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https://gitlab.xiph.org/xiph/ezstream.git
synced 2024-11-03 04:17:18 -05:00
Merge processMetadata() changes:
* Fix how the metadata string is generated. Don't include the " - " in the output if either artist or title are missing from ID3v1/Vorbis tags. * Print the correct error message when ov_open() fails. * Improve filename-based generation of metadata. Use a copy of fileName for basename(), which may modify its argument in some places where the old, weird POSIX implementation is used. Also, basename() is not infallible, but when it fails, it is annoying for us. Assert that it cannot fail since we feed it with path names < PATH_MAX (handled in playlist.c and configfile.c.) In short, make processMetadata() always return something more or less useful as long as the file in question can be opened. git-svn-id: https://svn.xiph.org/trunk/ezstream@12554 0101bb08-14d6-0310-b084-bc0e0c8e3800
This commit is contained in:
moritz
parent
d657af0b8a
commit
31b8880bd4
218
src/ezstream.c
218
src/ezstream.c
@ -138,6 +138,7 @@ int urlParse(const char *, char **, int *, char **);
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void replaceString(const char *, char *, size_t, const char *, const char *);
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void setMetadata(shout_t *, const char *);
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char * buildCommandString(const char *, const char *, const char *);
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char * processMetadata(shout_t *, const char *, const char *);
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int streamPlaylist(shout_t *, const char *);
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char * getProgname(const char *);
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void usage(void);
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@ -306,110 +307,157 @@ buildCommandString(const char *extension, const char *fileName,
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return (commandString);
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}
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char * processMetadata(shout_t *shout, char *extension, char *fileName) {
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FILE *filepstream = NULL;
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char *artist = NULL;
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char *title = NULL;
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char *songInfo = NULL;
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int songLen = 0;
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ID3Tag id3tag;
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char temptrackName[31];
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char tempartistName[31];
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char *
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processMetadata(shout_t *shout, const char *extension, const char *fileName)
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{
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FILE *filepstream = NULL;
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char *songInfo = NULL;
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size_t songLen = 0;
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ID3Tag id3tag;
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shout_metadata_t *pmetadata = NULL;
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filepstream = fopen(fileName, "rb");
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if (filepstream == NULL) {
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printf("Cannot open (%s) - No metadata support.\n", fileName);
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return strdup(blankString);
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if ((filepstream = fopen(fileName, "rb")) == NULL) {
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printf("%s: processMetadata(): %s: %s\n",
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__progname, fileName, strerror(errno));
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return (xstrdup(blankString));
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}
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if (!strcmp(extension, ".mp3")) {
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if (strcmp(extension, ".mp3") == 0) {
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/* Look for the ID3 tag */
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if (filepstream) {
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memset(&id3tag, '\000', sizeof(id3tag));
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fseek(filepstream, -128L, SEEK_END);
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fread(&id3tag, 1, 127, filepstream);
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if (!strncmp(id3tag.tag, "TAG", strlen("TAG"))) {
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/* We have an Id3 tag */
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memset(temptrackName, '\000', sizeof(temptrackName));
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memset(tempartistName, '\000', sizeof(tempartistName));
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snprintf(temptrackName, sizeof(temptrackName)-1, "%s", id3tag.trackName);
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snprintf(tempartistName, sizeof(tempartistName)-1, "%s", id3tag.artistName);
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memset(&id3tag, '\000', sizeof(id3tag));
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fseek(filepstream, -128L, SEEK_END);
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fread(&id3tag, 1, 127, filepstream);
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if (strncmp(id3tag.tag, "TAG", strlen("TAG")) == 0) {
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char tempTrackName[31];
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char tempArtistName[31];
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songLen = sizeof(tempartistName) + strlen(" - ") + sizeof(temptrackName) + 1;
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songInfo = (char *)malloc(songLen);
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memset(songInfo, '\000', songLen);
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snprintf(tempTrackName, sizeof(tempTrackName), "%s",
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id3tag.trackName);
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snprintf(tempArtistName, sizeof(tempArtistName), "%s",
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id3tag.artistName);
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snprintf(songInfo, songLen-1, "%s - %s", tempartistName, temptrackName);
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if (strlen(tempTrackName) > 0 ||
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strlen(tempArtistName) > 0) {
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songLen = strlen(tempArtistName) +
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strlen(" - ") + strlen(tempTrackName)
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+ 1;
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songInfo = xmalloc(songLen);
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strlcpy(songInfo, tempArtistName, songLen);
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if (strlen(songInfo) > 0 &&
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strlen(tempTrackName) > 0)
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strlcat(songInfo, " - ", songLen);
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strlcat(songInfo, tempTrackName, songLen);
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}
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}
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}
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if (!strcmp(extension, ".ogg")) {
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OggVorbis_File vf;
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if(ov_open(filepstream, &vf, NULL, 0) < 0) {
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printf("Input does not appear to be an Ogg Vorbis bitstream. No metadata support.\n");
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}
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else {
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char **ptr=ov_comment(&vf,-1)->user_comments;
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} else if (strcmp(extension, ".ogg") == 0) {
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OggVorbis_File vf;
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int ret;
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if ((ret = ov_open(filepstream, &vf, NULL, 0)) != 0) {
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switch (ret) {
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case OV_EREAD:
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printf("%s: No metadata support: %s: Media read error.\n",
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__progname, fileName);
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break;
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case OV_ENOTVORBIS:
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printf("%s: No metadata support: %s: Invalid Vorbis bitstream.\n",
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__progname, fileName);
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break;
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case OV_EVERSION:
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printf("%s: No metadata support: %s: Vorbis version mismatch.\n",
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__progname, fileName);
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break;
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case OV_EBADHEADER:
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printf("%s: No metadata support: %s: Invalid Vorbis bitstream header.\n",
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__progname, fileName);
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break;
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case OV_EFAULT:
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printf("%s: Fatal: Internal libvorbisfile fault.\n",
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__progname);
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abort();
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default:
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printf("%s: No metadata support: %s: ov_read() returned unknown error.\n",
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__progname, fileName);
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break;
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}
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} else {
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char **ptr = ov_comment(&vf, -1)->user_comments;
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char *artist = NULL;
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char *title = NULL;
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while(*ptr){
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if (!STRNCASECMP(*ptr, "ARTIST", strlen("ARTIST"))) {
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artist = (char *)strdup(*ptr + strlen("ARTIST="));
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}
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if (!STRNCASECMP(*ptr, "TITLE", strlen("TITLE"))) {
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title = (char *)strdup(*ptr + strlen("TITLE="));
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}
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if (artist == NULL &&
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STRNCASECMP(*ptr, "ARTIST", strlen("ARTIST")) == 0)
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artist = xstrdup(*ptr + strlen("ARTIST="));
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if (title == NULL &&
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STRNCASECMP(*ptr, "TITLE", strlen("TITLE")) == 0)
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title = xstrdup(*ptr + strlen("TITLE="));
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++ptr;
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}
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if (artist) {
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songLen = songLen + strlen(artist);
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}
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if (title) {
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songLen = songLen + strlen(title);
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}
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songLen = songLen + strlen(" - ") + 1;
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songInfo = (char *)malloc(songLen);
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memset(songInfo, '\000', songLen);
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if (artist) {
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strcat(songInfo, artist);
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strcat(songInfo, " - ");
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free(artist);
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}
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if (title) {
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strcat(songInfo, title);
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free(title);
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if (artist != NULL || title != NULL) {
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songLen = 0;
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if (artist != NULL)
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songLen += strlen(artist);
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if (title != NULL)
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songLen += strlen(title);
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songLen += strlen(" - ") + 1;
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songInfo = xcalloc(1, songLen);
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if (artist != NULL)
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strlcpy(songInfo, artist, songLen);
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if (title != NULL) {
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if (artist != NULL)
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strlcat(songInfo, " - ", songLen);
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strlcat(songInfo, title, songLen);
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xfree(title);
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}
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if (artist != NULL)
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xfree(artist);
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}
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ov_clear(&vf);
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filepstream = NULL;
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}
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}
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if (!songInfo) {
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/* If we didn't get any song info via tags or comments,
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then lets just use the filename */
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char *p1 = NULL;
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char *p2 = basename(fileName);
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if (p2) {
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songInfo = strdup(p2);
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p1 = strrchr(songInfo, '.');
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if (p1) {
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*p1 = '\000';
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}
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}
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}
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if (songInfo) {
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shout_metadata_t *pmetadata = shout_metadata_new();
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shout_metadata_add(pmetadata, "song", songInfo);
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shout_set_metadata(shout, pmetadata);
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shout_metadata_free(pmetadata);
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}
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else {
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songInfo = strdup(blankString);
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}
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if (filepstream) {
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if (filepstream != NULL)
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fclose(filepstream);
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if (songInfo == NULL) {
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/*
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* If we didn't get any song info via tags or comments, then
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* let's just use the filename.
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*/
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char *p1 = NULL;
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char *p2 = NULL;;
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char *filename_copy = NULL;
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filename_copy = xstrdup(fileName);
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p2 = basename(filename_copy);
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if (p2 == NULL) {
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/* Assert that basename() cannot fail. */
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printf("%s: Internal error: basename() failed with '%s'\n",
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__progname, filename_copy);
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exit(1);
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}
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songInfo = xstrdup(p2);
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xfree(filename_copy);
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p1 = strrchr(songInfo, '.');
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if (p1 != NULL)
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*p1 = '\000';
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}
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printf("Songinfo is (%s)\n", songInfo);
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return songInfo;
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if ((pmetadata = shout_metadata_new()) == NULL) {
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printf("%s: shout_metadata_new(): %s\n", __progname,
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strerror(ENOMEM));
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exit(1);
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}
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shout_metadata_add(pmetadata, "song", songInfo);
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shout_set_metadata(shout, pmetadata);
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shout_metadata_free(pmetadata);
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return (songInfo);
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}
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FILE *openResource(shout_t *shout, char *fileName, int *popenFlag)
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