X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavutil%2Flog.c;h=37427efaf107f2acda7be20bf87a825483353b4e;hb=99684f3ae752fc8bfb44a2dd1482f8d7a3d8536d;hp=c447b5a10fd8f3621af0b7b6efd380a37924090d;hpb=7763118cae4eb468b032dbd29af15a011c2c233b;p=ffmpeg

diff --git a/libavutil/log.c b/libavutil/log.c
index c447b5a10fd..37427efaf10 100644
--- a/libavutil/log.c
+++ b/libavutil/log.c
@@ -40,18 +40,28 @@
 #include "internal.h"
 #include "log.h"
 
+#if HAVE_VALGRIND_VALGRIND_H
+#include <valgrind/valgrind.h>
+/* this is the log level at which valgrind will output a full backtrace */
+#define BACKTRACE_LOGLEVEL AV_LOG_ERROR
+#endif
+
 static int av_log_level = AV_LOG_INFO;
 static int flags;
 
+#define NB_LEVELS 8
 #if HAVE_SETCONSOLETEXTATTRIBUTE
 #include <windows.h>
-static const uint8_t color[] = { 12, 12, 12, 14, 7, 10, 11 };
+static const uint8_t color[NB_LEVELS] = { 12, 12, 12, 14, 7, 10, 11, 8};
 static int16_t background, attr_orig;
 static HANDLE con;
 #define set_color(x)  SetConsoleTextAttribute(con, background | color[x])
 #define reset_color() SetConsoleTextAttribute(con, attr_orig)
+#define print_256color(x)
 #else
-static const uint8_t color[] = { 0x41, 0x41, 0x11, 0x03, 9, 0x02, 0x06 };
+static const uint8_t color[NB_LEVELS] = {
+    0x41, 0x41, 0x11, 0x03, 9, 0x02, 0x06, 0x07
+};
 #define set_color(x)  fprintf(stderr, "\033[%d;3%dm", color[x] >> 4, color[x]&15)
 #define print_256color(x) fprintf(stderr, "\033[38;5;%dm", x)
 #define reset_color() fprintf(stderr, "\033[0m")
@@ -74,7 +84,8 @@ static void check_color_terminal(void)
     char *term = getenv("TERM");
     use_color = !getenv("NO_COLOR") && !getenv("AV_LOG_FORCE_NOCOLOR") &&
                 (getenv("TERM") && isatty(2) || getenv("AV_LOG_FORCE_COLOR"));
-    use_color += !!strstr(term, "256color") ;
+    if (use_color)
+        use_color += term && strstr(term, "256color");
 #else
     use_color = getenv("AV_LOG_FORCE_COLOR") && !getenv("NO_COLOR") &&
                !getenv("AV_LOG_FORCE_NOCOLOR");
@@ -117,7 +128,7 @@ void av_log_default_callback(void *avcl, int level, const char *fmt, va_list vl)
     char line[1024];
     static int is_atty;
     AVClass* avc = avcl ? *(AVClass **) avcl : NULL;
-    int tint = av_clip(level >> 8, 0, 256);
+    unsigned tint = level & 0xff00;
 
     level &= 0xff;
 
@@ -157,8 +168,13 @@ void av_log_default_callback(void *avcl, int level, const char *fmt, va_list vl)
         fprintf(stderr, "    Last message repeated %d times\n", count);
         count = 0;
     }
-    colored_fputs(av_clip(level >> 3, 0, 6), tint, line);
+    colored_fputs(av_clip(level >> 3, 0, NB_LEVELS - 1), tint >> 8, line);
     av_strlcpy(prev, line, sizeof line);
+
+#if CONFIG_VALGRIND_BACKTRACE
+    if (level <= BACKTRACE_LOGLEVEL)
+        VALGRIND_PRINTF_BACKTRACE("");
+#endif
 }
 
 static void (*av_log_callback)(void*, int, const char*, va_list) =