ncvisual_ need hot dispatch on _init #1309

src/lib/internal.h

@@ -1060,6 +1060,7 @@ int drop_signals(void* nc);
 void ncvisual_printbanner(const notcurses* nc);
 
 typedef struct ncvisual_implementation {
+  int (*ncvisual_init)(int loglevel);
   void (*ncvisual_printbanner)(const struct notcurses* nc);
   int (*ncvisual_blit)(struct ncvisual* ncv, int rows, int cols, ncplane* n,
                        const struct blitset* bset, int placey, int placex,

src/lib/visual.cpp

@@ -39,8 +39,10 @@ auto ncvisual_details_seed(struct ncvisual* ncv) -> void {
   }
 }
 
-auto __attribute__ ((weak))
-ncvisual_init(int loglevel __attribute__ ((unused))) -> int {
+auto ncvisual_init(int loglevel) -> int {
+  if(visual_implementation){
+    return visual_implementation->ncvisual_init(loglevel);
+  }
   return 0;
 }
 

src/media/ffmpeg.cpp

@@ -542,7 +542,6 @@ auto ncvisual_details_seed(ncvisual* ncv) -> void {
 }
 
 auto ffmpeg_log_level(int level) -> int{
-#ifdef USE_FFMPEG
   switch(level){
     case NCLOGLEVEL_SILENT: return AV_LOG_QUIET;
     case NCLOGLEVEL_PANIC: return AV_LOG_PANIC;
@@ -557,12 +556,9 @@ auto ffmpeg_log_level(int level) -> int{
   }
   fprintf(stderr, "Invalid log level: %d\n", level);
   return AV_LOG_TRACE;
-#else
-  return level;
-#endif
 }
 
-auto ncvisual_init(int loglevel) -> int {
+auto ffmpeg_init(int loglevel) -> int {
   av_log_set_level(ffmpeg_log_level(loglevel));
   // FIXME could also use av_log_set_callback() and capture the message...
   return 0;
@@ -589,6 +585,7 @@ auto ncvisual_details_destroy(ncvisual_details* deets) -> void {
 }
 
 const static ncvisual_implementation ffmpeg_impl = {
+  .ncvisual_init = ffmpeg_init,
   .ncvisual_printbanner = ncvisual_printbanner,
   .ncvisual_blit = ffmpeg_blit,
   .ncvisual_create = ncvisual_create,

src/media/oiio.cpp

@@ -257,7 +257,7 @@ auto oiio_details_seed(ncvisual* ncv) -> void {
   // FIXME?
 }
 
-int ncvisual_init(int loglevel __attribute__ ((unused))) {
+int oiio_init(int loglevel __attribute__ ((unused))) {
   // FIXME set OIIO global attribute "debug" based on loglevel
   // FIXME check OIIO_VERSION_STRING components against linked openimageio_version()
   return 0; // allow success here
@@ -269,6 +269,7 @@ void oiio_printbanner(const notcurses* nc __attribute__ ((unused))){
 }
 
 const static ncvisual_implementation oiio_impl = {
+  .ncvisual_init = oiio_init,
   .ncvisual_printbanner = oiio_printbanner,
   .ncvisual_blit = oiio_blit,
   .ncvisual_create = oiio_create,