stream_t* d_audio = demuxer->audio;
+
+                mp_msg(MSGT_DEMUX, MSGL_INFO, "Detected as AUDIO stream...\n");
+
+                link_session_and_fetch_conf(ndsd, NEMESI_SESSION_AUDIO,
+                                            sess, NULL, NULL);
+
+                sh_audio->wf = wf;
+                d_audio->sh = sh_audio;
+                sh_audio->ds = d_audio;
+                wf->nSamplesPerSec = 0;
+
+                //List of known audio formats
+                if (!strcmp(format_name, "MPA"))
+                    wf->wFormatTag =
+                        sh_audio->format = 0x55;
+                else if (!strcmp(format_name, "vorbis"))
+                    wf->wFormatTag =
+                        sh_audio->format = mmioFOURCC('v','r','b','s');
+                else
+                    mp_msg(MSGT_DEMUX, MSGL_WARN,
+                           "Unknown MPlayer format code for MIME"
+                           " type \"audio/%s\"\n", format_name);
+            } else {
+                mp_msg(MSGT_DEMUX, MSGL_ERR,
+                       "There is already an audio session registered,"
+                       " ignoring...\n");
+            }
+        } else if (ptinfo->type == VI) {
+            if (ndsd->session[NEMESI_SESSION_AUDIO] == NULL) {
+                sh_video_t* sh_video;
+                BITMAPINFOHEADER* bih;
+                demux_stream_t* d_video;
+                int fps = 0;
+                rtp_buff buff;
+
+                mp_msg(MSGT_DEMUX, MSGL_INFO, "Detected as VIDEO stream...\n");
+
+                link_session_and_fetch_conf(ndsd, NEMESI_SESSION_VIDEO,
+                                            sess, &buff, &fps);
+
+                if (buff.len) {
+                    bih = calloc(1,sizeof(BITMAPINFOHEADER)+buff.len);
+                    bih->biSize = sizeof(BITMAPINFOHEADER)+buff.len;
+                    memcpy(bih+1, buff.data, buff.len);
+                } else {
+                    bih = calloc(1,sizeof(BITMAPINFOHEADER));
+                    bih->biSize = sizeof(BITMAPINFOHEADER);
+                }
+
+                sh_video = new_sh_video(demuxer,0);
+                sh_video->bih = bih;
+                d_video = demuxer->video;
+                d_video->sh = sh_video;
+                sh_video->ds = d_video;
+
+                if (fps)
+                    sh_video->fps = fps;
+
+                //List of known video formats
+                if (!strcmp(format_name, "MPV")) {
+                    bih->biCompression =
+                        sh_video->format = mmioFOURCC('M','P','E','G');
+                } else if (!strcmp(format_name, "H264")) {
+                    bih->biCompression =
+                        sh_video->format = mmioFOURCC('H','2','6','4');
+                } else {
+                    mp_msg(MSGT_DEMUX, MSGL_WARN,
+                        "Unknown MPlayer format code for MIME"
+                        " type \"video/%s\"\n", format_name);
+                }
+            } else {
+                mp_msg(MSGT_DEMUX, MSGL_ERR,
+                       "There is already a video session registered,"
+                       " ignoring...\n");
+            }
+        } else {
+            mp_msg(MSGT_DEMUX, MSGL_ERR, "Unsupported media type\n");
+        }
+    }
+
+    demuxer->stream->eof = 0;
+
+    return demuxer;
+}
+
+static int get_data_for_session(Nemesi_DemuxerStreamData * ndsd,
+                                Nemesi_SessionType stype, rtp_frame * fr)
+{
+    rtsp_ctrl * ctl = ndsd->rtsp;
+    rtp_ssrc *ssrc = NULL;
+
+    for (ssrc = rtp_active_ssrc_queue(rtsp_get_rtp_queue(ctl));
+         ssrc;
+         ssrc = rtp_next_active_ssrc(ssrc)) {
+        if (ssrc->rtp_sess == ndsd->session[stype]) {
+            if (ndsd->first_pkt[stype].len != 0) {
+                fr->data = ndsd->first_pkt[stype].data;
+                fr->time_sec = ndsd->first_pkt[stype].time_sec;
+                fr->len = ndsd->first_pkt[stype].len;
+                ndsd->first_pkt[stype].len = 0;
+                return RTP_FILL_OK;
+            } else {
+                rtp_buff buff;
+                return rtp_fill_buffer(ssrc, fr, &buff);
+            }
+        }
+    }
+
+    return RTP_SSRC_NOTVALID;
+}
+
+int demux_rtp_fill_buffer(demuxer_t* demuxer, demux_stream_t* ds)
+{
+    Nemesi_DemuxerStreamData * ndsd = demuxer->priv;
+    Nemesi_SessionType stype;
+    rtsp_ctrl * ctl = ndsd->rtsp;
+    rtp_thread * rtp_th = rtsp_get_rtp_th(ctl);
+    rtp_frame fr;
+
+    demux_packet_t* dp;
+
+    if ( (!ctl->rtsp_queue) || (demuxer->stream->eof) || (rtp_fill_buffers(rtp_th)) ) {
+        mp_msg(MSGT_DEMUX, MSGL_INFO, "End of Stream...\n");
+        demuxer->stream->eof = 1;
+        return 0;
+    }
+
+    if (ds == demuxer->video)
+        stype = NEMESI_SESSION_VIDEO;
+    else if (ds == demuxer->audio)
+        stype = NEMESI_SESSION_AUDIO;
+    else
+        return 0;
+
+    if(!get_data_for_session(ndsd, stype, &fr)) {
+        dp = new_demux_packet(fr.len);
+        memcpy(dp->buffer, fr.data, fr.len);
+        fr.time_sec += ndsd->seek;
+        ndsd->time[stype] = dp->pts = fr.time_sec;
+        ds_add_packet(ds, dp);
+    }
+    else {
+        stype = (stype + 1) % 2;
+        if (stype == NEMESI_SESSION_VIDEO)
+            ds = demuxer->video;
+        else
+            ds = demuxer->audio;
+
+        if(!get_data_for_session(ndsd, stype, &fr)) {
+            dp = new_demux_packet(fr.len);
+            memcpy(dp->buffer, fr.data, fr.len);
+            fr.time_sec += ndsd->seek;
+            ndsd->time[stype] = dp->pts = fr.time_sec;
+            ds_add_packet(ds, dp);
+        }
+    }
+
+    return 1;
+}
+
+
+void demux_close_rtp(demuxer_t* demuxer)
+{
+    Nemesi_DemuxerStreamData * ndsd = demuxer->priv;
+    rtsp_ctrl * ctl = ndsd->rtsp;
+    RTSP_Error err;
+
+    mp_msg(MSGT_DEMUX, MSGL_INFO, "Closing libNemesi RTSP Stream...\n");
+
+    if (ndsd == NULL)
+        return;
+
+    free(ndsd);
+
+    if (rtsp_close(ctl)) {
+        err = rtsp_wait(ctl);
+        if (err.got_error)
+            mp_msg(MSGT_DEMUX, MSGL_ERR,
+                   "Error Closing Stream: %s\n",
+                   err.message.reply_str);
+    }
+
+    rtsp_uninit(ctl);
+}
+
+static void demux_seek_rtp(demuxer_t *demuxer, float rel_seek_secs,
+                           float audio_delay, int flags)
+{
+    Nemesi_DemuxerStreamData * ndsd = demuxer->priv;
+    rtsp_ctrl * ctl = ndsd->rtsp;
+    sdp_attr * r_attr = NULL;
+    sdp_range r = {0, 0};
+    double time = ndsd->time[NEMESI_SESSION_VIDEO] ?
+                  ndsd->time[NEMESI_SESSION_VIDEO] :
+                  ndsd->time[NEMESI_SESSION_AUDIO];
+
+    if (!ctl->rtsp_queue)
+        return;
+
+    r_attr = sdp_get_attr(ctl->rtsp_queue->info->attr_list, "range");
+    if (r_attr)
+        r = sdp_parse_range(r_attr->value);
+
+    //flags & 1 -> absolute seek
+    //flags & 2 -> percent seek
+    if (flags == 0) {
+        time += rel_seek_secs;
+        if (time < r.begin)
+            time = r.begin;
+        else if (time > r.end)
+            time = r.end;
+        ndsd->seek = time;
+
+        mp_msg(MSGT_DEMUX,MSGL_WARN,"libNemesi SEEK %f on %f - %f)\n",
+           time, r.begin, r.end);
+
+        if (!rtsp_seek(ctl, time, 0)) {
+            RTSP_Error err = rtsp_wait(ctl);
+            if (err.got_error) {
+                mp_msg(MSGT_DEMUX, MSGL_ERR,
+                       "Error Performing Seek: %s\n",
+                       err.message.reply_str);
+                demuxer->stream->eof = 1;
+            }
+            else
+                mp_msg(MSGT_DEMUX, MSGL_INFO, "Seek, performed\n");
+        }
+        else {
+            mp_msg(MSGT_DEMUX, MSGL_ERR, "Unable to pause stream to perform seek\n");
+            demuxer->stream->eof = 1;
+        }
+    }
+    else
+        mp_msg(MSGT_DEMUX, MSGL_ERR, "Unsupported seek type\n");
+}
+
+static int demux_rtp_control(struct demuxer_st *demuxer, int cmd, void *arg)
+{
+    Nemesi_DemuxerStreamData * ndsd = demuxer->priv;
+    rtsp_ctrl * ctl = ndsd->rtsp;
+    sdp_attr * r_attr = NULL;
+    sdp_range r = {0, 0};
+    double time = ndsd->time[NEMESI_SESSION_VIDEO] ?
+                  ndsd->time[NEMESI_SESSION_VIDEO] :
+                  ndsd->time[NEMESI_SESSION_AUDIO];
+
+    if (!ctl->rtsp_queue)
+        return DEMUXER_CTRL_DONTKNOW;
+
+    r_attr = sdp_get_attr(ctl->rtsp_queue->info->attr_list, "range");
+    if (r_attr)
+        r = sdp_parse_range(r_attr->value);
+
+    switch (cmd) {
+        case DEMUXER_CTRL_GET_TIME_LENGTH:
+            if (r.end == 0)
+                return DEMUXER_CTRL_DONTKNOW;
+
+            *((double *)arg) = ((double)r.end) - ((double)r.begin);
+            return DEMUXER_CTRL_OK;
+
+        case DEMUXER_CTRL_GET_PERCENT_POS:
+            if (r.end == 0)
+                return DEMUXER_CTRL_DONTKNOW;
+
+            *((int *)arg) = (int)( time * 100 / (r.end - r.begin) );
+            return DEMUXER_CTRL_OK;
+        default:
+           return DEMUXER_CTRL_DONTKNOW;
+    }
+}
+
+demuxer_desc_t demuxer_desc_rtp = {
+  "libNemesi demuxer",
+  "rtp",
+  "",
+  "Alessandro Molina",
+  "requires libNemesi",
+  DEMUXER_TYPE_RTP,
+  0, // no autodetect
+  NULL,
+  demux_rtp_fill_buffer,
+  demux_open_rtp,
+  demux_close_rtp,
+  demux_seek_rtp,
+  demux_rtp_control
+};
diff --git a/libmpdemux/demux_nemesi.h b/libmpdemux/demux_nemesi.h
new file mode 100644
index 0000000000..e5f129b4c0
--- /dev/null
+++ b/libmpdemux/demux_nemesi.h
@@ -0,0 +1,46 @@
+/*
+ *  Copyright (C) 2007 Alessandro Molina <amol.wrk@gmail.com>
+ *   based on previous Live555 RTP support.
+ *
+ *  MPlayer is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  MPlayer 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 General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with MPlayer; if not, write to the Free Software Foundation,
+ *  Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+
+#ifndef DEMUX_NEMESI_H
+#define DEMUX_NEMESI_H
+
+#include <stdlib.h>
+#include <stdio.h>
+#include "stream/stream.h"
+#include "demuxer.h"
+
+
+/** 
+ * Open the RTP demuxer
+ */
+demuxer_t* demux_open_rtp(demuxer_t* demuxer);
+
+/**
+ * Read from the RTP demuxer
+ */
+int demux_rtp_fill_buffer(demuxer_t *demux, demux_stream_t* ds);
+
+/**
+ * Close the RTP demuxer
+ */
+void demux_close_rtp(demuxer_t* demuxer);
+
+#endif /* DEMUX_NEMESI_H */
+
diff --git a/libmpdemux/demuxer.c b/libmpdemux/demuxer.c
index 8f45bfac0a..7d5c64ce71 100644
--- a/libmpdemux/demuxer.c
+++ b/libmpdemux/demuxer.c
@@ -116,7 +116,7 @@ demuxer_desc_t* demuxer_list[] = {
 #endif
   &demuxer_desc_audio,
   &demuxer_desc_mpeg_ty,
-#ifdef STREAMING_LIVE555
+#if defined(STREAMING_LIVE555) || defined(LIBNEMESI)
   &demuxer_desc_rtp,
 #endif
 #ifdef USE_LIBAVFORMAT