static int _BarFlyTagFetchCover(uint8_t** cover_art, size_t* cover_size,
char const* url, BarSettings_t const* settings)
{
int exit_status = 0;
int status;
uint8_t* tmp_cover_art = NULL;
size_t tmp_cover_size;
assert(cover_art != NULL);
assert(cover_size != NULL);
assert(url != NULL);
assert(settings != NULL);
/*
* Fetch the cover art.
*/
status = _BarFlyFetchURL(url, &tmp_cover_art, &tmp_cover_size, settings);
if (status != 0) {
BarUiMsg(settings, MSG_ERR, "Could not get the cover art.\n");
goto error;
}
*cover_art = tmp_cover_art;
tmp_cover_art = NULL;
*cover_size = tmp_cover_size;
goto end;
error:
exit_status = -1;
end:
if (tmp_cover_art != NULL) {
free(tmp_cover_art);
}
return exit_status;
}
int BarFlyOpen(BarFly_t* fly, PianoSong_t const* song,
BarSettings_t const* settings)
{
char const* const XML_STRING = "/xml/";
int exit_status = 0;
int status;
BarFly_t output_fly;
char* buffer = NULL;
char* song_content_url = NULL;
char* xml_pos;
char* question_pos;
int xml_len = strlen(XML_STRING);
assert(fly != NULL);
assert(song != NULL);
assert(settings != NULL);
/*
* Initialize the BarFly_t members.
*/
memset(&output_fly, 0, sizeof(BarFly_t));
output_fly.audio_file = NULL;
output_fly.completed = false;
output_fly.status = NOT_RECORDING;
/*
* Copy the artist, album, title, and audio format.
*/
strncpy(output_fly.artist, song->artist, BAR_FLY_NAME_LENGTH);
output_fly.artist[BAR_FLY_NAME_LENGTH - 1] = '\0';
strncpy(output_fly.album, song->album, BAR_FLY_NAME_LENGTH);
output_fly.album[BAR_FLY_NAME_LENGTH - 1] = '\0';
strncpy(output_fly.title, song->title, BAR_FLY_NAME_LENGTH);
output_fly.title[BAR_FLY_NAME_LENGTH - 1] = '\0';
output_fly.audio_format = song->audioFormat;
/*
* Get the song content URL and extract the cover art URL. The song
* content URL is the same as the song explorer URL except that "/xml" is
* replaced with "/content/".
*/
question_pos = strchr(song->songExplorerUrl, '?');
if (question_pos == NULL) {
question_pos = song->songExplorerUrl + strlen(song->songExplorerUrl);
}
xml_pos = strstr(song->songExplorerUrl, XML_STRING);
if (xml_pos == NULL) {
BarUiMsg(settings, MSG_DEBUG, "The song explorer URL did not contain "
"the expected \"/xml/\" substring. The cover art will not be "
"added to the tag.\n");
exit_status = -1;
}
if (xml_pos != NULL) {
status = BarFlyasprintf(&song_content_url, "%.*s/content/%.*s",
(int)(xml_pos - song->songExplorerUrl), song->songExplorerUrl,
(int)(question_pos - xml_pos) - xml_len, xml_pos + xml_len);
if (status == -1) {
BarUiMsg(settings, MSG_DEBUG, "Error copying the song content URL. "
"The cover art will not be added to the tag. (%d:%s)\n",
errno, strerror(errno));
exit_status = -1;
}
if (song_content_url != NULL) {
status = _BarFlyFetchURL(song_content_url, (uint8_t**)&buffer, NULL,
settings);
if (status != 0) {
BarUiMsg(settings, MSG_DEBUG, "Couldn't get the song content "
"page. The cover art will not be added to the tag.\n");
exit_status = -1;
}
if (buffer != NULL) {
// status = _BarFlyParseYear(album_buf, &output_fly.year,
// settings);
// if (status != 0) {
// BarUiMsg(settings, MSG_DEBUG, "The album release year will "
// "not be added to the tag.\n");
// exit_status = -1;
// }
output_fly.cover_art_url = _BarFlyParseCoverArtURL(buffer,
settings);
if (output_fly.cover_art_url == NULL) {
BarUiMsg(settings, MSG_DEBUG, "The cover art will not be "
"addded to the tag.\n");
exit_status = -1;
}
free(buffer);
buffer = NULL;
}
}
}
/*
* Get the album explorer page and extract the track and disc numbers.
*/
status = _BarFlyFetchURL(song->albumExplorerUrl, (uint8_t**)&buffer,
NULL, settings);
if (status != 0) {
BarUiMsg(settings, MSG_DEBUG, "Couldn't get the album explorer page. "
"The track and disc numbers will not be added to the tag.\n");
exit_status = -1;
}
if (buffer != NULL) {
status = _BarFlyParseTrackDisc(song->title, buffer,
&output_fly.track, &output_fly.disc, settings);
if (status != 0) {
BarUiMsg(settings, MSG_DEBUG, "The track and disc numbers will not "
"be added to the tag.\n");
exit_status = -1;
}
}
/*
* Get the path to the file.
*/
output_fly.audio_file_path = _BarFlyFileGetPath(song->artist, song->album,
song->title, output_fly.year, output_fly.track, output_fly.disc,
song->audioFormat, settings);
if (output_fly.audio_file_path == NULL) {
goto error;
}
/*
* Open a stream to the file.
*/
status = _BarFlyFileOpen(&output_fly.audio_file,
output_fly.audio_file_path, settings);
if (status == 0) {
output_fly.status = RECORDING;
} else if (status == -2) {
output_fly.status = NOT_RECORDING_EXIST;
output_fly.completed = true;
} else {
output_fly.completed = true;
goto error;
}
/*
* All members of the BarFly_t structure were created successfully. Copy
* them from the temporary structure to the one passed in.
*/
memcpy(fly, &output_fly, sizeof(BarFly_t));
memset(&output_fly, 0, sizeof(BarFly_t));
goto end;
error:
exit_status = -1;
end:
if (buffer != NULL) {
free(buffer);
}
if (song_content_url != NULL) {
free(song_content_url);
}
if (output_fly.audio_file != NULL) {
fclose(output_fly.audio_file);
}
if (output_fly.audio_file_path != NULL) {
free(output_fly.audio_file_path);
}
if (output_fly.cover_art_url != NULL) {
free(output_fly.cover_art_url);
}
return exit_status;
}
int BarFlyOpen(BarFly_t* fly, PianoSong_t const* song,
BarSettings_t const* settings)
{
int exit_status = 0;
int status;
BarFly_t output_fly;
char* album_buf = NULL;
assert(fly != NULL);
assert(song != NULL);
assert(settings != NULL);
/*
* Initialize the BarFly_t members.
*/
memset(&output_fly, 0, sizeof(BarFly_t));
output_fly.audio_file = NULL;
output_fly.completed = false;
output_fly.status = NOT_RECORDING;
/*
* Copy the artist, album, title, and audio format.
*/
strncpy(output_fly.artist, song->artist, BAR_FLY_NAME_LENGTH);
output_fly.artist[BAR_FLY_NAME_LENGTH - 1] = '\0';
strncpy(output_fly.album, song->album, BAR_FLY_NAME_LENGTH);
output_fly.album[BAR_FLY_NAME_LENGTH - 1] = '\0';
strncpy(output_fly.title, song->title, BAR_FLY_NAME_LENGTH);
output_fly.title[BAR_FLY_NAME_LENGTH - 1] = '\0';
output_fly.audio_format = song->audioFormat;
/*
* Get the album detail page and extract the year and cover art URL.
*/
status = _BarFlyFetchURL(song->albumDetailURL, (uint8_t**)&album_buf,
NULL, settings);
if (status != 0) {
BarUiMsg(settings, MSG_DEBUG, "Couldn't get the album detail page. "
"The year and cover art will not be added to the tag.\n");
exit_status = -1;
}
if (album_buf != NULL) {
status = _BarFlyParseYear(album_buf, &output_fly.year, settings);
if (status != 0) {
BarUiMsg(settings, MSG_DEBUG, "The album release year will not be "
"added to the tag.\n");
exit_status = -1;
}
output_fly.cover_art_url = _BarFlyParseCoverArtURL(album_buf, settings);
if (output_fly.cover_art_url == NULL) {
BarUiMsg(settings, MSG_DEBUG, "The cover art will not be addded to the "
"tag.\n");
exit_status = -1;
}
free(album_buf);
album_buf = NULL;
}
/*
* Get the album explorer page and extract the track and disc numbers.
*/
status = _BarFlyFetchURL(song->albumExplorerUrl, (uint8_t**)&album_buf,
NULL, settings);
if (status != 0) {
BarUiMsg(settings, MSG_DEBUG, "Couldn't get the album explorer page. "
"The track and disc numbers will not be added to the tag.\n");
exit_status = -1;
}
if (album_buf != NULL) {
status = _BarFlyParseTrackDisc(song->title, album_buf,
&output_fly.track, &output_fly.disc, settings);
if (status != 0) {
BarUiMsg(settings, MSG_DEBUG, "The track and disc numbers will not "
"be added to the tag.\n");
exit_status = -1;
}
}
/*
* Get the path to the file.
*/
output_fly.audio_file_path = _BarFlyFileGetPath(song->artist, song->album,
song->title, output_fly.year, output_fly.track, output_fly.disc,
song->audioFormat, settings);
if (output_fly.audio_file_path == NULL) {
goto error;
}
/*
* Open a stream to the file.
*/
status = _BarFlyFileOpen(&output_fly.audio_file,
output_fly.audio_file_path, settings);
if (status == 0) {
output_fly.status = RECORDING;
} else if (status == -2) {
output_fly.status = NOT_RECORDING_EXIST;
output_fly.completed = true;
} else {
output_fly.completed = true;
goto error;
}
/*
* All members of the BarFly_t structure were created successfully. Copy
* them from the temporary structure to the one passed in.
*/
memcpy(fly, &output_fly, sizeof(BarFly_t));
memset(&output_fly, 0, sizeof(BarFly_t));
goto end;
error:
exit_status = -1;
end:
if (album_buf != NULL) {
free(album_buf);
}
if (output_fly.audio_file != NULL) {
fclose(output_fly.audio_file);
}
if (output_fly.audio_file_path != NULL) {
free(output_fly.audio_file_path);
}
if (output_fly.cover_art_url != NULL) {
free(output_fly.cover_art_url);
}
return exit_status;
}