static gboolean
parse_json (GDataParsable *parsable, JsonReader *reader, gpointer user_data, GError **error)
{
gboolean success = TRUE;
gchar *next_uri = NULL;
/* JSON format: https://developers.google.com/drive/v2/reference/files/list */
if (gdata_parser_string_from_json_member (reader, "nextLink", P_DEFAULT, &next_uri, &success, error) == TRUE) {
if (success && next_uri != NULL && next_uri[0] != '\0') {
GDataLink *_link;
_link = gdata_link_new (next_uri, "http://www.iana.org/assignments/relation/next");
_gdata_feed_add_link (GDATA_FEED (parsable), _link);
g_object_unref (_link);
}
g_free (next_uri);
return success;
} else if (g_strcmp0 (json_reader_get_member_name (reader), "items") == 0) {
guint i, elements;
if (json_reader_is_array (reader) == FALSE) {
g_set_error (error, GDATA_SERVICE_ERROR, GDATA_SERVICE_ERROR_PROTOCOL_ERROR,
/* Translators: the parameter is an error message */
_("Error parsing JSON: %s"),
"JSON node ‘items’ is not an array.");
return FALSE;
}
/* Loop through the elements array. */
for (i = 0, elements = (guint) json_reader_count_elements (reader); success && i < elements; i++) {
GDataEntry *entry = NULL;
GError *child_error = NULL;
GType entry_type = G_TYPE_INVALID;
gchar *kind = NULL;
gchar *mime_type = NULL;
json_reader_read_element (reader, i);
if (json_reader_is_object (reader) == FALSE) {
g_set_error (error, GDATA_SERVICE_ERROR, GDATA_SERVICE_ERROR_PROTOCOL_ERROR,
/* Translators: the parameter is an error message */
_("Error parsing JSON: %s"),
"JSON node inside ‘items’ is not an object");
success = FALSE;
goto continuation;
}
get_kind_and_mime_type (reader, &kind, &mime_type, &child_error);
if (child_error != NULL) {
g_propagate_error (error, child_error);
success = FALSE;
goto continuation;
}
if (g_strcmp0 (kind, "drive#file") == 0) {
entry_type = gdata_documents_utils_get_type_from_content_type (mime_type);
} else {
g_warning ("%s files are not handled yet", kind);
}
if (entry_type == G_TYPE_INVALID)
goto continuation;
entry = GDATA_ENTRY (_gdata_parsable_new_from_json_node (entry_type, reader, NULL, error));
/* Call the progress callback in the main thread */
_gdata_feed_call_progress_callback (GDATA_FEED (parsable), user_data, entry);
_gdata_feed_add_entry (GDATA_FEED (parsable), entry);
continuation:
g_clear_object (&entry);
g_free (kind);
g_free (mime_type);
json_reader_end_element (reader);
}
return success;
}
return GDATA_PARSABLE_CLASS (gdata_documents_feed_parent_class)->parse_json (parsable, reader, user_data, error);
}
/* Save key/values on the table in the stack if the value is an
* object or an array, it calls recursively the function again.
*
* @param L, pointer to the L with nil on top of it;
* @param reader, pointed to the first element of main object;
*
* returns: the table in the stack with all json values
*/
static void
build_table_from_json_reader (lua_State *L,
JsonReader *reader)
{
const GError *err = json_reader_get_error (reader);
if (err != NULL) {
GRL_WARNING ("Error when building json: %s", err->message);
return;
}
if (lua_isnil (L, -1)) {
/* In the first execution of this recursive call, the main json object
* does not have a member name. The nil is in the top of the stack and
* it shall be converted to the table with json content */
lua_pop (L, 1);
} else if (lua_istable (L, -1)) {
const gchar *member_name = json_reader_get_member_name (reader);
if (member_name)
lua_pushstring (L, member_name);
} else if (!lua_isnumber (L, -1)) {
GRL_DEBUG ("getting value to either table or array");
return;
}
if (json_reader_is_object (reader)) {
guint index_member = 0;
guint num_members = json_reader_count_members (reader);
lua_createtable (L, num_members, 0);
for (index_member = 0; index_member < num_members; index_member++) {
json_reader_read_element (reader, index_member);
build_table_from_json_reader (L, reader);
json_reader_end_element (reader);
}
} else if (json_reader_is_array (reader)) {
guint index_element = 0;
guint num_elements = json_reader_count_elements (reader);
lua_createtable (L, num_elements, 0);
for (index_element = 0; index_element < num_elements; index_element++) {
json_reader_read_element (reader, index_element);
lua_pushinteger (L, index_element + 1);
build_table_from_json_reader (L, reader);
json_reader_end_element (reader);
}
} else if (json_reader_is_value (reader)) {
if (json_reader_get_null_value (reader)) {
lua_pushnil (L);
} else {
/* value of the element */
JsonNode *value = json_reader_get_value (reader);
switch (json_node_get_value_type (value)) {
case G_TYPE_STRING:
lua_pushstring (L, json_reader_get_string_value (reader));
break;
case G_TYPE_INT64:
lua_pushinteger (L, json_reader_get_int_value (reader));
break;
case G_TYPE_DOUBLE:
lua_pushnumber (L, json_reader_get_double_value (reader));
break;
case G_TYPE_BOOLEAN:
lua_pushnumber (L, json_reader_get_boolean_value (reader));
break;
default:
GRL_DEBUG ("'%d' (json-node-type) is not being handled",
(gint) json_node_get_value_type (value));
lua_pushnil (L);
}
}
}
if (lua_gettop (L) > 3) {
/* save this key/value on previous table */
lua_settable (L, -3);
}
}
GList *dt_noiseprofile_get_matching(const dt_image_t *cimg)
{
JsonParser *parser = darktable.noiseprofile_parser;
JsonReader *reader = NULL;
GList *result = NULL;
if(!parser) goto end;
dt_print(DT_DEBUG_CONTROL, "[noiseprofile] looking for maker `%s', model `%s'\n", cimg->camera_maker, cimg->camera_model);
JsonNode *root = json_parser_get_root(parser);
reader = json_reader_new(root);
json_reader_read_member(reader, "noiseprofiles");
// go through all makers
const int n_makers = json_reader_count_elements(reader);
dt_print(DT_DEBUG_CONTROL, "[noiseprofile] found %d makers\n", n_makers);
for(int i = 0; i < n_makers; i++)
{
json_reader_read_element(reader, i);
json_reader_read_member(reader, "maker");
if(g_strstr_len(cimg->camera_maker, -1, json_reader_get_string_value(reader)))
{
dt_print(DT_DEBUG_CONTROL, "[noiseprofile] found `%s' as `%s'\n", cimg->camera_maker, json_reader_get_string_value(reader));
// go through all models and check those
json_reader_end_member(reader);
json_reader_read_member(reader, "models");
const int n_models = json_reader_count_elements(reader);
dt_print(DT_DEBUG_CONTROL, "[noiseprofile] found %d models\n", n_models);
for(int j = 0; j < n_models; j++)
{
json_reader_read_element(reader, j);
json_reader_read_member(reader, "model");
if(!g_strcmp0(cimg->camera_model, json_reader_get_string_value(reader)))
{
dt_print(DT_DEBUG_CONTROL, "[noiseprofile] found %s\n", cimg->camera_model);
// we got a match, return at most bufsize elements
json_reader_end_member(reader);
json_reader_read_member(reader, "profiles");
const int n_profiles = json_reader_count_elements(reader);
dt_print(DT_DEBUG_CONTROL, "[noiseprofile] found %d profiles\n", n_profiles);
for(int k = 0; k < n_profiles; k++)
{
dt_noiseprofile_t tmp_profile = { 0 };
json_reader_read_element(reader, k);
gchar** member_names = json_reader_list_members(reader);
// do we want to skip this entry?
if(is_member(member_names, "skip"))
{
json_reader_read_member(reader, "skip");
gboolean skip = json_reader_get_boolean_value(reader);
json_reader_end_member(reader);
if(skip)
{
json_reader_end_element(reader);
g_strfreev(member_names);
continue;
}
}
// maker
tmp_profile.maker = g_strdup(cimg->camera_maker);
// model
tmp_profile.model = g_strdup(cimg->camera_model);
// name
json_reader_read_member(reader, "name");
tmp_profile.name = g_strdup(json_reader_get_string_value(reader));
json_reader_end_member(reader);
// iso
json_reader_read_member(reader, "iso");
tmp_profile.iso = json_reader_get_double_value(reader);
json_reader_end_member(reader);
// a
json_reader_read_member(reader, "a");
for(int a = 0; a < 3; a++)
{
json_reader_read_element(reader, a);
tmp_profile.a[a] = json_reader_get_double_value(reader);
json_reader_end_element(reader);
}
json_reader_end_member(reader);
// b
json_reader_read_member(reader, "b");
for(int b = 0; b < 3; b++)
{
json_reader_read_element(reader, b);
tmp_profile.b[b] = json_reader_get_double_value(reader);
json_reader_end_element(reader);
}
json_reader_end_member(reader);
json_reader_end_element(reader);
// everything worked out, add tmp_profile to result
dt_noiseprofile_t *new_profile = (dt_noiseprofile_t *)malloc(sizeof(dt_noiseprofile_t));
*new_profile = tmp_profile;
result = g_list_append(result, new_profile);
g_strfreev(member_names);
} // profiles
goto end;
}
json_reader_end_member(reader);
json_reader_end_element(reader);
} // models
}
json_reader_end_member(reader);
json_reader_end_element(reader);
} // makers
json_reader_end_member(reader);
end:
if(reader) g_object_unref(reader);
if(result) result = g_list_sort(result, _sort_by_iso);
return result;
}
static gboolean dt_noiseprofile_verify(JsonParser *parser)
{
JsonReader *reader = NULL;
gboolean valid = TRUE;
dt_print(DT_DEBUG_CONTROL, "[noiseprofile] verifying noiseprofile file\n");
JsonNode *root = json_parser_get_root(parser);
if(!root) _ERROR("can't get the root node");
reader = json_reader_new(root);
if(!json_reader_read_member(reader, "version")) _ERROR("can't find file version.");
// check the file version
const int version = json_reader_get_int_value(reader);
json_reader_end_member(reader);
if(version != DT_NOISE_PROFILE_VERSION) _ERROR("file version is not what this code understands");
if(!json_reader_read_member(reader, "noiseprofiles")) _ERROR("can't find `noiseprofiles' entry.");
if(!json_reader_is_array(reader)) _ERROR("`noiseprofiles' is supposed to be an array");
// go through all makers
const int n_makers = json_reader_count_elements(reader);
dt_print(DT_DEBUG_CONTROL, "[noiseprofile] found %d makers\n", n_makers);
for(int i = 0; i < n_makers; i++)
{
if(!json_reader_read_element(reader, i)) _ERROR("can't access maker at position %d / %d", i+1, n_makers);
if(!json_reader_read_member(reader, "maker")) _ERROR("missing `maker`");
dt_print(DT_DEBUG_CONTROL, "[noiseprofile] found maker `%s'\n", json_reader_get_string_value(reader));
// go through all models and check those
json_reader_end_member(reader);
if(!json_reader_read_member(reader, "models")) _ERROR("missing `models`");
const int n_models = json_reader_count_elements(reader);
dt_print(DT_DEBUG_CONTROL, "[noiseprofile] found %d models\n", n_models);
for(int j = 0; j < n_models; j++)
{
if(!json_reader_read_element(reader, j)) _ERROR("can't access model at position %d / %d", j+1, n_models);
if(!json_reader_read_member(reader, "model")) _ERROR("missing `model`");
dt_print(DT_DEBUG_CONTROL, "[noiseprofile] found %s\n", json_reader_get_string_value(reader));
json_reader_end_member(reader);
if(!json_reader_read_member(reader, "profiles")) _ERROR("missing `profiles`");
const int n_profiles = json_reader_count_elements(reader);
dt_print(DT_DEBUG_CONTROL, "[noiseprofile] found %d profiles\n", n_profiles);
for(int k = 0; k < n_profiles; k++)
{
if(!json_reader_read_element(reader, k)) _ERROR("can't access profile at position %d / %d", k+1, n_profiles);
gchar** member_names = json_reader_list_members(reader);
// name
if(!is_member(member_names, "name"))
{
g_strfreev(member_names);
_ERROR("missing `name`");
}
// iso
if(!is_member(member_names, "iso"))
{
g_strfreev(member_names);
_ERROR("missing `iso`");
}
// a
if(!is_member(member_names, "a"))
{
g_strfreev(member_names);
_ERROR("missing `a`");
}
json_reader_read_member(reader, "a");
if(json_reader_count_elements(reader) != 3)
{
g_strfreev(member_names);
_ERROR("`a` with size != 3");
}
json_reader_end_member(reader);
// b
if(!is_member(member_names, "b"))
{
g_strfreev(member_names);
_ERROR("missing `b`");
}
json_reader_read_member(reader, "b");
if(json_reader_count_elements(reader) != 3)
{
g_strfreev(member_names);
_ERROR("`b` with size != 3");
}
json_reader_end_member(reader);
json_reader_end_element(reader);
g_strfreev(member_names);
} // profiles
json_reader_end_member(reader);
json_reader_end_element(reader);
} // models
json_reader_end_member(reader);
json_reader_end_element(reader);
} // makers
json_reader_end_member(reader);
dt_print(DT_DEBUG_CONTROL, "[noiseprofile] verifying noiseprofile completed\n");
end:
if(reader) g_object_unref(reader);
return valid;
}
/* The error format used by the Google Tasks API doesn’t seem to be documented
* anywhere, which is a little frustrating. Here’s an example of it:
* {
* "error": {
* "errors": [
* {
* "domain": "usageLimits",
* "reason": "dailyLimitExceededUnreg",
* "message": "Daily Limit for Unauthenticated Use Exceeded.",
* "extendedHelp": "https://code.google.com/apis/console"
* }
* ],
* "code": 403,
* "message": "Daily Limit for Unauthenticated Use Exceeded."
* }
* }
* or:
* {
* "error": {
* "errors": [
* {
* "domain": "global",
* "reason": "authError",
* "message": "Invalid Credentials",
* "locationType": "header",
* "location": "Authorization"
* }
* ],
* "code": 401,
* "message": "Invalid Credentials"
* }
* }
*/
static void
parse_error_response (GDataService *self, GDataOperationType operation_type,
guint status, const gchar *reason_phrase,
const gchar *response_body, gint length, GError **error)
{
JsonParser *parser = NULL; /* owned */
JsonReader *reader = NULL; /* owned */
gint i;
GError *child_error = NULL;
if (response_body == NULL) {
goto parent;
}
if (length == -1) {
length = strlen (response_body);
}
parser = json_parser_new ();
if (!json_parser_load_from_data (parser, response_body, length,
&child_error)) {
goto parent;
}
reader = json_reader_new (json_parser_get_root (parser));
/* Check that the outermost node is an object. */
if (!json_reader_is_object (reader)) {
goto parent;
}
/* Grab the ‘error’ member, then its ‘errors’ member. */
if (!json_reader_read_member (reader, "error") ||
!json_reader_is_object (reader) ||
!json_reader_read_member (reader, "errors") ||
!json_reader_is_array (reader)) {
goto parent;
}
/* Parse each of the errors. Return the first one, and print out any
* others. */
for (i = 0; i < json_reader_count_elements (reader); i++) {
const gchar *domain, *reason, *message, *extended_help;
const gchar *location_type, *location;
/* Parse the error. */
if (!json_reader_read_element (reader, i) ||
!json_reader_is_object (reader)) {
goto parent;
}
json_reader_read_member (reader, "domain");
domain = json_reader_get_string_value (reader);
json_reader_end_member (reader);
json_reader_read_member (reader, "reason");
reason = json_reader_get_string_value (reader);
json_reader_end_member (reader);
json_reader_read_member (reader, "message");
message = json_reader_get_string_value (reader);
json_reader_end_member (reader);
json_reader_read_member (reader, "extendedHelp");
extended_help = json_reader_get_string_value (reader);
json_reader_end_member (reader);
json_reader_read_member (reader, "locationType");
location_type = json_reader_get_string_value (reader);
json_reader_end_member (reader);
json_reader_read_member (reader, "location");
location = json_reader_get_string_value (reader);
json_reader_end_member (reader);
/* End the error element. */
json_reader_end_element (reader);
/* Create an error message, but only for the first error */
if (error == NULL || *error == NULL) {
if (g_strcmp0 (domain, "usageLimits") == 0 &&
g_strcmp0 (reason,
"dailyLimitExceededUnreg") == 0) {
/* Daily Limit for Unauthenticated Use
* Exceeded. */
g_set_error (error, GDATA_SERVICE_ERROR,
GDATA_SERVICE_ERROR_API_QUOTA_EXCEEDED,
_("You have made too many API "
"calls recently. Please wait a "
"few minutes and try again."));
} else if (g_strcmp0 (domain, "global") == 0 &&
(g_strcmp0 (reason, "authError") == 0 ||
g_strcmp0 (reason, "required") == 0)) {
/* Authentication problem */
g_set_error (error, GDATA_SERVICE_ERROR,
GDATA_SERVICE_ERROR_AUTHENTICATION_REQUIRED,
_("You must be authenticated to "
"do this."));
} else {
/* Unknown or validation (protocol) error. Fall
* back to working off the HTTP status code. */
g_warning ("Unknown error code ‘%s’ in domain "
"‘%s’ received with location type "
"‘%s’, location ‘%s’, extended help "
"‘%s’ and message ‘%s’.",
reason, domain, location_type,
location, extended_help, message);
goto parent;
}
} else {
/* For all errors after the first, log the error in the
* terminal. */
g_debug ("Error message received in response: domain "
"‘%s’, reason ‘%s’, extended help ‘%s’, "
"message ‘%s’, location type ‘%s’, location "
"‘%s’.",
domain, reason, extended_help, message,
location_type, location);
}
}
/* End the ‘errors’ and ‘error’ members. */
json_reader_end_element (reader);
json_reader_end_element (reader);
g_clear_object (&reader);
g_clear_object (&parser);
/* Ensure we’ve actually set an error message. */
g_assert (error == NULL || *error != NULL);
return;
parent:
g_clear_object (&reader);
g_clear_object (&parser);
/* Chain up to the parent class */
GDATA_SERVICE_CLASS (gdata_tasks_service_parent_class)->parse_error_response (self, operation_type, status, reason_phrase,
response_body, length, error);
}
static void get_language_names(GList *languages)
{
#ifdef HAVE_ISO_CODES
JsonReader *reader = NULL;
JsonParser *parser = NULL;
GError *error = NULL;
#if defined(_WIN32) && !defined(MSYS2_INSTALL) // TODO: add osx?
char datadir[PATH_MAX] = { 0 };
dt_loc_get_datadir(datadir, sizeof(datadir));
char *filename = g_build_filename(datadir, "..", "iso-codes", "json", "iso_639-2.json", NULL);
#else
char *filename = g_build_filename(ISO_CODES_LOCATION, "iso_639-2.json", NULL);
#endif
if(!g_file_test(filename, G_FILE_TEST_EXISTS))
{
fprintf(stderr, "[l10n] error: can't open iso-codes file `%s'\n"
" there won't be nicely translated language names in the preferences.\n", filename);
goto end;
}
#if defined(_WIN32) && !defined(MSYS2_INSTALL) // TODO: add osx?
// on windows we are shipping the translations of iso-codes along ours
char *localedir = g_build_filename(datadir, "..", "locale", NULL);
bindtextdomain("iso_639", localedir);
g_free(localedir);
#else
bindtextdomain("iso_639", ISO_CODES_LOCALEDIR);
#endif
bind_textdomain_codeset("iso_639", "UTF-8");
parser = json_parser_new();
if(!json_parser_load_from_file(parser, filename, &error))
{
fprintf(stderr, "[l10n] error: parsing json from `%s' failed\n%s\n", filename, error->message);
goto end;
}
// go over the json
JsonNode *root = json_parser_get_root(parser);
if(!root)
{
fprintf(stderr, "[l10n] error: can't get root node of `%s'\n", filename);
goto end;
}
reader = json_reader_new(root);
if(!json_reader_read_member(reader, "639-2"))
{
fprintf(stderr, "[l10n] error: unexpected layout of `%s'\n", filename);
goto end;
}
if(!json_reader_is_array(reader))
{
fprintf(stderr, "[l10n] error: unexpected layout of `%s'\n", filename);
goto end;
}
int n_elements = json_reader_count_elements(reader);
for(int i = 0; i < n_elements; i++)
{
json_reader_read_element(reader, i);
if(!json_reader_is_object(reader))
{
fprintf(stderr, "[l10n] error: unexpected layout of `%s' (element %d)\n", filename, i);
goto end;
}
const char *alpha_2 = NULL, *alpha_3 = NULL, *name = NULL;
if(json_reader_read_member(reader, "alpha_2"))
alpha_2 = json_reader_get_string_value(reader);
json_reader_end_member(reader); // alpha_2
if(json_reader_read_member(reader, "alpha_3"))
alpha_3 = json_reader_get_string_value(reader);
json_reader_end_member(reader); // alpha_3
if(json_reader_read_member(reader, "name"))
name = json_reader_get_string_value(reader);
json_reader_end_member(reader); // name
if(name && (alpha_2 || alpha_3))
{
// check if alpha_2 or alpha_3 is in our translations
for(GList *iter = languages; iter; iter = g_list_next(iter))
{
dt_l10n_language_t *language = (dt_l10n_language_t *)iter->data;
if(!g_strcmp0(language->base_code, alpha_2) || !g_strcmp0(language->base_code, alpha_3))
{
// code taken in parts from GIMP's gimplanguagestore-parser.c
g_setenv("LANGUAGE", language->code, TRUE);
setlocale (LC_ALL, language->code);
char *localized_name = g_strdup(dgettext("iso_639", name));
/* If original and localized names are the same for other than English,
* maybe localization failed. Try now in the main dialect. */
if(g_strcmp0(name, localized_name) == 0 &&
g_strcmp0(language->code, language->base_code) != 0)
{
g_free(localized_name);
g_setenv("LANGUAGE", language->base_code, TRUE);
setlocale (LC_ALL, language->base_code);
localized_name = g_strdup(dgettext("iso_639", name));
}
/* there might be several language names; use the first one */
char *semicolon = strchr(localized_name, ';');
if(semicolon)
{
char *tmp = localized_name;
localized_name = g_strndup(localized_name, semicolon - localized_name);
g_free(tmp);
}
// we initialize the name to the language code to have something on systems lacking iso-codes, so free it!
g_free(language->name);
language->name = g_strdup_printf("%s (%s)%s", localized_name, language->code, language->is_default ? " *" : "");
g_free(localized_name);
// we can't break out of the loop here. at least pt is in our list twice!
}
}
}
else
fprintf(stderr, "[l10n] error: element %d has no name, skipping\n", i);
json_reader_end_element(reader);
}
json_reader_end_member(reader); // 639-2
end:
// cleanup
g_free(filename);
if(error) g_error_free(error);
if(reader) g_object_unref(reader);
if(parser) g_object_unref(parser);
#endif // HAVE_ISO_CODES
}
static void restore_state(session_callback_type type, gpointer data, gpointer user_data) {
JsonParser* jp = NULL;
JsonReader* jr = NULL;
const gchar* sqs;
saved_state* s = NULL;
GError* err = NULL;
/* Is it the callback we're interested in? */
if (type != SPOP_SESSION_LOGGED_IN)
return;
/* First disable the callback so it's not called again */
session_remove_callback(restore_state, NULL);
g_debug("savestate: reading saved state...");
s = g_new0(saved_state, 1);
/* Read and parse state file */
jp = json_parser_new();
if (!json_parser_load_from_file(jp, g_state_file_path, &err)) {
g_warning("savestate: error while reading state file: %s", err->message);
goto restorestate_error;
}
jr = json_reader_new(json_parser_get_root(jp));
/* Read basic state */
if (!json_reader_read_member(jr, "status")) goto restorestate_jr_error;
sqs = json_reader_get_string_value(jr);
json_reader_end_member(jr);
if (strcmp(sqs, "stopped")) s->qs = STOPPED;
else if (strcmp(sqs, "playing")) s->qs = PLAYING;
else if (strcmp(sqs, "paused")) s->qs = PAUSED;
else {
g_warning("savestate: bad value for queue status: %s", sqs);
goto restorestate_error;
}
if (!json_reader_read_member(jr, "repeat")) goto restorestate_jr_error;
s->repeat = json_reader_get_boolean_value(jr);
json_reader_end_member(jr);
if (!json_reader_read_member(jr, "shuffle")) goto restorestate_jr_error;
s->shuffle = json_reader_get_boolean_value(jr);
json_reader_end_member(jr);
if (!json_reader_read_member(jr, "current_track")) goto restorestate_jr_error;
s->cur_track = json_reader_get_int_value(jr);
json_reader_end_member(jr);
/* Now read tracks URIs */
if (!json_reader_read_member(jr, "tracks")) goto restorestate_jr_error;
if (!json_reader_is_array(jr)) {
g_warning("savestate: error while parsing JSON: tracks is not an array");
goto restorestate_error;
}
gint tracks = json_reader_count_elements(jr);
if (s->cur_track >= tracks) {
g_warning("savestate: incoherent state file: cur_track >= tracks");
goto restorestate_error;
}
s->tracks = g_array_sized_new(FALSE, FALSE, sizeof(sp_track*), tracks);
if (!s->tracks)
g_error("Can't allocate array of %d tracks.", tracks);
size_t i;
gboolean can_restore_now = TRUE;
for (i=0; i < tracks; i++) {
json_reader_read_element(jr, i);
const gchar* uri = json_reader_get_string_value(jr);
json_reader_end_element(jr);
sp_link* lnk = sp_link_create_from_string(uri);
sp_linktype lt = sp_link_type(lnk);
if (lt != SP_LINKTYPE_TRACK) {
g_warning("savestate: invalid link type for track %zu: %d", i, lt);
sp_link_release(lnk);
goto restorestate_error;
}
sp_track* tr = sp_link_as_track(lnk);
sp_track_add_ref(tr);
sp_link_release(lnk);
g_array_append_val(s->tracks, tr);
if (!sp_track_is_loaded(tr))
can_restore_now = FALSE;
}
/* If possible, restore now, else wait for all tracks to be loaded */
if (can_restore_now)
really_restore_state(s);
else {
g_timeout_add(100, (GSourceFunc) really_restore_state, s);
g_debug("savestate: waiting for all tracks to be loaded before restoring saved state...");
}
/* Add a notification callback */
if (!interface_notify_add_callback(savestate_notification_callback, NULL))
g_error("Could not add savestate callback.");
goto restorestate_clean;
restorestate_jr_error:
err = (GError*) json_reader_get_error(jr);
g_warning("savestate: error while parsing JSON: %s", err->message);
restorestate_error:
if (s) {
if (s->tracks)
g_array_free(s->tracks, TRUE);
g_free(s);
}
restorestate_clean:
if (jp)
g_object_unref(jp);
if (jr)
g_object_unref(jr);
}
void
getClips (JsonReader * reader, GESLayer * layer, GESTrackType type,
gboolean absolute_paths)
{
int i;
json_reader_read_member (reader, "clips");
g_print ("= clips =\n");
for (i = 0; i < json_reader_count_elements (reader); i++) {
json_reader_read_element (reader, i);
const char *src = getString (reader, "src");
int start = getInt (reader, "start");
int in = getInt (reader, "in");
int dur = getInt (reader, "dur");
g_print ("Clip: %s (start: %d, in: %d, dur: %d)\n", src, start, in, dur);
GESClip *clip;
if (is_in_members (reader, "multi") && getBool (reader, "multi")) {
g_print ("multi on.\n");
clip =
ges_multi_clip_from_path (src, layer, start, in, dur, absolute_paths);
} else {
const char *path;
if (absolute_paths == TRUE) {
path = src;
} else {
path = ges_renderer_get_absolute_path (src);
}
clip = ges_clip_from_path (path, layer, start, in, dur, type);
}
GESTimeline *tl = ges_layer_get_timeline (layer);
GList *tracks = ges_timeline_get_tracks (tl);
GESTrack *trackv = g_list_first (tracks)->data;
GESTrack *tracka = g_list_last (tracks)->data;
if (is_in_members (reader, "volume")) {
double volume = getDouble (reader, "volume");
GESTrackElement *audioElement =
ges_clip_find_track_element (clip, tracka, G_TYPE_NONE);
if (audioElement != NULL) {
ges_track_element_set_child_properties (audioElement, "volume", volume,
NULL);
}
}
GESTrackElement *videoElement =
ges_clip_find_track_element (clip, trackv, G_TYPE_NONE);
if (videoElement != NULL) {
if (is_in_members (reader, "x")) {
int x = getInt (reader, "x");
ges_track_element_set_child_properties (videoElement, "posx", x, NULL);
}
if (is_in_members (reader, "y")) {
int y = getInt (reader, "y");
ges_track_element_set_child_properties (videoElement, "posy", y, NULL);
}
if (is_in_members (reader, "alpha")) {
gdouble alpha = getDouble (reader, "alpha");
ges_track_element_set_child_properties (videoElement, "alpha", alpha,
NULL);
}
if (is_in_members (reader, "size")) {
gdouble size = getDouble (reader, "size");
GESUriClipAsset *asset =
GES_URI_CLIP_ASSET (ges_extractable_get_asset (GES_EXTRACTABLE
(clip)));
guint width = ges_asset_get_width (asset);
guint height = ges_asset_get_height (asset);
if (width != 0 && height != 0) {
double dw = width * size;
double dh = height * size;
g_print ("%dx%d => * %f => %dx%d\n", width, height, size, (int) dw,
(int) dh);
ges_track_element_set_child_properties (videoElement,
"width", (int) dw, "height", (int) dh, NULL);
}
}
if (is_in_members (reader, "effect")) {
const char *effect_str = getString (reader, "effect");
if (strcmp (effect_str, "") != 0) {
g_print ("Using effect %s", effect_str);
GESEffect *effect = ges_effect_new (effect_str);
ges_container_add (GES_CONTAINER (clip),
GES_TIMELINE_ELEMENT (effect));
}
}
}
json_reader_end_element (reader);
}
json_reader_end_member (reader);
}
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);
}
