tools: experimental change to json manifest

1 files changed, 61 insertions, 7 deletions

diff --git a/tools/gss-info.c b/tools/gss-info.c
index 6ff8a72..85908ef 100644
--- a/tools/gss-info.c
+++ b/tools/gss-info.c
@@ -1,6 +1,7 @@
 
 #include <gst-streaming-server/gss-isom.h>
-#include <gst-streaming-server/gss-isom.h>
+#include <gst-streaming-server/gss-utils.h>
+#include <json-glib/json-glib.h>
 
 #include <stdio.h>
 
@@ -11,6 +12,8 @@
 
 gboolean verbose;
 
+static char *random_iv_string (void);
+
 static GOptionEntry entries[] = {
   {"verbose", 'v', 0, G_OPTION_ARG_NONE, &verbose, "Be verbose", NULL},
   {NULL}
@@ -21,7 +24,12 @@ main (int argc, char *argv[])
 {
   GError *error = NULL;
   GOptionContext *context;
+  JsonGenerator *gen;
+  JsonNode *root;
+  JsonObject *obj;
+  JsonArray *array;
   int i;
+  char *data;
 
   context = g_option_context_new ("- ISOM parsing test");
   g_option_context_add_main_entries (context, entries, GETTEXT_PACKAGE);
@@ -37,10 +45,13 @@ main (int argc, char *argv[])
     exit (1);
   }
 
+  array = json_array_new ();
   for (i = 1; i < argc; i++) {
     GssIsomParser *file;
     GssIsomTrack *video_track;
     GssIsomTrack *audio_track;
+    JsonObject *object;
+    JsonObject *o;
     gboolean ret;
 
     file = gss_isom_parser_new ();
@@ -53,16 +64,59 @@ main (int argc, char *argv[])
 
     video_track = gss_isom_movie_get_video_track (file->movie);
     audio_track = gss_isom_movie_get_audio_track (file->movie);
-    if (audio_track && video_track) {
-      g_print ("%s %d %d\n",
-          argv[i], video_track->esds.avg_bitrate,
-          audio_track->esds.avg_bitrate);
-    } else {
-      g_print ("audio %p video %p\n", audio_track, video_track);
+
+    object = json_object_new ();
+    json_object_set_string_member (object, "filename", argv[i]);
+    if (video_track) {
+      char *codec;
+
+      o = json_object_new ();
+      json_object_set_int_member (o, "track_id", video_track->tkhd.track_id);
+      json_object_set_int_member (o, "bitrate", video_track->esds.avg_bitrate);
+      codec = g_strdup_printf ("avc1.%02x%02x%02x",
+          video_track->esds.codec_data[1],
+          video_track->esds.codec_data[2], video_track->esds.codec_data[3]);
+      json_object_set_string_member (o, "codec", codec);
+      g_free (codec);
+      json_object_set_string_member (o, "iv", random_iv_string ());
+      json_object_set_object_member (object, "video", o);
     }
+    if (audio_track) {
+      o = json_object_new ();
+      json_object_set_int_member (o, "track_id", audio_track->tkhd.track_id);
+      json_object_set_int_member (o, "bitrate", audio_track->esds.avg_bitrate);
+      json_object_set_string_member (o, "codec", "mp4a.40.2");  /* AAC LC */
+      json_object_set_string_member (o, "iv", random_iv_string ());
+      json_object_set_object_member (object, "audio", o);
+    }
+
+    json_array_add_object_element (array, object);
 
     gss_isom_parser_free (file);
   }
 
+  obj = json_object_new ();
+  json_object_set_int_member (obj, "version", 0);
+  json_object_set_array_member (obj, "media", array);
+
+  root = json_node_new (JSON_NODE_OBJECT);
+  json_node_take_object (root, obj);
+  gen = g_object_new (JSON_TYPE_GENERATOR,
+      "root", root, "pretty", TRUE, "indent", 2, NULL);
+  data = json_generator_to_data (gen, NULL);
+  g_object_unref (gen);
+  json_node_free (root);
+
+  g_print ("%s\n", data);
+
   return 0;
 }
+
+static char *
+random_iv_string (void)
+{
+  guint8 iv[8];
+
+  gss_utils_get_random_bytes (iv, 8);
+  return gss_base64url_encode (iv, 8);
+}