For #1592, support ff_log_level and default to warning

trunk/conf/full.conf

@@ -19,11 +19,16 @@ pid                 ./objs/srs.pid;
 # performance about 10%.
 # default: 60000
 chunk_size          60000;
-# the logs dir.
+# the log dir for FFMPEG.
 # if enabled ffmpeg, each transcoding stream will create a log file.
 # /dev/null to disable the log.
 # default: ./objs
 ff_log_dir          ./objs;
+# the log level for FFMPEG.
+#       info warning error fatal panic quiet
+#       trace debug verbose
+# default: warning
+ff_log_level        warning;
 # the log tank, console or file.
 # if console, print log to console.
 # if file, write log to file. requires srs_log_file if log to file.

trunk/src/app/srs_app_config.cpp

@@ -3487,6 +3487,7 @@ srs_error_t SrsConfig::check_normal_config()
             && n != "http_api" && n != "stats" && n != "vhost" && n != "pithy_print_ms"
             && n != "http_server" && n != "stream_caster"
             && n != "utc_time" && n != "work_dir" && n != "asprocess"
+            && n != "ff_log_level"
             ) {
             return srs_error_new(ERROR_SYSTEM_CONFIG_INVALID, "illegal directive %s", n.c_str());
         }
@@ -5782,6 +5783,18 @@ string SrsConfig::get_ff_log_dir()
     return conf->arg0();
 }
 
+string SrsConfig::get_ff_log_level()
+{
+    static string DEFAULT = "warning";
+
+    SrsConfDirective* conf = root->get("ff_log_level");
+    if (!conf || conf->arg0().empty()) {
+        return DEFAULT;
+    }
+
+    return conf->arg0();
+}
+
 SrsConfDirective* SrsConfig::get_dash(string vhost)
 {
     SrsConfDirective* conf = get_vhost(vhost);

trunk/src/app/srs_app_config.hpp

@@ -783,6 +783,8 @@ class SrsConfig
     // The ffmpeg log dir.
     // @remark, /dev/null to disable it.
     virtual std::string get_ff_log_dir();
+    // The ffmpeg log level.
+    virtual std::string get_ff_log_level();
 // The MPEG-DASH section.
 private:
     virtual SrsConfDirective* get_dash(std::string vhost);

trunk/src/app/srs_app_ffmpeg.cpp

@@ -82,9 +82,9 @@ SrsFFMPEG::~SrsFFMPEG()
     srs_freep(process);
 }
 
-void SrsFFMPEG::set_iparams(string iparams)
+void SrsFFMPEG::append_iparam(string iparam)
 {
-    _iparams = iparams;
+    iparams.push_back(iparam);
 }
 
 void SrsFFMPEG::set_oformat(string format)
@@ -230,8 +230,11 @@ srs_error_t SrsFFMPEG::start()
     params.push_back(ffmpeg);
 
     // input params
-    if (!_iparams.empty()) {
-        params.push_back(_iparams);
+    for (int i = 0; i < iparams.size(); i++) {
+        string iparam = iparams.at(i);
+        if (!iparam.empty()) {
+            params.push_back(iparam);
+        }
     }
 
     // build the perfile

trunk/src/app/srs_app_ffmpeg.hpp

@@ -45,7 +45,7 @@ class SrsFFMPEG
     std::string log_file;
 private:
     std::string                 ffmpeg;
-    std::string                 _iparams;
+    std::vector<std::string>    iparams;
     std::vector<std::string>    perfile;
     std::string                 iformat;
     std::string                 input;
@@ -70,7 +70,7 @@ class SrsFFMPEG
     SrsFFMPEG(std::string ffmpeg_bin);
     virtual ~SrsFFMPEG();
 public:
-    virtual void set_iparams(std::string iparams);
+    virtual void append_iparam(std::string iparam);
     virtual void set_oformat(std::string format);
     virtual std::string output();
 public:

trunk/src/app/srs_app_ingest.cpp

@@ -409,7 +409,13 @@ srs_error_t SrsIngester::initialize_ffmpeg(SrsFFMPEG* ffmpeg, SrsConfDirective*
         log_file += stream;
         log_file += ".log";
     }
-
+
+    std::string log_level = _srs_config->get_ff_log_level();
+    if (!log_level.empty()) {
+        ffmpeg->append_iparam("-loglevel");
+        ffmpeg->append_iparam(log_level);
+    }
+
     // input
     std::string input_type = _srs_config->get_ingest_input_type(ingest);
     if (input_type.empty()) {
@@ -423,7 +429,7 @@ srs_error_t SrsIngester::initialize_ffmpeg(SrsFFMPEG* ffmpeg, SrsConfDirective*
         }
 
         // for file, set re.
-        ffmpeg->set_iparams("-re");
+        ffmpeg->append_iparam("-re");
 
         if ((err = ffmpeg->initialize(input_url, output, log_file)) != srs_success) {
             return srs_error_wrap(err, "init ffmpeg");
@@ -435,7 +441,7 @@ srs_error_t SrsIngester::initialize_ffmpeg(SrsFFMPEG* ffmpeg, SrsConfDirective*
         }
 
         // for stream, no re.
-        ffmpeg->set_iparams("");
+        ffmpeg->append_iparam("");
 
         if ((err = ffmpeg->initialize(input_url, output, log_file)) != srs_success) {
             return srs_error_wrap(err, "init ffmpeg");

trunk/src/utest/srs_utest_config.cpp

@@ -888,6 +888,11 @@ VOID TEST(ConfigMainTest, CheckConf_ff_log_dir)
         MockSrsConfig conf;
         HELPER_ASSERT_FAILED(conf.parse(_MIN_OK_CONF "ff_log_dirs ./objs;"));
     }
+
+    if (true) {
+        MockSrsConfig conf;
+        HELPER_ASSERT_FAILED(conf.parse(_MIN_OK_CONF "ff_log_levels info;"));
+    }
 }
 
 VOID TEST(ConfigMainTest, CheckConf_srs_log_level)
@@ -3503,11 +3508,12 @@ VOID TEST(ConfigMainTest, CheckVhostConfig5)
 
     if (true) {
         MockSrsConfig conf;
-        HELPER_ASSERT_SUCCESS(conf.parse(_MIN_OK_CONF "srs_log_tank xxx;srs_log_level xxx2;srs_log_file xxx3;ff_log_dir xxx4;"));
+        HELPER_ASSERT_SUCCESS(conf.parse(_MIN_OK_CONF "srs_log_tank xxx;srs_log_level xxx2;srs_log_file xxx3;ff_log_dir xxx4; ff_log_level xxx5;"));
         EXPECT_TRUE(conf.get_log_tank_file());
         EXPECT_STREQ("xxx2", conf.get_log_level().c_str());
         EXPECT_STREQ("xxx3", conf.get_log_file().c_str());
         EXPECT_STREQ("xxx4", conf.get_ff_log_dir().c_str());
+        EXPECT_STREQ("xxx5", conf.get_ff_log_level().c_str());
         EXPECT_TRUE(conf.get_ff_log_enabled());
     }