ffmpeg: print more debug information, less useless information

app/codec/ffmpeg/ffmpegdecoder.cpp

@@ -99,9 +99,6 @@ bool FFmpegDecoder::Open()
     return false;
   }
 
-  // Dump format information
-  av_dump_format(fmt_ctx_, stream()->index(), filename, 0);
-
   // Get reference to correct AVStream
   avstream_ = fmt_ctx_->streams[stream()->index()];
 

app/main.cpp

@@ -40,8 +40,6 @@ extern "C" {
 #include "common/debug.h"
 
 int main(int argc, char *argv[]) {
-  av_log_set_level(AV_LOG_QUIET);
-
   signal(SIGSEGV, crash_handler);
   signal(SIGABRT, crash_handler);