tag demos requiring ffmpeg

doc/man/man1/notcurses-demo.1.md

@@ -61,6 +61,7 @@ At any time, press 'q' to quit. The demo is best run in at least a 80x45 termina
 demospec: Select which demos to run, and what order to run them in. The default is **ixetbcgpwuvlfsjo**. See above for a list of demos.
 
 # NOTES
+
 Proper display requires:
 
 * A terminal advertising the **rgb** terminfo(5) capability, or that the environment variable **COLORTERM** is defined to **24bit** (and that the terminal honors this variable),
@@ -72,10 +73,10 @@ non-free under the Debian Free Software Guidelines. As a result, the
 **chunli**, **eagle**, **fallin'**, **jungle**, **luigi**, and **view** demos
 are unavailable through the Debian package.
 
-# BUGS
+If notcurses is built without FFmpeg, the **chunli**, **eagle**, **fallin'**,
+**outro**, **view**, and **xray** demos will be unavailable.
 
-If notcurses is built without FFmpeg, the following demos will fail immedaitely when specified: **xray**,
-**eagle**, **chunli**, **fallin'**, **view**, **outro**.
+# BUGS
 
 # AUTHORS
 
@@ -83,7 +84,8 @@ If notcurses is built without FFmpeg, the following demos will fail immedaitely
 * Images from Street Fighter II and Mega Man 2 copyright Capcom of America.
 * Images from Super Mario Bros. copyright Nintendo of America.
 * Images from Ninja Gaiden copyright Koei Tecmo America.
-* "Jungle with Rain" and "Ruins with Rain" copyright Mark Ferrari.
+* Images from Final Fantasy copyright Square Enix Co Ltd.
+* "Jungle with Rain" and "Ruins with Rain" copyright Mark Ferrari/Living Worlds.
 
 # SEE ALSO
 notcurses(3notcurses), ncurses(3ncurses), terminfo(5)

src/demo/demo.c

@@ -21,10 +21,14 @@ static demoresult* results;
 static char datadir[PATH_MAX];
 static atomic_bool interrupted = ATOMIC_VAR_INIT(false);
 
-#ifndef DFSG_BUILD
-static const char DEFAULT_DEMO[] = "ixetbcgpwuvlfsjo";
+#ifdef DISABLE_FFMPEG
+static const char DEFAULT_DEMO[] = "itbgpwus";
 #else
+#ifdef DFSG_BUILD
 static const char DEFAULT_DEMO[] = "ixtbgpwuso";
+#else
+static const char DEFAULT_DEMO[] = "ixetbcgpwuvlfsjo";
+#endif
 #endif
 
 void interrupt_demo(void){
@@ -71,40 +75,53 @@ struct timespec demodelay = {
   .tv_nsec = 0,
 };
 
+// anything that's dfsg non-free requires ncvisual (i.e. it's all multimedia),
+// so also check for FFMPEG_DISABLE here in DFSG_BUILD
 #ifndef DFSG_BUILD
-#define NONFREE(name, fxn) { name, fxn, },
+#ifndef DISABLE_FFMPEG
+#define NONFREE(name, fxn) { name, fxn, }
+#endif
+#endif
+#ifndef NONFREE
+#define NONFREE(name, fxn) { NULL, NULL, }
+#endif
+
+#ifndef DISABLE_FFMPEG
+#define FREEFFMPEG(name, fxn) { name, fxn, }
 #else
-#define NONFREE(name, fxn) { NULL, NULL, },
+#define FREEFFMPEG(name, fxn) { NULL, NULL, }
 #endif
 
+// define with NONFREE() to exempt from any DFSG or non-FFmpeg build. define
+// with FREEFFMPEG() to exempt from any non-FFmpeg build.
 static struct {
   const char* name;
   int (*fxn)(struct notcurses*);
 } demos[26] = {
   { NULL, NULL, },
   { "box", box_demo, },
-  NONFREE("chunli", chunli_demo)
+  NONFREE("chunli", chunli_demo),
   { NULL, NULL, },
-  NONFREE("eagle", eagle_demo)
-  NONFREE("fallin'", fallin_demo)
+  NONFREE("eagle", eagle_demo),
+  NONFREE("fallin'", fallin_demo),
   { "grid", grid_demo, },
   { NULL, NULL, },
   { "intro", intro, },
-  NONFREE("jungle", jungle_demo)
+  NONFREE("jungle", jungle_demo),
   { NULL, NULL, },
-  NONFREE("luigi", luigi_demo)
+  NONFREE("luigi", luigi_demo),
   { NULL, NULL, },
   { NULL, NULL, },
-  { "outro", outro, },
+  FREEFFMPEG("outro", outro),
   { "panelreel", panelreel_demo, },
   { NULL, NULL, },
   { NULL, NULL, },
   { "sliders", sliding_puzzle_demo, },
   { "trans", trans_demo, },
   { "uniblock", unicodeblocks_demo, },
-  NONFREE("view", view_demo)
+  NONFREE("view", view_demo),
   { "whiteout", witherworm_demo, },
-  { "xray", xray_demo, },
+  FREEFFMPEG("xray", xray_demo),
   { NULL, NULL, },
   { NULL, NULL, },
 };
@@ -359,7 +376,9 @@ summary_table(struct ncdirect* nc, const char* spec){
     fprintf(stderr, "\nError running demo. Is \"%s\" the correct data path?\n", datadir);
   }
 #ifdef DFSG_BUILD
-  fprintf(stderr, "DFSG version. Some demos are missing.\n");
+  ncdirect_fg_rgb8(nc, 0xfe, 0x20, 0x76); // PANTONE Strong Red C + 3x0x20
+  fflush(stdout); // in case we print to stderr below, we want color from above
+  fprintf(stderr, "\nDFSG version. Some demos are missing.\n");
 #endif
   return failed;
 }

src/lib/internal.h

@@ -94,7 +94,9 @@ typedef struct ncvisual {
   int placex, placey;
   ncscale_e style;         // none, scale, or stretch
   struct notcurses* ncobj; // set iff this ncvisual "owns" its ncplane
+#ifndef DISABLE_FFMPEG
   AVSubtitle subtitle;
+#endif
 } ncvisual;
 
 // current presentation state of the terminal. it is carried across render

src/lib/libav.c

@@ -570,11 +570,12 @@ int ncvisual_render(const ncvisual* ncv, int begy, int begx, int leny, int lenx)
   return -1;
 }
 
-int ncvisual_stream(notcurses* nc, ncvisual* ncv, int* averr,
-                    streamcb streamer, void* curry){
+int ncvisual_stream(struct notcurses* nc, struct ncvisual* ncv, int* averr,
+                    float timespec, streamcb streamer, void* curry){
   (void)nc;
   (void)ncv;
   (void)averr;
+  (void)timespec;
   (void)streamer;
   (void)curry;
   return -1;

src/lib/notcurses.c

@@ -744,6 +744,7 @@ void notcurses_reset_stats(notcurses* nc, ncstats* stats){
 // Convert a notcurses log level to its ffmpeg equivalent.
 static int
 ffmpeg_log_level(ncloglevel_e level){
+#ifndef DISABLE_FFMPEG
   switch(level){
     case NCLOGLEVEL_SILENT: return AV_LOG_QUIET;
     case NCLOGLEVEL_PANIC: return AV_LOG_PANIC;
@@ -758,6 +759,9 @@ ffmpeg_log_level(ncloglevel_e level){
   }
   fprintf(stderr, "Invalid log level: %d\n", level);
   return AV_LOG_TRACE;
+#else
+  return level;
+#endif
 }
 
 ncdirect* notcurses_directmode(const char* termtype, FILE* outfp){