From fc15e04d78d208753ea457dd8054270695852e53 Mon Sep 17 00:00:00 2001
From: Jaroslav Kysela <perex@perex.cz>
Date: Thu, 19 Jun 2014 23:42:28 +0200
Subject: [PATCH] webui: Change the Play links behaviour..

- generate simple playlist (m3u or xspf)
- add --xspf option to select the default playlist format
---
 src/main.c                     |  7 ++-
 src/webui/static/app/chconf.js |  2 +-
 src/webui/static/app/dvr.js    |  2 +-
 src/webui/static/app/epg.js    |  2 +-
 src/webui/static/app/mpegts.js |  4 +-
 src/webui/webui.c              | 92 +++++++++++++++++++++++++++++++++-
 src/webui/webui.h              |  2 +-
 7 files changed, 102 insertions(+), 9 deletions(-)

diff --git a/src/main.c b/src/main.c
index caa22411..3c9756ce 100644
--- a/src/main.c
+++ b/src/main.c
@@ -469,7 +469,8 @@ main(int argc, char **argv)
               opt_threadid     = 0,
               opt_ipv6         = 0,
               opt_tsfile_tuner = 0,
-              opt_dump         = 0;
+              opt_dump         = 0,
+              opt_xspf         = 0;
   const char *opt_config       = NULL,
              *opt_user         = NULL,
              *opt_group        = NULL,
@@ -523,6 +524,8 @@ main(int argc, char **argv)
       OPT_INT, &tvheadend_htsp_port_extra },
     {   0, "useragent",  "Specify User-Agent header for the http client",
       OPT_STR, &opt_user_agent },
+    {   0, "xspf",       "Use xspf playlist instead M3U",
+      OPT_BOOL, &opt_xspf },
 
     {   0, NULL,        "Debug Options",           OPT_BOOL, NULL         },
     { 'd', "stderr",    "Enable debug on stderr",  OPT_BOOL, &opt_stderr  },
@@ -798,7 +801,7 @@ main(int argc, char **argv)
 
   tcp_server_init(opt_ipv6);
   http_server_init(opt_bindaddr);
-  webui_init();
+  webui_init(opt_xspf);
 #if ENABLE_UPNP
   upnp_server_init(opt_bindaddr);
 #endif
diff --git a/src/webui/static/app/chconf.js b/src/webui/static/app/chconf.js
index deb0e9b4..04d6a087 100644
--- a/src/webui/static/app/chconf.js
+++ b/src/webui/static/app/chconf.js
@@ -211,7 +211,7 @@ tvheadend.channel_tab = function(panel)
                 width: 50,
                 header: 'Play',
                 renderer: function(v, o, r) {
-                    return "<a href='stream/channel/" + r.id + "'>Play</a>";
+                    return "<a href='play/stream/channel/" + r.id + "'>Play</a>";
                 }
             }
         ],
diff --git a/src/webui/static/app/dvr.js b/src/webui/static/app/dvr.js
index 6a68c755..56d46924 100644
--- a/src/webui/static/app/dvr.js
+++ b/src/webui/static/app/dvr.js
@@ -218,7 +218,7 @@ tvheadend.dvrschedule = function(title, iconCls, dvrStore) {
             width: 40,
             header: "Play",
             renderer: function(v, o, r) {
-                return "<a href='" + r.data['url'] + "'>Play</a>";
+                return '<a href="play/dvrfile/' + r.data['id'] + '">Play</a>';
             }
         });
     cols.push({
diff --git a/src/webui/static/app/epg.js b/src/webui/static/app/epg.js
index 787139f5..896feb6b 100644
--- a/src/webui/static/app/epg.js
+++ b/src/webui/static/app/epg.js
@@ -61,7 +61,7 @@ tvheadend.epgDetails = function(event) {
     
     now = new Date();
     if (event.start < now && event.end > now)
-        content += '<div class="x-epg-meta"><a href="stream/channelid/' + event.channelid + '">Play</a></div>';
+        content += '<div class="x-epg-meta"><a href="play/stream/channelid/' + event.channelid + '">Play</a></div>';
 
     var confcombo = new Ext.form.ComboBox({
         store: tvheadend.configNames,
diff --git a/src/webui/static/app/mpegts.js b/src/webui/static/app/mpegts.js
index 9df11143..4f72b01e 100644
--- a/src/webui/static/app/mpegts.js
+++ b/src/webui/static/app/mpegts.js
@@ -84,7 +84,7 @@ tvheadend.muxes = function(panel)
                 width: 50,
                 header: 'Play',
                 renderer: function(v, o, r) {
-                    return "<a href='stream/mux/" + r.id + "'>Play</a>";
+                    return "<a href='play/stream/mux/" + r.id + "'>Play</a>";
                 }
             }
         ],
@@ -239,7 +239,7 @@ tvheadend.services = function(panel)
                 width: 50,
                 header: 'Play',
                 renderer: function(v, o, r) {
-                    return "<a href='stream/service/" + r.id + "'>Play</a>";
+                    return "<a href='play/stream/service/" + r.id + "'>Play</a>";
                 }
             },
             actions
diff --git a/src/webui/webui.c b/src/webui/webui.c
index 7929ad29..069bb05b 100644
--- a/src/webui/webui.c
+++ b/src/webui/webui.c
@@ -55,6 +55,8 @@
 #include <sys/uio.h>
 #endif
 
+static int webui_xspf;
+
 /**
  *
  */
@@ -914,6 +916,91 @@ http_stream(http_connection_t *hc, const char *remain, void *opaque)
   }
 }
 
+/**
+ * Generate a xspf playlist
+ * http://en.wikipedia.org/wiki/XML_Shareable_Playlist_Format
+ */
+static int
+page_xspf(http_connection_t *hc, const char *remain, void *opaque)
+{
+  size_t maxlen;
+  char *buf;
+  const char *host = http_arg_get(&hc->hc_args, "Host");
+  const char *title;
+  size_t len;
+
+  if ((title = http_arg_get(&hc->hc_req_args, "title")) == NULL)
+    title = "TVHeadend Stream";
+
+  maxlen = strlen(remain) + strlen(title) + 256;
+  buf = alloca(maxlen);
+
+  snprintf(buf, maxlen, "\
+<?xml version=\"1.0\" encoding=\"UTF-8\"?>\r\n\
+<playlist version=\"1\" xmlns=\"http://xspf.org/ns/0/\">\r\n\
+  <trackList>\r\n\
+     <track>\r\n\
+       <title>%s</title>\r\n\
+       <location>http://%s/%s</location>\r\n\
+     </track>\r\n\
+  </trackList>\r\n\
+</playlist>\r\n", title, host, remain);
+
+  len = strlen(buf);
+  http_send_header(hc, 200, "application/xspf+xml", len, 0, NULL, 10, 0, NULL);
+  tvh_write(hc->hc_fd, buf, len);
+
+  return 0;
+}
+
+/**
+ * Generate an M3U playlist
+ * http://en.wikipedia.org/wiki/M3U
+ */
+static int
+page_m3u(http_connection_t *hc, const char *remain, void *opaque)
+{
+  size_t maxlen;
+  char *buf;
+  const char *host = http_arg_get(&hc->hc_args, "Host");
+  const char *title;
+  size_t len;
+
+  if ((title = http_arg_get(&hc->hc_req_args, "title")) == NULL)
+    title = "TVHeadend Stream";
+
+  maxlen = strlen(remain) + strlen(title) + 256;
+  buf = alloca(maxlen);
+
+  snprintf(buf, maxlen, "\
+#EXTM3U\r\n\
+#EXTINF:-1,%s\r\n\
+http://%s/%s\r\n", title, host, remain);
+
+  len = strlen(buf);
+  http_send_header(hc, 200, "audio/x-mpegurl", len, 0, NULL, 10, 0, NULL);
+  tvh_write(hc->hc_fd, buf, len);
+
+  return 0;
+}
+
+static int
+page_play(http_connection_t *hc, const char *remain, void *opaque)
+{
+  char *playlist;
+
+  playlist = http_arg_get(&hc->hc_req_args, "playlist");
+  if (playlist) {
+    if (strcmp(playlist, "xspf") == 0)
+      return page_xspf(hc, remain, opaque);
+    if (strcmp(playlist, "m3u") == 0)
+      return page_m3u(hc, remain, opaque);
+  }
+  if (webui_xspf)
+    return page_xspf(hc, remain, opaque);
+  return page_m3u(hc, remain, opaque);
+}
+
 /**
  * Download a recorded file
  */
@@ -1107,14 +1194,17 @@ int page_statedump(http_connection_t *hc, const char *remain, void *opaque);
  * WEB user interface
  */
 void
-webui_init(void)
+webui_init(int xspf)
 {
+  webui_xspf = xspf;
+
   if (tvheadend_webui_debug)
     tvhlog(LOG_INFO, "webui", "Running web interface in debug mode");
 
   http_path_add("", NULL, page_root2, ACCESS_WEB_INTERFACE);
   http_path_add("/", NULL, page_root, ACCESS_WEB_INTERFACE);
 
+  http_path_add("/play", NULL, page_play, ACCESS_WEB_INTERFACE);
   http_path_add("/dvrfile", NULL, page_dvrfile, ACCESS_WEB_INTERFACE);
   http_path_add("/favicon.ico", NULL, favicon, ACCESS_WEB_INTERFACE);
   http_path_add("/playlist", NULL, page_http_playlist, ACCESS_WEB_INTERFACE);
diff --git a/src/webui/webui.h b/src/webui/webui.h
index 2a2e3e5c..a1bee1cd 100644
--- a/src/webui/webui.h
+++ b/src/webui/webui.h
@@ -23,7 +23,7 @@
 #include "idnode.h"
 #include "http.h"
 
-void webui_init(void);
+void webui_init(int xspf);
 void webui_done(void);
 
 void simpleui_start(void);