avformat: replace "AVPROBE_SCORE_MAX / X" by AVPROBE_SCORE_EXTENSION / Y

Demuxers where the changed code looked less readable where skiped
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

libavformat/aqtitledec.c

@@ -43,7 +43,7 @@ static int aqt_probe(AVProbeData *p)
     const char *ptr = p->buf;
 
     if (sscanf(ptr, "-->> %d", &frame) == 1)
-        return AVPROBE_SCORE_MAX / 2;
+        return AVPROBE_SCORE_EXTENSION;
     return 0;
 }
 

libavformat/avr.c

@@ -27,7 +27,7 @@
 static int avr_probe(AVProbeData *p)
 {
     if (AV_RL32(p->buf) == MKTAG('2', 'B', 'I', 'T'))
-        return AVPROBE_SCORE_MAX / 2;
+        return AVPROBE_SCORE_EXTENSION;
     return 0;
 }
 

libavformat/bit.c

@@ -44,7 +44,7 @@ static int probe(AVProbeData *p)
             return 0;
         i+=j;
     }
-    return AVPROBE_SCORE_MAX/2;
+    return AVPROBE_SCORE_EXTENSION;
 }
 
 static int read_header(AVFormatContext *s)

libavformat/boadec.c

@@ -35,7 +35,7 @@ static int probe(AVProbeData *p)
         || AV_RL32(p->buf + 48) % AV_RL32(p->buf + 21)
         )
         return 0;
-    return AVPROBE_SCORE_MAX / 2;
+    return AVPROBE_SCORE_EXTENSION;
 }
 
 

libavformat/cdxl.c

@@ -41,7 +41,7 @@ typedef struct CDXLDemuxContext {
 
 static int cdxl_read_probe(AVProbeData *p)
 {
-    int score = AVPROBE_SCORE_MAX / 2 + 10;
+    int score = AVPROBE_SCORE_EXTENSION + 10;
 
     if (p->buf_size < CDXL_HEADER_SIZE)
         return 0;

libavformat/jacosubdec.c

@@ -60,7 +60,7 @@ static int jacosub_probe(AVProbeData *p)
             ptr++;
         if (*ptr != '#' && *ptr != '\n') {
             if (timed_line(ptr))
-                return AVPROBE_SCORE_MAX/2 + 1;
+                return AVPROBE_SCORE_EXTENSION + 1;
             return 0;
         }
         ptr += strcspn(ptr, "\n") + 1;

libavformat/libquvi.c

@@ -127,7 +127,7 @@ static int libquvi_probe(AVProbeData *p)
     rc = quvi_init(&q);
     if (rc != QUVI_OK)
         return AVERROR(ENOMEM);
-    score = quvi_supported(q, (char *)p->filename) == QUVI_OK ? AVPROBE_SCORE_MAX/2 : 0;
+    score = quvi_supported(q, (char *)p->filename) == QUVI_OK ? AVPROBE_SCORE_EXTENSION : 0;
     quvi_close(&q);
     return score;
 }

libavformat/loasdec.c

@@ -52,9 +52,9 @@ static int loas_probe(AVProbeData *p)
         if(buf == buf0)
             first_frames= frames;
     }
-    if   (first_frames>=3) return AVPROBE_SCORE_MAX/2+1;
-    else if(max_frames>100)return AVPROBE_SCORE_MAX/2;
-    else if(max_frames>=3) return AVPROBE_SCORE_MAX/4;
+    if   (first_frames>=3) return AVPROBE_SCORE_EXTENSION+1;
+    else if(max_frames>100)return AVPROBE_SCORE_EXTENSION;
+    else if(max_frames>=3) return AVPROBE_SCORE_EXTENSION / 2;
     else                   return 0;
 }
 

libavformat/lvfdec.c

@@ -26,7 +26,7 @@
 static int lvf_probe(AVProbeData *p)
 {
     if (AV_RL32(p->buf) == MKTAG('L', 'V', 'F', 'F'))
-        return AVPROBE_SCORE_MAX / 2;
+        return AVPROBE_SCORE_EXTENSION;
     return 0;
 }
 

libavformat/mpsubdec.c

@@ -41,7 +41,7 @@ static int mpsub_probe(AVProbeData *p)
 
         if (!memcmp(ptr, "FORMAT=TIME", 11) ||
             sscanf(ptr, "FORMAT=%d", &n) == 1)
-            return AVPROBE_SCORE_MAX/2;
+            return AVPROBE_SCORE_EXTENSION;
         ptr += strcspn(ptr, "\n") + 1;
     }
     return 0;

libavformat/realtextdec.c

@@ -41,7 +41,7 @@ static int realtext_probe(AVProbeData *p)
 
     if (AV_RB24(ptr) == 0xEFBBBF)
         ptr += 3;  /* skip UTF-8 BOM */
-    return !av_strncasecmp(ptr, "<window", 7) ? AVPROBE_SCORE_MAX/2 : 0;
+    return !av_strncasecmp(ptr, "<window", 7) ? AVPROBE_SCORE_EXTENSION : 0;
 }
 
 static int read_ts(const char *s)

libavformat/subviewer1dec.c

@@ -36,7 +36,7 @@ static int subviewer1_probe(AVProbeData *p)
     const unsigned char *ptr = p->buf;
 
     if (strstr(ptr, "******** START SCRIPT ********"))
-        return AVPROBE_SCORE_MAX / 2;
+        return AVPROBE_SCORE_EXTENSION;
     return 0;
 }
 

libavformat/subviewerdec.c

@@ -44,7 +44,7 @@ static int subviewer_probe(AVProbeData *p)
     if (AV_RB24(ptr) == 0xEFBBBF)
         ptr += 3;  /* skip UTF-8 BOM */
     if (sscanf(ptr, "%*u:%*u:%*u.%*u,%*u:%*u:%*u.%*u%c", &c) == 1)
-        return AVPROBE_SCORE_MAX/2;
+        return AVPROBE_SCORE_EXTENSION;
     if (!strncmp(ptr, "[INFORMATION]", 13))
         return AVPROBE_SCORE_MAX/3;
     return 0;

libavformat/tedcaptionsdec.c

@@ -340,7 +340,7 @@ static av_cold int tedcaptions_read_probe(AVProbeData *p)
             count++;
     }
     return count == FF_ARRAY_ELEMS(tags) ? AVPROBE_SCORE_MAX :
-           count                         ? AVPROBE_SCORE_MAX / 2 : 0;
+           count                         ? AVPROBE_SCORE_EXTENSION : 0;
 }
 
 static int tedcaptions_read_seek(AVFormatContext *avf, int stream_index,

libavformat/wavdec.c

@@ -99,7 +99,7 @@ static int wav_probe(AVProbeData *p)
 static void handle_stream_probing(AVStream *st)
 {
     if (st->codec->codec_id == AV_CODEC_ID_PCM_S16LE) {
-        st->request_probe = AVPROBE_SCORE_MAX/2;
+        st->request_probe = AVPROBE_SCORE_EXTENSION;
         st->probe_packets = FFMIN(st->probe_packets, 4);
     }
 }
@@ -427,7 +427,7 @@ static int wav_read_packet(AVFormatContext *s, AVPacket *pkt)
         enum AVCodecID codec;
         ret = ff_spdif_probe(s->pb->buffer, s->pb->buf_end - s->pb->buffer,
                              &codec);
-        if (ret > AVPROBE_SCORE_MAX / 2) {
+        if (ret > AVPROBE_SCORE_EXTENSION) {
             s->streams[0]->codec->codec_id = codec;
             wav->spdif = 1;
         } else {