Add experimental dynamic art code by Hiren Joshi

CREDITS

@@ -30,3 +30,7 @@ David Imhoff (6219@thrijswijk.nl)
 James Turner (jmturner@users.sourceforge.net)
  * Fixes for OSX 10.2
  * configure.in suggestions
+
+Hiren Joshi (hirenj@mooh.org)
+ * Dynamic art code (!!)
+

ChangeLog

@@ -1,4 +1,14 @@
-2004-04-04  Ron Pedde  <ron@mac-laptop.dynamic.pedde.com>
+2004-04-13  Ron Pedde  <ron@pedde.com>
+
+	* src/dynamic-art.c: merged in patch from Hiren Joshi
+	(hirenj@mooh.org) to allow .jpg files to be transparently
+	streamed into the id3 tag.  ubercool.
+
+2004-04-11  Ron Pedde  <ron@pedde.com>
+
+	* src/err.c: add in support for a logfile.  Feature request #916153
+
+2004-04-04  Ron Pedde  <ron@pedde.com>
 
 	* src/mp3-scanner.c: add support for MPEG v 2 and 2.5.  Feature
 	request #916151

contrib/mt-daapd.conf

@@ -119,5 +119,21 @@ extensions .mp3,.m4a,.m4p
 
 #logfile /var/log/mt-daapd.log
 
+#
+# art_filename (optional)
+#
+# There is (experimental!) support thanks to Hiren Joshi
+# (hirenj@mooh.org) for dynamically adding art to the id3v2
+# header as it is streamed (!!).  If you were using a music system
+# like zina or andromeda, for example, with cover art called 
+# "_folderOpenImage.jpg", you could use the parameter
+# art_file _folderOpenImage.jpg and if the file _folderOpenImage.jpg
+# was located in the same folder as the .mp3 file, it would appear
+# in iTunes.  Cool, eh?
+#
+
+#art_filename _folderOpenImage.jpg
+
+
 
 

src/Makefile.am

@@ -23,7 +23,7 @@ mt_daapd_SOURCES = main.c daapd.h rend.h uici.c uici.h webserver.c \
 	daap-proto.c daap-proto.h daap.c daap.h db-gdbm.c db-memory.h \
 	mp3-scanner.h mp3-scanner.c playlist.c playlist.h rend-unix.c \
 	rend-unix.h lexer.l parser.y strcasestr.c strcasestr.h strsep.c \
-	redblack.c redblack.h \
+	redblack.c redblack.h dynamic-art.c dynamic-art.h \
 	$(PRENDSRC) $(ORENDSRC) $(HRENDSRC) 
 
 EXTRA_DIST = mDNS.c mDNSClientAPI.h mDNSDebug.h mDNSPosix.c \

src/configfile.c

@@ -109,6 +109,7 @@ CONFIGELEMENT config_elements[] = {
     { 0,0,0,CONFIG_TYPE_SPECIAL,"readonly",(void*)NULL,config_emit_readonly },
     { 0,0,0,CONFIG_TYPE_SPECIAL,"version",(void*)NULL,config_emit_version },
     { 0,0,0,CONFIG_TYPE_SPECIAL,"system",(void*)NULL,config_emit_system },
+    { 1,0,0,CONFIG_TYPE_STRING,"art_filename",(void*)&config.artfilename,config_emit_string },
     { 0,0,0,CONFIG_TYPE_SPECIAL,"flags",(void*)NULL,config_emit_flags },
     { -1,1,0,CONFIG_TYPE_STRING,NULL,NULL,NULL }
 };
@@ -164,6 +165,7 @@ int config_read(char *file) {
     config.mp3dir=NULL;
     config.playlist=NULL;
     config.runas=NULL;
+    config.artfilename=NULL;
     config.logfile=NULL;
     config.extensions=".mp3";
 

src/daapd.h

@@ -44,6 +44,7 @@ typedef struct tag_config {
     char *runas;
     char *dbdir;
     char *extensions;
+    char *artfilename;
     char *logfile;
     STATS stats;
 } CONFIG;

src/main.c

@@ -49,6 +49,7 @@
 #include "rend.h"
 #include "webserver.h"
 #include "playlist.h"
+#include "dynamic-art.h"
 
 #define DEFAULT_CONFIGFILE "/etc/mt-daapd.conf"
 
@@ -105,6 +106,8 @@ void daap_handler(WS_CONNINFO *pwsc) {
     int file_fd;
     int session_id=0;
 
+    int img_fd;
+
     off_t offset=0;
     off_t file_len;
 
@@ -279,12 +282,20 @@ void daap_handler(WS_CONNINFO *pwsc) {
 		DPRINTF(ERR_LOG,"Session %d: Streaming file '%s' to %s\n",session_id,
 			pmp3->fname, pwsc->hostname);
 		
+		if(!offset)
 		    config.stats.songs_served++; /* FIXME: remove stat races */
 
+		if((config.artfilename) && (img_fd=da_get_image_fd(pmp3->path)) && (!offset)) {
+		    DPRINTF(ERR_INFO,"Dynamically attaching artwork to %s\n",pmp3->fname);
+		    da_attach_image(img_fd, pwsc->fd, file_fd, offset);
+		    r_close(img_fd);
+		} else {
 		    if(offset) {
 			DPRINTF(ERR_INFO,"Seeking to offset %d\n",offset);
 			lseek(file_fd,offset,SEEK_SET);
 		    }
+		}
+
 		if(copyfile(file_fd,pwsc->fd)) {
 		    DPRINTF(ERR_INFO,"Error copying file to remote... %s\n",
 			    strerror(errno));