From b08e688828c9724952a498377e906c70e82394aa Mon Sep 17 00:00:00 2001
From: xufulong <839789740@qq.com>
Date: Tue, 12 May 2020 00:03:15 +0800
Subject: [PATCH] use jmp_buf to handle exception

use jmp_buf to handle exception
---
 app/src/main/cpp/ffmpeg/cmdutils.c |  8 ++++++++
 app/src/main/cpp/ffmpeg/ffmpeg.c   | 13 ++++++++++++-
 2 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/app/src/main/cpp/ffmpeg/cmdutils.c b/app/src/main/cpp/ffmpeg/cmdutils.c
index df11e74..9d31bbe 100644
--- a/app/src/main/cpp/ffmpeg/cmdutils.c
+++ b/app/src/main/cpp/ffmpeg/cmdutils.c
@@ -58,6 +58,10 @@
 #include <sys/resource.h>
 #endif
 
+#include <setjmp.h>
+
+extern jmp_buf jump_buf;
+
 static int init_report(const char *env);
 
 AVDictionary *sws_dict;
@@ -112,6 +116,10 @@ void register_exit(void (*cb)(int ret))
 
 int exit_program(int ret)
 {
+    if (program_exit)
+        program_exit(ret);
+
+    longjmp(jump_buf, 1);
     return ret;
 }
 
diff --git a/app/src/main/cpp/ffmpeg/ffmpeg.c b/app/src/main/cpp/ffmpeg/ffmpeg.c
index 3b25a62..dc25d4c 100644
--- a/app/src/main/cpp/ffmpeg/ffmpeg.c
+++ b/app/src/main/cpp/ffmpeg/ffmpeg.c
@@ -104,6 +104,9 @@
 #include "cmdutils.h"
 
 #include "libavutil/avassert.h"
+#include <setjmp.h>
+
+jmp_buf jump_buf;
 
 const char program_name[] = "ffmpeg";
 const int program_birth_year = 2000;
@@ -4276,6 +4279,7 @@ int run(int argc, char **argv)
 {
     int ret;
     int64_t ti;
+    main_return_code = 0;
 
     register_exit(ffmpeg_cleanup);
 
@@ -4284,6 +4288,11 @@ int run(int argc, char **argv)
     av_log_set_flags(AV_LOG_SKIP_REPEATED);
     parse_loglevel(argc, argv, options);
 
+    if (setjmp(jump_buf)) {
+        main_return_code = 1;
+        goto end;
+    }
+
     if(argc>1 && !strcmp(argv[1], "-d")){
         run_as_daemon=1;
         av_log_set_callback(log_callback_null);
@@ -4332,7 +4341,9 @@ int run(int argc, char **argv)
     if ((decode_error_stat[0] + decode_error_stat[1]) * max_error_rate < decode_error_stat[1])
         exit_program(69);
 
-    exit_program(received_nb_signals ? 255 : main_return_code);
+//    exit_program(received_nb_signals ? 255 : main_return_code);
+end:
+    av_log(NULL, AV_LOG_ERROR, "FFmpeg result=%d\n", main_return_code);
     ffmpeg_cleanup(0);
     return main_return_code;
 }