attribute::Attribute& getSingleInputAttribute()
{
ofx::attribute::OfxhClipImageSet::ClipImageVector& clips = getClipsByOrder();
ofx::attribute::OfxhClipImageSet::ClipImageMap& clipsMap = getClips();
ofx::attribute::OfxhAttribute* inAttr = NULL;
if( clips.size() == 1 )
{
inAttr = &clips[0];
}
else if( clips.size() > 1 )
{
const ofx::attribute::OfxhClipImageSet::ClipImageMap::iterator it( clipsMap.find( kOfxSimpleSourceAttributeName ) );
if( it != clipsMap.end() )
{
inAttr = it->second;
}
else
{
inAttr = &clips[0];
}
}
else // if( inClips.empty() )
{
BOOST_THROW_EXCEPTION( exception::Logic()
<< exception::user( "No source clip." ) );
}
return dynamic_cast<attribute::ClipImage&>( *inAttr );
}
void
render_json (const char *filename)
{
JsonParser *parser;
JsonNode *root;
GError *error;
parser = json_parser_new ();
error = NULL;
json_parser_load_from_file (parser, filename, &error);
if (error) {
g_print ("Parsing error `%s':\n %s\n", filename, error->message);
g_error_free (error);
g_object_unref (parser);
exit (0);
}
root = json_parser_get_root (parser);
JsonReader *reader = json_reader_new (root);
GESTimeline *timeline;
json_reader_read_member (reader, "composition");
// comp strings
const char *name = getString (reader, "name");
//const char *src_dir = getString (reader, "src-dir");
//g_print ("Source Directory: %s\nName: %s\n", src_dir, name);
// comp ints
int width = getInt (reader, "width");
int height = getInt (reader, "height");
int fps = getInt (reader, "fps");
gboolean transparency = TRUE;
if (is_in_members (reader, "transparency")) {
transparency = getBool (reader, "transparency");
}
gboolean absolute_paths = FALSE;
if (is_in_members (reader, "absolute_paths")) {
absolute_paths = getBool (reader, "absolute_paths");
}
g_print ("Resolution: %dx%d, FPS: %d\n", width, height, fps);
timeline = ges_timeline_new_audio_video ();
int i;
json_reader_read_member (reader, "layers");
for (i = 0; i < json_reader_count_elements (reader); i++) {
json_reader_read_element (reader, i);
GESLayer *layer = ges_layer_new ();
g_object_set (layer, "priority", i, NULL);
if (is_in_members (reader, "autotransition")) {
gboolean autotransition = getBool (reader, "autotransition");
if (autotransition)
g_print ("Auto Transitions on.\n");
g_object_set (layer, "auto-transition", autotransition, NULL);
}
ges_timeline_add_layer (timeline, layer);
getClips (reader, layer, GES_TRACK_TYPE_UNKNOWN, absolute_paths);
json_reader_end_element (reader);
}
json_reader_end_member (reader);
ges_timeline_commit (timeline);
const gchar *xges_path = g_strconcat ("file://", filename, ".xges", NULL);
ges_timeline_save_xges (timeline, xges_path);
//free(xges_path);
// formats
GESRendererProfile res =
{ width, height, fps, PROFILE_AAC_H264_QUICKTIME, NULL };
if (!transparency) {
g_print ("Deactivating transparency\n");
res.format = "I420";
}
json_reader_read_member (reader, "formats");
for (i = 0; i < json_reader_count_elements (reader); i++) {
json_reader_read_element (reader, i);
const char *format = json_reader_get_string_value (reader);
json_reader_end_element (reader);
g_print ("format: %s\n", format);
EncodingProfile prof = PROFILE_AAC_H264_QUICKTIME;
if (strcmp (format, "webm") == 0) {
prof = PROFILE_VORBIS_VP8_WEBM;
} else if (strcmp (format, "mkv") == 0) {
prof = PROFILE_VORBIS_H264_MATROSKA;
} else if (strcmp (format, "mp4") == 0) {
prof = PROFILE_AAC_H264_QUICKTIME;
} else if (strcmp (format, "ogg") == 0) {
prof = PROFILE_VORBIS_THEORA_OGG;
}
res.profile = prof;
ges_renderer_render (timeline, name, &res, absolute_paths);
}
json_reader_end_member (reader);
json_reader_end_member (reader);
g_object_unref (reader);
g_object_unref (parser);
}