use standard INT64_MAX instead of MAXINT64 (and MIN)

Originally committed as revision 7241 to svn://svn.ffmpeg.org/ffmpeg/trunk

ffmpeg.c

@@ -881,7 +881,7 @@ static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
         }
     }
 
-    ti = MAXINT64;
+    ti = INT64_MAX;
     enc = ost->st->codec;
     if (enc->codec_type == CODEC_TYPE_VIDEO) {
         frame_number = ost->frame_number;

libavformat/avformat.h

@@ -39,14 +39,6 @@ extern "C" {
 
 /* packet functions */
 
-#ifndef MAXINT64
-#define MAXINT64 INT64_C(0x7fffffffffffffff)
-#endif
-
-#ifndef MININT64
-#define MININT64 INT64_C(0x8000000000000000)
-#endif
-
 typedef struct AVPacket {
     int64_t pts;                            ///< presentation time stamp in time_base units
     int64_t dts;                            ///< decompression time stamp in time_base units

libavformat/utils.c

@@ -1472,8 +1472,8 @@ static void av_update_stream_timings(AVFormatContext *ic)
     int i;
     AVStream *st;
 
-    start_time = MAXINT64;
-    end_time = MININT64;
+    start_time = INT64_MAX;
+    end_time = INT64_MIN;
     for(i = 0;i < ic->nb_streams; i++) {
         st = ic->streams[i];
         if (st->start_time != AV_NOPTS_VALUE) {
@@ -1488,9 +1488,9 @@ static void av_update_stream_timings(AVFormatContext *ic)
             }
         }
     }
-    if (start_time != MAXINT64) {
+    if (start_time != INT64_MAX) {
         ic->start_time = start_time;
-        if (end_time != MININT64) {
+        if (end_time != INT64_MIN) {
             ic->duration = end_time - start_time;
             if (ic->file_size > 0) {
                 /* compute the bit rate */